摘要
Dear Editor,This letter investigates the fixed-time trajectory tracking controller design for nonholonomic chained systems with static state constraints.Firstly,a fixed-time tracking control law is given to carry out relay switching,which divides the controller development process into two stages.
基金
supported by the National Natural Science Foundation of China(62173207,62003148)
the China Postdoctoral Science Foundation(2021M691277)
the Youth Innovation Team Project of Colleges and Universities in Shandong Province(2022KJ176)。
