Abstract
In order to improve the dynamic performance of sensorless Interior Permanent Magnet Synchronous Motor (IPMSM) position observation at low speeds, this paper proposes a position error extraction method based on Luenberger observer and combined with deadbeat predictive current control (DPCC) strategy. To improve the robustness of the position observation, a high frequency square-wave voltage is injected into the d-axis to generate a high frequency current signal with position information. Then the actual current is subtracted from the observed signal to obtain the high frequency current error. The motor position information is calculated by position error decoupling and phase-locked loop. To improve the rapidity of the current loop, a DPCC strategy is adopted to obtain the predicted value of the motor current using the observer. Finally, the simulation results show that the proposed control method can reduce the overshoot of position observation error and the dynamic performance of the motor controller is improved.
| Original language | English |
|---|---|
| Title of host publication | 2023 IEEE 6th International Electrical and Energy Conference, CIEEC 2023 |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| Pages | 988-993 |
| Number of pages | 6 |
| ISBN (Electronic) | 9798350346671 |
| DOIs | |
| State | Published - 2023 |
| Event | 6th IEEE International Electrical and Energy Conference, CIEEC 2023 - Hefei, China Duration: 12 May 2023 → 14 May 2023 |
Publication series
| Name | 2023 IEEE 6th International Electrical and Energy Conference, CIEEC 2023 |
|---|
Conference
| Conference | 6th IEEE International Electrical and Energy Conference, CIEEC 2023 |
|---|---|
| Country/Territory | China |
| City | Hefei |
| Period | 12/05/23 → 14/05/23 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- IPMSM sensorless control
- Luenberger observer
- deadbeat predictive current control (DPCC)
- square-wave voltage injection
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