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首页> 外文会议>2010 IEEE/ASME International Conference on Advanced Intelligent Mechatronics >Ellipse-based modelling of hysteresis in a smart actuator
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Ellipse-based modelling of hysteresis in a smart actuator

机译：智能执行器中基于椭圆的磁滞建模

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This work investigates the elliptical modelling of hysteresis in a smart actuator. The actuator in question is a rolled dielectric elastomer (DE) tubular actuator. The actuator actually demonstrates asymmetric hysteresis behaviour due to an inherent nonlinear voltage-strain characteristic. In this contribution the dynamic asymmetric hysteretic characteristics of the voltage driven tubular actuator are initially decomposed into the nonlinear static voltage-strain characteristic in series with a symmetric hysteretic characteristic. A gain scheduling term is introduced to compensate for the nonlinear voltage-strain behaviour of the actuator thereby producing the symmetric hysteretic characteristic of the actuator. The symmetric hysteresis characteristic seems to be elliptical in nature. In this contribution the modelling of this ‘decomposed’ symmetric hysteresis characteristic is investigated using an ellipse-based modeling approach.
机译：这项工作研究了智能执行器中的磁滞的椭圆建模。所讨论的致动器是滚动的介电弹性体（DE）管状致动器。由于固有的非线性电压-应变特性，执行器实际上表现出不对称的磁滞行为。在该贡献中，电压驱动管状致动器的动态不对称磁滞特性首先被分解为与对称磁滞特性串联的非线性静态电压应变特性。引入增益调度项以补偿执行器的非线性电压应变行为，从而产生执行器的对称磁滞特性。对称的磁滞特性在本质上似乎是椭圆形的。在这项贡献中，使用基于椭圆的建模方法研究了这种“分解的”对称迟滞特性的建模。

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