TY - GEN
T1 - Reentry trajectory optimization of airbreathing hypersonic vehicles based on Gauss pseudospectral method
AU - Yang, Bo
AU - Sun, Shang
PY - 2012
Y1 - 2012
N2 - According to the nonlinear, multivariable and multi-constraint features of the reentry trajectory optimization problem of airbreathing hypersonic vehicles, a suboptimal solution method is developed. The reentry trajectory generation is converted to a nonlinear programming (NLP) problem by using Gauss pseudospectral method (GPM). The state and control variables on Gauss nodes are chosen as parameters to be optimized and the minimum total heat absorption is chosen as the optimal performance index. Then the sequential quadratic programming (SQP) method is used to solve the NLP problem. The states of optimized trajectory are compared with the states obtained by the integral of kinetic equations. By simulating on an example of airbreathing hypersonic vehicles, it is demonstrated that the above method is not sensitive to the estimate of motion states and is easier to converge. And the method is effective to solve trajectory optimization problems.
AB - According to the nonlinear, multivariable and multi-constraint features of the reentry trajectory optimization problem of airbreathing hypersonic vehicles, a suboptimal solution method is developed. The reentry trajectory generation is converted to a nonlinear programming (NLP) problem by using Gauss pseudospectral method (GPM). The state and control variables on Gauss nodes are chosen as parameters to be optimized and the minimum total heat absorption is chosen as the optimal performance index. Then the sequential quadratic programming (SQP) method is used to solve the NLP problem. The states of optimized trajectory are compared with the states obtained by the integral of kinetic equations. By simulating on an example of airbreathing hypersonic vehicles, it is demonstrated that the above method is not sensitive to the estimate of motion states and is easier to converge. And the method is effective to solve trajectory optimization problems.
KW - Airbreathing hypersonic vehicle
KW - Gauss pseudospectral method
KW - Minimum total heat absorption
KW - Sequential quadratic programming
KW - Trajectory optimization
UR - https://www.scopus.com/pages/publications/83755173860
U2 - 10.4028/www.scientific.net/AMR.383-390.7375
DO - 10.4028/www.scientific.net/AMR.383-390.7375
M3 - 会议稿件
AN - SCOPUS:83755173860
SN - 9783037852958
T3 - Advanced Materials Research
SP - 7375
EP - 7380
BT - Manufacturing Science and Technology
T2 - 2011 International Conference on Manufacturing Science and Technology, ICMST 2011
Y2 - 16 September 2011 through 18 September 2011
ER -