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中文摘要：
超磁致伸缩器件的输入应力与输出磁通密度存在着滞回非线性。基于Jiles-Atherton模型、磁机械效应方法定律和磁路定律，建立一个超磁致伸缩磁力控制器件的滞回模型。试验结果表明，该模型能较好地描述在变化应力和恒定偏置磁场作用下，超磁致伸缩器件输入应力与输出磁通密度及磁力的滞回关系，并可以预测偏置磁场对器件输出性能的影响，从而对器件的设计与分析具有重要指导意义。
英文摘要：
The relationship between the input stress and the output flux density of the giant magnetostrictive devices exhibits hys- teretic nonlinearity. A hysteretic model of a giant magnetostrictive device for magnetic force control is established based on the Jiles-Atherton model, the law of approach for the magnetomechanical effect and the magnetic circuit law. Experimental results show that the proposed model can better describe the hysteretic relationship among the input stress, the output flux density and magnetic force for the device under varying stress and constant bias magnetic field. The model can also predict the effect of the bias magnetic field on the output performance of the device. Therefore, the proposed model has important guiding significance for design and analysis of the devices.
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