一种新的无传感器永磁同步电机伺服控制系统设计

2009 IITA International Conference on Control, Automation and Systems Engineering (case 2009) Pub Date : 2009-07-11 DOI:10.1109/CASE.2009.127

Zhili Liu, Xingcheng Huang, Shuwang Du, Mingxuan Sun

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引用次数: 1

摘要

本文提出了一种检测直线电机速度和位置的新方法。我们发现旋转dq坐标系下的永磁同步电机数学模型包含非线性项，且满足Lipschitz条件。因此，我们引入了存在有界扰动的Lipschitz非线性系统的观测器设计方法，并以LMI的形式给出了观测器的稳定性条件。在此基础上对直线电机的转速进行了估计，计算结果可用于电机磁极位置的计算，并给出了计算公式。为了支持理论概念，我们建立了一个无传感器的直线伺服控制系统。仿真结果证明了该方法的可行性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A New Sensorless Design for PMLSM Servo Control System

In this paper a new method to inspect the speed and position of linear motor is presented. We find the mathematical model of PMLSM in the rotationary dq coordinate contains the nonlinear term and it satisfies Lipschitz conditions. So we introduce an observer design method for Lipschitz nonlinear systems in the presence of bounded disturbances and give the stability condition of the observer with the form of LMI. Based on this method we estimate the speed of the linear motor, the result of which can be used to calculate the position of motor’s magnetic pole together with formulae. To support the theoretical concepts, we set up a sensorless linear servo control system for PMLSM. The simulation results prove the feasibility of the proposed method.

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2009 IITA International Conference on Control, Automation and Systems Engineering (case 2009)

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