基于3-RPC并联机构的三维振动隔离系统的动力学建模与控制研究
发布时间：2018-07-20 20:25
【摘要】：基于车体振动的特点提出一种应用于车载设备的三维隔振系统,建立了该系统的半主动模糊最优控制模型,并通过实验验证了该多维隔振系统的性能。该系统通过使用磁流变(MR)阻尼器与弹簧组成的隔振子系统代替3-RPC(旋转副-平移副-螺旋副)并联机构中的驱动器实现空间三维振动隔离。控制模型结合了H∞状态反馈控制方法和MR阻尼器的工作原理得到阻尼器的可输出控制力,并通过模糊模型计算得到MR阻尼器的输入电流。设计制造了一套振动隔离实验平台,并采用正弦信号和随机信号进行振动实验完成了对平台的隔振性能的验证。通过测量上平台的振动加速度表明此隔振系统具有良好的隔振效果。
[Abstract]:Based on the characteristics of vehicle body vibration, a three-dimensional vibration isolation system applied to vehicular equipment is proposed. The semi-active fuzzy optimal control model of the system is established, and the performance of the multi-dimensional vibration isolation system is verified by experiments. In this system, a vibration isolation subsystem composed of Mr dampers and springs is used instead of the actuators in 3-RPC (rotating pair, translation pair and spiral pair) parallel mechanism to achieve three-dimensional vibration isolation. The control model combines the H 鈭，
本文编号：2134678
[Abstract]:Based on the characteristics of vehicle body vibration, a three-dimensional vibration isolation system applied to vehicular equipment is proposed. The semi-active fuzzy optimal control model of the system is established, and the performance of the multi-dimensional vibration isolation system is verified by experiments. In this system, a vibration isolation subsystem composed of Mr dampers and springs is used instead of the actuators in 3-RPC (rotating pair, translation pair and spiral pair) parallel mechanism to achieve three-dimensional vibration isolation. The control model combines the H 鈭，
本文编号：2134678
本文链接：https://www.wllwen.com/guanlilunwen/gongchengguanli/2134678.html
