Characteristic model and its applications in Mars aerocapture guidance

Abstract

Listen

Translate article

Mars exploration has been a hot spot around the world in the field of deep space exploration in recent years. Low-cost space transport is one of the key factors in space exploration and development, and aerodynamic assisted orbit change will reduce space vehicle design costs. Aerocapture is a form of aerodynamically assisted orbit shift, referring to the use of the aerodynamic force generated by the planetary atmosphere to minimize the energy of the orbit and the transfer of the hyperbolic orbit to the target orbit. There is only one opportunity to fulfill the aerocapture mission, and the criterion for reliability is very high. Because the aerocapture guidance and accuracy and robustness of the control are very poor, a smart and autonomous guidance system is required. The characteristic model-based guidance approach has a broad application potential and has high adaptability, robustness, and autonomy. The research status and progress of the theory of characteristic model and its application in Mars aerocapture guidance are reviewed, and the problems to be solved are put forward, which provides the basis for further research.