| In this paper, the application of the Fuzzy Control System(FCS) in the turbojet engine speed control system is studied, and several design methods and their advantages and disadvantages of FCS are discussed from various angles. As a result, a fuzzy Variable Structure Controller for the turbojet engine speed of a missile is designed. A MSP MCU is served as the digital controller. By simulation and theories analyse of the phase track figure, parameter of the turbojet engine speed control system are determinated. The respective influence on the performance of the Turbojet engine speed control system are studied,which helps to optimize the design. The chattering problem is solved through a simple method. By experiments, the curve of respongse is presented to various input. The simulation and test result show that the FCS designed here can satisfy the performance requirements of the missile. And it is practical in engineering. |
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