[{"department":[{"_id":"17"},{"_id":"22"},{"_id":"571"}],"type":"journal_article","date_created":"2021-11-25T11:31:27Z","citation":{"short":"J. Brand-Miller, A. Buyken, Current Opinion in Lipidology (2011) 62–67.","chicago":"Brand-Miller, Jennie, and Anette Buyken. “The Glycemic Index Issue.” <i>Current Opinion in Lipidology</i>, 2011, 62–67. <a href=\"https://doi.org/10.1097/mol.0b013e32834ec705\">https://doi.org/10.1097/mol.0b013e32834ec705</a>.","apa":"Brand-Miller, J., &#38; Buyken, A. (2011). The glycemic index issue. <i>Current Opinion in Lipidology</i>, 62–67. <a href=\"https://doi.org/10.1097/mol.0b013e32834ec705\">https://doi.org/10.1097/mol.0b013e32834ec705</a>","ieee":"J. Brand-Miller and A. Buyken, “The glycemic index issue,” <i>Current Opinion in Lipidology</i>, pp. 62–67, 2011, doi: <a href=\"https://doi.org/10.1097/mol.0b013e32834ec705\">10.1097/mol.0b013e32834ec705</a>.","ama":"Brand-Miller J, Buyken A. The glycemic index issue. <i>Current Opinion in Lipidology</i>. Published online 2011:62-67. doi:<a href=\"https://doi.org/10.1097/mol.0b013e32834ec705\">10.1097/mol.0b013e32834ec705</a>","bibtex":"@article{Brand-Miller_Buyken_2011, title={The glycemic index issue}, DOI={<a href=\"https://doi.org/10.1097/mol.0b013e32834ec705\">10.1097/mol.0b013e32834ec705</a>}, journal={Current Opinion in Lipidology}, author={Brand-Miller, Jennie and Buyken, Anette}, year={2011}, pages={62–67} }","mla":"Brand-Miller, Jennie, and Anette Buyken. “The Glycemic Index Issue.” <i>Current Opinion in Lipidology</i>, 2011, pp. 62–67, doi:<a href=\"https://doi.org/10.1097/mol.0b013e32834ec705\">10.1097/mol.0b013e32834ec705</a>."},"publication":"Current Opinion in Lipidology","doi":"10.1097/mol.0b013e32834ec705","user_id":"61597","_id":"27782","language":[{"iso":"eng"}],"page":"62-67","date_updated":"2022-01-06T06:57:45Z","publication_status":"published","author":[{"last_name":"Brand-Miller","first_name":"Jennie","full_name":"Brand-Miller, Jennie"},{"id":"65985","full_name":"Buyken, Anette","first_name":"Anette","last_name":"Buyken"}],"publication_identifier":{"issn":["0957-9672"]},"title":"The glycemic index issue","status":"public","year":"2011"},{"page":"3-6","_id":"27884","language":[{"iso":"ger"}],"user_id":"49428","volume":58,"title":"Den Umgang mit Geld und Konsum lernen – Verbraucherbildung in der Schule","year":"2011","status":"public","author":[{"full_name":"Schlegel-Matthies, Kirsten","first_name":"Kirsten","last_name":"Schlegel-Matthies","id":"459"}],"date_updated":"2022-01-06T06:57:47Z","publication_status":"published","intvolume":"        58","date_created":"2021-11-25T19:30:02Z","type":"journal_article","department":[{"_id":"35"},{"_id":"22"},{"_id":"396"}],"publication":"Stimme der Familie ","issue":"3","citation":{"apa":"Schlegel-Matthies, K. (2011). Den Umgang mit Geld und Konsum lernen – Verbraucherbildung in der Schule. <i>Stimme der Familie </i>, <i>58</i>(3), 3–6.","ieee":"K. Schlegel-Matthies, “Den Umgang mit Geld und Konsum lernen – Verbraucherbildung in der Schule,” <i>Stimme der Familie </i>, vol. 58, no. 3, pp. 3–6, 2011.","chicago":"Schlegel-Matthies, Kirsten. “Den Umgang mit Geld und Konsum lernen – Verbraucherbildung in der Schule.” <i>Stimme der Familie </i> 58, no. 3 (2011): 3–6.","short":"K. Schlegel-Matthies, Stimme der Familie  58 (2011) 3–6.","mla":"Schlegel-Matthies, Kirsten. “Den Umgang mit Geld und Konsum lernen – Verbraucherbildung in der Schule.” <i>Stimme der Familie </i>, vol. 58, no. 3, 2011, pp. 3–6.","ama":"Schlegel-Matthies K. Den Umgang mit Geld und Konsum lernen – Verbraucherbildung in der Schule. <i>Stimme der Familie </i>. 2011;58(3):3-6.","bibtex":"@article{Schlegel-Matthies_2011, title={Den Umgang mit Geld und Konsum lernen – Verbraucherbildung in der Schule}, volume={58}, number={3}, journal={Stimme der Familie }, author={Schlegel-Matthies, Kirsten}, year={2011}, pages={3–6} }"}},{"date_created":"2021-11-25T19:32:22Z","type":"journal_article","department":[{"_id":"35"},{"_id":"22"},{"_id":"396"}],"publication":"Haushalt & Bildung ","issue":"4","citation":{"chicago":"Schlegel-Matthies, Kirsten. “Was ist Verbraucherbildung? – Was kann sie leisten?” <i>Haushalt &#38; Bildung </i> 88, no. 4 (2011): 3–10.","short":"K. Schlegel-Matthies, Haushalt &#38; Bildung  88 (2011) 3–10.","ama":"Schlegel-Matthies K. Was ist Verbraucherbildung? – Was kann sie leisten? <i>Haushalt &#38; Bildung </i>. 2011;88(4):3-10.","bibtex":"@article{Schlegel-Matthies_2011, title={Was ist Verbraucherbildung? – Was kann sie leisten?}, volume={88}, number={4}, journal={Haushalt &#38; Bildung }, author={Schlegel-Matthies, Kirsten}, year={2011}, pages={3–10} }","mla":"Schlegel-Matthies, Kirsten. “Was ist Verbraucherbildung? – Was kann sie leisten?” <i>Haushalt &#38; Bildung </i>, vol. 88, no. 4, 2011, pp. 3–10.","apa":"Schlegel-Matthies, K. (2011). Was ist Verbraucherbildung? – Was kann sie leisten? <i>Haushalt &#38; Bildung </i>, <i>88</i>(4), 3–10.","ieee":"K. Schlegel-Matthies, “Was ist Verbraucherbildung? – Was kann sie leisten?,” <i>Haushalt &#38; Bildung </i>, vol. 88, no. 4, pp. 3–10, 2011."},"page":"3-10","_id":"27885","language":[{"iso":"ger"}],"user_id":"49428","volume":88,"title":"Was ist Verbraucherbildung? – Was kann sie leisten?","year":"2011","status":"public","author":[{"full_name":"Schlegel-Matthies, Kirsten","last_name":"Schlegel-Matthies","first_name":"Kirsten","id":"459"}],"date_updated":"2022-01-06T06:57:47Z","publication_status":"published","intvolume":"        88"},{"abstract":[{"text":"Occlusion culling is a common approach to accelerate real-time rendering of polygonal 3D-scenes by reducing the rendering load. Especially for large scenes, it is necessary to remove occluded objects to achieve a frame rate that provides an interactive environment. In order to benefit from the culling properly, often hierarchical data structures are used. These data structures typically create a spatial subdivision of a given scene into axis-aligned bounding boxes. These boxes can be tested quickly, but they are not very precise. By using these boxes, the included objects are detected as visible, even if other objects occlude them (false-positives). To get perfect results, the models’ original geometry included in the box has to be tested, but this would require too much computational power. To overcome this problem, original objects’ approximations could be used, but typical methods for mesh simplification cannot be applied, because they do not create an outer hull for a given object. We present a model simplification algorithm, which generates simple outer hulls, consisting of only few more triangles than a box, while preserving an object’s shape better than a corresponding bounding box. This approach is then extended to a hierarchical data structure, the so-called hull tree, that can be generated for a given scene to improve the visibility tests. Next, we present an approximative rendering algorithm, which combines the features of the hull tree with the use of inner hulls for efficient occlusion detection and global state-sorting of the visible objects.\r\n","lang":"eng"}],"publication":"Proceedings of the Graphics Interface 2011 Conference, May 25-27, St. John's, Newfoundland, Canada","citation":{"apa":"Suess, T., Koch, C., Jähn, C., &#38; Fischer, M. (2011). Approximative occlusion culling using the hull tree. In S. Brooks &#38; P. Irani (Eds.), <i>Proceedings of the Graphics Interface 2011 Conference, May 25-27, St. John’s, Newfoundland, Canada</i> (pp. 79--86). Canadian Human-Computer Communications Society.","ieee":"T. Suess, C. Koch, C. Jähn, and M. Fischer, “Approximative occlusion culling using the hull tree,” in <i>Proceedings of the Graphics Interface 2011 Conference, May 25-27, St. John’s, Newfoundland, Canada</i>, 2011, pp. 79--86.","chicago":"Suess, Tim, Clemens Koch, Claudius Jähn, and Matthias Fischer. “Approximative Occlusion Culling Using the Hull Tree.” In <i>Proceedings of the Graphics Interface 2011 Conference, May 25-27, St. John’s, Newfoundland, Canada</i>, edited by Stephen Brooks and Pourang Irani, 79--86. Canadian Human-Computer Communications Society, 2011.","short":"T. Suess, C. Koch, C. Jähn, M. Fischer, in: S. Brooks, P. Irani (Eds.), Proceedings of the Graphics Interface 2011 Conference, May 25-27, St. John’s, Newfoundland, Canada, Canadian Human-Computer Communications Society, 2011, pp. 79--86.","mla":"Suess, Tim, et al. “Approximative Occlusion Culling Using the Hull Tree.” <i>Proceedings of the Graphics Interface 2011 Conference, May 25-27, St. John’s, Newfoundland, Canada</i>, edited by Stephen Brooks and Pourang Irani, Canadian Human-Computer Communications Society, 2011, pp. 79--86.","ama":"Suess T, Koch C, Jähn C, Fischer M. Approximative occlusion culling using the hull tree. In: Brooks S, Irani P, eds. <i>Proceedings of the Graphics Interface 2011 Conference, May 25-27, St. John’s, Newfoundland, Canada</i>. Canadian Human-Computer Communications Society; 2011:79--86.","bibtex":"@inproceedings{Suess_Koch_Jähn_Fischer_2011, title={Approximative occlusion culling using the hull tree}, booktitle={Proceedings of the Graphics Interface 2011 Conference, May 25-27, St. John’s, Newfoundland, Canada}, publisher={Canadian Human-Computer Communications Society}, author={Suess, Tim and Koch, Clemens and Jähn, Claudius and Fischer, Matthias}, editor={Brooks, Stephen and Irani, Pourang}, year={2011}, pages={79--86} }"},"type":"conference","department":[{"_id":"63"}],"date_created":"2020-07-27T19:17:03Z","date_updated":"2022-01-06T06:53:11Z","status":"public","title":"Approximative occlusion culling using the hull tree","year":"2011","author":[{"full_name":"Suess, Tim","first_name":"Tim","last_name":"Suess"},{"full_name":"Koch, Clemens","last_name":"Koch","first_name":"Clemens"},{"full_name":"Jähn, Claudius","first_name":"Claudius","last_name":"Jähn"},{"full_name":"Fischer, Matthias","last_name":"Fischer","first_name":"Matthias","id":"146"}],"user_id":"15415","editor":[{"last_name":"Brooks","first_name":"Stephen","full_name":"Brooks, Stephen"},{"full_name":"Irani, Pourang","first_name":"Pourang","last_name":"Irani"}],"page":"79--86","_id":"17420","language":[{"iso":"eng"}],"publisher":"Canadian Human-Computer Communications Society"},{"page":"205 - 206","publisher":"Erich Schmidt Verlag, 2009","_id":"17894","language":[{"iso":"ger"}],"user_id":"21240","title":"Anglistische Korpuslinguistik. Eine  \tEinführung. Grundlagen der Anglistik und Amerikanistik 33","status":"public","year":"2011","author":[{"full_name":"Mindt, Ilka","last_name":"Mindt","first_name":"Ilka","id":"32079"},{"full_name":"Mukherjee, Joybrato","last_name":"Mukherjee","first_name":"Joybrato"}],"date_updated":"2022-01-06T06:53:22Z","date_created":"2020-08-13T06:40:42Z","place":"Berlin","type":"book_chapter","department":[{"_id":"384"}],"publication":"Anglistik. International Journal of English Studies, 22, 1","citation":{"ieee":"I. Mindt and J. Mukherjee, “Anglistische Korpuslinguistik. Eine  \tEinführung. Grundlagen der Anglistik und Amerikanistik 33,” in <i>Anglistik. International Journal of English Studies, 22, 1</i>, Berlin: Erich Schmidt Verlag, 2009, 2011, pp. 205–206.","apa":"Mindt, I., &#38; Mukherjee, J. (2011). Anglistische Korpuslinguistik. Eine  \tEinführung. Grundlagen der Anglistik und Amerikanistik 33. In <i>Anglistik. International Journal of English Studies, 22, 1</i> (pp. 205–206). Berlin: Erich Schmidt Verlag, 2009.","chicago":"Mindt, Ilka, and Joybrato Mukherjee. “Anglistische Korpuslinguistik. Eine  \tEinführung. Grundlagen der Anglistik und Amerikanistik 33.” In <i>Anglistik. International Journal of English Studies, 22, 1</i>, 205–6. Berlin: Erich Schmidt Verlag, 2009, 2011.","short":"I. Mindt, J. Mukherjee, in: Anglistik. International Journal of English Studies, 22, 1, Erich Schmidt Verlag, 2009, Berlin, 2011, pp. 205–206.","mla":"Mindt, Ilka, and Joybrato Mukherjee. “Anglistische Korpuslinguistik. Eine  \tEinführung. Grundlagen der Anglistik und Amerikanistik 33.” <i>Anglistik. International Journal of English Studies, 22, 1</i>, Erich Schmidt Verlag, 2009, 2011, pp. 205–06.","bibtex":"@inbook{Mindt_Mukherjee_2011, place={Berlin}, title={Anglistische Korpuslinguistik. Eine  \tEinführung. Grundlagen der Anglistik und Amerikanistik 33}, booktitle={Anglistik. International Journal of English Studies, 22, 1}, publisher={Erich Schmidt Verlag, 2009}, author={Mindt, Ilka and Mukherjee, Joybrato}, year={2011}, pages={205–206} }","ama":"Mindt I, Mukherjee J. Anglistische Korpuslinguistik. Eine  \tEinführung. Grundlagen der Anglistik und Amerikanistik 33. In: <i>Anglistik. International Journal of English Studies, 22, 1</i>. Berlin: Erich Schmidt Verlag, 2009; 2011:205-206."}},{"user_id":"15415","doi":"10.1137/090772988","_id":"23739","language":[{"iso":"eng"}],"page":"1587-1622","publication_status":"published","date_updated":"2022-01-06T06:55:59Z","author":[{"full_name":"Briest, Patrick","first_name":"Patrick","last_name":"Briest"},{"last_name":"Krysta","first_name":"Piotr","full_name":"Krysta, Piotr"},{"last_name":"Vöcking","first_name":"Berthold","full_name":"Vöcking, Berthold"}],"publication_identifier":{"issn":["0097-5397","1095-7111"]},"status":"public","title":"Approximation Techniques for Utilitarian Mechanism Design","year":"2011","department":[{"_id":"63"}],"type":"journal_article","date_created":"2021-09-03T10:41:04Z","abstract":[{"lang":"eng","text":"This paper deals with the design of efficiently computable incentive-compatible mechanisms for combinatorial optimization problems with single-minded agents each possibly having multiple private parameters. We focus on approximation algorithms for NP-hard mechanism design problems. These algorithms need to satisfy certain monotonicity properties to ensure truthfulness. Since most of the known approximation techniques do not fulfill these properties, we study alternative techniques. Our first contribution is a quite general method to transform a pseudopolynomial algorithm into a monotone fully polynomial time approximation scheme (FPTAS). This can be applied to various problems like, e.g., knapsack, constrained shortest path, or job scheduling with deadlines. For example, the monotone FPTAS for the knapsack problem gives a very efficient, truthful mechanism for single-minded multiunit auctions. The best previous result for such auctions was a 2-appro-xi-ma-tion. In addition, we present a monotone PTAS for the generalized assignment problem with any constant number of private parameters per agent. The most efficient way to solve packing integer programs (PIPs) is linear programming–based randomized rounding, which also is in general not monotone. We show that primal-dual greedy algorithms achieve almost the same approximation ratios for PIPs as randomized rounding. The advantage is that these algorithms are inherently monotone. This way, we can significantly improve the approximation ratios of truthful mechanisms for various fundamental mechanism design problems like single-minded combinatorial auctions (CAs), unsplittable flow routing, and multicast routing. Our primal-dual approximation algorithms can also be used for the winner determination in CAs with general bidders specifying their bids through an oracle.\r\n"}],"citation":{"apa":"Briest, P., Krysta, P., &#38; Vöcking, B. (2011). Approximation Techniques for Utilitarian Mechanism Design. <i>SIAM Journal on Computing</i>, 1587–1622. <a href=\"https://doi.org/10.1137/090772988\">https://doi.org/10.1137/090772988</a>","ieee":"P. Briest, P. Krysta, and B. Vöcking, “Approximation Techniques for Utilitarian Mechanism Design,” <i>SIAM Journal on Computing</i>, pp. 1587–1622, 2011.","chicago":"Briest, Patrick, Piotr Krysta, and Berthold Vöcking. “Approximation Techniques for Utilitarian Mechanism Design.” <i>SIAM Journal on Computing</i>, 2011, 1587–1622. <a href=\"https://doi.org/10.1137/090772988\">https://doi.org/10.1137/090772988</a>.","short":"P. Briest, P. Krysta, B. Vöcking, SIAM Journal on Computing (2011) 1587–1622.","mla":"Briest, Patrick, et al. “Approximation Techniques for Utilitarian Mechanism Design.” <i>SIAM Journal on Computing</i>, 2011, pp. 1587–622, doi:<a href=\"https://doi.org/10.1137/090772988\">10.1137/090772988</a>.","ama":"Briest P, Krysta P, Vöcking B. Approximation Techniques for Utilitarian Mechanism Design. <i>SIAM Journal on Computing</i>. 2011:1587-1622. doi:<a href=\"https://doi.org/10.1137/090772988\">10.1137/090772988</a>","bibtex":"@article{Briest_Krysta_Vöcking_2011, title={Approximation Techniques for Utilitarian Mechanism Design}, DOI={<a href=\"https://doi.org/10.1137/090772988\">10.1137/090772988</a>}, journal={SIAM Journal on Computing}, author={Briest, Patrick and Krysta, Piotr and Vöcking, Berthold}, year={2011}, pages={1587–1622} }"},"publication":"SIAM Journal on Computing"},{"abstract":[{"lang":"eng","text":"We present a parallel rendering system for PC-Clusters to visualize large 3D scenes. One single visualization node, equipped with a high-end graphics adapter, is supported by a group of backend nodes with weak graphics performance. The objects of the scene are distributed among these backend nodes, they serve two purposes: First, they provide an out-of-core memory system for the visualization node. Second, they assist the visualization node's rendering by performing visibility calculations and only sending visible objects to the visualization node. In order to obtain fast rendering with our system, we have to distribute the objects among the backend nodes in a way that does not only guarantee an even distribution of the objects, but also an even distribution of the visibility calculations and the amount of data send to the visualization node. We identify necessary properties of the distribution and argue that a random distribution is a good candidate. Further, in order to reduce the number of objects sent to the visualization node per frame, we employ an approximate hierarchical occlusion culling in each backend node. For this, they are equipped, in addition to the objects assigned to them, with simplified versions of the other objects of the 3D scene. The visualization node is equipped with 512 MiB video memory and supported by 15 backend nodes. This system is able to render a approx. 350 million polygons (approx. 8.5 GiB) large aircraft model between 20 - 30 fps and thus allows a walkthrough in real-time."}],"file_date_updated":"2020-08-24T14:13:46Z","citation":{"ieee":"T. Suess, C. Koch, C. Jähn, M. Fischer, and F. Meyer auf der Heide, “Parallel Out-of-Core Occlusion Culling.” 2011.","mla":"Suess, Tim, et al. <i>Parallel Out-of-Core Occlusion Culling</i>. 2011.","apa":"Suess, T., Koch, C., Jähn, C., Fischer, M., &#38; Meyer auf der Heide, F. (2011). <i>Parallel Out-of-Core Occlusion Culling</i>.","bibtex":"@article{Suess_Koch_Jähn_Fischer_Meyer auf der Heide_2011, title={Parallel Out-of-Core Occlusion Culling}, author={Suess, Tim and Koch, Clemens and Jähn, Claudius and Fischer, Matthias and Meyer auf der Heide, Friedhelm}, year={2011} }","chicago":"Suess, Tim, Clemens Koch, Claudius Jähn, Matthias Fischer, and Friedhelm Meyer auf der Heide. “Parallel Out-of-Core Occlusion Culling,” 2011.","ama":"Suess T, Koch C, Jähn C, Fischer M, Meyer auf der Heide F. Parallel Out-of-Core Occlusion Culling. Published online 2011.","short":"T. Suess, C. Koch, C. Jähn, M. Fischer, F. Meyer auf der Heide, (2011)."},"type":"preprint","department":[{"_id":"63"}],"file":[{"file_id":"18195","content_type":"application/pdf","success":1,"relation":"main_file","date_updated":"2020-08-24T14:13:46Z","file_name":"pre-03-2011-5220.pdf","file_size":3091853,"access_level":"closed","date_created":"2020-08-24T14:13:46Z","creator":"koala"}],"date_created":"2020-08-24T14:14:10Z","date_updated":"2022-01-06T06:53:27Z","has_accepted_license":"1","title":"Parallel Out-of-Core Occlusion Culling","status":"public","year":"2011","author":[{"full_name":"Suess, Tim","first_name":"Tim","last_name":"Suess"},{"full_name":"Koch, Clemens","first_name":"Clemens","last_name":"Koch"},{"first_name":"Claudius","last_name":"Jähn","full_name":"Jähn, Claudius"},{"id":"146","full_name":"Fischer, Matthias","first_name":"Matthias","last_name":"Fischer"},{"id":"15523","first_name":"Friedhelm","last_name":"Meyer auf der Heide","full_name":"Meyer auf der Heide, Friedhelm"}],"ddc":["000"],"user_id":"15415","_id":"18194","language":[{"iso":"eng"}]},{"citation":{"chicago":"Adelt, Philipp, Natascha Esau, Christian Hölscher, Bernd Kleinjohann, Lisa Kleinjohann, Martin Krüger, and Detmar Zimmer. <i>Hybrid Planning for Self-Optimization in Railbound Mechatronic Systems</i>. InTech, 2011. <a href=\"https://doi.org/10.5772/15451\">https://doi.org/10.5772/15451</a>.","short":"P. Adelt, N. Esau, C. Hölscher, B. Kleinjohann, L. Kleinjohann, M. Krüger, D. Zimmer, Hybrid Planning for Self-Optimization in Railbound Mechatronic Systems, InTech, 2011.","apa":"Adelt, P., Esau, N., Hölscher, C., Kleinjohann, B., Kleinjohann, L., Krüger, M., &#38; Zimmer, D. (2011). <i>Hybrid Planning for Self-Optimization in Railbound Mechatronic Systems</i> (pp. 169–194). InTech. <a href=\"https://doi.org/10.5772/15451\">https://doi.org/10.5772/15451</a>","ieee":"P. Adelt <i>et al.</i>, <i>Hybrid Planning for Self-Optimization in Railbound Mechatronic Systems</i>. InTech, 2011, pp. 169–194.","ama":"Adelt P, Esau N, Hölscher C, et al. <i>Hybrid Planning for Self-Optimization in Railbound Mechatronic Systems</i>. InTech; 2011:169-194. doi:<a href=\"https://doi.org/10.5772/15451\">10.5772/15451</a>","bibtex":"@book{Adelt_Esau_Hölscher_Kleinjohann_Kleinjohann_Krüger_Zimmer_2011, title={Hybrid Planning for Self-Optimization in Railbound Mechatronic Systems}, DOI={<a href=\"https://doi.org/10.5772/15451\">10.5772/15451</a>}, publisher={InTech}, author={Adelt, Philipp and Esau, Natascha and Hölscher, Christian and Kleinjohann, Bernd and Kleinjohann, Lisa and Krüger, Martin and Zimmer, Detmar}, year={2011}, pages={169–194} }","mla":"Adelt, Philipp, et al. <i>Hybrid Planning for Self-Optimization in Railbound Mechatronic Systems</i>. InTech, 2011, pp. 169–94, doi:<a href=\"https://doi.org/10.5772/15451\">10.5772/15451</a>."},"type":"book","department":[{"_id":"9"},{"_id":"146"}],"date_created":"2021-06-15T11:08:42Z","date_updated":"2022-01-06T06:55:31Z","status":"public","year":"2011","title":"Hybrid Planning for Self-Optimization in Railbound Mechatronic Systems","publication_identifier":{"isbn":["978-953-307-300-2"]},"author":[{"last_name":"Adelt","first_name":"Philipp","full_name":"Adelt, Philipp"},{"full_name":"Esau, Natascha","last_name":"Esau","first_name":"Natascha"},{"first_name":"Christian","last_name":"Hölscher","full_name":"Hölscher, Christian"},{"first_name":"Bernd","last_name":"Kleinjohann","full_name":"Kleinjohann, Bernd"},{"first_name":"Lisa","last_name":"Kleinjohann","full_name":"Kleinjohann, Lisa"},{"full_name":"Krüger, Martin","last_name":"Krüger","first_name":"Martin"},{"id":"604","full_name":"Zimmer, Detmar","first_name":"Detmar","last_name":"Zimmer"}],"user_id":"38077","doi":"10.5772/15451","page":"169-194","language":[{"iso":"eng"}],"_id":"22362","publisher":"InTech"},{"title":"Parametric Model-Order Reduction in Hierarchical Multiobjective Optimization of Mechatronic Systems","status":"public","year":"2011","author":[{"last_name":"Krüger","first_name":"Martin","full_name":"Krüger, Martin"},{"full_name":"Witting, Katrin","first_name":"Katrin","last_name":"Witting"},{"last_name":"Trächtler","first_name":"Ansgar","full_name":"Trächtler, Ansgar","id":"552"},{"full_name":"Dellnitz, Michael","last_name":"Dellnitz","first_name":"Michael"}],"date_updated":"2022-01-06T06:55:47Z","_id":"23181","language":[{"iso":"eng"}],"user_id":"24876","publication":"18th IFAC World Congress","citation":{"short":"M. Krüger, K. Witting, A. Trächtler, M. Dellnitz, in: 18th IFAC World Congress, Milano, Italy, 2011.","ama":"Krüger M, Witting K, Trächtler A, Dellnitz M. Parametric Model-Order Reduction in Hierarchical Multiobjective Optimization of Mechatronic Systems. In: <i>18th IFAC World Congress</i>. Milano, Italy; 2011.","chicago":"Krüger, Martin, Katrin Witting, Ansgar Trächtler, and Michael Dellnitz. “Parametric Model-Order Reduction in Hierarchical Multiobjective Optimization of Mechatronic Systems.” In <i>18th IFAC World Congress</i>. Milano, Italy, 2011.","bibtex":"@inproceedings{Krüger_Witting_Trächtler_Dellnitz_2011, place={Milano, Italy}, title={Parametric Model-Order Reduction in Hierarchical Multiobjective Optimization of Mechatronic Systems}, booktitle={18th IFAC World Congress}, author={Krüger, Martin and Witting, Katrin and Trächtler, Ansgar and Dellnitz, Michael}, year={2011} }","mla":"Krüger, Martin, et al. “Parametric Model-Order Reduction in Hierarchical Multiobjective Optimization of Mechatronic Systems.” <i>18th IFAC World Congress</i>, 2011.","apa":"Krüger, M., Witting, K., Trächtler, A., &#38; Dellnitz, M. (2011). Parametric Model-Order Reduction in Hierarchical Multiobjective Optimization of Mechatronic Systems. In <i>18th IFAC World Congress</i>. Milano, Italy.","ieee":"M. Krüger, K. Witting, A. Trächtler, and M. Dellnitz, “Parametric Model-Order Reduction in Hierarchical Multiobjective Optimization of Mechatronic Systems,” in <i>18th IFAC World Congress</i>, 2011."},"place":"Milano, Italy","date_created":"2021-08-09T07:36:13Z","type":"conference","department":[{"_id":"153"}]},{"date_created":"2021-08-09T07:36:23Z","department":[{"_id":"153"}],"type":"book_chapter","citation":{"bibtex":"@inbook{Adelt_Esau_Hölscher_Kleinjohann_Kleinjohann_Krüger_Zimmer_2011, title={Hybrid Planning for Self-Optimization in Railbound Mechatronic Systems}, booktitle={Intelligent Mechatronics}, publisher={InTech Open Access Publisher}, author={Adelt, Philipp and Esau, Natascha and Hölscher, Christian and Kleinjohann, Bernd and Kleinjohann, Lisa and Krüger, Martin and Zimmer, Detmar}, year={2011}, pages={169–194} }","ama":"Adelt P, Esau N, Hölscher C, et al. Hybrid Planning for Self-Optimization in Railbound Mechatronic Systems. In: <i>Intelligent Mechatronics</i>. InTech Open Access Publisher; 2011:169-194.","mla":"Adelt, Philipp, et al. “Hybrid Planning for Self-Optimization in Railbound Mechatronic Systems.” <i>Intelligent Mechatronics</i>, InTech Open Access Publisher, 2011, pp. 169–94.","chicago":"Adelt, Philipp, Natascha Esau, Christian Hölscher, Bernd Kleinjohann, Lisa Kleinjohann, Martin Krüger, and Detmar Zimmer. “Hybrid Planning for Self-Optimization in Railbound Mechatronic Systems.” In <i>Intelligent Mechatronics</i>, 169–94. InTech Open Access Publisher, 2011.","short":"P. Adelt, N. Esau, C. Hölscher, B. Kleinjohann, L. Kleinjohann, M. Krüger, D. Zimmer, in: Intelligent Mechatronics, InTech Open Access Publisher, 2011, pp. 169–194.","ieee":"P. Adelt <i>et al.</i>, “Hybrid Planning for Self-Optimization in Railbound Mechatronic Systems,” in <i>Intelligent Mechatronics</i>, InTech Open Access Publisher, 2011, pp. 169–194.","apa":"Adelt, P., Esau, N., Hölscher, C., Kleinjohann, B., Kleinjohann, L., Krüger, M., &#38; Zimmer, D. (2011). Hybrid Planning for Self-Optimization in Railbound Mechatronic Systems. In <i>Intelligent Mechatronics</i> (pp. 169–194). InTech Open Access Publisher."},"publication":"Intelligent Mechatronics","_id":"23189","language":[{"iso":"eng"}],"publisher":"InTech Open Access Publisher","page":"169 - 194","user_id":"24876","author":[{"full_name":"Adelt, Philipp","last_name":"Adelt","first_name":"Philipp"},{"full_name":"Esau, Natascha","first_name":"Natascha","last_name":"Esau"},{"first_name":"Christian","last_name":"Hölscher","full_name":"Hölscher, Christian"},{"full_name":"Kleinjohann, Bernd","last_name":"Kleinjohann","first_name":"Bernd"},{"full_name":"Kleinjohann, Lisa","first_name":"Lisa","last_name":"Kleinjohann"},{"full_name":"Krüger, Martin","first_name":"Martin","last_name":"Krüger"},{"full_name":"Zimmer, Detmar","first_name":"Detmar","last_name":"Zimmer"}],"year":"2011","title":"Hybrid Planning for Self-Optimization in Railbound Mechatronic Systems","status":"public","date_updated":"2022-01-06T06:55:47Z"},{"page":"146--148","_id":"799","user_id":"15572","doi":"10.1109/MASS.2011.126","status":"public","year":"2011","title":"Coding Opportunities from Similar Data in Wireless Cooperation Diversity Systems","author":[{"last_name":"Volkhausen","first_name":"Tobias","full_name":"Volkhausen, Tobias"},{"last_name":"Schinköthe","first_name":"Kai","full_name":"Schinköthe, Kai"},{"id":"126","full_name":"Karl, Holger","last_name":"Karl","first_name":"Holger"}],"date_updated":"2022-01-06T07:03:48Z","date_created":"2017-11-27T10:22:26Z","type":"conference","department":[{"_id":"75"}],"publication":"IEEE 8th International Conference on Mobile Adhoc and Sensor Systems, MASS 2011, Valencia, Spain, October 17-22, 2011","citation":{"chicago":"Volkhausen, Tobias, Kai Schinköthe, and Holger Karl. “Coding Opportunities from Similar Data in Wireless Cooperation Diversity Systems.” In <i>IEEE 8th International Conference on Mobile Adhoc and Sensor Systems, MASS 2011, Valencia, Spain, October 17-22, 2011</i>, 146--148, 2011. <a href=\"https://doi.org/10.1109/MASS.2011.126\">https://doi.org/10.1109/MASS.2011.126</a>.","short":"T. Volkhausen, K. Schinköthe, H. Karl, in: IEEE 8th International Conference on Mobile Adhoc and Sensor Systems, MASS 2011, Valencia, Spain, October 17-22, 2011, 2011, pp. 146--148.","ama":"Volkhausen T, Schinköthe K, Karl H. Coding Opportunities from Similar Data in Wireless Cooperation Diversity Systems. In: <i>IEEE 8th International Conference on Mobile Adhoc and Sensor Systems, MASS 2011, Valencia, Spain, October 17-22, 2011</i>. ; 2011:146--148. doi:<a href=\"https://doi.org/10.1109/MASS.2011.126\">10.1109/MASS.2011.126</a>","bibtex":"@inproceedings{Volkhausen_Schinköthe_Karl_2011, title={Coding Opportunities from Similar Data in Wireless Cooperation Diversity Systems}, DOI={<a href=\"https://doi.org/10.1109/MASS.2011.126\">10.1109/MASS.2011.126</a>}, booktitle={IEEE 8th International Conference on Mobile Adhoc and Sensor Systems, MASS 2011, Valencia, Spain, October 17-22, 2011}, author={Volkhausen, Tobias and Schinköthe, Kai and Karl, Holger}, year={2011}, pages={146--148} }","apa":"Volkhausen, T., Schinköthe, K., &#38; Karl, H. (2011). Coding Opportunities from Similar Data in Wireless Cooperation Diversity Systems. In <i>IEEE 8th International Conference on Mobile Adhoc and Sensor Systems, MASS 2011, Valencia, Spain, October 17-22, 2011</i> (pp. 146--148). <a href=\"https://doi.org/10.1109/MASS.2011.126\">https://doi.org/10.1109/MASS.2011.126</a>","mla":"Volkhausen, Tobias, et al. “Coding Opportunities from Similar Data in Wireless Cooperation Diversity Systems.” <i>IEEE 8th International Conference on Mobile Adhoc and Sensor Systems, MASS 2011, Valencia, Spain, October 17-22, 2011</i>, 2011, pp. 146--148, doi:<a href=\"https://doi.org/10.1109/MASS.2011.126\">10.1109/MASS.2011.126</a>.","ieee":"T. Volkhausen, K. Schinköthe, and H. Karl, “Coding Opportunities from Similar Data in Wireless Cooperation Diversity Systems,” in <i>IEEE 8th International Conference on Mobile Adhoc and Sensor Systems, MASS 2011, Valencia, Spain, October 17-22, 2011</i>, 2011, pp. 146--148."},"project":[{"name":"Minitarusisierte energieautarke Komponenten mit verlässlicher drahtloser Kommunikation für die Automatisierungstechnik","_id":"20"}]},{"status":"public","page":"771-799","_id":"7354","publisher":"Springer Nature","user_id":"52534","volume":19,"citation":{"apa":"Güldali, B., Funke, H., Sauer, S., &#38; Engels, G. (2011). TORC: test plan optimization by requirements clustering. <i>Software Quality Journal</i>, <i>19</i>(4), 771–799. <a href=\"https://doi.org/10.1007/s11219-011-9149-4\">https://doi.org/10.1007/s11219-011-9149-4</a>","ieee":"B. Güldali, H. Funke, S. Sauer, and G. Engels, “TORC: test plan optimization by requirements clustering,” <i>Software Quality Journal</i>, vol. 19, no. 4, pp. 771–799, 2011.","short":"B. Güldali, H. Funke, S. Sauer, G. Engels, Software Quality Journal 19 (2011) 771–799.","chicago":"Güldali, Baris, Holger Funke, Stefan Sauer, and Gregor Engels. “TORC: Test Plan Optimization by Requirements Clustering.” <i>Software Quality Journal</i> 19, no. 4 (2011): 771–99. <a href=\"https://doi.org/10.1007/s11219-011-9149-4\">https://doi.org/10.1007/s11219-011-9149-4</a>.","mla":"Güldali, Baris, et al. “TORC: Test Plan Optimization by Requirements Clustering.” <i>Software Quality Journal</i>, vol. 19, no. 4, Springer Nature, 2011, pp. 771–99, doi:<a href=\"https://doi.org/10.1007/s11219-011-9149-4\">10.1007/s11219-011-9149-4</a>.","ama":"Güldali B, Funke H, Sauer S, Engels G. TORC: test plan optimization by requirements clustering. <i>Software Quality Journal</i>. 2011;19(4):771-799. doi:<a href=\"https://doi.org/10.1007/s11219-011-9149-4\">10.1007/s11219-011-9149-4</a>","bibtex":"@article{Güldali_Funke_Sauer_Engels_2011, title={TORC: test plan optimization by requirements clustering}, volume={19}, DOI={<a href=\"https://doi.org/10.1007/s11219-011-9149-4\">10.1007/s11219-011-9149-4</a>}, number={4}, journal={Software Quality Journal}, publisher={Springer Nature}, author={Güldali, Baris and Funke, Holger and Sauer, Stefan and Engels, Gregor}, year={2011}, pages={771–799} }"},"year":"2011","title":"TORC: test plan optimization by requirements clustering","publication_identifier":{"issn":["0963-9314","1573-1367"]},"author":[{"full_name":"Güldali, Baris","last_name":"Güldali","first_name":"Baris"},{"last_name":"Funke","first_name":"Holger","full_name":"Funke, Holger"},{"full_name":"Sauer, Stefan","last_name":"Sauer","first_name":"Stefan","id":"447"},{"id":"107","full_name":"Engels, Gregor","last_name":"Engels","first_name":"Gregor"}],"publication_status":"published","date_updated":"2022-01-06T07:03:35Z","intvolume":"        19","language":[{"iso":"eng"}],"doi":"10.1007/s11219-011-9149-4","issue":"4","publication":"Software Quality Journal","abstract":[{"lang":"eng","text":"Acceptance testing is a time-consuming task for complex software systems that have to fulfill a large number of requirements. To reduce this effort, we have developed a widely automated method for deriving test plans from requirements that are expressed in natural language. It consists of three stages: annotation, clustering, and test plan specification. The general idea is to exploit redundancies and implicit relationships in requirements specifications. Multi-viewpoint techniques based on RM-ODP (Reference Model for Open Distributed Processing) are employed for specifying the requirements. We then use linguistic analysis techniques, requirements clustering algorithms, and pattern-based requirements collection to reduce the total effort of testing against the requirements specification. In particular, we use linguistic analysis for extracting and annotating the actor, process and object of a requirements statement. During clustering, a similarity function is computed as a measure for the overlap of requirements. In the test plan specification stage, our approach provides capabilities for semi-automatically deriving test plans and acceptance criteria from the clustered informal textual requirements. Two patterns are applied to compute a suitable order of test activities. The generated test plans consist of a sequence of test steps and asserts that are executed or checked in the given order. We also present the supporting prototype tool TORC, which is available open source. For the evaluation of the approach, we have conducted a case study in the field of acceptance testing of a national electronic identification system. In summary, we report on lessons learned how linguistic analysis and clustering techniques can help testers in understanding the relations between requirements and for improving test planning."}],"date_created":"2019-01-31T13:00:53Z","type":"journal_article","department":[{"_id":"66"}]},{"language":[{"iso":"eng"}],"_id":"9765","publisher":"Trans Tech Publ","page":"1808-1812","volume":"474 - 476","user_id":"55222","doi":"10.4028/www.scientific.net/KEM.474-476.1808","author":[{"id":"210","full_name":"Hemsel, Tobias","last_name":"Hemsel","first_name":"Tobias"},{"last_name":"Fu","first_name":"Bo","full_name":"Fu, Bo"},{"full_name":"Jing, Yi","last_name":"Jing","first_name":"Yi"},{"last_name":"Fu","first_name":"Xuan","full_name":"Fu, Xuan"}],"year":"2011","title":"Multi-Objective Optimization of a Piezoelectric Sandwich Ultrasonic Transducer by Using Elitist Non-Dominated Sorting Genetic Algorithm","status":"public","date_updated":"2022-01-06T07:04:19Z","date_created":"2019-05-13T10:54:42Z","department":[{"_id":"151"}],"type":"journal_article","citation":{"short":"T. Hemsel, B. Fu, Y. Jing, X. Fu, Key Engineering Materials 474–476 (2011) 1808–1812.","chicago":"Hemsel, Tobias, Bo Fu, Yi Jing, and Xuan Fu. “Multi-Objective Optimization of a Piezoelectric Sandwich Ultrasonic Transducer by Using Elitist Non-Dominated Sorting Genetic Algorithm.” <i>Key Engineering Materials</i> 474–476 (2011): 1808–12. <a href=\"https://doi.org/10.4028/www.scientific.net/KEM.474-476.1808\">https://doi.org/10.4028/www.scientific.net/KEM.474-476.1808</a>.","ieee":"T. Hemsel, B. Fu, Y. Jing, and X. Fu, “Multi-Objective Optimization of a Piezoelectric Sandwich Ultrasonic Transducer by Using Elitist Non-Dominated Sorting Genetic Algorithm,” <i>Key Engineering Materials</i>, vol. 474–476, pp. 1808–1812, 2011.","apa":"Hemsel, T., Fu, B., Jing, Y., &#38; Fu, X. (2011). Multi-Objective Optimization of a Piezoelectric Sandwich Ultrasonic Transducer by Using Elitist Non-Dominated Sorting Genetic Algorithm. <i>Key Engineering Materials</i>, <i>474</i>–<i>476</i>, 1808–1812. <a href=\"https://doi.org/10.4028/www.scientific.net/KEM.474-476.1808\">https://doi.org/10.4028/www.scientific.net/KEM.474-476.1808</a>","bibtex":"@article{Hemsel_Fu_Jing_Fu_2011, title={Multi-Objective Optimization of a Piezoelectric Sandwich Ultrasonic Transducer by Using Elitist Non-Dominated Sorting Genetic Algorithm}, volume={474–476}, DOI={<a href=\"https://doi.org/10.4028/www.scientific.net/KEM.474-476.1808\">10.4028/www.scientific.net/KEM.474-476.1808</a>}, journal={Key Engineering Materials}, publisher={Trans Tech Publ}, author={Hemsel, Tobias and Fu, Bo and Jing, Yi and Fu, Xuan}, year={2011}, pages={1808–1812} }","ama":"Hemsel T, Fu B, Jing Y, Fu X. Multi-Objective Optimization of a Piezoelectric Sandwich Ultrasonic Transducer by Using Elitist Non-Dominated Sorting Genetic Algorithm. <i>Key Engineering Materials</i>. 2011;474-476:1808-1812. doi:<a href=\"https://doi.org/10.4028/www.scientific.net/KEM.474-476.1808\">10.4028/www.scientific.net/KEM.474-476.1808</a>","mla":"Hemsel, Tobias, et al. “Multi-Objective Optimization of a Piezoelectric Sandwich Ultrasonic Transducer by Using Elitist Non-Dominated Sorting Genetic Algorithm.” <i>Key Engineering Materials</i>, vol. 474–476, Trans Tech Publ, 2011, pp. 1808–12, doi:<a href=\"https://doi.org/10.4028/www.scientific.net/KEM.474-476.1808\">10.4028/www.scientific.net/KEM.474-476.1808</a>."},"publication":"Key Engineering Materials","abstract":[{"lang":"eng","text":"The multi-objective optimal design of a piezoelectric sandwich ultrasonic transducer is studied. The maximum vibration amplitude and the minimum electrical input power are considered as optimization objectives. Design variables involve continuous variables (dimensions of the transducer) and discrete variables (material types). Based on analytical models, the optimal design is formulated as a constrained multi-objective optimization problem. The optimization problem is then solved by using the elitist non-dominated sorting genetic algorithm (NSGA-II) and Pareto-optimal designs are obtained. The optimized results are analyzed and the preferred design is proposed. The optimization procedure presented in this contribution can be applied in multi-objective optimization problems of other piezoelectric transducers."}],"quality_controlled":"1"},{"citation":{"short":"C. Sondermann-Wölke, W. Sextro, P. Reinold, A. Trächtler, in: 25. Tagung Technische Zuverlässigkeit (TTZ 2011) - Entwicklung Und Betrieb Zuverlässiger Produkte, Leonberg, 2011, pp. 291–302.","chicago":"Sondermann-Wölke, Christoph, Walter Sextro, Peter Reinold, and Ansgar Trächtler. “Zuverlässigkeitsorientierte Mehrzieloptimierung Zur Aktorrekonfiguration Eines X-by-Wire-Fahrzeugs.” In <i>25. Tagung Technische Zuverlässigkeit (TTZ 2011) - Entwicklung Und Betrieb Zuverlässiger Produkte</i>, 291–302. Leonberg, 2011.","ieee":"C. Sondermann-Wölke, W. Sextro, P. Reinold, and A. Trächtler, “Zuverlässigkeitsorientierte Mehrzieloptimierung zur Aktorrekonfiguration eines X-by-wire-Fahrzeugs,” in <i>25. Tagung Technische Zuverlässigkeit (TTZ 2011) - Entwicklung und Betrieb zuverlässiger Produkte</i>, 2011, pp. 291–302.","apa":"Sondermann-Wölke, C., Sextro, W., Reinold, P., &#38; Trächtler, A. (2011). Zuverlässigkeitsorientierte Mehrzieloptimierung zur Aktorrekonfiguration eines X-by-wire-Fahrzeugs. In <i>25. Tagung Technische Zuverlässigkeit (TTZ 2011) - Entwicklung und Betrieb zuverlässiger Produkte</i> (pp. 291–302). Leonberg.","bibtex":"@inproceedings{Sondermann-Wölke_Sextro_Reinold_Trächtler_2011, place={Leonberg}, title={Zuverlässigkeitsorientierte Mehrzieloptimierung zur Aktorrekonfiguration eines X-by-wire-Fahrzeugs}, booktitle={25. Tagung Technische Zuverlässigkeit (TTZ 2011) - Entwicklung und Betrieb zuverlässiger Produkte}, author={Sondermann-Wölke, Christoph and Sextro, Walter and Reinold, Peter and Trächtler, Ansgar}, year={2011}, pages={291–302} }","ama":"Sondermann-Wölke C, Sextro W, Reinold P, Trächtler A. Zuverlässigkeitsorientierte Mehrzieloptimierung zur Aktorrekonfiguration eines X-by-wire-Fahrzeugs. In: <i>25. Tagung Technische Zuverlässigkeit (TTZ 2011) - Entwicklung Und Betrieb Zuverlässiger Produkte</i>. Leonberg; 2011:291-302.","mla":"Sondermann-Wölke, Christoph, et al. “Zuverlässigkeitsorientierte Mehrzieloptimierung Zur Aktorrekonfiguration Eines X-by-Wire-Fahrzeugs.” <i>25. Tagung Technische Zuverlässigkeit (TTZ 2011) - Entwicklung Und Betrieb Zuverlässiger Produkte</i>, 2011, pp. 291–302."},"publication":"25. Tagung Technische Zuverlässigkeit (TTZ 2011) - Entwicklung und Betrieb zuverlässiger Produkte","abstract":[{"lang":"eng","text":"Dieser Beitrag stellt ein Konzept vor, welches die Methode der Mehrzieloptimierung mit einer Online-Bewertung des aktuellen Systemzustands kombiniert. Dieses erlaubt Maßnahmen zur Zuverlässigkeitssteigerung abzuleiten. Das Konzept wird auf ein X-by-wire-Fahrzeug mit Einzelradaktorik angewandt. Dabei steht zunächst die Beeinflussung der Ziele der Mehrzieloptimierung zugunsten der Zuverlässigkeit des Systems im Vordergrund. In Simulationen wird gezeigt, dass über die Wahl und Gewichtung der Zielfunktionen die Quer- und Längskräfte an den Rädern vorteilhaft verteilt werden können. \r\n\r\nIn this contribution a concept is illustrated, which combines the multi-objective optimization technique with an online assessment of the current system state. This allows deriving measures to increase the reliability of the system. The concept is applied to an X-by-wire vehicle with single-wheel actuators. The emphasis is here mostly on the influence of the objectives of the multiobjective optimization for the benefit of the reliability of the system. It is demonstrated in simulations, that the lateral and longitudinal forces at the wheels can be distributed advantageously by the selection of the suitable objective functions and the appropriate weights."}],"date_created":"2019-05-13T11:04:04Z","place":"Leonberg","department":[{"_id":"151"}],"type":"conference","author":[{"full_name":"Sondermann-Wölke, Christoph","last_name":"Sondermann-Wölke","first_name":"Christoph"},{"id":"21220","first_name":"Walter","last_name":"Sextro","full_name":"Sextro, Walter"},{"last_name":"Reinold","first_name":"Peter","full_name":"Reinold, Peter"},{"full_name":"Trächtler, Ansgar","first_name":"Ansgar","last_name":"Trächtler"}],"status":"public","year":"2011","title":"Zuverlässigkeitsorientierte Mehrzieloptimierung zur Aktorrekonfiguration eines X-by-wire-Fahrzeugs","date_updated":"2022-01-06T07:04:19Z","language":[{"iso":"eng"}],"_id":"9771","page":"291-302","user_id":"55222"},{"language":[{"iso":"eng"}],"doi":"10.1016/j.wear.2010.10.025","author":[{"last_name":"Tomberger","first_name":"Christoph","full_name":"Tomberger, Christoph"},{"last_name":"Dietmaier","first_name":"Peter","full_name":"Dietmaier, Peter"},{"full_name":"Sextro, Walter","first_name":"Walter","last_name":"Sextro","id":"21220"},{"last_name":"Six","first_name":"Klaus","full_name":"Six, Klaus"}],"publication_identifier":{"issn":["0043-1648"]},"year":"2011","title":"Friction in wheel--rail contact: A model comprising interfacial fluids, surface roughness and temperature","intvolume":"       271","date_updated":"2022-01-06T07:04:19Z","date_created":"2019-05-13T11:08:32Z","department":[{"_id":"151"}],"keyword":["Wheel--rail contact","Rolling contact","Friction","Interfacial fluid","Lubrication","Surface roughness","Contact temperature"],"type":"journal_article","publication":"Wear","abstract":[{"text":"A profound description of friction in wheel--rail contact plays an essential role for optimization of traction control strategies, as input quantity for railway simulations in general and for the estimation of wear and rolling contact fatigue. A multitude of wheel--rail contact models exists, however, traction--creepage curves obtained from measurements show quantitative and qualitative deviations. There are several phenomena which influence the traction--creepage characteristics: Mechanisms resulting from surface roughness, frictional heating or the presence of interfacial fluids can have a dominating influence on friction. In this paper, a new wheel--rail contact model, accounting for these influential parameters, will be presented. The presented model accounts for the interaction of an interfacial fluid model for combined boundary and mixed lubrication of rough surfaces with a wheel--rail contact model that additionally accounts for frictional heating. A quantitative comparison with measurements found in the literature is not conducted, since the exact conditions of the measurements are mostly unknown and parameters can easily be adjusted to fit the measurements. Emphasis is placed on the qualitative behavior of the model with respect to the measurements and good agreement is found. The dependence of the maximum traction coefficient on rolling velocity, surface roughness and normal load is studied under dry and water lubricated conditions.","lang":"eng"}],"_id":"9772","page":"2 - 12","volume":271,"user_id":"55222","status":"public","citation":{"mla":"Tomberger, Christoph, et al. “Friction in Wheel--Rail Contact: A Model Comprising Interfacial Fluids, Surface Roughness and Temperature.” <i>Wear</i>, vol. 271, 2011, pp. 2–12, doi:<a href=\"https://doi.org/10.1016/j.wear.2010.10.025\">10.1016/j.wear.2010.10.025</a>.","bibtex":"@article{Tomberger_Dietmaier_Sextro_Six_2011, title={Friction in wheel--rail contact: A model comprising interfacial fluids, surface roughness and temperature}, volume={271}, DOI={<a href=\"https://doi.org/10.1016/j.wear.2010.10.025\">10.1016/j.wear.2010.10.025</a>}, journal={Wear}, author={Tomberger, Christoph and Dietmaier, Peter and Sextro, Walter and Six, Klaus}, year={2011}, pages={2–12} }","ama":"Tomberger C, Dietmaier P, Sextro W, Six K. Friction in wheel--rail contact: A model comprising interfacial fluids, surface roughness and temperature. <i>Wear</i>. 2011;271:2-12. doi:<a href=\"https://doi.org/10.1016/j.wear.2010.10.025\">10.1016/j.wear.2010.10.025</a>","ieee":"C. Tomberger, P. Dietmaier, W. Sextro, and K. Six, “Friction in wheel--rail contact: A model comprising interfacial fluids, surface roughness and temperature,” <i>Wear</i>, vol. 271, pp. 2–12, 2011.","apa":"Tomberger, C., Dietmaier, P., Sextro, W., &#38; Six, K. (2011). Friction in wheel--rail contact: A model comprising interfacial fluids, surface roughness and temperature. <i>Wear</i>, <i>271</i>, 2–12. <a href=\"https://doi.org/10.1016/j.wear.2010.10.025\">https://doi.org/10.1016/j.wear.2010.10.025</a>","chicago":"Tomberger, Christoph, Peter Dietmaier, Walter Sextro, and Klaus Six. “Friction in Wheel--Rail Contact: A Model Comprising Interfacial Fluids, Surface Roughness and Temperature.” <i>Wear</i> 271 (2011): 2–12. <a href=\"https://doi.org/10.1016/j.wear.2010.10.025\">https://doi.org/10.1016/j.wear.2010.10.025</a>.","short":"C. Tomberger, P. Dietmaier, W. Sextro, K. Six, Wear 271 (2011) 2–12."},"quality_controlled":"1"},{"doi":"10.3182/20110828-6-it-1002.02487","user_id":"15701","page":"12611-12619","language":[{"iso":"eng"}],"_id":"16629","date_updated":"2022-01-06T06:52:53Z","publication_status":"published","year":"2011","status":"public","title":"Parametric Model-Order Reduction in Hierarchical Multiobjective Optimization of Mechatronic Systems*","publication_identifier":{"issn":["1474-6670"]},"author":[{"first_name":"Martin","last_name":"Krüger","full_name":"Krüger, Martin"},{"full_name":"Witting, Katrin","last_name":"Witting","first_name":"Katrin"},{"first_name":"Ansgar","last_name":"Trächtler","full_name":"Trächtler, Ansgar"},{"first_name":"Michael","last_name":"Dellnitz","full_name":"Dellnitz, Michael"}],"type":"journal_article","department":[{"_id":"101"}],"date_created":"2020-04-16T08:25:21Z","publication":"IFAC Proceedings Volumes","citation":{"bibtex":"@article{Krüger_Witting_Trächtler_Dellnitz_2011, title={Parametric Model-Order Reduction in Hierarchical Multiobjective Optimization of Mechatronic Systems*}, DOI={<a href=\"https://doi.org/10.3182/20110828-6-it-1002.02487\">10.3182/20110828-6-it-1002.02487</a>}, journal={IFAC Proceedings Volumes}, author={Krüger, Martin and Witting, Katrin and Trächtler, Ansgar and Dellnitz, Michael}, year={2011}, pages={12611–12619} }","chicago":"Krüger, Martin, Katrin Witting, Ansgar Trächtler, and Michael Dellnitz. “Parametric Model-Order Reduction in Hierarchical Multiobjective Optimization of Mechatronic Systems*.” <i>IFAC Proceedings Volumes</i>, 2011, 12611–19. <a href=\"https://doi.org/10.3182/20110828-6-it-1002.02487\">https://doi.org/10.3182/20110828-6-it-1002.02487</a>.","short":"M. Krüger, K. Witting, A. Trächtler, M. Dellnitz, IFAC Proceedings Volumes (2011) 12611–12619.","ama":"Krüger M, Witting K, Trächtler A, Dellnitz M. Parametric Model-Order Reduction in Hierarchical Multiobjective Optimization of Mechatronic Systems*. <i>IFAC Proceedings Volumes</i>. 2011:12611-12619. doi:<a href=\"https://doi.org/10.3182/20110828-6-it-1002.02487\">10.3182/20110828-6-it-1002.02487</a>","ieee":"M. Krüger, K. Witting, A. Trächtler, and M. Dellnitz, “Parametric Model-Order Reduction in Hierarchical Multiobjective Optimization of Mechatronic Systems*,” <i>IFAC Proceedings Volumes</i>, pp. 12611–12619, 2011.","apa":"Krüger, M., Witting, K., Trächtler, A., &#38; Dellnitz, M. (2011). Parametric Model-Order Reduction in Hierarchical Multiobjective Optimization of Mechatronic Systems*. <i>IFAC Proceedings Volumes</i>, 12611–12619. <a href=\"https://doi.org/10.3182/20110828-6-it-1002.02487\">https://doi.org/10.3182/20110828-6-it-1002.02487</a>","mla":"Krüger, Martin, et al. “Parametric Model-Order Reduction in Hierarchical Multiobjective Optimization of Mechatronic Systems*.” <i>IFAC Proceedings Volumes</i>, 2011, pp. 12611–19, doi:<a href=\"https://doi.org/10.3182/20110828-6-it-1002.02487\">10.3182/20110828-6-it-1002.02487</a>."}},{"date_updated":"2022-01-06T06:51:49Z","author":[{"full_name":"Rautenberg, Jens","first_name":"Jens","last_name":"Rautenberg"},{"full_name":"Rupitsch, Stefan J.","first_name":"Stefan J.","last_name":"Rupitsch"},{"id":"213","full_name":"Henning, Bernd","last_name":"Henning","first_name":"Bernd"},{"last_name":"Lerch","first_name":"Reinhard","full_name":"Lerch, Reinhard"}],"year":"2011","status":"public","title":"Utilizing an Analytical Approximation for c44E to Enhance the Inverse Method for Material Parameter Identification of Piezoceramics","user_id":"15911","_id":"14016","language":[{"iso":"eng"}],"abstract":[{"text":"There has been a lot of progress in finding measurable quantities of high in- formation content for the inverse determination of piezoelectric material properties. Since some material parameters (mainly \\textgreek{e}S 11, e15and cE 44) do not or only marginally influence the electrical impedance over frequency, it is not sufficient to look only at the electri- cal impedance of discoidal piezoceramics [1]. Moreover, the parameter sensitivities vary with respect to the diameter--thickness ratio of the disc and the design of an ultrasonic transducer's piezoceramic has to match other requirements than those of a good material characterization [2, 3]. That is why it is still desirable to find model based approaches for parameter identification that either keep the technical effort low (e.g., only an impedance measurement) or increase speed of the inversion procedure. In this contribution we answer the question if an additional analytical approximation of cE 44, strictly following the ideas of Theocaris [4], in conjunction with a single measured elec- trical impedance will be sufficient for an accurate simulation of both, electrical impedance and surface normal velocity of a piezoceramic disc. Thereby, the remaining parameters are identified by means of the Inverse Method. Furthermore, we use the parameter ap- proximation as an initial guess and limiting boundary to speed up the inverse algorithm if both, electrical impedance and surface normal velocity are taken into account within the optimization procedure.","lang":"eng"}],"citation":{"apa":"Rautenberg, J., Rupitsch, S. J., Henning, B., &#38; Lerch, R. (2011). Utilizing an Analytical Approximation for c44E to Enhance the Inverse Method for Material Parameter Identification of Piezoceramics. In <i>7th International Workshop on Direct and Inverse Problems in Piezoelectricity</i>.","ieee":"J. Rautenberg, S. J. Rupitsch, B. Henning, and R. Lerch, “Utilizing an Analytical Approximation for c44E to Enhance the Inverse Method for Material Parameter Identification of Piezoceramics,” in <i>7th International Workshop on Direct and Inverse Problems in Piezoelectricity</i>, 2011.","short":"J. Rautenberg, S.J. Rupitsch, B. Henning, R. Lerch, in: 7th International Workshop on Direct and Inverse Problems in Piezoelectricity, 2011.","chicago":"Rautenberg, Jens, Stefan J. Rupitsch, Bernd Henning, and Reinhard Lerch. “Utilizing an Analytical Approximation for C44E to Enhance the Inverse Method for Material Parameter Identification of Piezoceramics.” In <i>7th International Workshop on Direct and Inverse Problems in Piezoelectricity</i>, 2011.","mla":"Rautenberg, Jens, et al. “Utilizing an Analytical Approximation for C44E to Enhance the Inverse Method for Material Parameter Identification of Piezoceramics.” <i>7th International Workshop on Direct and Inverse Problems in Piezoelectricity</i>, 2011.","ama":"Rautenberg J, Rupitsch SJ, Henning B, Lerch R. Utilizing an Analytical Approximation for c44E to Enhance the Inverse Method for Material Parameter Identification of Piezoceramics. In: <i>7th International Workshop on Direct and Inverse Problems in Piezoelectricity</i>. ; 2011.","bibtex":"@inproceedings{Rautenberg_Rupitsch_Henning_Lerch_2011, title={Utilizing an Analytical Approximation for c44E to Enhance the Inverse Method for Material Parameter Identification of Piezoceramics}, booktitle={7th International Workshop on Direct and Inverse Problems in Piezoelectricity}, author={Rautenberg, Jens and Rupitsch, Stefan J. and Henning, Bernd and Lerch, Reinhard}, year={2011} }"},"publication":"7th International Workshop on Direct and Inverse Problems in Piezoelectricity","department":[{"_id":"49"}],"type":"conference","date_created":"2019-10-25T12:54:40Z"},{"date_updated":"2022-01-06T06:52:02Z","year":"2011","title":"Finite element simulation of single ultrasonic transducer with segmented electrodes to adjust the directional characteristic","status":"public","conference":{"end_date":"08.09.2011","location":"Gdansk, Poland","name":"International Congress on Ultrasonics (ICU 2011)","start_date":"05.09.2011"},"author":[{"first_name":"Carsten","last_name":"Unverzagt","full_name":"Unverzagt, Carsten"},{"id":"213","first_name":"Bernd","last_name":"Henning","full_name":"Henning, Bernd"}],"user_id":"15911","language":[{"iso":"eng"}],"_id":"14550","abstract":[{"text":"For many applications like level measurement and industry robotics it is of advantage if the directional characteristic of an ultrasonic transducer is changeable or adaptable for the improvement of spatial resolution. Often this goal is reached with the use of ultrasonic transducer arrays, which elements are driven with phase shifted excitation signals. One disadvantage of these solutions is the great effort for building such an array and the multi-channel sensor electronics. In this contribution the directional characteristic of a single air transducer with segmented electrodes is analyzed. Therefore a variable script based finite element model is used to discover the influence of different electrode configurations on the directional characteristic of a single piezoceramic transducer. Especially the influence on the angle of beam and the near field length are evaluated. The used variable model permits an optimization of the configuration with regards to the mentioned criteria. The findings will be used for the development of a level measurement system for bulk solids.","lang":"eng"}],"citation":{"chicago":"Unverzagt, Carsten, and Bernd Henning. “Finite Element Simulation of Single Ultrasonic Transducer with Segmented Electrodes to Adjust the Directional Characteristic,” 2011.","short":"C. Unverzagt, B. Henning, in: 2011.","ieee":"C. Unverzagt and B. Henning, “Finite element simulation of single ultrasonic transducer with segmented electrodes to adjust the directional characteristic,” presented at the International Congress on Ultrasonics (ICU 2011), Gdansk, Poland, 2011.","apa":"Unverzagt, C., &#38; Henning, B. (2011). Finite element simulation of single ultrasonic transducer with segmented electrodes to adjust the directional characteristic. Presented at the International Congress on Ultrasonics (ICU 2011), Gdansk, Poland.","bibtex":"@inproceedings{Unverzagt_Henning_2011, title={Finite element simulation of single ultrasonic transducer with segmented electrodes to adjust the directional characteristic}, author={Unverzagt, Carsten and Henning, Bernd}, year={2011} }","ama":"Unverzagt C, Henning B. Finite element simulation of single ultrasonic transducer with segmented electrodes to adjust the directional characteristic. In: ; 2011.","mla":"Unverzagt, Carsten, and Bernd Henning. <i>Finite Element Simulation of Single Ultrasonic Transducer with Segmented Electrodes to Adjust the Directional Characteristic</i>. 2011."},"keyword":["Elektrode"],"type":"conference","department":[{"_id":"49"}],"date_created":"2019-11-05T14:57:17Z"},{"status":"public","title":"Mesh refinement strategies for spacecraft trajectory optimization using discrete mechanics and optimal control","year":"2011","conference":{"location":"New Orleans, Lousiana, USA","start_date":"2011-02-13","end_date":"2011-02-17"},"author":[{"last_name":"Moore","first_name":"A.","full_name":"Moore, A."},{"id":"16494","full_name":"Ober-Blöbaum, Sina","last_name":"Ober-Blöbaum","first_name":"Sina"},{"full_name":"Marsden, J.E.","first_name":"J.E.","last_name":"Marsden"}],"date_updated":"2022-01-24T14:30:33Z","language":[{"iso":"eng"}],"_id":"29464","user_id":"15694","publication":"21st AAS/AIAA Space Flight Mechanics Meeting","citation":{"mla":"Moore, A., et al. “Mesh Refinement Strategies for Spacecraft Trajectory Optimization Using Discrete Mechanics and Optimal Control.” <i>21st AAS/AIAA Space Flight Mechanics Meeting</i>, 2011.","bibtex":"@inproceedings{Moore_Ober-Blöbaum_Marsden_2011, title={Mesh refinement strategies for spacecraft trajectory optimization using discrete mechanics and optimal control}, booktitle={21st AAS/AIAA Space Flight Mechanics Meeting}, author={Moore, A. and Ober-Blöbaum, Sina and Marsden, J.E.}, year={2011} }","ama":"Moore A, Ober-Blöbaum S, Marsden JE. Mesh refinement strategies for spacecraft trajectory optimization using discrete mechanics and optimal control. In: <i>21st AAS/AIAA Space Flight Mechanics Meeting</i>. ; 2011.","ieee":"A. Moore, S. Ober-Blöbaum, and J. E. Marsden, “Mesh refinement strategies for spacecraft trajectory optimization using discrete mechanics and optimal control,” New Orleans, Lousiana, USA, 2011.","apa":"Moore, A., Ober-Blöbaum, S., &#38; Marsden, J. E. (2011). Mesh refinement strategies for spacecraft trajectory optimization using discrete mechanics and optimal control. <i>21st AAS/AIAA Space Flight Mechanics Meeting</i>.","chicago":"Moore, A., Sina Ober-Blöbaum, and J.E. Marsden. “Mesh Refinement Strategies for Spacecraft Trajectory Optimization Using Discrete Mechanics and Optimal Control.” In <i>21st AAS/AIAA Space Flight Mechanics Meeting</i>, 2011.","short":"A. Moore, S. Ober-Blöbaum, J.E. Marsden, in: 21st AAS/AIAA Space Flight Mechanics Meeting, 2011."},"date_created":"2022-01-19T13:54:15Z","type":"conference","department":[{"_id":"636"}]},{"language":[{"iso":"eng"}],"_id":"26371","series_title":"21st International Conference on Production Research","user_id":"71124","alternative_title":["Innovation in Product and Production, 21st International Conference on Production Research"],"title":"CO²-Emmission aware pareto optimization for international transportation with time tables","status":"public","year":"2011","author":[{"last_name":"Xue","first_name":"Yudong","full_name":"Xue, Yudong"},{"full_name":" Irohara, Takashi","first_name":"Takashi","last_name":" Irohara"},{"full_name":"Kl{\\\"o}pper,  Benjamin","last_name":"Kl{\\\"o}pper","first_name":" Benjamin"},{"first_name":"Jan-Patrick","last_name":"Pater","full_name":"Pater, Jan-Patrick"}],"conference":{"start_date":"2011-07-31","end_date":"2011-08-04"},"publication_status":"published","date_updated":"2022-01-25T18:14:18Z","date_created":"2021-10-16T16:42:09Z","type":"conference","department":[{"_id":"671"}],"citation":{"apa":"Xue, Y.,  Irohara, T., Kl{\\\"o}pper,  Benjamin, &#38; Pater, J.-P. (2011). <i>CO<sup>2</sup>-Emmission aware pareto optimization for international transportation with time tables</i>.","mla":"Xue, Yudong, et al. <i>CO<sup>2</sup>-Emmission Aware Pareto Optimization for International Transportation with Time Tables</i>. 2011.","ieee":"Y. Xue, T.  Irohara,  Benjamin Kl{\\\"o}pper, and J.-P. Pater, “CO<sup>2</sup>-Emmission aware pareto optimization for international transportation with time tables.” 2011.","chicago":"Xue, Yudong, Takashi  Irohara,  Benjamin Kl{\\\"o}pper, and Jan-Patrick Pater. “CO<sup>2</sup>-Emmission Aware Pareto Optimization for International Transportation with Time Tables.” 21st International Conference on Production Research, 2011.","ama":"Xue Y,  Irohara T, Kl{\\\"o}pper  Benjamin, Pater J-P. CO<sup>2</sup>-Emmission aware pareto optimization for international transportation with time tables. Published online 2011.","short":"Y. Xue, T.  Irohara,  Benjamin Kl{\\\"o}pper, J.-P. Pater, (2011).","bibtex":"@article{Xue_ Irohara_Kl{\\\"o}pper_Pater_2011, series={21st International Conference on Production Research}, title={CO<sup>2</sup>-Emmission aware pareto optimization for international transportation with time tables}, author={Xue, Yudong and  Irohara, Takashi and Kl{\\\"o}pper,  Benjamin and Pater, Jan-Patrick}, year={2011}, collection={21st International Conference on Production Research} }"}}]