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Ergebnisse aus dem Forschungs- und Entwicklungsprojekt InLab</i> (pp. 7–20). Paderborn.","bibtex":"@inbook{Beutner_Kremer_Zoyke_2012, place={Paderborn}, title={Vorstellung des Modellprojekts InLab}, booktitle={Individuelle Förderung und berufliche Orientierung im berufsschulischen Übergangssystem. Ergebnisse aus dem Forschungs- und Entwicklungsprojekt InLab}, author={Beutner, Marc and Kremer, H.-Hugo and Zoyke, A}, editor={Kremer, H.-H and Beutner, M and Zoyke, AEditors}, year={2012}, pages={7–20} }","ama":"Beutner M, Kremer H-H, Zoyke A. Vorstellung des Modellprojekts InLab. In: Kremer H-H, Beutner M, Zoyke A, eds. <i>Individuelle Förderung und berufliche Orientierung im berufsschulischen Übergangssystem. Ergebnisse aus dem Forschungs- und Entwicklungsprojekt InLab</i>. Paderborn; 2012:7-20.","mla":"Beutner, Marc, et al. “Vorstellung des Modellprojekts InLab.” <i>Individuelle Förderung und berufliche Orientierung im berufsschulischen Übergangssystem. 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Ergebnisse aus dem Forschungs- und Entwicklungsprojekt InLab","editor":[{"last_name":"Kremer","first_name":"H.-H","full_name":"Kremer, H.-H"},{"full_name":"Beutner, M","first_name":"M","last_name":"Beutner"},{"full_name":"Zoyke, A","first_name":"A","last_name":"Zoyke"}],"user_id":"66030","language":[{"iso":"ger"}],"_id":"9587","page":"7 - 20","date_updated":"2022-01-06T07:04:16Z","author":[{"last_name":"Beutner","first_name":"Marc","full_name":"Beutner, Marc","id":"21118"},{"first_name":"H.-Hugo","last_name":"Kremer","full_name":"Kremer, H.-Hugo","id":"15280"},{"full_name":"Zoyke, A","first_name":"A","last_name":"Zoyke"}],"status":"public","title":"Vorstellung des Modellprojekts InLab","year":"2012"},{"date_updated":"2022-01-06T07:04:16Z","author":[{"last_name":"Beutner","first_name":"Marc","full_name":"Beutner, Marc","id":"21118"},{"full_name":"Frehe, Petra","first_name":"Petra","last_name":"Frehe","id":"5994"},{"first_name":"M","last_name":"Gebbe","full_name":"Gebbe, M"},{"last_name":"Gockel","first_name":"C","full_name":"Gockel, C"},{"id":"15280","first_name":"H.-Hugo","last_name":"Kremer","full_name":"Kremer, H.-Hugo"},{"full_name":"Zoyke, A","first_name":"A","last_name":"Zoyke"}],"status":"public","year":"2012","title":"Vorstellung von vier Instrumenten zur Individuellen Förderung","editor":[{"last_name":"Kremer","first_name":"H.-H","full_name":"Kremer, H.-H"},{"last_name":"Beutner","first_name":"M","full_name":"Beutner, M"},{"full_name":"Zoyke, A","last_name":"Zoyke","first_name":"A"}],"user_id":"66030","_id":"9588","language":[{"iso":"ger"}],"page":"109 - 149","citation":{"apa":"Beutner, M., Frehe, P., Gebbe, M., Gockel, C., Kremer, H.-H., &#38; Zoyke, A. (2012). Vorstellung von vier Instrumenten zur Individuellen Förderung. In H.-H. Kremer, M. Beutner, &#38; A. Zoyke (Eds.), <i>Individuelle Förderung und berufliche Orientierung im berufsschulischen Übergangssystem. Ergebnisse aus dem Forschungs- und Entwicklungsprojekt InLab</i> (pp. 109–149). Paderborn.","ieee":"M. Beutner, P. Frehe, M. Gebbe, C. Gockel, H.-H. Kremer, and A. Zoyke, “Vorstellung von vier Instrumenten zur Individuellen Förderung,” in <i>Individuelle Förderung und berufliche Orientierung im berufsschulischen Übergangssystem. Ergebnisse aus dem Forschungs- und Entwicklungsprojekt InLab</i>, H.-H. Kremer, M. Beutner, and A. Zoyke, Eds. Paderborn, 2012, pp. 109–149.","chicago":"Beutner, Marc, Petra Frehe, M Gebbe, C Gockel, H.-Hugo Kremer, and A Zoyke. “Vorstellung von vier Instrumenten zur Individuellen Förderung.” In <i>Individuelle Förderung und berufliche Orientierung im berufsschulischen Übergangssystem. Ergebnisse aus dem Forschungs- und Entwicklungsprojekt InLab</i>, edited by H.-H Kremer, M Beutner, and A Zoyke, 109–49. Paderborn, 2012.","short":"M. Beutner, P. Frehe, M. Gebbe, C. Gockel, H.-H. Kremer, A. Zoyke, in: H.-H. Kremer, M. Beutner, A. Zoyke (Eds.), Individuelle Förderung und berufliche Orientierung im berufsschulischen Übergangssystem. Ergebnisse aus dem Forschungs- und Entwicklungsprojekt InLab, Paderborn, 2012, pp. 109–149.","mla":"Beutner, Marc, et al. “Vorstellung von vier Instrumenten zur Individuellen Förderung.” <i>Individuelle Förderung und berufliche Orientierung im berufsschulischen Übergangssystem. Ergebnisse aus dem Forschungs- und Entwicklungsprojekt InLab</i>, edited by H.-H Kremer et al., 2012, pp. 109–49.","ama":"Beutner M, Frehe P, Gebbe M, Gockel C, Kremer H-H, Zoyke A. Vorstellung von vier Instrumenten zur Individuellen Förderung. In: Kremer H-H, Beutner M, Zoyke A, eds. <i>Individuelle Förderung und berufliche Orientierung im berufsschulischen Übergangssystem. Ergebnisse aus dem Forschungs- und Entwicklungsprojekt InLab</i>. Paderborn; 2012:109-149.","bibtex":"@inbook{Beutner_Frehe_Gebbe_Gockel_Kremer_Zoyke_2012, place={Paderborn}, title={Vorstellung von vier Instrumenten zur Individuellen Förderung}, booktitle={Individuelle Förderung und berufliche Orientierung im berufsschulischen Übergangssystem. Ergebnisse aus dem Forschungs- und Entwicklungsprojekt InLab}, author={Beutner, Marc and Frehe, Petra and Gebbe, M and Gockel, C and Kremer, H.-Hugo and Zoyke, A}, editor={Kremer, H.-H and Beutner, M and Zoyke, AEditors}, year={2012}, pages={109–149} }"},"publication":"Individuelle Förderung und berufliche Orientierung im berufsschulischen Übergangssystem. Ergebnisse aus dem Forschungs- und Entwicklungsprojekt InLab","department":[{"_id":"211"}],"type":"book_chapter","date_created":"2019-05-02T07:44:32Z","place":"Paderborn"},{"citation":{"ama":"Strauß S. Victorian Values in Nineteenth- and Twenty-First-Century Advertising and Consumer Practices. In: <i>Anglistik &#38; Englischunterricht</i>. Victorian Structures of Feeling.","bibtex":"@inbook{Strauß, series={Victorian Structures of Feeling}, title={Victorian Values in Nineteenth- and Twenty-First-Century Advertising and Consumer Practices}, booktitle={anglistik &#38; englischunterricht}, author={Strauß, Sara}, collection={Victorian Structures of Feeling} }","mla":"Strauß, Sara. “Victorian Values in Nineteenth- and Twenty-First-Century Advertising and Consumer Practices.” <i>Anglistik &#38; Englischunterricht</i>.","chicago":"Strauß, Sara. “Victorian Values in Nineteenth- and Twenty-First-Century Advertising and Consumer Practices.” In <i>Anglistik &#38; Englischunterricht</i>. Victorian Structures of Feeling, n.d.","short":"S. Strauß, in: Anglistik &#38; Englischunterricht, n.d.","apa":"Strauß, S. (n.d.). Victorian Values in Nineteenth- and Twenty-First-Century Advertising and Consumer Practices. In <i>anglistik &#38; englischunterricht</i>.","ieee":"S. Strauß, “Victorian Values in Nineteenth- and Twenty-First-Century Advertising and Consumer Practices,” in <i>anglistik &#38; englischunterricht</i>, ."},"publication":"anglistik & englischunterricht","department":[{"_id":"36"},{"_id":"1"},{"_id":"380"}],"type":"book_chapter","date_created":"2019-05-07T12:51:55Z","date_updated":"2022-01-06T07:04:18Z","publication_status":"inpress","author":[{"first_name":"Sara","last_name":"Strauß","full_name":"Strauß, Sara","id":"3218"}],"status":"public","title":"Victorian Values in Nineteenth- and Twenty-First-Century Advertising and Consumer Practices","year":"2012","user_id":"32277","_id":"9670","language":[{"iso":"eng"}],"series_title":"Victorian Structures of Feeling"},{"place":"Bonn","date_created":"2019-05-08T07:10:30Z","type":"book_chapter","department":[{"_id":"36"},{"_id":"1"},{"_id":"380"}],"publication":"Who’s afraid of...? Facets of Fear in Anglophone Literature and Film","citation":{"ieee":"S. Strauß, “Facets of Children’s Fears in Twentieth- and Twenty-First-Century Stream-of-Consciousness Fiction,” in <i>Who’s afraid of...? Facets of Fear in Anglophone Literature and Film</i>, M. Gymnich, Ed. Bonn: V&#38;R Unipress Bonn, 2012, pp. 141–156.","apa":"Strauß, S. (2012). Facets of Children’s Fears in Twentieth- and Twenty-First-Century Stream-of-Consciousness Fiction. In M. Gymnich (Ed.), <i>Who’s afraid of...? Facets of Fear in Anglophone Literature and Film</i> (pp. 141–156). Bonn: V&#38;R Unipress Bonn.","short":"S. Strauß, in: M. Gymnich (Ed.), Who’s Afraid of...? Facets of Fear in Anglophone Literature and Film, V&#38;R Unipress Bonn, Bonn, 2012, pp. 141–156.","chicago":"Strauß, Sara. “Facets of Children’s Fears in Twentieth- and Twenty-First-Century Stream-of-Consciousness Fiction.” In <i>Who’s Afraid of...? Facets of Fear in Anglophone Literature and Film</i>, edited by Marion Gymnich, 141–56. Bonn: V&#38;R Unipress Bonn, 2012.","mla":"Strauß, Sara. “Facets of Children’s Fears in Twentieth- and Twenty-First-Century Stream-of-Consciousness Fiction.” <i>Who’s Afraid of...? Facets of Fear in Anglophone Literature and Film</i>, edited by Marion Gymnich, V&#38;R Unipress Bonn, 2012, pp. 141–56.","bibtex":"@inbook{Strauß_2012, place={Bonn}, title={Facets of Children’s Fears in Twentieth- and Twenty-First-Century Stream-of-Consciousness Fiction}, booktitle={Who’s afraid of...? Facets of Fear in Anglophone Literature and Film}, publisher={V&#38;R Unipress Bonn}, author={Strauß, Sara}, editor={Gymnich, MarionEditor}, year={2012}, pages={141–156} }","ama":"Strauß S. Facets of Children’s Fears in Twentieth- and Twenty-First-Century Stream-of-Consciousness Fiction. In: Gymnich M, ed. <i>Who’s Afraid of...? Facets of Fear in Anglophone Literature and Film</i>. Bonn: V&#38;R Unipress Bonn; 2012:141-156."},"page":"141-156","_id":"9699","publisher":"V&R Unipress Bonn","language":[{"iso":"eng"}],"user_id":"32277","editor":[{"full_name":"Gymnich, Marion","last_name":"Gymnich","first_name":"Marion"}],"title":"Facets of Children’s Fears in Twentieth- and Twenty-First-Century Stream-of-Consciousness Fiction","year":"2012","status":"public","author":[{"id":"3218","last_name":"Strauß","first_name":"Sara","full_name":"Strauß, Sara"}],"date_updated":"2022-01-06T07:04:18Z","publication_status":"published"},{"place":"Göttingen","date_created":"2019-05-08T07:16:19Z","type":"book_chapter","department":[{"_id":"36"},{"_id":"1"},{"_id":"380"}],"publication":"A Hundred Years of The Secret Garden – Frances Hodgson Burnett’s Children’s Classic Revisited","citation":{"apa":"Strauß, S. (2012). Constructions of ‘Otherness’ in Frances Hodgson Burnett’s The Secret Garden. In M. Gymnich &#38; I. Lichterfeld (Eds.), <i>A Hundred Years of The Secret Garden – Frances Hodgson Burnett’s Children’s Classic Revisited</i> (pp. 77–89). Göttingen: V&#38;R Unipress Bonn.","ieee":"S. Strauß, “Constructions of ‘Otherness’ in Frances Hodgson Burnett’s The Secret Garden,” in <i>A Hundred Years of The Secret Garden – Frances Hodgson Burnett’s Children’s Classic Revisited</i>, M. Gymnich and I. Lichterfeld, Eds. Göttingen: V&#38;R Unipress Bonn, 2012, pp. 77–89.","short":"S. Strauß, in: M. Gymnich, I. Lichterfeld (Eds.), A Hundred Years of The Secret Garden – Frances Hodgson Burnett’s Children’s Classic Revisited, V&#38;R Unipress Bonn, Göttingen, 2012, pp. 77–89.","chicago":"Strauß, Sara. “Constructions of ‘Otherness’ in Frances Hodgson Burnett’s The Secret Garden.” In <i>A Hundred Years of The Secret Garden – Frances Hodgson Burnett’s Children’s Classic Revisited</i>, edited by Marion Gymnich and Imke Lichterfeld, 77–89. Göttingen: V&#38;R Unipress Bonn, 2012.","mla":"Strauß, Sara. “Constructions of ‘Otherness’ in Frances Hodgson Burnett’s The Secret Garden.” <i>A Hundred Years of The Secret Garden – Frances Hodgson Burnett’s Children’s Classic Revisited</i>, edited by Marion Gymnich and Imke Lichterfeld, V&#38;R Unipress Bonn, 2012, pp. 77–89.","ama":"Strauß S. Constructions of ‘Otherness’ in Frances Hodgson Burnett’s The Secret Garden. In: Gymnich M, Lichterfeld I, eds. <i>A Hundred Years of The Secret Garden – Frances Hodgson Burnett’s Children’s Classic Revisited</i>. Göttingen: V&#38;R Unipress Bonn; 2012:77-89.","bibtex":"@inbook{Strauß_2012, place={Göttingen}, title={Constructions of ‘Otherness’ in Frances Hodgson Burnett’s The Secret Garden}, booktitle={A Hundred Years of The Secret Garden – Frances Hodgson Burnett’s Children’s Classic Revisited}, publisher={V&#38;R Unipress Bonn}, author={Strauß, Sara}, editor={Gymnich, Marion and Lichterfeld, ImkeEditors}, year={2012}, pages={77–89} }"},"page":"77-89","language":[{"iso":"eng"}],"_id":"9700","publisher":"V&R Unipress Bonn","user_id":"32277","editor":[{"last_name":"Gymnich","first_name":"Marion","full_name":"Gymnich, Marion"},{"full_name":"Lichterfeld, Imke","first_name":"Imke","last_name":"Lichterfeld"}],"year":"2012","title":"Constructions of ‘Otherness’ in Frances Hodgson Burnett’s The Secret Garden","status":"public","author":[{"last_name":"Strauß","first_name":"Sara","full_name":"Strauß, Sara","id":"3218"}],"date_updated":"2022-01-06T07:04:18Z","publication_status":"published"},{"citation":{"ama":"Strauß S, ed. <i>The Persistence of Modernism in Light</i>. Vol 5.; 2012:95-108.","bibtex":"@book{Strauß_2012, title={The Persistence of Modernism in Light}, volume={5}, number={2}, journal={Critical Engagements: A Journal of Criticism and Theory: Special Section: Eva Figes}, year={2012}, pages={95–108} }","mla":"Strauß, Sara, editor. “The Persistence of Modernism in Light.” <i>Critical Engagements: A Journal of Criticism and Theory: Special Section: Eva Figes</i>, vol. 5, no. 2, 2012, pp. 95–108.","short":"S. Strauß, ed., The Persistence of Modernism in Light, 2012.","chicago":"Strauß, Sara, ed. <i>The Persistence of Modernism in Light</i>. <i>Critical Engagements: A Journal of Criticism and Theory: Special Section: Eva Figes</i>. Vol. 5, 2012.","apa":"Strauß, S. (Ed.). (2012). <i>The Persistence of Modernism in Light</i>. <i>Critical Engagements: A Journal of Criticism and Theory: Special Section: Eva Figes</i> (Vol. 5, pp. 95–108).","ieee":"S. Strauß, Ed., <i>The Persistence of Modernism in Light</i>, vol. 5, no. 2. 2012, pp. 95–108."},"issue":"2","publication":"Critical Engagements: A Journal of Criticism and Theory: Special Section: Eva Figes","department":[{"_id":"36"},{"_id":"1"},{"_id":"380"}],"type":"journal_editor","date_created":"2019-05-08T07:20:30Z","intvolume":"         5","date_updated":"2022-01-06T07:04:18Z","publication_status":"published","status":"public","title":"The Persistence of Modernism in Light","year":"2012","editor":[{"last_name":"Strauß","first_name":"Sara","full_name":"Strauß, Sara","id":"3218"}],"volume":5,"user_id":"32277","_id":"9701","language":[{"iso":"eng"}],"page":"95-108"},{"_id":"9733","language":[{"iso":"eng"}],"publisher":"Deutschlandfunk","user_id":"32277","status":"public","title":"Der Zauber Magischer Welten","year":"2012","author":[{"id":"8736","full_name":"Flotmann, Christina","last_name":"Flotmann","first_name":"Christina"}],"date_updated":"2022-01-06T07:04:19Z","date_created":"2019-05-13T07:46:48Z","type":"misc","department":[{"_id":"36"},{"_id":"1"},{"_id":"380"}],"citation":{"chicago":"Flotmann, Christina. <i>Der Zauber Magischer Welten</i>. Deutschlandfunk, 2012.","short":"C. Flotmann, Der Zauber Magischer Welten, Deutschlandfunk, 2012.","apa":"Flotmann, C. (2012). <i>Der Zauber Magischer Welten</i>. Deutschlandfunk.","ieee":"C. Flotmann, <i>Der Zauber Magischer Welten</i>. Deutschlandfunk, 2012.","ama":"Flotmann C. <i>Der Zauber Magischer Welten</i>. Deutschlandfunk; 2012.","bibtex":"@book{Flotmann_2012, title={Der Zauber Magischer Welten}, publisher={Deutschlandfunk}, author={Flotmann, Christina}, year={2012} }","mla":"Flotmann, Christina. <i>Der Zauber Magischer Welten</i>. Deutschlandfunk, 2012."},"abstract":[{"lang":"eng","text":"Interview\r\n11 Oct. 2012"}]},{"quality_controlled":"1","abstract":[{"text":"A piezoelectric energy harvester is an electromechanical device that converts ambient mechanical vibration into electric power. Most existing vibration energy harvesting devices operate effectively at a single frequency only, dictated by the design of the device. This frequency must match the frequency of the host structure vibration. However, real world structural vibrations rarely have a specific constant frequency. Therefore, piezoelectric harvesters that generate usable power across a range of exciting frequencies are required to make this technology commercially viable. Currently known harvester tuning techniques have many limitations, in particular they miss the ability to work during harvester operation and most often cannot perform a precise tuning. This paper describes the design and testing of a vibration energy harvester with tunable resonance frequency, wherein the tuning is accomplished by changing the attraction force between two permanent magnets by adjusting the distance between the magnets. This tuning technique allows the natural frequency to be manipulated before and during operation of the harvester. Furthermore the paper presents a physical description of the frequency tuning effect. The experimental results achieved with a piezoelectric bimorph fit the calculated results very well. The calculation and experimental results show that using this tuning technique the natural frequency of the harvester can be varied efficiently within a wide range: in the test setup, the natural frequency of the piezoelectric bimorph could be increased by more than 70\\%.","lang":"eng"}],"citation":{"short":"W. Al-Ashtari, M. Hunstig, T. Hemsel, W. Sextro, Smart Materials and Structures 21 (2012) 035019.","chicago":"Al-Ashtari, Waleed, Matthias Hunstig, Tobias Hemsel, and Walter Sextro. “Frequency Tuning of Piezoelectric Energy Harvesters by Magnetic Force.” <i>Smart Materials and Structures</i> 21, no. 3 (2012): 035019.","ieee":"W. Al-Ashtari, M. Hunstig, T. Hemsel, and W. Sextro, “Frequency tuning of piezoelectric energy harvesters by magnetic force,” <i>Smart Materials and Structures</i>, vol. 21, no. 3, p. 035019, 2012.","apa":"Al-Ashtari, W., Hunstig, M., Hemsel, T., &#38; Sextro, W. (2012). Frequency tuning of piezoelectric energy harvesters by magnetic force. <i>Smart Materials and Structures</i>, <i>21</i>(3), 035019.","bibtex":"@article{Al-Ashtari_Hunstig_Hemsel_Sextro_2012, title={Frequency tuning of piezoelectric energy harvesters by magnetic force}, volume={21}, number={3}, journal={Smart Materials and Structures}, author={Al-Ashtari, Waleed and Hunstig, Matthias and Hemsel, Tobias and Sextro, Walter}, year={2012}, pages={035019} }","ama":"Al-Ashtari W, Hunstig M, Hemsel T, Sextro W. Frequency tuning of piezoelectric energy harvesters by magnetic force. <i>Smart Materials and Structures</i>. 2012;21(3):035019.","mla":"Al-Ashtari, Waleed, et al. “Frequency Tuning of Piezoelectric Energy Harvesters by Magnetic Force.” <i>Smart Materials and Structures</i>, vol. 21, no. 3, 2012, p. 035019."},"issue":"3","publication":"Smart Materials and Structures","department":[{"_id":"151"}],"type":"journal_article","date_created":"2019-05-13T13:16:33Z","intvolume":"        21","date_updated":"2022-01-06T07:04:20Z","author":[{"first_name":"Waleed","last_name":"Al-Ashtari","full_name":"Al-Ashtari, Waleed"},{"full_name":"Hunstig, Matthias","last_name":"Hunstig","first_name":"Matthias"},{"id":"210","first_name":"Tobias","last_name":"Hemsel","full_name":"Hemsel, Tobias"},{"id":"21220","full_name":"Sextro, Walter","last_name":"Sextro","first_name":"Walter"}],"status":"public","year":"2012","title":"Frequency tuning of piezoelectric energy harvesters by magnetic force","volume":21,"user_id":"55222","language":[{"iso":"eng"}],"_id":"9781","page":"035019"},{"year":"2012","status":"public","title":"Analytical determination of characteristic frequencies and equivalent circuit parameters of a piezoelectric bimorph","author":[{"first_name":"Waleed","last_name":"Al-Ashtari","full_name":"Al-Ashtari, Waleed"},{"full_name":"Hunstig, Matthias","last_name":"Hunstig","first_name":"Matthias"},{"id":"210","first_name":"Tobias","last_name":"Hemsel","full_name":"Hemsel, Tobias"},{"id":"21220","full_name":"Sextro, Walter","last_name":"Sextro","first_name":"Walter"}],"date_updated":"2022-01-06T07:04:20Z","intvolume":"        23","page":"15-23","_id":"9782","language":[{"iso":"eng"}],"user_id":"55222","doi":"10.1177/1045389X11430742","volume":23,"publication":"Journal of Intelligent Material Systems and Structures","issue":"1","citation":{"ama":"Al-Ashtari W, Hunstig M, Hemsel T, Sextro W. Analytical determination of characteristic frequencies and equivalent circuit parameters of a piezoelectric bimorph. <i>Journal of Intelligent Material Systems and Structures</i>. 2012;23(1):15-23. doi:<a href=\"https://doi.org/10.1177/1045389X11430742\">10.1177/1045389X11430742</a>","bibtex":"@article{Al-Ashtari_Hunstig_Hemsel_Sextro_2012, title={Analytical determination of characteristic frequencies and equivalent circuit parameters of a piezoelectric bimorph}, volume={23}, DOI={<a href=\"https://doi.org/10.1177/1045389X11430742\">10.1177/1045389X11430742</a>}, number={1}, journal={Journal of Intelligent Material Systems and Structures}, author={Al-Ashtari, Waleed and Hunstig, Matthias and Hemsel, Tobias and Sextro, Walter}, year={2012}, pages={15–23} }","mla":"Al-Ashtari, Waleed, et al. “Analytical Determination of Characteristic Frequencies and Equivalent Circuit Parameters of a Piezoelectric Bimorph.” <i>Journal of Intelligent Material Systems and Structures</i>, vol. 23, no. 1, 2012, pp. 15–23, doi:<a href=\"https://doi.org/10.1177/1045389X11430742\">10.1177/1045389X11430742</a>.","short":"W. Al-Ashtari, M. Hunstig, T. Hemsel, W. Sextro, Journal of Intelligent Material Systems and Structures 23 (2012) 15–23.","chicago":"Al-Ashtari, Waleed, Matthias Hunstig, Tobias Hemsel, and Walter Sextro. “Analytical Determination of Characteristic Frequencies and Equivalent Circuit Parameters of a Piezoelectric Bimorph.” <i>Journal of Intelligent Material Systems and Structures</i> 23, no. 1 (2012): 15–23. <a href=\"https://doi.org/10.1177/1045389X11430742\">https://doi.org/10.1177/1045389X11430742</a>.","apa":"Al-Ashtari, W., Hunstig, M., Hemsel, T., &#38; Sextro, W. (2012). Analytical determination of characteristic frequencies and equivalent circuit parameters of a piezoelectric bimorph. <i>Journal of Intelligent Material Systems and Structures</i>, <i>23</i>(1), 15–23. <a href=\"https://doi.org/10.1177/1045389X11430742\">https://doi.org/10.1177/1045389X11430742</a>","ieee":"W. Al-Ashtari, M. Hunstig, T. Hemsel, and W. Sextro, “Analytical determination of characteristic frequencies and equivalent circuit parameters of a piezoelectric bimorph,” <i>Journal of Intelligent Material Systems and Structures</i>, vol. 23, no. 1, pp. 15–23, 2012."},"quality_controlled":"1","abstract":[{"lang":"eng","text":"Piezoelectric structures are nowadays used in many different applications. A better understanding of the influence of material properties and geometrical design on the performance of these structures helps to develop piezoelectric structures specifically designed for their application. Different equivalent circuits have been introduced in the literature to investigate the behaviour of piezoelectric transducers. The model parameters are usually determined from measurements covering the characteristic frequencies of the piezoelectric transducer. This article introduces an analytical technique for calculating the mechanical and electrical equivalent system parameters and characteristic frequencies based on material properties and geometry for a cantilever bimorph structure. The model is validated by measurements using a cantilever bimorph and fits the experimental results better than previous models. The model gives a full set of piezoelectric transducer parameters and is therefore well suited for further theoretical investigations of piezoelectric transducers for different applications. The results also show that even small manufacturing tolerances have a considerable effect on the system parameters and characteristic frequencies. This might lead to intolerable deviations, especially in dynamic applications and should be avoided by careful design and production."}],"date_created":"2019-05-13T13:17:37Z","type":"journal_article","department":[{"_id":"151"}]},{"abstract":[{"lang":"eng","text":"To optimize the ultrasound irradiation for cavitation based ultrasound applications like sonochemistry or ultrasound cleaning, the correlation between cavitation intensity and the resulting effect on the process is of interest. Furthermore, changing conditions like temperature and pressure result in varying acoustic properties of the liquid. That might necessitate an adaption of the ultrasound irradiation. To detect such changes during operation, process monitoring is desired. Labor intensive processes, that might be carried out for several hours, also require process monitoring to increase their reliability by detection of changes or malfunctions during operation. In some applications cavitation detection and monitoring can be achieved by the application of sensors in the sound field. Though the application of sensors is possible, this necessitates modifications on the system and the sensor might disturb the sound field. In other applications harsh, process conditions prohibit the application of sensors in the sound field. Therefore alternative techniques for cavitation detection and monitoring are desired. The applicability of an external microphone and a self-sensing ultrasound transducer for cavitation detection were experimentally investigated. Both methods were found to be suitable and easily applicable."}],"quality_controlled":"1","publication":"Ultrasonics Symposium (IUS), 2012 IEEE International","citation":{"chicago":"Bornmann, Peter, Tobias Hemsel, Walter Sextro, Takafumi Maeda, and Takeshi Morita. “Non-Perturbing Cavitation Detection / Monitoring in Sonochemical Reactors.” In <i>Ultrasonics Symposium (IUS), 2012 IEEE International</i>, 1141–44, 2012. <a href=\"https://doi.org/10.1109/ULTSYM.2012.0284\">https://doi.org/10.1109/ULTSYM.2012.0284</a>.","short":"P. Bornmann, T. Hemsel, W. Sextro, T. Maeda, T. Morita, in: Ultrasonics Symposium (IUS), 2012 IEEE International, 2012, pp. 1141–1144.","ama":"Bornmann P, Hemsel T, Sextro W, Maeda T, Morita T. Non-perturbing cavitation detection / monitoring in sonochemical reactors. In: <i>Ultrasonics Symposium (IUS), 2012 IEEE International</i>. ; 2012:1141-1144. doi:<a href=\"https://doi.org/10.1109/ULTSYM.2012.0284\">10.1109/ULTSYM.2012.0284</a>","bibtex":"@inproceedings{Bornmann_Hemsel_Sextro_Maeda_Morita_2012, title={Non-perturbing cavitation detection / monitoring in sonochemical reactors}, DOI={<a href=\"https://doi.org/10.1109/ULTSYM.2012.0284\">10.1109/ULTSYM.2012.0284</a>}, booktitle={Ultrasonics Symposium (IUS), 2012 IEEE International}, author={Bornmann, Peter and Hemsel, Tobias and Sextro, Walter and Maeda, Takafumi and Morita, Takeshi}, year={2012}, pages={1141–1144} }","apa":"Bornmann, P., Hemsel, T., Sextro, W., Maeda, T., &#38; Morita, T. (2012). Non-perturbing cavitation detection / monitoring in sonochemical reactors. In <i>Ultrasonics Symposium (IUS), 2012 IEEE International</i> (pp. 1141–1144). <a href=\"https://doi.org/10.1109/ULTSYM.2012.0284\">https://doi.org/10.1109/ULTSYM.2012.0284</a>","mla":"Bornmann, Peter, et al. “Non-Perturbing Cavitation Detection / Monitoring in Sonochemical Reactors.” <i>Ultrasonics Symposium (IUS), 2012 IEEE International</i>, 2012, pp. 1141–44, doi:<a href=\"https://doi.org/10.1109/ULTSYM.2012.0284\">10.1109/ULTSYM.2012.0284</a>.","ieee":"P. Bornmann, T. Hemsel, W. Sextro, T. Maeda, and T. Morita, “Non-perturbing cavitation detection / monitoring in sonochemical reactors,” in <i>Ultrasonics Symposium (IUS), 2012 IEEE International</i>, 2012, pp. 1141–1144."},"type":"conference","keyword":["cavitation","chemical reactors","microphones","process monitoring","reliability","ultrasonic applications","ultrasonic waves","acoustic properties","cavitation based ultrasound applications","cavitation intensity","change detection reliability","external microphone","malfunction detection reliability","nonperturbing cavitation detection","nonperturbing cavitation monitoring","process monitoring","self-sensing ultrasound transducer","sonochemical reactors","sonochemistry","ultrasound cleaning","ultrasound irradiation","Acoustics","Liquids","Monitoring","Sensors","Sonar equipment","Transducers","Ultrasonic imaging"],"department":[{"_id":"151"}],"date_created":"2019-05-13T13:18:49Z","date_updated":"2022-01-06T07:04:20Z","status":"public","title":"Non-perturbing cavitation detection / monitoring in sonochemical reactors","year":"2012","publication_identifier":{"issn":["1948-5719"]},"author":[{"full_name":"Bornmann, Peter","first_name":"Peter","last_name":"Bornmann"},{"last_name":"Hemsel","first_name":"Tobias","full_name":"Hemsel, Tobias","id":"210"},{"full_name":"Sextro, Walter","first_name":"Walter","last_name":"Sextro","id":"21220"},{"first_name":"Takafumi","last_name":"Maeda","full_name":"Maeda, Takafumi"},{"full_name":"Morita, Takeshi","first_name":"Takeshi","last_name":"Morita"}],"user_id":"55222","doi":"10.1109/ULTSYM.2012.0284","page":"1141-1144","language":[{"iso":"eng"}],"_id":"9783"},{"date_created":"2019-05-13T13:20:17Z","department":[{"_id":"151"}],"type":"conference","keyword":["friction","ultrasonic motors","Coulomb friction model","efficient simulation technique","friction contact","high-frequency piezoelectric inertia motor","motor characteristics prediction","numerical simulation","slip-slip mode","stick-slip mode","time-step simulation","ultrasonic inertia motor","Acceleration","Acoustics","Actuators","Computational modeling","Friction","Numerical models","Steady-state"],"citation":{"ama":"Hunstig M, Hemsel T, Sextro W. An efficient simulation technique for high-frequency piezoelectric inertia motors. In: <i>Ultrasonics Symposium (IUS), 2012 IEEE International</i>. ; 2012:277-280. doi:<a href=\"https://doi.org/10.1109/ULTSYM.2012.0068\">10.1109/ULTSYM.2012.0068</a>","bibtex":"@inproceedings{Hunstig_Hemsel_Sextro_2012, title={An efficient simulation technique for high-frequency piezoelectric inertia motors}, DOI={<a href=\"https://doi.org/10.1109/ULTSYM.2012.0068\">10.1109/ULTSYM.2012.0068</a>}, booktitle={Ultrasonics Symposium (IUS), 2012 IEEE International}, author={Hunstig, Matthias and Hemsel, Tobias and Sextro, Walter}, year={2012}, pages={277–280} }","mla":"Hunstig, Matthias, et al. “An Efficient Simulation Technique for High-Frequency Piezoelectric Inertia Motors.” <i>Ultrasonics Symposium (IUS), 2012 IEEE International</i>, 2012, pp. 277–80, doi:<a href=\"https://doi.org/10.1109/ULTSYM.2012.0068\">10.1109/ULTSYM.2012.0068</a>.","short":"M. Hunstig, T. Hemsel, W. Sextro, in: Ultrasonics Symposium (IUS), 2012 IEEE International, 2012, pp. 277–280.","chicago":"Hunstig, Matthias, Tobias Hemsel, and Walter Sextro. “An Efficient Simulation Technique for High-Frequency Piezoelectric Inertia Motors.” In <i>Ultrasonics Symposium (IUS), 2012 IEEE International</i>, 277–80, 2012. <a href=\"https://doi.org/10.1109/ULTSYM.2012.0068\">https://doi.org/10.1109/ULTSYM.2012.0068</a>.","apa":"Hunstig, M., Hemsel, T., &#38; Sextro, W. (2012). An efficient simulation technique for high-frequency piezoelectric inertia motors. In <i>Ultrasonics Symposium (IUS), 2012 IEEE International</i> (pp. 277–280). <a href=\"https://doi.org/10.1109/ULTSYM.2012.0068\">https://doi.org/10.1109/ULTSYM.2012.0068</a>","ieee":"M. Hunstig, T. Hemsel, and W. Sextro, “An efficient simulation technique for high-frequency piezoelectric inertia motors,” in <i>Ultrasonics Symposium (IUS), 2012 IEEE International</i>, 2012, pp. 277–280."},"publication":"Ultrasonics Symposium (IUS), 2012 IEEE International","quality_controlled":"1","abstract":[{"text":"Piezoelectric inertia motors use the inertia of a body to drive it by means of a friction contact in a series of small steps. These motors can operate in ``stick-slip'' or ``slip-slip'' mode, with the fundamental frequency of the driving signal ranging from several Hertz to more than 100 kHz. To predict the motor characteristics, a Coulomb friction model is sufficient in many cases, but numerical simulation requires microscopic time steps. This contribution proposes a much faster simulation technique using one evaluation per period of the excitation signal. The proposed technique produces results very close to those of timestep simulation for ultrasonics inertia motors and allows direct determination of the steady-state velocity of an inertia motor from the motion profile of the driving part. Thus it is a useful simulation technique which can be applied in both analysis and design of inertia motors, especially for parameter studies and optimisation.","lang":"eng"}],"_id":"9784","language":[{"iso":"eng"}],"page":"277-280","user_id":"55222","doi":"10.1109/ULTSYM.2012.0068","author":[{"full_name":"Hunstig, Matthias","last_name":"Hunstig","first_name":"Matthias"},{"last_name":"Hemsel","first_name":"Tobias","full_name":"Hemsel, Tobias"},{"full_name":"Sextro, Walter","first_name":"Walter","last_name":"Sextro"}],"publication_identifier":{"issn":["1948-5719"]},"year":"2012","title":"An efficient simulation technique for high-frequency piezoelectric inertia motors","status":"public","date_updated":"2022-01-06T07:04:20Z"},{"keyword":["contamination","lead compounds","piezoelectric materials","piezoelectric thin films","piezoelectric transducers","ultrasonic effects"],"type":"conference","department":[{"_id":"151"}],"date_created":"2019-05-13T13:21:56Z","abstract":[{"text":"Hydrothermal method enables to synthesize high quality piezoelectric materials. To shorten the reaction time and to get higher quality materials, we propose an ultrasonic irradiation to the solution during the hydrothermal method. We named it ultrasonic assisted hydrothermal method (UAHTM). We have synthesized lead-free piezoelectric material and PZT thin film and the effect of UAHTM have been confirmed. In this study, we tried to improve UAHTM. First, to generate powerful and stable ultrasonic irradiation at high temperature on UAHTM, we developed a new transducer using LiNbO3 single crystal. Second, to prevent contamination to the materials, A Teflon cover on the tip of transducer was attached.","lang":"eng"}],"issue":"1","publication":"AIP Conference Proceedings","doi":"10.1063/1.3703251","language":[{"iso":"eng"}],"date_updated":"2022-01-06T07:04:20Z","intvolume":"      1433","year":"2012","title":"Synthesis of piezoelectric materials by ultrasonic assisted hydrothermal method","author":[{"last_name":"Isobe","first_name":"Gaku","full_name":"Isobe, Gaku"},{"full_name":"Ageba, Ryo","last_name":"Ageba","first_name":"Ryo"},{"last_name":"Maeda","first_name":"Takafumi","full_name":"Maeda, Takafumi"},{"full_name":"Bornmann, Peter","first_name":"Peter","last_name":"Bornmann"},{"full_name":"Hemsel, Tobias","first_name":"Tobias","last_name":"Hemsel","id":"210"},{"first_name":"Takeshi","last_name":"Morita","full_name":"Morita, Takeshi"}],"quality_controlled":"1","citation":{"ieee":"G. Isobe, R. Ageba, T. Maeda, P. Bornmann, T. Hemsel, and T. Morita, “Synthesis of piezoelectric materials by ultrasonic assisted hydrothermal method,” in <i>AIP Conference Proceedings</i>, 2012, vol. 1433, no. 1, pp. 569–572.","apa":"Isobe, G., Ageba, R., Maeda, T., Bornmann, P., Hemsel, T., &#38; Morita, T. (2012). Synthesis of piezoelectric materials by ultrasonic assisted hydrothermal method. In B. B. J. Linde, J. Paczkowski, &#38; N. Ponikwicki (Eds.), <i>AIP Conference Proceedings</i> (Vol. 1433, pp. 569–572). AIP. <a href=\"https://doi.org/10.1063/1.3703251\">https://doi.org/10.1063/1.3703251</a>","chicago":"Isobe, Gaku, Ryo Ageba, Takafumi Maeda, Peter Bornmann, Tobias Hemsel, and Takeshi Morita. “Synthesis of Piezoelectric Materials by Ultrasonic Assisted Hydrothermal Method.” In <i>AIP Conference Proceedings</i>, edited by Bogumil B. J. Linde, Jacek Paczkowski, and Nikodem Ponikwicki, 1433:569–72. AIP, 2012. <a href=\"https://doi.org/10.1063/1.3703251\">https://doi.org/10.1063/1.3703251</a>.","short":"G. Isobe, R. Ageba, T. Maeda, P. Bornmann, T. Hemsel, T. Morita, in: B. B. J. Linde, J. Paczkowski, N. Ponikwicki (Eds.), AIP Conference Proceedings, AIP, 2012, pp. 569–572.","mla":"Isobe, Gaku, et al. “Synthesis of Piezoelectric Materials by Ultrasonic Assisted Hydrothermal Method.” <i>AIP Conference Proceedings</i>, edited by Bogumil B. J. Linde et al., vol. 1433, no. 1, AIP, 2012, pp. 569–72, doi:<a href=\"https://doi.org/10.1063/1.3703251\">10.1063/1.3703251</a>.","bibtex":"@inproceedings{Isobe_Ageba_Maeda_Bornmann_Hemsel_Morita_2012, title={Synthesis of piezoelectric materials by ultrasonic assisted hydrothermal method}, volume={1433}, DOI={<a href=\"https://doi.org/10.1063/1.3703251\">10.1063/1.3703251</a>}, number={1}, booktitle={AIP Conference Proceedings}, publisher={AIP}, author={Isobe, Gaku and Ageba, Ryo and Maeda, Takafumi and Bornmann, Peter and Hemsel, Tobias and Morita, Takeshi}, editor={B. J. Linde, Bogumil and Paczkowski, Jacek and Ponikwicki, NikodemEditors}, year={2012}, pages={569–572} }","ama":"Isobe G, Ageba R, Maeda T, Bornmann P, Hemsel T, Morita T. Synthesis of piezoelectric materials by ultrasonic assisted hydrothermal method. In: B. J. Linde B, Paczkowski J, Ponikwicki N, eds. <i>AIP Conference Proceedings</i>. Vol 1433. AIP; 2012:569-572. doi:<a href=\"https://doi.org/10.1063/1.3703251\">10.1063/1.3703251</a>"},"user_id":"55222","volume":1433,"editor":[{"last_name":"B. J. Linde","first_name":"Bogumil","full_name":"B. J. Linde, Bogumil"},{"full_name":"Paczkowski, Jacek","last_name":"Paczkowski","first_name":"Jacek"},{"full_name":"Ponikwicki, Nikodem","first_name":"Nikodem","last_name":"Ponikwicki"}],"page":"569-572","_id":"9785","publisher":"AIP","status":"public"},{"citation":{"short":"B. Klöpper, C. Sondermann-Wölke, C. Romaus, Journal of Robotics and Mechatronics 24 (2012) 5–15.","chicago":"Klöpper, Benjamin, Christoph Sondermann-Wölke, and Christoph Romaus. “Probabilistic Planning for Predictive Condition Monitoring and Adaptation Within the Self-Optimizing Energy Management of an Autonomous Railway Vehicle.” <i>Journal of Robotics and Mechatronics</i> 24, no. 1 (2012): 5–15.","apa":"Klöpper, B., Sondermann-Wölke, C., &#38; Romaus, C. (2012). Probabilistic Planning for Predictive Condition Monitoring and Adaptation Within the Self-Optimizing Energy Management of an Autonomous Railway Vehicle. <i>Journal of Robotics and Mechatronics</i>, <i>24</i>(1), 5–15.","ieee":"B. Klöpper, C. Sondermann-Wölke, and C. Romaus, “Probabilistic Planning for Predictive Condition Monitoring and Adaptation Within the Self-Optimizing Energy Management of an Autonomous Railway Vehicle,” <i>Journal of Robotics and Mechatronics</i>, vol. 24, no. 1, pp. 5–15, 2012.","ama":"Klöpper B, Sondermann-Wölke C, Romaus C. Probabilistic Planning for Predictive Condition Monitoring and Adaptation Within the Self-Optimizing Energy Management of an Autonomous Railway Vehicle. <i>Journal of Robotics and Mechatronics</i>. 2012;24(1):5-15.","bibtex":"@article{Klöpper_Sondermann-Wölke_Romaus_2012, title={Probabilistic Planning for Predictive Condition Monitoring and Adaptation Within the Self-Optimizing Energy Management of an Autonomous Railway Vehicle}, volume={24}, number={1}, journal={Journal of Robotics and Mechatronics}, author={Klöpper, Benjamin and Sondermann-Wölke, Christoph and Romaus, Christoph}, year={2012}, pages={5–15} }","mla":"Klöpper, Benjamin, et al. “Probabilistic Planning for Predictive Condition Monitoring and Adaptation Within the Self-Optimizing Energy Management of an Autonomous Railway Vehicle.” <i>Journal of Robotics and Mechatronics</i>, vol. 24, no. 1, 2012, pp. 5–15."},"issue":"1","publication":"Journal of Robotics and Mechatronics","quality_controlled":"1","abstract":[{"lang":"eng","text":"Self-optimizing mechatronic systems are a new class of technical systems. On the one hand, new challenges regarding dependability arise from their additional complexity and adaptivity. On the other hand, their abilities enable new concepts and methods to improve the dependability of mechatronic systems. This paper introduces a multi-level dependability concept for selfoptimizing mechatronic systems and shows how probabilistic planning can be used to improve the availability and reliability of systems in the operating phase. The general idea to improve the availability of autonomous systems by applying probabilistic planning methods to avoid energy shortages is exemplified on the example of an innovative railway vehicle."}],"date_created":"2019-05-13T13:23:45Z","department":[{"_id":"151"}],"keyword":["self-optimizing systems","dependability","probabilistic planning","energy management"],"type":"journal_article","author":[{"full_name":"Klöpper, Benjamin","last_name":"Klöpper","first_name":"Benjamin"},{"first_name":"Christoph","last_name":"Sondermann-Wölke","full_name":"Sondermann-Wölke, Christoph"},{"full_name":"Romaus, Christoph","last_name":"Romaus","first_name":"Christoph"}],"year":"2012","title":"Probabilistic Planning for Predictive Condition Monitoring and Adaptation Within the Self-Optimizing Energy Management of an Autonomous Railway Vehicle","status":"public","intvolume":"        24","date_updated":"2022-01-06T07:04:20Z","language":[{"iso":"eng"}],"_id":"9786","page":"5-15","volume":24,"user_id":"55222"}]