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| Research on Rotor Position Estimation Scheme Based on Two Phase Orthogonal Hall Effect Position Sensors |
| Xun Qian1, Qin Haihong1 ,Li Hansong2, Nie Xin1, Zeng Qingxi3 |
1.Jiangsu Key Laboratory of New Energy Generation and Power Conversion Nanjing University of Aeronautics and Astronautics Nanjing 210016 China
2.College of Mechanical and Electrical Engineering Nanjing University of Aeronautics and AstronauticsNanjing 210016 China
3.College of Energy & Power Engineering Nanjing University of Aeronautics and AstronauticsNanjing 210016 China |
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Abstract In order to expand applications of permanent magnet synchronous motors (PMSM) in low cost electric drive systems,based on the analysis of hall position estimation principle,a design scheme for rotor position estimation of PMSM using two orthogonal locked hall effect position sensors is presented.The principle errors and the fixed errors caused by hardware installation are analyzed in this paper.Finally,the rotor position detection software design and the closed loop control of PMSM are realized on a STM32 micro controller.All experimental results show that two phase orthogonal hall position sensors for rotor position detection can obtain better position accuracy,has high performance price ratio,and can be applied in the motor control on the occasions of cost demanding.
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Received: 15 April 2014
Published: 25 February 2016
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2016, Vol. 31 
