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首页> 外文会议>Mechatronic Systems and Materials II(MSM 2007) >Modeling of Magnetoelastic Materials for Force and Torque Sensors
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Modeling of Magnetoelastic Materials for Force and Torque Sensors

机译：力和扭矩传感器的磁弹性材料建模

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The paper presents a new idea of extension of the Jiles-Atherton-Sablik model for modeling of the influence of mechanical stresses on magnetic hysteresis loops of amorphous alloys. In the extended model changes of parameter k are considered during the magnetization and the influence of stresses on eight parameters of the Jiles-Atherton-Sablik model is taken into account. Verification of the model was carried out on the base of experimental results obtained for Fe_(40)Ni_(38)Mo_4B_(18) amorphous alloy subjected to both stress from external compressive force as well as shearing stresses from torque. In the experiment uniform stress distribution was achieved in both cases due to special mechanical system of backings. Evolutionary strategies were used in conjunction with gradient optimization for calculation of the model parameters. Results of simulation are in good agreement with experimental findings. As a result the extended Jiles-Atherton-Sablik model enables modeling of the magnetoelastic characteristics of amorphous materials for mechatronic inductive components such as compressive stress and torque sensors.
机译：本文提出了扩展Jiles-Atherton-Sablik模型的新思想，该模型用于建模机械应力对非晶态合金磁滞回线的影响。在扩展模型中，在磁化过程中考虑了参数k的变化，并考虑了应力对Jiles-Atherton-Sablik模型的八个参数的影响。基于对Fe_（40）Ni_（38）Mo_4B_（18）非晶态合金获得的实验结果进行了模型验证，Fe_（40）Ni_（38）Mo_4B_（18）非晶合金既经受来自外部压缩力的应力，又经受来自扭矩的剪切应力。在实验中，由于背衬的特殊机械系统，在两种情况下均实现了均匀的应力分布。进化策略与梯度优化一起用于计算模型参数。模拟结果与实验结果非常吻合。因此，扩展的Jiles-Atherton-Sablik模型可以对非晶材料的磁弹性特征进行建模，以用于机电感应组件，例如压应力和扭矩传感器。

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