Fault diagnosis using recursive least square algorithm for permanent magnet synchronous motor drives
- Authors
- Park, Byoung-Gun; Kim, Rae-Young; Hyun, Dong-Seok
- Issue Date
- Jul-2011
- Publisher
- IEEE
- Citation
- 8th International Conference on Power Electronics - ECCE Asia: Green World with Power Electronics, ICPE 2011-ECCE Asia, pp.2506 - 2510
- Indexed
- SCOPUS
- Journal Title
- 8th International Conference on Power Electronics - ECCE Asia: Green World with Power Electronics, ICPE 2011-ECCE Asia
- Start Page
- 2506
- End Page
- 2510
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/168017
- DOI
- 10.1109/ICPE.2011.5944729
- Abstract
- This paper proposes a novel diagnosis scheme using parameter estimation of stator resistance, especially, in subject to the open-phase faults of PMSM drives. The stator resistances of PMSM are estimated by recursive least square (RLS) algorithm in real time. The fault diagnosis is achieved by analyzing the estimated stator resistance of each phase according to fault condition. The proposed diagnosis scheme is implemented without any extra devices. Moreover, the estimated parameter information can be used in order to improve the control performance. The feasibility of the proposed fault diagnosis scheme is proved by simulation and experimental results.
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