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Study on MRAS sliding-mode load torque observer based on PMSM
Author(s): 
Pages: 45-49
Year: Issue:  1
Journal: Electric Machines and Control

Abstract: 为提高同步电机驱动系统抗外部负载突变干扰的能力,基于Popov超稳定理论和滑模变结构控制理论提出一种负载转矩观测器,应用于永磁同步电机转速电流双闭环调速系统中,为转速控制器提供实时的转矩信息.其中选取永磁同步电机自身作为参考模型,选取永磁同步电机转速模型作为可调模型,利用负载转矩的估计误差构造基于积分分离理论的滑模面.系统仿真实验表明:减弱了转矩观测值的抖振;能快速准确检测出负载转矩的初始值和工作...
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