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Fröhleke N, Pieper R, Mundinger H, Grotstollen H. Computer aided investigation of the auxiliary resonant commutated pole converter for wide range applications such as welding power supplies. In: IECON’99. Conference Proceedings. 25th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.999). IEEE; 1999. doi:10.1109/iecon.1999.816530

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Schutte F, Beineke S, Grotstollen H. Knowledge based controller selection for electrical drives with imperfect mechanic. In: IECON ’98. Proceedings of the 24th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.980). IEEE; 1998. doi:10.1109/iecon.1998.722864

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Beinke S, Wertz H, Schutte F, Grotstollen H, Fröhleke N. Identification of nonlinear two-mass systems for self-commissioning speed control of electrical drives. In: IECON ’98. Proceedings of the 24th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.980). IEEE; 1998. doi:10.1109/iecon.1998.724071

Wallmeier P, Richter J, Fröhleke N, Grotstollen H, Langemeyer L, Margaritis B. A high efficiency single-phase power factor corrected switched mode rectifier. In: IECON ’98. Proceedings of the 24th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.980). IEEE; 1998. doi:10.1109/iecon.1998.724175

Wallmeier P, Fröhleke N, Grotstollen H. Improved analytical modeling of conductive losses in gapped high-frequency inductors. In: Conference Record of 1998 IEEE Industry Applications Conference. Thirty-Third IAS Annual Meeting (Cat. No.982). IEEE; 1998. doi:10.1109/ias.1998.730254

Wallmeier P, Fröhleke N, Grotstollen H. Automated optimization of high frequency inductors. In: IECON ’98. Proceedings of the 24th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.980). IEEE; 1998. doi:10.1109/iecon.1998.724147

Ide P, Froehleke N, Grotstollen H. Investigation of low cost control schemes for a selected 3-level switched mode rectifier. In: Proceedings of Power and Energy Systems in Converging Markets. IEEE; 1997. doi:10.1109/intlec.1997.645920

Ide P, Froehleke N, Grotstollen H. Comparison of selected 3-phase switched mode rectifiers. In: Proceedings of Power and Energy Systems in Converging Markets. IEEE; 1997. doi:10.1109/intlec.1997.646061

Sun J, Grotstollen H. Fast time-domain simulation by waveform relaxation methods. In: PESC Record. 27th Annual IEEE Power Electronics Specialists Conference. IEEE; 1997. doi:10.1109/pesc.1996.548800

Beineke S, Schutte F, Grotstollen H. Online identification of nonlinear mechanics using extended Kalman filters with basis function networks. In: Proceedings of the IECON’97 23rd International Conference on Industrial Electronics, Control, and Instrumentation (Cat. No.976). IEEE; 1997. doi:10.1109/iecon.1997.671069

Beineke S, Schutte F, Wertz H, Grotstollen H. Comparison of parameter identification schemes for self-commissioning drive control of nonlinear two-mass systems. In: IAS ’97. Conference Record of the 1997 IEEE Industry Applications Conference Thirty-Second IAS Annual Meeting. IEEE; 1997. doi:10.1109/ias.1997.643068

Maas J, Grotstollen H. Averaged model of inverter-fed ultrasonic motors. In: PES. Record 28th Annual IEEE Power Electronics Specialists Conference. Formerly Power Conditioning Specialists Conference 1970-71. Power Processing and Electronic Specialists Conference 1972. IEEE; 1997. doi:10.1109/pesc.1997.616802

Schutte F, Beineke S, Rolfsmeier A, Grotstollen H. Online identification of mechanical parameters using extended Kalman filters. In: IAS ’97. Conference Record of the 1997 IEEE Industry Applications Conference Thirty-Second IAS Annual Meeting. IEEE; 1997. doi:10.1109/ias.1997.643069

Maas J, Schulte T, Grotstollen H. Optimized drive control for inverter-fed ultrasonic motors. In: IAS ’97. Conference Record of the 1997 IEEE Industry Applications Conference Thirty-Second IAS Annual Meeting. IEEE; 1997. doi:10.1109/ias.1997.643144

Wallmeier P, Grotstollen H. Magnetic shielding applied to high-frequency inductors. In: IAS ’97. Conference Record of the 1997 IEEE Industry Applications Conference Thirty-Second IAS Annual Meeting. IEEE; 1997. doi:10.1109/ias.1997.629003

Fiedler A, Grotstollen H. Simulation of power electronic circuits with principles used in wave digital filters. In: IAS ’95. Conference Record of the 1995 IEEE Industry Applications Conference Thirtieth IAS Annual Meeting. IEEE; 1997. doi:10.1109/ias.1995.530613