Discrete‐time full‐order sensorless control of high‐speed interior permanent magnet synchronous motor in electric vehicle traction system
Abstract A discrete‐time full‐order sensorless control strategy for high‐speed interior permanent magnet synchronous motor (IPMSM) used in electric vehicle (EV) traction system is designed in this paper. While most speed and position observer (SPO) methods are developed in the continuous‐time domain...
Saved in:
| Main Authors: | , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Wiley
2024-11-01
|
| Series: | IET Electric Power Applications |
| Subjects: | |
| Online Access: | https://doi.org/10.1049/elp2.12516 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1850219326530912256 |
|---|---|
| author | Dongcui Wang Yuan Zhu Sibei Wu Lu Liu |
| author_facet | Dongcui Wang Yuan Zhu Sibei Wu Lu Liu |
| author_sort | Dongcui Wang |
| collection | DOAJ |
| description | Abstract A discrete‐time full‐order sensorless control strategy for high‐speed interior permanent magnet synchronous motor (IPMSM) used in electric vehicle (EV) traction system is designed in this paper. While most speed and position observer (SPO) methods are developed in the continuous‐time domain, the presence of a unit‐time‐delay block existed in feedback loop and discretisation of the algorithm can lead to performance degradation during digital implementation. In this work, speed and angle are observed using the discrete‐time four‐order IPMSM model. A quadrature phase‐locked loop model with compensation is introduced, and its stability condition is established for the first time. Furthermore, to address the potential for sudden speed changes in vehicle applications, the parameter range is further refined to keep the estimation error within a specified range. The sliding mode observer is discretised and its stability is analysed using discrete Lyapunov theory. Additionally, the time sequence of interactive signals between SPO and field‐oriented control is thoroughly examined to ensure accurate time cycle. Finally, the proposed control strategy is validated and demonstrated through bench tests and real EV (LS6 of IM Motors) tests with a 190 kW IPMSM, which can improve the accuracy by 0.3 radians at 8000 rpm compared to traditional methods, and achieve stable control at 15,000 rpm on the test bench and at 120 kph with the EV. |
| format | Article |
| id | doaj-art-dfeb724c2d84476eaccd0618b5caf867 |
| institution | OA Journals |
| issn | 1751-8660 1751-8679 |
| language | English |
| publishDate | 2024-11-01 |
| publisher | Wiley |
| record_format | Article |
| series | IET Electric Power Applications |
| spelling | doaj-art-dfeb724c2d84476eaccd0618b5caf8672025-08-20T02:07:24ZengWileyIET Electric Power Applications1751-86601751-86792024-11-0118111540155310.1049/elp2.12516Discrete‐time full‐order sensorless control of high‐speed interior permanent magnet synchronous motor in electric vehicle traction systemDongcui Wang0Yuan Zhu1Sibei Wu2Lu Liu3School of Automotive Studies Tongji University Shanghai ChinaSchool of Automotive Studies Tongji University Shanghai ChinaInnovation Research and Development Institute SAIC Motor Shanghai ChinaInnovation Research and Development Institute SAIC Motor Shanghai ChinaAbstract A discrete‐time full‐order sensorless control strategy for high‐speed interior permanent magnet synchronous motor (IPMSM) used in electric vehicle (EV) traction system is designed in this paper. While most speed and position observer (SPO) methods are developed in the continuous‐time domain, the presence of a unit‐time‐delay block existed in feedback loop and discretisation of the algorithm can lead to performance degradation during digital implementation. In this work, speed and angle are observed using the discrete‐time four‐order IPMSM model. A quadrature phase‐locked loop model with compensation is introduced, and its stability condition is established for the first time. Furthermore, to address the potential for sudden speed changes in vehicle applications, the parameter range is further refined to keep the estimation error within a specified range. The sliding mode observer is discretised and its stability is analysed using discrete Lyapunov theory. Additionally, the time sequence of interactive signals between SPO and field‐oriented control is thoroughly examined to ensure accurate time cycle. Finally, the proposed control strategy is validated and demonstrated through bench tests and real EV (LS6 of IM Motors) tests with a 190 kW IPMSM, which can improve the accuracy by 0.3 radians at 8000 rpm compared to traditional methods, and achieve stable control at 15,000 rpm on the test bench and at 120 kph with the EV.https://doi.org/10.1049/elp2.12516discrete time systemsobserversphase locked loopssensorless machine controlsynchronous machines |
| spellingShingle | Dongcui Wang Yuan Zhu Sibei Wu Lu Liu Discrete‐time full‐order sensorless control of high‐speed interior permanent magnet synchronous motor in electric vehicle traction system IET Electric Power Applications discrete time systems observers phase locked loops sensorless machine control synchronous machines |
| title | Discrete‐time full‐order sensorless control of high‐speed interior permanent magnet synchronous motor in electric vehicle traction system |
| title_full | Discrete‐time full‐order sensorless control of high‐speed interior permanent magnet synchronous motor in electric vehicle traction system |
| title_fullStr | Discrete‐time full‐order sensorless control of high‐speed interior permanent magnet synchronous motor in electric vehicle traction system |
| title_full_unstemmed | Discrete‐time full‐order sensorless control of high‐speed interior permanent magnet synchronous motor in electric vehicle traction system |
| title_short | Discrete‐time full‐order sensorless control of high‐speed interior permanent magnet synchronous motor in electric vehicle traction system |
| title_sort | discrete time full order sensorless control of high speed interior permanent magnet synchronous motor in electric vehicle traction system |
| topic | discrete time systems observers phase locked loops sensorless machine control synchronous machines |
| url | https://doi.org/10.1049/elp2.12516 |
| work_keys_str_mv | AT dongcuiwang discretetimefullordersensorlesscontrolofhighspeedinteriorpermanentmagnetsynchronousmotorinelectricvehicletractionsystem AT yuanzhu discretetimefullordersensorlesscontrolofhighspeedinteriorpermanentmagnetsynchronousmotorinelectricvehicletractionsystem AT sibeiwu discretetimefullordersensorlesscontrolofhighspeedinteriorpermanentmagnetsynchronousmotorinelectricvehicletractionsystem AT luliu discretetimefullordersensorlesscontrolofhighspeedinteriorpermanentmagnetsynchronousmotorinelectricvehicletractionsystem |