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Modeling and Identification of Asymmetric Hysteresis in Smart Actuators: A Modified MS Model Approach

机译:智能执行器中非对称磁滞的建模和识别:一种改进的MS模型方法

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摘要

This paper proposes a modified Maxwell-slip (MS) model to capture convex and/or concave asymmetric hysteresis in smart actuators. The original MS model can only capture antisymmetric hysteresis. To overcome this limitation, generalized elasto-slide operators (ESOs) are constructed to replace MS elements. Each ESO is characterized by its spring extension stiffness constant, maximum extension, compression stiffness constant, and maximum compression. A procedure is also proposed to identify the model parameters. Simulation and experimental results show that the proposed model is capable of reproducing convex and/or concave asymmetric hysteresis and improving the fit between the modeling and experimental results.
机译:本文提出了一种改进的麦克斯韦滑移(MS)模型,以捕获智能执行器中的凸形和/或凹形非对称磁滞。原始的MS模型只能捕获反对称磁滞。为了克服此限制,构造了通用的弹性滑坡算子(ESO)来代替MS元素。每个ESO的特征在于其弹簧伸展刚度常数,最大伸展度,压缩刚度常数和最大压缩力。还提出了识别模型参数的程序。仿真和实验结果表明,所提出的模型能够再现凸面和/或凹面不对称磁滞,并能改善建模与实验结果之间的拟合度。

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