摘要
提出一种新的变结构控制平滑方法，能够对系统的稳态误差作出定量的描述，并且给出变结构控制系统的稳态误差指标与饱和特性宽度之间定量的数学关系，通过系统的稳态误差指标，可以设计出用于平滑变结构控制系统抖振的宽度变化的饱和特性，从而既平滑了系统的抖振又满足了对系统稳态误差指标的要求，仿真结果验证了该方法的有效性。
This paper presents a method of softening chattering in variable structure control systems using a time varying boundary layer neighboring the switching surface. The mathematical relationship between the steady state error and the width of the saturating property is presented in the paper. It can describe the steady state errors quantificationally. The paper presents the mathematical relationship between the steady state error and the width of the boundary layer. Through the specification on the steady state error, the saturating property with varying width, that is the boundary layer can be designed. The method can not only eliminate the chattering, but also satisfy the specification on the steady state error. The simulation results prove the validity of the method presented in the paper.
出处
《哈尔滨工业大学学报》
EI
CAS
CSCD
北大核心
1999年第5期86-89,共4页
Journal of Harbin Institute of Technology
基金
航天基金
