The demand for sensorless control of surface-mounted permanent magnet synchronous motor drives has grown rapidly. Among various sensorless control methods developed, Matsui's current model-based approach and the extended Kalman filter approach have gained much attention. However, the performance of these control methods can be severely worsened or may even become unstable under strong disturbances or sensing failures. This paper presents a comarative study of the extended Kalman filter, the resilient extended Kalman filter, and the unscented Kalman filter based sensorless direct torque and flux control approaches for the surface-mounted permanent magnet synchronous motor drives. Computer simulation studies and hardware implementation results have shown the efficiency and superior performance of the resilient extended Kalman filter and the unscented Kalman filter over the traditional extended Kalman filter for sensorless direct torque control applications.
Nonlinear Kalman Filtering Based Sensorless Direct Torque Control of Surface-Mounted Permanent Magnet Synchronous Motors
2018-06-01
216288 byte
Conference paper
Electronic Resource
English
A Sensorless Direct Torque Control Technique For Permanent Magnet Synchronous Motors
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