Bailing Tian

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A nonlinear robust control strategy for hypersonic vehicle in tracking the responses to a step change in altitude and airspeed is proposed. The vehicle model is nonlinear, multivariable, unstable, and includes uncertain parameters. Firstly, the analysis is conducted for the hypersonic vehicle model via input-output (I/O) linearized technique. Secondly, the(More)
A robust finite time slidingmode control strategy is proposed in this paper for a flexible air-breathinghypersonic vehicle (FAHV) model with aerodynamic parameter uncertainty. The strong coupling among theaerodynamics, the propulsion system and the flexibility effects makes the problem more challenging. Firstly, toreduce the complexity of the controller(More)
3DOF ascent phase trajectory optimization problem for minimum fuel-to-climb is investigated in the research. The Gauss Pseudospectral Method (GPM) and adaptive strategy is proposed to transcribe the trajectory optimization problem into a Nonlinear Program Problem (NLP). Then, the Sequential Quadratic Programming (SQP) integrated in a sparse nonlinear(More)
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