Berlin: VEB Verlag Technik, 1989.
Abstract: The paper deals with the design of discrete controllers for chemical batch processes based on process models. In a model hierarchy, Petri nets are used to model coordination tasks. Condition/Event systems are used to model very simple production systems, Place/Transition nets are applied to more complex sytems and Predicate/Transition nets are used for large scale systems modelling. Referring to a technological example, the basic concepts of net modelling are explained, exspecially for chemical engineers.
Keywords: discrete controller; chemical batch process; predicate/transition net.