Title :
A method of guidance, navigation and control for soft landing on asteroid based on constrained MPC
Author :
Wei Ruoyan ; Ruan Xiaogang ; Zhu Xiaoqing ; Ouattara Sie ; Xiao Yao
Author_Institution :
Sch. of Electron. Inf. & Control Eng., Beijing Univ. of Technol., Beijing, China
Abstract :
For the problem of autonomous optical GNC for soft landing on asteroid, a method based on constrained MPC (Model Predictive Control) is proposed in this paper. First, introduce the strategy of soft landing on asteroid based on autonomous optical system. Second, the desired trajectory, position and velocity that satisfy the requirement is planned. Third, the control method of constrained MPC and EKF is applied to ensure the fast and accurate response to the robustness of guidance law. Finally, a serious of comparison with PD and VSC are conducted to test the performance of MPC.
Keywords :
Kalman filters; PD control; aircraft landing guidance; asteroids; entry, descent and landing (spacecraft); nonlinear filters; path planning; predictive control; EKF; PD; VSC; autonomous optical GNC; constrained MPC; guidance-navigation-and-control method; model predictive control; position planning; soft landing control; trajectory planning; velocity planning; Aircraft; Cameras; Navigation; Probes; Robustness; Space vehicles; Trajectory; Asteroid; Autonomous optical GNC; Constrained MPC; Soft land;
Conference_Titel :
Intelligent Control and Automation (WCICA), 2014 11th World Congress on
DOI :
10.1109/WCICA.2014.7053421
