Multivariable Direct Adaptive Decoupling Controller Using Multiple Models and a Case Study
In this paper,a multivariable direct adaptive controller using multiple models without minimum phase assumption is presented to improve the transient response when the parameters of the system jump abruptly.The controller is composed of multiple fixed controller models,a free-running adaptive controller model and a re-initialized adaptive controller model.The fixed controller models are derived from the corresponding fixed system models directly.The adaptive controller models adopt the direct adaptive algorithm to reduce the design calculation.At every instant,the optimal controller is chosen out according to the switching index.The interaction of the system is viewed as the measured disturbance which is eliminated by the choice of the weighting polynomial matrix.The global convergence is obtained.Finally,several simulation examples in a wind tunnel experiment are given to show both effectiveness and practicality of the proposed method.The significance of the proposed method is that it is applicable to a non-minimum phase system,adopting direct adaptive algorithm to overcome the singularity problem during the matrix calculation and realizing decoupling control for a multivariable system.
multivariable multiple models decoupling non-minimum phase direct adaptive
Xin WANG Hui YANG Shao-yuan LI Yi-hui ZHENG
Center of Electrical & Electronic Engineering,Shanghai Jiao Tong University,Shanghai,200240,P.R.Chin School of Electrical & Electronic Engineering,East China Jiao Tong University,Jiangxi,330013,P.R.Chi Institute of Automation,Shanghai Jiao Tong University,Shanghai,200240,P.R.China Center of Electrical & Electronic Engineering,Shanghai Jiao Tong University,Shanghai,200240,P.R.Chin
国际会议
International Conference on Modelling,Identification and Control(模拟、鉴定、控制国际会议)
上海
英文
2008-06-29（万方平台首次上网日期，不代表论文的发表时间）