Title: Optimization Design of Decentralized Control for Complex Decentralized Systems,
Abstract: A new method is developed to deal with the problem that a complex
decentralized control system needs to keep centralized control performance. The
systematic procedure emphasizes quickly finding the decentralized
subcontrollers that matching the closed-loop performance and robustness
characteristics of the centralized controller, which is featured by the fact
that GA is used to optimize the design of centralized H-infinity controller
K(s) and decentralized engine subcontroller KT(s), and that only one interface
variable needs to satisfy decentralized control system requirement according to
the proposed selection principle. The optimization design is motivated by the
implementation issues where it is desirable to reduce the time in trial and
error process and accurately find the best decentralized subcontrollers. The
method is applied to decentralized control system design for a short takeoff
and landing fighter. By comparing the simulation results of the decentralized
control system with those of the centralized control system, the target of the
decentralized control attains the performance and robustness of centralized
control is validated.