Plan synthesis: a logical perspective

  • Authors:
  • Stanley J. Rosenschein

  • Affiliations:
  • Artificial Intelligence Center, SRI International

  • Venue:
  • IJCAI'81 Proceedings of the 7th international joint conference on Artificial intelligence - Volume 1
  • Year:
  • 1981

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Abstract

This paper explores some theoretical issues of robot system planning from the perspective of propositional dynamic logic. A generalized notion of "progression" and "regression" of conditions through actions is developed. This leads to a bidirectional single - level planning algorithm that Is easily extended to hierarchical planning. Multiple pre-/postcondition pairs, complex (e.g., conjunctive, disjunctive) goals, goals of maintenance and prevention, and plans with tests are all handled in a natural way. The logical framwork is used to clarify gaps in existing "nonlinear" and "hierachical" planning strategies.