On Nonlinear Approximate Optimal Controllers for Disturbance Rejection

摘要：

This paper considers the feedforward and feedback optimal controller design problem for a class of nonlinear systems with external disturbances.An approximate optimal control algorithm is developed.By constructing the sequences to decoupling the nonlinear two-point boundary value(TPBV)problems,the original optimal controI problem is transformed into a sequence of nonhomogeneous linear TPBV problems.The optimal control Iaw is obtained by iterative solving the constructing sequences.Which consists of accurate Iinear feedforward and feedback terms and a nonlinear compensation term.By using the finite-step iteration of the nonlinear compensation sequence.we can obtain a suboptimal control law.Simulations indicate the algorithm is efficient and robust with respect to persistent disturbances.

关键词： nonlinear systems disturbances approximate optimal controller

作者: De-Xin Gao Wen-Wu Zhang

会议类型: 国际会议

会议名称: The International Conference Information Computing and Automation(2007国际信息计算与自动化会议)

会议地点: 成都

会议语种:英文

页码: 239-242

在线出版日期: 2007-12-19（万方平台首次上网日期，不代表论文的发表时间）