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A novel sliding mode torque control of an IPMSM drive

机译：一种IPMSM驱动器的新型滑模扭矩控制

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摘要

This paper presents the direct torque control (DTC) of an interior permanent magnet synchronous motor (IPMSM) based on sliding mode technique. Two adaptive cascade sliding mode controllers (ASMC) are designed; one for regulating the motor speed and the other is dedicated for controlling the electromagnetic torque. Consequently, the demerits of classical DTC (large torque and current ripples due to sector changes, low speed problems, and sensitivity to uncertainties) could be avoided in the proposed scheme. A total sliding mode control is used to reduce the chattering effect and eliminate the reaching phase. Moreover, a simple adaptive algorithm is used to estimate the upper bound of lumped uncertainty. Lyaponov stability theorem is used to insure the stability of the proposed control system. Computer simulations have been carried out to show the effectiveness of the proposed system. A comparison between the proposed system and a PI- adaptive sliding mode torque control system has been made in order to confirm the validity of the proposed approach. The results proved that the proposed system has a good dynamic response. Moreover, it has robustness against the parameters variation and load disturbance
机译：本文介绍了基于滑模技术的内部永磁同步电机（IPMSM）的直接扭矩控制（DTC）。设计了两个自适应级联滑模控制器（ASMC）;一种用于调节电动机速度，另一个用于控制电磁扭矩。因此，在所提出的方案中可以避免经典DTC（由于扇区改变，低速问题和对不确定性的敏感性）的透视DTC（大扭矩和电流涟漪）。总滑模控制用于减少抖动效果并消除到达阶段。此外，使用简单的自适应算法来估计集体不确定性的上限。 Lyaponov稳定定理用于确保所提出的控制系统的稳定性。已经开展了计算机模拟以表明所提出的系统的有效性。已经进行了所提出的系统和PI-自适应滑动模式扭矩控制系统的比较以确认所提出的方法的有效性。结果证明，建议的系统具有良好的动态响应。此外，它具有对参数变化和负载干扰的鲁棒性

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