For a large class of discrete-time multivariable plants with arbitrary relative degrees, the design and analysis of the direct model reference adaptive control scheme are investigated under less restrictive assumption...For a large class of discrete-time multivariable plants with arbitrary relative degrees, the design and analysis of the direct model reference adaptive control scheme are investigated under less restrictive assumptions. The algorithm is based on a new parametrization derived from the high frequency gain matrix factorization Kp=LDU under the condition that the signs of the leading principal minors of/fp are known. By reproving the discrete-time Lp and L2σ norm relationship between inputs and outputs, establishing the properties of discrete-time adaptive law, defining the normalizing signal, and relating the signal with all signals in the closed-loop system, the stability and convergence of the discrete-time multivariable model reference adaptive control scheme are analyzed rigorously in a systematic fashion as in the continuous-time case.展开更多
A modling and analysis approach is proposed for Command,Control,Communication,and inteligence(C3I)systems in complex combat environments.This approach is carried out by characterizing both the basic quantities that ar...A modling and analysis approach is proposed for Command,Control,Communication,and inteligence(C3I)systems in complex combat environments.This approach is carried out by characterizing both the basic quantities that are dispeusible for describing the system,and the causal relations among the quantities.The model of the system is determined by identifying the types of the causal relations among the quantities.By using this approach an example for a C3I system in an antiair battle is analyzed in detail.展开更多
基金Program for New Century Excellent Talents in Universities of China (No.NCET-05-0607)National Natural Science Foundation ofChina (No.60774010).
文摘For a large class of discrete-time multivariable plants with arbitrary relative degrees, the design and analysis of the direct model reference adaptive control scheme are investigated under less restrictive assumptions. The algorithm is based on a new parametrization derived from the high frequency gain matrix factorization Kp=LDU under the condition that the signs of the leading principal minors of/fp are known. By reproving the discrete-time Lp and L2σ norm relationship between inputs and outputs, establishing the properties of discrete-time adaptive law, defining the normalizing signal, and relating the signal with all signals in the closed-loop system, the stability and convergence of the discrete-time multivariable model reference adaptive control scheme are analyzed rigorously in a systematic fashion as in the continuous-time case.
文摘A modling and analysis approach is proposed for Command,Control,Communication,and inteligence(C3I)systems in complex combat environments.This approach is carried out by characterizing both the basic quantities that are dispeusible for describing the system,and the causal relations among the quantities.The model of the system is determined by identifying the types of the causal relations among the quantities.By using this approach an example for a C3I system in an antiair battle is analyzed in detail.
