Böcker, Joachim, et al. “Active Suppression of Torsional Oscillations.”10.1016/s1474-6670(17)31123-0__IFAC Proceedings Volumes, vol. 37, no. 14, Elsevier BV, 2004, pp. 319–24, doi:10.1016/s1474-6670(17)31123-0.

Amann, Notker, et al. “Active Damping of Drive Train Oscillations for an Electrically Driven Vehicle.”10.1109/tmech.2004.839036__IEEE/ASME Transactions on Mechatronics, vol. 9, no. 4, Institute of Electrical and Electronics Engineers (IEEE), 2004, pp. 697–700, doi:10.1109/tmech.2004.839036.

Böcker, Joachim. “Tolerance Band Controller for a Three-Level Four-Quadrant Converter Including DC Link Balancing.”10.1109/pesc.2004.1354749__2004 IEEE 35th Annual Power Electronics Specialists Conference (IEEE Cat. No.041), IEEE, 2004, doi:10.1109/pesc.2004.1354749.

Njiende, H. D., et al. “Derivation of Integrated Magnetic Components Using Reluctance and Mathematical Modeling.”10.1109/pesc.2004.1354859__2004 IEEE 35th Annual Power Electronics Specialists Conference (IEEE Cat. No.041), IEEE, 2004, doi:10.1109/pesc.2004.1354859.

Kauczor, C., and Norbert Fröhleke. “Inverter Topologies for Ultrasonic Piezoelectric Transducers with High Mechanical Q-Factor.”10.1109/pesc.2004.1355265__2004 IEEE 35th Annual Power Electronics Specialists Conference (IEEE Cat. No.041), IEEE, 2004, doi:10.1109/pesc.2004.1355265.

Wetzel, H., et al. “Low Voltage Asymmetrical Half-Bridge Converter with Integrated Magnetics.” 11th International Power Electronics and Motion Control Conferences, Riga, Latvia, 2004.

Schulz, B., et al. “Modelling of Influences to a Linear-Drive-System.” 11th International Power Electronics and Motion Control Conferences, Riga, Latvia, 2004.

Pottharst, A., et al. “Operating Point Assignment of a Linear Motor Driven Vehicle Using Multiobjective Optimization Methods.” 11th International Power Electronics and Motion Control Conferences, Riga, Latvia, 2004.

Li, R., et al. “Energy Storage Scheme for Rail-Guided Shuttle Using Ultracapacitor and Battery.” 11th International Power Electronics and Motion Control Conferences, Riga, Latvia, 2004.

Li, R., et al. “Analysis and Design of Improved Isolated Full-Bridge Bi-Directional DC-DC Converter.” PESC 2004, Aachen, Germany, 2004.