可控度/可观度在智能结构热压电致动器/传感器配置中的应用  

Degree of Controllability /Observability Applied to Optimal Actuator/Sensor Placement for Advaced Intelligent Structure

作　　者：杜设亮[1] 张伟根 傅建中[1] 陈子辰[1] 

机构地区：[1]浙江大学机械系生产工程研究所 [2]浙江大学分析测试中心

出　　处：《中国机械工程》2001年第z1期187-189,共4页China Mechanical Engineering

基　　金：国家自然科学基金资助项目 ( 5 980 5 0 18)

摘　　要：研究智能结构中热压电致动器 /传感器配置的优化问题。提出了热压电介质的动态控制方程。提出目标函数来评价系统可控度、可观度以优化致动器 /传感器的放置 ,用具体算例讨论了热压电致动器 /传感器的位置和数目对系统可控度、可观度的影响 ,由此得到了有关致动器 /传感器配置的结论。The piezothermoelectric actuator/sensor placement optimization for intelligent structure is studied in this paper.. The governing equations for piezothermoelasticity continuum are first presented. Based on this, objective functions are presented to evaluate the system controllability/observability so that actuator/sensor placement optimization studies can be conducted. And the effects of the location and number of piezothermoelectric actuator/sensor on the degree of controllability/observability of system are illustrated by numerical examples. Based on the results of the optimal analysis procedure of actuator/sensor placement, some criteria of actuator/sensor placement are obtained.

关 键 词：智能结构 热压电耦合效应 可控度/可观度 致动器/传感器配置优化 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置]