Abstract
This paper proposed a novel robust predictive control scheme, with indirect vector control system, for the induction motor. In order to improve the current loop bandwidth in control system, the restrictions to current-loop bandwidth improvement was analyzed. The predictive control scheme based on mathematical model of induction motor in synchronous frame was proposed to improve the current-loop bandwidth and the performance of dynamic response. Meanwhile reasons of destabilization in system were analyzed and two robust factors were added to predictive current controller to upgrade the robustness of system and reduce the sensitivity to motor parameters. Experiment results show that the proposed robust predictive current control scheme improves the robustness of control system, and increases system response time.
| Original language | English |
|---|---|
| Pages (from-to) | 3448-3455 |
| Number of pages | 8 |
| Journal | Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering |
| Volume | 34 |
| Issue number | 21 |
| DOIs | |
| State | Published - 25 Jul 2014 |
| Externally published | Yes |
Keywords
- Induction motor
- Predictive current control
- Rotor flux orientation
- System robustness
- Vector control
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