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A kind of Sliding mode controller is designed for a kind of pitch channel model of hypersonic aircrafts. The main task is to realize attack angle tracking of hypersonic aircrafts. Compared with traditional sliding mode design method, the main difference is that the sign function is not used and a kind of proportional control item is directly used to reduce the chattering phenomenon. At last, detailed simulations are done to show the rightness of the proposed method.

Sliding Mode Control Of Pitch Channel Nonlinear Model Of A Kind Of High Speed Vehicles Without Sign Function