Controlling Nonlinear Hierarchical Planning by Case Replay

  • We describe a hybrid case-based reasoning system supporting process planning for machining workpieces. It integrates specialized domain dependent reasoners, a feature-based CAD system and domain independent planning. The overall architecture is build on top of CAPlan, a partial-order nonlinear planner. To use episodic problem solving knowledge for both optimizing plan execution costs and minimizing search the case-based control component CAPlan/CbC has been realized that allows incremental acquisition and reuse of strategical problem solving experience by storing solved problems as cases and reusing them in similar situations. For effective retrieval of cases CAPlan/CbC combines domain-independent and domain-specific retrieval mechanisms that are based on the hierarchical domain model and problem representation.

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Metadaten
Author:Stefan Wess, Hector Munoz-Avila, Jürgen Paulokat
URN (permanent link):urn:nbn:de:hbz:386-kluedo-1168
Document Type:Preprint
Language of publication:English
Year of Completion:1999
Year of Publication:1999
Publishing Institute:Technische Universität Kaiserslautern
Tag:Fallbasiertes Schließen; case-based reasoning
Note:
This research was partially sponsored by the Deutsche Forschungsgemeinschaft (DFG), Sonderforschungsbereich (SFB) 314: "Künstliche Intelligenz - Wissensbasierte Systeme", Project X9 (1991 - 1995).
Faculties / Organisational entities:Fachbereich Informatik
DDC-Cassification:004 Datenverarbeitung; Informatik

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