Abstract
The traditional sliding mode control (SMC) is not suitable for the double closed-loop vector control of permanent magnet synchronous motors (PMSM), due to its high-frequency switching control characteristics. For the speed control system of PMSM, a smooth double closed-loop non-singular terminal sliding mode (SNTSM) control scheme based on a robust differential estimator is proposed. It could realize the free-chattering SMC, overcome the influences of chattering problem on PMSM and improve the robustness and the response speed of the system. Focused on the windup phenomenon caused by nonlinear saturation characteristics of PMSM system, the difference between the input current and output current of speed SNTSM controller was taken as a feedback signal, as Anti-reset Windup PI controller does, to overcome the influence such as overshoot, bad dynamic and static performances. Based on the Lyapunov theorem, the stability of controllers was proved. Simulation and experiment results proved the proposed method.
| Translated title of the contribution | Double closed-loop smooth non-singular terminal sliding mode control of PMSM based on anti-windup method |
|---|---|
| Original language | Chinese (Traditional) |
| Pages (from-to) | 138-146 |
| Number of pages | 9 |
| Journal | Dianji yu Kongzhi Xuebao/Electric Machines and Control |
| Volume | 24 |
| Issue number | 3 |
| DOIs | |
| State | Published - 1 Mar 2020 |
| Externally published | Yes |
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