IPCA, an Architecture for Planning and Real-time Plan Execution

Bill Punch, David Decker, Jon Sticklen, James McDowell

IPCA (Intelligent Process Control Architecture) is an archi-tecture for plan development and plan execution. IPCA is rooted in the Generic Task (GT) approach to knowledge-based systems and incorporates plan generation and real-time plan execution momtoring components. The plan gen-eration component produces a state-based process control plan representation which typically contains a collection of possible paths from initial to desired process states. Selec-tion of the precise path taken through the process control plan is determined by a plan execution monitoring compo-nent. The plan execution monitor incrementally determines in real time appropriate partial paths through the process control plan based on sensory input gathered from real-time process monitoring. This real-time selection of appropriate plan fragments and control methods contained in the pro-cess control plan is facilitated through the use of a sponsor-selector mechanism. The usefulness of this approach to intelligent control is demonstrated by applying the architec-ture to the control of a microwave-based composite mate-rial fabrication process. Experimental results demonstrate the effectiveness of IPCA in this domain.

This page is copyrighted by AAAI. All rights reserved. Your use of this site constitutes acceptance of all of AAAI's terms and conditions and privacy policy.