Abstract
The LQG (Linear Quadratic Gauss)-based system controller is designed for the PMSM (Permanent Magnet Synchronous Motor) traction system, which applies the LQG/LTR robust control to suppress the influences of parameter disturbance and sensor measurement noise. The LTR (Loop Transfer Recovery) method is used to complete the control performance simulation during parameter disturbance in the optimal design of system controller. Simulative results show that, the system controller has better robustness when parameters vibrate within α 5%. The LQG/LTR control system based on DSP platform is designed. Test results show that, with system and measurement noises, the PMSM traction system with LQG/LTR controller has better dynamic performance and robustness than that with PID controller.
| Original language | English |
|---|---|
| Pages (from-to) | 56-61 |
| Number of pages | 6 |
| Journal | Dianli Zidonghua Shebei/Electric Power Automation Equipment |
| Volume | 32 |
| Issue number | 7 |
| State | Published - Jul 2012 |
Keywords
- DSP
- LQG/LTR
- Permanent magnets
- Robust control
- Synchronous motors
- Traction system