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气动负载模拟器的多余力矩分析

DOI: 10.13700/j.bh.1001-5965.2013.0553, PP. 1213-1218

Keywords: 气动负载模拟器,惯性力矩,摩擦力矩,多余力矩,主动压差,被动压差

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Abstract:

为了分析气动负载模拟器中多余力的形成及影响因素,介绍了气动负载模拟器的工作原理、结构框图及实验平台,推导了气动负载模拟器的数学模型,并通过实验和仿真对比模型进行了验证。采用线性化方法定性分析了影响气动负载模拟器多余力的3个因素——被动压差、惯性力矩以及摩擦力矩。采用非线性仿真定量分析了该3个因素分别对气动负载模拟器的多余力矩的影响。得出了在气动伺服加载系统中,摩擦力矩是引起系统多余力矩的重要因素。

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