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Managers need to create and sustain internal systems and controls to ensure that their customer focused strategies are being implemented. Companies are currently in a spiral of permanent optimization. Accordingly, many companies turn to their core activity. In this framework, one notices the development of the concept of "industrial partnership". In this context and to control the Customer-Supplier Relationships (CSR), we proposed a selforganized control model in which all partner entities (Customers/Suppliers) negotiate to guarantee good quality connections between customers and suppliers. This means meeting customer expectations as closely as possible and respecting supplier capacities. In this proposal, self-organized control is characterized more precisely by an organizational architecture of the flat holonic form type. This flat holonic form is based on the concept of Autonomous Control Entity (ACE). The holonic architecture, the behaviour of an ACE, the interaction mechanisms between ACEs and the self-evaluation supplier process are presented, and then the modelling of ACEs using DEVS (Discrete EVent system Specification) is described. An implementation of the simulation of such a system was done via a distributed simulation environment HLA (High Level Architecture). A case study illustrating the proposed approach is presented.

Today's suppliers are challenged to deliver quality to their customers. Managers need to create and sustain internal systems and controls to ensure that their customers-focused strategies are being implemented.Many companies increasingly turn to their core activities to improve their reactivity and to manage their costs. This paper proposes an approach for self-organized control of relations between companies in which all the members of a partnership negotiate to guarantee good quality connections between customers and suppliers.Each partner is associated with a decision-making entity named "Autonomous Control Entity" (ACE) through which he can evaluate his performance. The integration of these ACEs into a holonic control system is presented. Operations of an ACE have been modelled through the Discrete EVent system Specification (DEVS) formalism. Then, the validation of such a control system for a self-organized logistic partnership network was done through a distributed High Level Architecture (HLA) simulation environment. His main current interests are specification formalisms of hybrid models, discrete event simulation of hybrid systems, CAD systems and Design Automation.

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