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Volume 48, Issue 2 (September 2018)
T-Source Inverter-Based Sensorless Speed Control for Permanent Magnet Synchronous Motor
(Received 3 November 2017; accepted 13 March 2018)
Published Online: 20 September 2018
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Permanent magnet synchronous motors (PMSM) are used commonly in numerous industrial applications, for instance, in mechatronics, vacuum pumps, energy storage flywheels, automotive, centrifugal compressors, and robotics. Nowadays, the sensorless speed control of PMSM is getting more attention, and several studies are progressing because of its low cost and reliable features. Normally, the speed control methods in PMSM are achieved with the help of sensors for position or speed estimation and control. But, these sensors are easily prone to breakage. Also, the flexibility towards parameter variations is poor in the conventional speed control methods. So, a sensorless T-source inverter-based PMSM drive that integrates the Proportional Integral (PI) controller with an adaptive mechanism to cope with the time-varying system parameters is proposed in this article. A sensorless module, namely, a model reference adaptive system (MRAS), is employed to estimate the rotor position of PMSM based on its performance characteristics Simulation results are illustrated to investigate the performance of the proposed method with different speeds under no load and loaded conditions. Moreover, the proposed approach not only minimizes the cost and size of the motor but also maximizes the reliability and accuracy.
Department of EEE, MIT Polytechnic College, Mettur, Tamil Nadu
Department of EEE, Bannari Amman Institute of Technology, Sathyamangalam, Tamil Nadu
Department of EEE, PSN College of Engineering & Technology, Melathediyoor, Tirunelveli, Tamil Nadu
Department of EEE, Mepco Schlenk Engineering College, Sivakasi, Virudhunagar, Tamil Nadu
Stock #: JTE20170629
Title T-Source Inverter-Based Sensorless Speed Control for Permanent Magnet Synchronous Motor