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Real-time adaptive control of the permanent-magnet synchronous motor

机译:永磁同步电动机的实时自适应控制

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摘要

The authors develop a fully digital adaptive velocity controller for the permanent-magnet synchronous motor. The critical issues addressed during the development of this controller include discretization and global linearization of the nonlinear motor system, nonlinearities in the inverter, nonminimum phase behavior due to sampling, sampling rate restrictions, robust mechanical state estimation, persistent excitation of the mechanical states, mechanical parameter estimation and validation of these estimates, and unmodeled dynamics. The resulting adaptive controller is implemented in real time using a computer system based on the Motorola 68020 microprocessor. Experimental results demonstrate that the adaptive controller maintains the desired control over velocity in the presence of varying mechanical parameters.
机译:作者开发了用于永磁同步电动机的全数字自适应速度控制器。在开发该控制器期间解决的关键问题包括非线性电动机系统的离散化和全局线性化,逆变器中的非线性,由于采样导致的非最小相位行为,采样率限制,鲁棒的机械状态估计,机械状态的持续激励,机械参数估计和这些估计的验证以及未建模的动力学。使用基于Motorola 68020微处理器的计算机系统可以实时实现最终的自适应控制器。实验结果表明,在存在变化的机械参数的情况下,自适应控制器可保持对速度的理想控制。

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