Initial rotor position estimation of three-stage brushless synchronous motors

Shuai Mao; Weiguo Liu; Peng Ma; Jichang Peng

doi:10.11817/j.issn.1672-7207.2016.11.010

Initial rotor position estimation of three-stage brushless synchronous motors

Shuai Mao, Weiguo Liu, Peng Ma, Jichang Peng

自动化学院

Northwestern Polytechnical University Xian

科研成果: 期刊稿件 › 文章 › 同行评审

摘要

A method of estimating the initial rotor position of a three-stage brushless synchronous motor at standstill without any position sensors was presented. Based on the magnetic saturation characteristics of the stator core, the preliminary initial rotor position of the machine was estimated by applying specified voltage vectors to the main generator and comparing the stator current values. Then, the stator current values were modeled using the preliminary initial rotor position information and Gaussian curve fitting was performed. The results show that the standstill rotor position is within 0.5° in electrical angle.

源语言	英语
页（从-至）	3685-3691
页数	7
期刊	Zhongnan Daxue Xuebao (Ziran Kexue Ban)/Journal of Central South University (Science and Technology)
卷	47
期	11
DOI	https://doi.org/10.11817/j.issn.1672-7207.2016.11.010
出版状态	已出版 - 26 11月 2016

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title = "Initial rotor position estimation of three-stage brushless synchronous motors",

abstract = "A method of estimating the initial rotor position of a three-stage brushless synchronous motor at standstill without any position sensors was presented. Based on the magnetic saturation characteristics of the stator core, the preliminary initial rotor position of the machine was estimated by applying specified voltage vectors to the main generator and comparing the stator current values. Then, the stator current values were modeled using the preliminary initial rotor position information and Gaussian curve fitting was performed. The results show that the standstill rotor position is within 0.5° in electrical angle.",

keywords = "Gaussian curve fitting, Initial rotor position, Sensor-less, Standstill, Three-stage brushless synchronous motor",

author = "Shuai Mao and Weiguo Liu and Peng Ma and Jichang Peng",

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doi = "10.11817/j.issn.1672-7207.2016.11.010",

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TY - JOUR

T1 - Initial rotor position estimation of three-stage brushless synchronous motors

AU - Mao, Shuai

AU - Liu, Weiguo

AU - Ma, Peng

AU - Peng, Jichang

PY - 2016/11/26

Y1 - 2016/11/26

N2 - A method of estimating the initial rotor position of a three-stage brushless synchronous motor at standstill without any position sensors was presented. Based on the magnetic saturation characteristics of the stator core, the preliminary initial rotor position of the machine was estimated by applying specified voltage vectors to the main generator and comparing the stator current values. Then, the stator current values were modeled using the preliminary initial rotor position information and Gaussian curve fitting was performed. The results show that the standstill rotor position is within 0.5° in electrical angle.

AB - A method of estimating the initial rotor position of a three-stage brushless synchronous motor at standstill without any position sensors was presented. Based on the magnetic saturation characteristics of the stator core, the preliminary initial rotor position of the machine was estimated by applying specified voltage vectors to the main generator and comparing the stator current values. Then, the stator current values were modeled using the preliminary initial rotor position information and Gaussian curve fitting was performed. The results show that the standstill rotor position is within 0.5° in electrical angle.

KW - Gaussian curve fitting

KW - Initial rotor position

KW - Sensor-less

KW - Standstill

KW - Three-stage brushless synchronous motor

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SP - 3685

EP - 3691

JO - Zhongnan Daxue Xuebao (Ziran Kexue Ban)/Journal of Central South University (Science and Technology)

JF - Zhongnan Daxue Xuebao (Ziran Kexue Ban)/Journal of Central South University (Science and Technology)

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Initial rotor position estimation of three-stage brushless synchronous motors

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