传感器集成技术在开关磁阻电机驱动中的应用

Conference Record of the 1988 IEEE Industry Applications Society Annual Meeting Pub Date : 1988-10-02 DOI:10.1109/IAS.1988.25120

S. R. Macminn, P. Szczesny, W.J. Rzesos, T. Jahns

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引用次数: 115

摘要

介绍了一种新型的开关磁阻(SR)电机驱动系统。该系统不需要位置传感器，也不需要用于调节相电流的离散电流传感器。相反，驱动器使用功率MOSFET晶体管与集成的导频器件进行电流反馈，当开关“关闭”时，使用固定的断开时间斩波策略来控制相电流。为了消除SR电机控制通常需要的位置传感器，控制器使用相位电感测量来估计转子位置。这个位置估计方案是足够精确的，以允许相位发射脉冲的定位，在大约两个电气度的期望转子角，和完整的四象限操作的系统是可能的。已经建立了一个实验室原型系统，并以高达3000 rpm的速度进行了测试。该系统在四个运行象限(包括零速度)均表现出良好的性能。整个系统的控制是在一个低成本的微处理器上实现的。

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Application of sensor integration techniques to switched reluctance motor drives

A novel drive system for a switched-reluctance (SR) motor is described. The system needs no position sensor and has no discrete current sensors for regulating phase currents. Instead, the drive uses power MOSFET transistors with integrated pilot devices for current feedback when the switches are 'off', a fixed off-time chopping strategy is used to control the phase currents. To eliminate the position sensor normally required for SR motor control, the controller estimates the rotor position using phase inductance measurements. This position estimation scheme is sufficiently precise to allow positioning of the phase firing pulses to within approximately two electrical degrees of the desired rotor angle, and full four-quadrant operation of the system is possible. A laboratory prototype system has been built and tested at speeds up to 3000 rpm. The system shows good performance in all four operating quadrants, including zero speed. The entire control for the system is implemented in a single low-cost microprocessor.<>

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Conference Record of the 1988 IEEE Industry Applications Society Annual Meeting

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