不确定微机电混沌系统的反演自适应控制  

Back-stepping Adaptive Control of Uncertain Micro-electro-mechanical Chaos System

作　　者：肖勇[1] 戴跃洪[1] 张睿[1] 陈易[1] 

机构地区：[1]电子科技大学机械电子工程学院,成都611731

出　　处：《组合机床与自动化加工技术》2014年第7期106-108,共3页Modular Machine Tool & Automatic Manufacturing Technique

摘　　要：简单分析了静电力驱动微机电谐振器的混沌特性,给出了系统位移随电压变化的分岔图及典型的混沌吸引子。针对含有不确定的微机电混沌系统,结合反演与自适应控制技术,提出了一种自适应反演混沌控制策略。该策略通过自适应方法在线估计系统中的不确定性,并通过反演控制来快速实现系统的镇定。最后,通过仿真实例验证了所提出的策略的有效性。The paper analyzes the chaotic behavior of the electrostatically actuated micro-electro-mechanical resonators.The bifurcation diagram about system displacement change with voltage and the typical chaotic attractor are given.Combined with adaptive control and back-stepping approach,an adaptive back-stepping control scheme is proposed for micro-electro-mechanical systems （MEMS）with uncertainties.The uncertainties of the system is estimated using adaptive approach,then back-stepping control is used to stabilize the system as quickly as possible.Finally,simulation results verify that the proposed method is effective.

关 键 词：微机电系统 混沌 自适应反演控制 不确定性 

分 类 号：TH166[机械工程—机械制造及自动化] TG69[金属学及工艺—金属切削加工及机床]