A Fault Tolerant Control and Power Electronic for a Permanent Magnet Synchronous Motor Drive

被引：0

作者：

Errabelli, Rammohan Rao ^{[1
]}

Mutschler, Peter ^{[1
]}

机构：

[1] Tech Univ Darmstadt, Dept Power Elect & Control Drives, D-64283 Darmstadt, Germany

来源：

PROCEEDINGS OF THE 2011-14TH EUROPEAN CONFERENCE ON POWER ELECTRONICS AND APPLICATIONS (EPE 2011) | 2011年

关键词：

Signal processing; Fault tolerance; Reliability; Permanent magnet synchronous motor; Voltage source inverter;

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：

In this paper fault tolerant solutions for different components of the permanent magnet synchronous machine drive (PMSM) such as digital controller, inverter and feedback sensors are presented. In case of digital controller fault tolerance, three fixed point Digital Signal Processor (DSP) based controllers are used in parallel, running the same control algorithm. In case of fault tolerant inverter, a redundant leg is added, which replaces the faulted leg. Faulted leg isolation and redundant leg insertion is done by using independent back to back connected thyristors. Sensorless vector control algorithm is implemented in case of position sensor failure. A redundant current sensor is used in case of current sensor failure. The fault tolerance of the above system is verified using field oriented control (FOC) of a PMSM drive.

引用

页数：10

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