This paper presents the incremental development of a DSS meant to support various management and control tasks in the continuous process industry. It refers the statc of-the-art in modelling for production scheduling and discusses related problems in this industrial milieu. In particular, the negotiation problem of the external flows from material suppliers/ to clients is proposed to solve and the extended scheduling problem is introduced
DSS, intelligent control, incremental design, modelling, process industry, scheduling, virtual manufacturing