永磁同步电机无传感器控制

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永磁同步电机无传感器控制(滑模观测器法)

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The control of permanent magnet synchronous motors (PMSMs) without sensors, also known as sensorless control, has received increasing attention over the years. One of the most common techniques for PMSMs sensorless control is the sliding mode observer method. This method involves the use of a sliding mode observer to estimate the rotor position and speed, which are necessary for the proper operation of the motor. The observer is designed to compensate for the non-linearities and uncertainties inherent in the motor. By using the sliding mode observer method, the need for expensive sensors can be eliminated, making the control system more cost-effective and reliable. The sensorless control of PMSMs has numerous applications in various industries, including electric vehicles, robotics, and wind turbines. Overall, the development of sensorless control techniques for PMSMs has the potential to revolutionize the field of electric motors by reducing costs, improving efficiency, and increasing reliability.