电动舵机与其PWM驱动器的物理建模与参数估计

Journal of Projectiles,Rockets,Missiles and Guidance(2009)

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Abstract
电动舵机与其PWM(pulse width modulation)驱动器是某武器伺服系统的重要组成部分。针对其建模与参数估计的问题,文中首先较详细地介绍了电动舵机与其PWM驱动器使用特点和应用技术,然后选用Simulink平台下的SimDrivelineTM以及SimPowerSystemsTM模块库建立起电动舵机与其PWM驱动器的物理模型;通过非线性最小二乘法拟合的方式,对模型中的参数进行了估计,最后通过校验数据集的输出响应验证了该物理模型有较高的精度。
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Key words
pulse width modulation,parameter estimation,physical model,electromechanical actuator,Simulink
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