A Timeline Representation for the Jade Rabbit Rover
In China’s “Chang’e 3” mission, an action-based planning (ABP) method was used to support the “Jade Rabbit” rover to complete its scientific missions. However, ABP supports limited flexibility in plan execution, and requires a lot of re-planning efforts. Here we propose to use another well-known planning framework – the timeline-based planning (TLBP), to model and solve the mission. TLBP planners can generate plans with temporal constraints, which supports a flexible execution of the plans. Our first contribution is to demonstrate how object-oriented modelling can be used to represent the control problem of the “Jade Rabbit” in a language called NDDL. Second, we use the resulted problems to show that these problems challenge a state-of-the-art TLBP planner EUROPA. Also, the problems we encoded are of varying size, and provides a new benchmark for the TLBP community.
KeywordsKnowledge engineering Automated planning Constraint reasoning
This research was funded by the Open Research Foundation of Science and Technology on Aerospace Flight Dynamics Laboratory (Beijing Space Control Center) (2014afdl002).
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