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首页> 外文期刊>Power Electronics, IET >Full digital deadbeat speed control for permanent magnet synchronous motor with load compensation
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Full digital deadbeat speed control for permanent magnet synchronous motor with load compensation

机译:带负载补偿的永磁同步电动机的全数字无差拍速度控制

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摘要

A full digital deadbeat controller is proposed for the speed loop to obtain better dynamic response performance in permanent magnet synchronous motor servo system. Given an expected target error function and speed command in Z-domain form, according to the deadbeat zero-pole configuration rules, the digital controller is derived to make the current command output stable in several sampling periods and the speed response also becomes stable without ripples. To reject disturbance from the load variation, an estimation method, based on model reference adaptive system through Popov's hyper stability criteria, is presented to identify online the moment of inertia and load torque. The two quantities are essential for the speed loop to achieve adaptive control by load compensation. The simulation and experimental results reveal the effectiveness of the proposed speed controller.
机译:提出了一种全数字无差拍控制器用于速度环,以在永磁同步电动机伺服系统中获得更好的动态响应性能。给定预期的目标误差函数和Z域形式的速度命令,根据无差拍零极点配置规则,得出数字控制器以使电流命令输出在多个采样周期内保持稳定,并且速度响应也变得稳定而没有波动。为了消除来自负载变化的干扰,提出了一种基于模型参考自适应系统并通过Popov超稳定性准则的估计方法,以在线识别惯性矩和负载转矩。这两个量对于速度环通过负载补偿实现自适应控制至关重要。仿真和实验结果表明了所提速度控制器的有效性。

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