期刊论文

Simulation Analysis of Multi DOF Platform Control in High Precision Plant Based on Actuator Models

中文

噪声与振动控制

Noise and Vibration Control

1006-1355

2013

33

6

40-44

10.3969/j.issn.1006-1335.2013.06.009

国家自然科学基金(基金编号:51078119)； 国家自然科学基金(基金编号:51178153)；

本校为其他机构

为进一步提高高精密厂房中平台的隔振效果,在平台控制中考虑超磁致伸缩作动器的非线性特性对多自由度平台混合控制系统产生一定的制约作用,因此将四个超磁致伸缩作动器模型植入混合控制系统进行设计。首先建立一个以空气弹簧和超磁致伸缩作动器为基本元件的多自由度微振动混合控制系统,然后利用Jiles-Atherton模型的概念建立超磁致伸缩作动器的非线性及其逆补偿模型,并将所建立的作动器模型与多自由度微振动控制系统结合。最后对基于作动器模型的混合控制系统与被动控制系统下的高精密平台响应进行对比分析,取得较好的控制效果,为其在实际工程应用中提供可靠的理论依据。

In the control design, the nonlinearity of giant-magnetostrictive actuators has some effect on hybrid control system for a multi-degree of freedom（MDOF） platform. To improve the platform＇ s vibration isolation effect in a high precision plant, four giant-magnetostrictive actuator models were built in the hybrid control system. First of all, the MDOF hybrid control system was established with the air springs and the giant-magnetostrictive actuators as the basic components. Then, the concept of Jiles-Atherton model was used to establish a non ...