自动化仪表
自動化儀錶
자동화의표
PROCESS AUTOMATION INSTRUMENTATION
2015年
5期
1-6
,共6页
离散非线性系统%多变量系统%小波网络%滑模控制%自适应
離散非線性繫統%多變量繫統%小波網絡%滑模控製%自適應
리산비선성계통%다변량계통%소파망락%활모공제%자괄응
Discrete nonlinear system%Multiple variable system%Wavelet network%Sliding mode control%Adaptive
在实际控制系统中，非线性、未建模动态和外扰经常是不可估计或无法测量的。采用小波网络( WN)设计动态未知的离散非线性系统智能自适应滑模控制( ASMC)，应用WN构造滑模控制律的等价控制，使用合适的自适应律在线调节网络参数。系统的滑模能够保证在有限时间到达切换带，所得到的闭环系统是渐近稳定的。通过扰动分析表明，所设计的控制器具有较强的鲁棒性。基于倒立摆试验系统的仿真及应用研究证明了其可行性和有效性。
在實際控製繫統中，非線性、未建模動態和外擾經常是不可估計或無法測量的。採用小波網絡( WN)設計動態未知的離散非線性繫統智能自適應滑模控製( ASMC)，應用WN構造滑模控製律的等價控製，使用閤適的自適應律在線調節網絡參數。繫統的滑模能夠保證在有限時間到達切換帶，所得到的閉環繫統是漸近穩定的。通過擾動分析錶明，所設計的控製器具有較彊的魯棒性。基于倒立襬試驗繫統的倣真及應用研究證明瞭其可行性和有效性。
재실제공제계통중，비선성、미건모동태화외우경상시불가고계혹무법측량적。채용소파망락( WN)설계동태미지적리산비선성계통지능자괄응활모공제( ASMC)，응용WN구조활모공제률적등개공제，사용합괄적자괄응률재선조절망락삼수。계통적활모능구보증재유한시간도체절환대，소득도적폐배계통시점근은정적。통과우동분석표명，소설계적공제기구유교강적로봉성。기우도립파시험계통적방진급응용연구증명료기가행성화유효성。
In practical control systems, unusually, the non-linearity, the unmodeled dynamics, and external disturbances are immeasurable and cannot be estimated. Thus the intelligent adaptive sliding mode control ( ASMC) based on wavelet network ( WN) has been designed for dynamic unknown discrete nonlinear system. The equivalent control of SMC is constructed by WN, the network parameters are tuned online by appropriate adaptive laws. The sliding mode of the system can reach the switching zone in limited time; the closed loop system obtained is asymptotically stable. The disturbance analysis indicates that the controller designed still possesses stronger robustness. The simulation based on experimental system of the inverted pendulum and application research verify its feasibility and effectiveness.
