微特电机
微特電機
미특전궤
SMALL & SPECIAL ELECTRICAL MACHINES
2010年
3期
35-38
,共4页
蔡满军%乔刚%刘会雪%程晓燕
蔡滿軍%喬剛%劉會雪%程曉燕
채만군%교강%류회설%정효연
伺服系统%无刷直流电动机%保性能控制%H_∞滤波器
伺服繫統%無刷直流電動機%保性能控製%H_∞濾波器
사복계통%무쇄직류전동궤%보성능공제%H_∞려파기
servo system%brushless DC motor%guarantee control%H_∞ filter
研究了伺服系统的H_∞滤波器设计问题.首先对无刷直流电动机控制系统进行了保性能控制器设计,在外界干扰不可避免的情况下,设计了H_∞滤波器.使得滤波误差系统渐近稳定且满足一定的H_∞性能指标,给出了滤波器存在的充分条件,并通过矩阵变换得到了设计滤波器的LMI方法.通过求解LMI,可以得到滤波器参数.范数小于指定上界的充分条件,并解出了滤波器的参数.最后仿真实例证明了该方法的有效性.
研究瞭伺服繫統的H_∞濾波器設計問題.首先對無刷直流電動機控製繫統進行瞭保性能控製器設計,在外界榦擾不可避免的情況下,設計瞭H_∞濾波器.使得濾波誤差繫統漸近穩定且滿足一定的H_∞性能指標,給齣瞭濾波器存在的充分條件,併通過矩陣變換得到瞭設計濾波器的LMI方法.通過求解LMI,可以得到濾波器參數.範數小于指定上界的充分條件,併解齣瞭濾波器的參數.最後倣真實例證明瞭該方法的有效性.
연구료사복계통적H_∞려파기설계문제.수선대무쇄직류전동궤공제계통진행료보성능공제기설계,재외계간우불가피면적정황하,설계료H_∞려파기.사득려파오차계통점근은정차만족일정적H_∞성능지표,급출료려파기존재적충분조건,병통과구진변환득도료설계려파기적LMI방법.통과구해LMI,가이득도려파기삼수.범수소우지정상계적충분조건,병해출료려파기적삼수.최후방진실예증명료해방법적유효성.
This paper is devoted to the study of the server's H_∞ filter design of the servo system.First we designed a guaranteeing controller for brnshless DC motor control system in which exogenous disturbance was inevitable.We designed the filter which can guarantee a prescribed H_∞ performance level for the faltering error system.The sufficient conditions for existing filters were derived.A linear matrix inequalities (LMIs) method for designing filter was given by matrix transforma-tions.By solving a set of LMIs,the filter parameters were derived.Finally,an example was presented to demonstrate the effi-ciency of the proposed method.