Research On Fault ToLerant Controller Design Strategies For Linear System

When some components are failed,Fault-tolerant control system is what can still guarantees the original performance indix or performance index becomes lower slightly,but in the acceptable range,and complete the control tasks safely.Fault-tolerant control is an important technology of improving control system security.Therefore,there are important theoretical significance and practical application inresearchingfault-tolerant control.There are two main research contents in the article,one is the design of division fault-tolerant controller linear continuous system on different conditions;the second is to study the problem of fault-tolerant control variable delays continuous system.Specific content is following:The taking steps thought and the design of fault-tolerant controller of linear system are put forward in this paper.And when there are strict order relations for multiple actuator failure,we study the linear continuous system taking steps of fault-tolerant controller design and guaranteed performance fault-tolerant controller designed method of linear uncertain system.We researchthe design of fault-tolerant controller of linear system when theactuator fails on more normal conditions and removethe actuator fault that is in strict orderrelations.The concept of minimum point concept is put forward in this paper,and we get conditionsof choosing whether the system exists for all stable actuators occurs.The robust fault-tolerant control problem of a class linear system is also studied in this paper,the main way is through Lyapunov stability theory,linear matrix inequality theory,we mainly research how to find the appropriate control design methods when the system with nonlinear terms,uncertainties and actuator part fails.In the actual project,part of the system failure is common,and it would seriously affect the overall system,so it is worth further study.