Hierarchical scheduling in an intelligent environmental control system

Authors:
Tag Gon Kim;Bernard P. Zeigler
Affiliations:
Univ. of Arizona, Tuscon;Univ. of Arizona, Tuscon
Venue:
IEA/AIE '89 Proceedings of the 2nd international conference on Industrial and engineering applications of artificial intelligence and expert systems - Volume 1
Year:
1989

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Abstract

This paper describes design and implementation of the hierarchical scheduling subsystem and graphical user interface in an intelligent environmental control system. The hierarchical scheduling system is capble of managing all environmental events occuring in widely different time scales as specified by the user. We employ a knowledge representation scheme called system entity structure to specify the environmental schedules in a hierarchical fashion. A system entity structure called TAL (Timed Action Language) is developed. TAL organizes a family of all possible long-/mid-/short-term schedules from which a specific schedule can be pruned by the user through graphical interface.