A Current Observer to Reduce the Sensor Count in Three-Phase PM Synchronous Machine Drives

被引：0

作者：

Eull, Michael ^{[1
]}

Mohamadian, Mustafa ^{[2
]}

Luedtke, Daniel ^{[2
]}

Preindl, Matthias ^{[1
]}

机构：

[1] Columbia Univ, Dept Elect Engn, New York, NY 10027 USA

[2] FCA US LLC, Auburn Hills, MI USA

来源：

2018 IEEE TRANSPORTATION AND ELECTRIFICATION CONFERENCE AND EXPO (ITEC) | 2018年

关键词：

LINK CURRENT SENSOR; MOTOR-DRIVES; FAULT-DETECTION; INVERTERS;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Reduced sensor systems are a topic receiving increasing attention as manufacturers seek to reduce costs by removing components from systems. One popular option is to remove phase current sensors and to estimate the missing currents using the ones remaining. This paper proves that it is possible to estimate the three-phase currents of an anisotropic permanent magnet synchronous machine drive when only one phase current sensor is present. The necessary conditions for observability and stability have been derived, providing certainty for the design of a permanent magnet synchronous machine drive controller. The concept has been verified with high-fidelity simulations that show the one phase current sensor observer is capable of controlling the drive system in the presence of sensor noise and parameter errors.

引用

页码：749 / 754

页数：6

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