Th is paper introduced the fuzzy cont1fol into the variabl e st ruct ure control , hi ch combined the two control methods " nleri ts , real ize ( l the rapi d response , robustness of the systen1 , and el iminated the chattering , thus provided a new method for the app1 icat ion of the variable structure contro1 and the fuzzy contro1 本文采用在变结构控制器中引入模糊控制器,结合两种控制器的优点,即保证了系统响应的快速性,鲁棒性,又有效地消除了颤振,从而为变结构控制器和模糊控制器的应用提供了一种新的思路。
An sm based identifier is presented to deal with the parameter identification problem for a class of parameter uncertain nonlinear dynamic systems with input nonlinearity . an smc algorithm is employed to ensure the global reaching condition of the sliding mode for the nonlinear system , and an identifier is designed to identify the uncertain parameters of the nonlinear system 论文的主要内容如下:针对一类相对于输入为非线性的系统,设计了滑模变结构控制器保证非线性系统的全局渐近稳定,在此基础上,考虑到系统运行在滑模面上时所具有的特点,提出了一种基于滑模变结构控制的参数辨识方法来辨识非线性系统的未知参数。
In the research of non - liner variable control methods , the paper brought forward a kind of variable structure control machine with time - changing , non - liner , " standard time optimization " on - off super curved surface . the automatic system designed had quick dynamics - respondence , little , powerful robu 在非线性变结构控制方法研究中,本文提出了一种具有时变、非线性、 “准时间最优”开关超曲面的变结构控制器,由此所设计的控制系统动态响应速度快,超调小,鲁棒性强,无稳态误差。
Under different conditions , for example , with variable additional resists or system parameters , the system applies the variable structure controller to adjust the speed system with train . the results of simulation show the variable structure control can achieve a fast response , high stability under parametric variations and disturbances , with no overshoot . additionally , it has stability for the adjustment speed of atcs and provides the comfortable speed , for the travelers , and improves the system performance 采用变结构理论分析在不同情况下,如附加阻力变化,系统参数变化等,仿真滑模变结构控制器控制的列车自动调速控制系统,仿真结果表明,滑模变结构控制的列车自动调速控制系统能实现速度响应快、无超调,系统对参数的摄动和外部干扰不敏感,实现列车自动控制系统的速度调节的稳定性,保证旅客的舒适,改善了系统性能。
Based on state observer , the problem of decentralized variable - structure stabilization is investigated for a class of uncertain linear large - scale systems with parametric perturbation and interconnections and external disturbance , the proposed design is simple and the asymptotic stability of the closed - loop systems can be guaranteed 摘要基于状态观测器,给出了具有参数摄动、关联影响和外界干扰等不确定因素影响的线性组合大系统的一种分散变结构控制器的设计方法,该控制器设计简单并能保证闭环大系统的全局渐近稳定。