Minimum-violation LTL planning with conflicting specifications
Author(s)
Tumova, Jana; Reyes Castro, Luis Ignacio; Karaman, Sertac; Frazzoli, Emilio; Rus, Daniela L.
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We consider the problem of automatic generation of control strategies for robotic vehicles given a set of high-level mission specifications, such as “Vehicle x must eventually visit a target region and then return to a base,” “Regions A and B must be periodically surveyed,” or “None of the vehicles can enter an unsafe region.” We focus on instances when all of the given specifications cannot be reached simultaneously due to their incompatibility and/or environmental constraints. We aim to find the least-violating control strategy while considering different priorities of satisfying different parts of the mission. Formally, we consider the missions given in the form of linear temporal logic formulas, each of which is assigned a reward that is earned when the formula is satisfied. Leveraging ideas from the automata-based model checking, we propose an algorithm for finding an optimal control strategy that maximizes the sum of rewards earned if this control strategy is applied. We demonstrate the proposed algorithm on an illustrative case study.
Description
Original manuscript March 15, 2013
Date issued
2013-06Department
Massachusetts Institute of Technology. Department of Aeronautics and Astronautics; Massachusetts Institute of Technology. Department of Electrical Engineering and Computer ScienceJournal
Proceedings of the 2013 American Control Conference (ACC)
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Citation
Tumova, Jana et al. "Minimum-violation LTL planning with conflicting specifications." IEEE American Control Conference, 2013.
Version: Original manuscript
ISBN
978-1-4799-0178-4