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Supporting a multicriterion decision making and multi-agent negotiation in manufacturing systems

For decision support systems, the software agents' integration provides an automated, cost-effective means for making decisions. The agents in the system autonomously plan and pursue their actions and sub-goals to cooperate, coordinate, and negotiate with others, and to respond flexibly and intelligently to dynamic and unpredictable situations. In real time production management, the DSS memorizes the current state of the workshop. It knows constantly all possible decisions and the possible events involved. We distinguish 3 contexts for the decision-making aid: (1) Decision-making aid in the context of an acceptable sequence; (2) Assistance for the admissibility covering; and (3) negotiation support among different decision-making centers in a dynamic context. The present paper proposes an agent architecture-based DSS in order to solve some uncertainty problems in dynamic production system scheduling. The proposed DSS gives the decision centers the opportunity to make decisions in a dynamical context. Specifically, Integrated Station of Production agents will be equipped with a sufficient behavior to carry out practical operations and simultaneously react to the complex problems caused by the dynamic scheduling in real situations. These atents express their preferences by using ELECTRE III method in order to solve differences. The negotiation mechanism is based on the well-known Contract Net Protocol. The approach is tested through simple scenarios.