Higher-Order Sliding Mode Observer for Speed and Position Estimation in PMSM | Zendy

Suneel Kumar Kommuri | Zendy; Kalyana C. Veluvolu | Zendy; Michaël Defoort | Zendy; Yeng Chai Soh | Zendy

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Higher-Order Sliding Mode Observer for Speed and Position Estimation in PMSM

Author(s) -

Suneel Kumar Kommuri,

Kalyana C. Veluvolu,

Michaël Defoort,

Yeng Chai Soh

Publication year - 2014

Publication title -

mathematical problems in engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.262

H-Index - 62

eISSN - 1026-7077

pISSN - 1024-123X

DOI - 10.1155/2014/589109

Subject(s) - control theory (sociology) , observer (physics) , position (finance) , mode (computer interface) , computer science , estimation , control engineering , engineering , artificial intelligence , physics , control (management) , economics , finance , quantum mechanics , operating system , systems engineering

This paper presents a speed and position estimation method for the permanent magnet synchronous motor (PMSM) based on higher-order sliding mode (HOSM) observer. The back electromotive forces (EMFs) in the PMSM are treated as unknown inputs and are estimated with the HOSM observer without the need of low-pass filter and phase compensation modules. With the estimation of back EMFs, an accurate estimation of speed and rotor position can be obtained. Further, the proposed method completely eliminates chattering. Experimental results with a 26 W three-phase PMSM demonstrate the effectiveness of the proposed method

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