Inverter nonlinearity effects in hign-frequency signal-injection-based sensorless control methods

被引：156

作者：

Guerrero, JM ^{[1
]}

Leetmaa, M

Briz, F

Zamarrón, A

Lorenz, RD

机构：

[1] Univ Oviedo, Dept Elect Comp & Syst Engn, Gijon 33204, Spain

[2] Univ Wisconsin, Dept Mech Engn, Madison, WI 53706 USA

[3] Technol Inst Leon, Dept Mech & Elect Engn, Leon, Mexico

[4] Univ Wisconsin, Dept Elect & Comp Engn, Madison, WI 53706 USA

来源：

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 2005年 / 41卷 / 02期

关键词：

deadtime; pulsewidth modulation (PWM); saliency; sensorless;

D O I：

10.1109/TIA.2005.844411

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

An analysis of pulsewidth-modulation inverter nonlinearities influencing high-frequency carrier-signal voltage injection for saliency-tracking-based rotor/flux position estimation is presented in this paper. Distortion of the injected carrier voltage caused by the nonlinear behavior of the inverter has been reported to cause errors in the estimated rotor/flux position. Though a number of techniques have been developed to compensate for inverter nonlinearities, they have not been proven to be effective when a high-frequency low-magnitude voltage needs to be generated. Both the origins of the distortion as well as the requirements for compensation methods to be effective when producing such high-frequency voltages will be established in this paper.

引用

页码：618 / 626

页数：9

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