MACHINE LEARNING IN HYBRID HIERARCHICAL AND PARTIAL-ORDER PLANNERS FOR MANUFACTURING DOMAINS

Authors: Fernández, Susana; Aler, Ricardo; Borrajo, Daniel

Source: Applied Artificial Intelligence, Volume 19, Number 8, Number 8/September 2005 , pp. 783-809(27)

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Abstract:

The application of AI planning techniques to manufacturing systems is being widely deployed for all the tasks involved in the process, from product design to production planning and control. One of these problems is the automatic generation of control sequences for the entire manufacturing system in such a way that final plans can be directly used as the sequential control programs which drive the operation of manufacturing systems. HYBIS is a hierarchical and nonlinear planner whose goal is to obtain partially ordered plans at such a level of detail that they can be used as sequential control programs for manufacturing systems. Currently, those sequential control programs are being generated by hand using modeling tools. This document describes a work aimed to improve the efficiency of solving problems with HYBIS by using machine learning techniques. It implements a deductive learning method that is able to automatically acquire control knowledge (heuristics) by generating bounded explanations of the problem-solving episodes. The learning approach builds on HAMLET, a system that learns control knowledge in the form of control rules.

Document Type: Research article

DOI: http://dx.doi.org/10.1080/08839510490964491

Affiliations: 1: Departamento de Informática, Universidad Carlos III of Madrid, Leganés (Madrid), Spain

Publication date: 2005-09-01

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