With the rapid development of traction motor control technology and manufacturing techniques, motors have been widely used in urban rail transit, light rail, subway, and other fields. Especially with the rapid advancement of electrification in rail transportation, the testing of traction motor controllers has gained increasing attention from researchers. However, traditional physical testing of traction motors is expensive, carries high risks, and has long testing cycles.Therefore, many researchers have gradually started using real-time simulators for hardware-in-the-loop (HIL) testing of traction motor controllers. Compared to traditional physical testing of traction motors, real-time simulation technology not only allows for fast, efficient, safe, and cost-effective testing of traction motor controllers but also enables quick switching tests for different types and parameters of traction motors.
Professor Liu Zhigang's research team at Southwest Jiaotong University has proposed a method to improve the operational performance of the vehicle-grid system based on sliding mode control. This method demonstrates better control performance compared to traditional PI control. The research conducted experiments using StarSim power electronics real-time simulator of ModelingTech. The experimental results validate the correctness of the proposed control strategy for the traction grid-side inverter of the train unit.
MT 8020 simulator is used to simulate traction system. Traction inverter and traction motor run on the FPGA with 1us timestep. It is connected to the real controller via physical IO interfaces. It is possible to test traction motor controllers quickly, efficiently, safely and economically, and it is also possible to test different types of traction motors with different parameters by switching between them quickly.
Motor model runs on FPGAs with 1μs timestep to accurately simulate motor operating characteristics.
Include DC machine, BLDC, PMSM, AC machine, DFIG,6-phase PMSM and so on.
Support 2 three-phase permanent magnet synchronous motors or 2 three-phase squirrel cage induction motors.
Support motor position sensor models including encoders, Hall sensors, resolvers.
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