Analysis on electromechanical coupling vibration characteristics of in-wheel motor in electric vehicles considering air gap eccentricity

• Autorzy: Li Y. , Wu H. , Xu X. , Cai Y. , Sun X.

Identyfikatory

DOI

10.24425/bpasts.2019.130882

• Języki publikacji: EN

Abstrakty

EN

The distortion of air gap magnetic field caused by the rotor eccentricity contributes to the electromechanical coupling vibration of the brushless DC (BLDC) permanent magnet in-wheel motor (PMIWM) in electric vehicles (EV). The comfort of the BLDC in-wheel motor drive (IWMD) EV is seriously affected. To deeply investigate the electromechanical coupling vibration of the PMIWM under air gap eccentricity, the PMIWM, tyre and road excitation are analyzed first. The influence of air gap eccentricity on air gap magnetic density is investigated. The coupling law of the air gap and the unbalanced magnetic force (UMF) is studied. The coupling characteristics of eccentricity rate, air gap magnetic density, UMF, phase current and vibration acceleration are verified on the test bench in the laboratory. The mechanism of the electro-mechanical coupling vibration of the BLDC PMIWM under air gap static eccentricity (SE), dynamic eccentricity (DE) and hybrid eccentricity (HE) is revealed. DE and HE deteriorate the vibration acceleration amplitude, which contributes the electromechanical coupling vibration of the PMIWM. The research results provide a solid foundation for the vibration and noise suppression of the PMIWM in distributed drive EV.

Słowa kluczowe

EN

BLDC in-wheel motor; rotor eccentricity; unbalanced magnetic force; electric vehicle; electromechanical coupling vibrat

• Wydawca: Polska Akademia Nauk, Wydział IV Nauk Technicznych
• Czasopismo: Bulletin of the Polish Academy of Sciences. Technical Sciences
• Rocznik: 2019
• Tom: Vol. 67, nr 5
• Strony: 851--862
• Opis fizyczny: Bibliogr. 49 poz., rys., tab.

Twórcy

autor

Li Y.

• Automotive Engineering Research Institute, Jiangsu University, Zhenjiang, 212013, P. R. China
• Key Laboratory of Advanced Manufacture Technology for Automobile Parts (Chongqing University of Technology), Ministry of Education, Chongqing 400054, P. R. China

autor

Wu H.

• School of Automotive and Traffic Engineering, Jiangsu University, Zhenjiang, 212013, P. R. China

autor

Xu X.

• Automotive Engineering Research Institute, Jiangsu University, Zhenjiang, 212013, P. R. China

autor

Cai Y.

• Automotive Engineering Research Institute, Jiangsu University, Zhenjiang, 212013, P. R. China

autor

Sun X.

• Automotive Engineering Research Institute, Jiangsu University, Zhenjiang, 212013, P. R. China

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Uwagi

PL

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).