Closed-Loop Aeromaneuvering for a Mars Precision Landing

Details Closed-Loop Aeromaneuvering for a Mars Precision Landing Closed-Loop Aeromaneuvering for a Mars Precision Landing

Feb 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997taea....1..942s&link_type=abstract

NASA University Research Centers Technical Advances in Education, Aeronautics, Space, Autonomy, Earth and Environment, vol. 1, p

Physics

Mars Landing, Actuators, Aeromaneuvering, Feedback Control, Mars Pathfinder, Center Of Mass, Lift, Roll, Simulation

Scientific paper

Controlled aeromaneuvering is considered as a means of achieving a precisely targeted landing on Mars. This paper presents a preliminary study of the control issues. The candidate vehicle is the existing Mars Pathfinder augmented with roll thrusters and a center of mass offset actuator. These allow control of both bank angle and lift force, giving the ability to control the range and cross-track during the aeromaneuvering entry. A preliminary control system structure is proposed and a design simulation illustrates significant targeting improvement under closed-loop control.

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