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间隙引发的变载非线性及其闭环辨识
Authors
张珩
肖歆昕
Publication date
1 January 2019
Publisher
Abstract
阐明了齿轮传动位置伺服系统间隙除产生熟知的前向迟滞非线性之外,还将因系统往复运动中加卸载相交替的反向调制致使驱动电机动力学参数同步跳变所出现的变载非线性现象.推导建立了这类非线性在一阶谐波意义下的串联式等效频域模型及其近似计算公式,分析了相应的幅相特性.进一步面向服役中系统提出了直接通过闭环弱自激振荡控制所实现的间隙辨识新方法,给出了控制器的结构及其参数整定策略.此外,文中还给出了含高斯白噪声测量的仿真算例,充分验证了闭环间隙辨识方法的有效性和便捷性
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Institute Of Mechanics,Chinese Academy of Sciences
See this paper in CORE
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oai:dspace.imech.ac.cn:311007/...
Last time updated on 25/11/2020
Institute Of Mechanics,Chinese Academy of Sciences
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:dspace.imech.ac.cn:311007/...
Last time updated on 17/10/2019