DC/AC Converter (inverter) n n Full-bridge inverter Multi-level inverter 國立台灣科技大學 15
Full-bridge inverter 國立台灣科技大學 16
Three-level inverter 國立台灣科技大學 17
Three-level inverter 國立台灣科技大學 18
4. 軌道牽引控制特點 n n 高起動轉矩/高慣量( ) 低黏著力(adhesion)/低摩擦力(friction) slipping:wheel velocities < train speed skidding:wheel velocities > train speed 國立台灣科技大學 19
Slip and skid prevention n Train speed and position evaluation Traction (adhesion) Force measurement Readhesion control 國立台灣科技大學 22
One axis train model Equations: 國立台灣科技大學 23
參考資料 (1)T. M. Jahns and V. Blasko, “Recent Advances in Power Electronics Technology for Industrial and Traction Machine, ” Proceeding of The IEEE, Vol. 89, No. 6, pp. 963 -973, Jane, 2001. (2)T. Gada, I. Rudas and. Suda, ”Neural Network based Estimation of Friction Coffecient of Wheel and Rail, ” IEEE conference. (3)Y. Takaoka and A. Kayamura, “Disturbance Observer Based Adhesion Control for Shinkansen, ” IEEE AMC 2000 Nagoya, pp. 169 -174. (4)I. Yasuoka, T. Henmi, Y. Nakazawa and I. Aoyama, “Improvement of Re-adhesion for Commuter Trains with Vector Control Traction Inverter, ” IEEE PCC-Nagaoka ’ 97, pp. 51 -56. 國立台灣科技大學 26