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首页> 外文期刊>Electric Power Applications, IET >Adaptive controller with an improved high-frequency injection technique for sensorless synchronous reluctance drive systems
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Adaptive controller with an improved high-frequency injection technique for sensorless synchronous reluctance drive systems

机译：具有改进的高频注入技术的自适应控制器，用于无传感器同步磁阻驱动系统

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This paper proposes an adaptive controller with an improved high-frequency injection method for sensorless synchronous reluctance drive systems. A mathematical model is presented to show that the use of a high-frequency injection method that takes into account the effects of unequal mutual-inductances and the influence of speed reduces the rotor position estimation error. The adaptive speed control algorithm offers improved transient performance in comparison to typical proportional–integral (PI) controllers that are employed in sensorless drive systems. To demonstrate the viability, the proposed adaptive controller and the modified high-frequency injection method are implemented using a TMS-320F-28335A digital signal processor to control a 500 W prototype synchronous reluctance motor drive. Experimental results are presented to show that the transient, load disturbance, and tracking responses of the proposed drive system are superior in comparison to a drive that uses a PI controller. Both experimental and theoretical analyses clearly indicate that the proposed high-frequency injection method with an adaptive speed-loop controller offers improved performance in adjustable speed synchronous reluctance drive systems.
机译：针对无传感器同步磁阻驱动系统，提出了一种具有改进的高频注入方法的自适应控制器。提出了一个数学模型，表明使用高频注入方法可以考虑互感不相等的影响和速度的影响，从而减少了转子位置估计误差。与无传感器驱动系统中采用的典型比例积分（PI）控制器相比，自适应速度控制算法可提供更高的瞬态性能。为了证明其可行性，使用TMS-320F-28335A数字信号处理器来实现所提出的自适应控制器和改进的高频注入方法，以控制500 W原型同步磁阻电动机驱动器。实验结果表明，与使用PI控制器的驱动器相比，所提出的驱动系统的瞬态响应，负载扰动和跟踪响应更为出色。实验和理论分析均清楚地表明，所提出的带有自适应速度环控制器的高频注入方法在可调速同步磁阻驱动系统中提供了改进的性能。

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