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偏动式形状记忆合金驱动器系统建模与仿真
Release time:2023-11-03

       为了实现偏置形状记忆合金驱动器的快速响应和高精度控制系统,基于Kanaka-Liang提出的形状记忆合金材料的一维本构关系建立偏置SMA执行器的热力学模型.针对合金执行器材料的非线性滞后特性,结合PID控制和模糊控制各自的优点,设计了模糊增益自调节PID复合控制器方案,

记忆合金驱动器
并对偏置形状记忆合金驱动器的响应特性进行了仿真。结果表明,与PID控制器和模糊控制器相比,模糊增益自调节PID复合控制器具有响应快、超调小、适应性好等优点。模糊增益自调节PID控制策略可以充分满足偏置形状。记忆合金驱动器对控制精度的要求。

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