Abstract:

To deal with the problem of virtual control error and control efficiency counteracts under interactions for multiple effectors aircraft, a modified sequential quadratic programming (SQP) based control allocation scheme is proposed. By taking the parameters of control deflections as the optimization objective, the linear programming and quadratic programming-based linear control allocation methods are researched respectively based on the assumption of linear control efficiencies. Furthermore, by considering the nonlinear interactions, the sequential linear programming and SQP based control allocation models are built. A modified Hessian matrix is designed and applied to solve the SQP problem optimally. Simulation results show that the modified SQPbased control allocation scheme can utilize all the interactional control effectors reasonably to achieve the nonlinear allocation, which is better than the linear programming, quadratic programming and sequential linear programming control allocation.