控制理论与应用2003,Vol.20Issue(2):173-179,7.
一类不确定非线性系统的鲁棒输出反馈跟踪
Robust output feedback tracking for a class of uncertain nonlinear systems
摘要
Abstract
An output feedback tracking strategy for a class of uncertain nonlinear systems in strict feedback form is proposed. The uncertain nonlinearities of the system do not need to obey the linear growth conditions. A high-gain differential observer is used to estimate the derivatives of the tracking error. Instead of these signals themselves, their signs are used in a special variable structure observer. The controller is then designed via backstepping procedure. It can guarantee the boundedness of all signals in the whole closed-loop system. The tracking error can be limited in any desirable range.关键词
鲁棒控制/不确定非线性/输出反馈/变结构观察器/backstepping过程Key words
robust control/uncertain nonlinear system/output feedback/variable structure observer/backstepping procedure分类
信息技术与安全科学引用本文复制引用
张侃健,冯纯伯,费树岷..一类不确定非线性系统的鲁棒输出反馈跟踪[J].控制理论与应用,2003,20(2):173-179,7.基金项目
supported by the National Natural Science Foundation of China (69934010). (69934010)