PERFORMANCE EVALUATION FOR CONCURRENT PROCESSING IN CYCLIC SYSTEMS

A new technique for modelling and performance evaluation of a loosely synchronized system composed of a set of cyclic processes interacting via shared and reusable resources is presented. Analytical models rela ting system dynamics to the behaviour of component processes are consi dered. Their application within a framework of self-synchronization is discussed. The approach is applicable to cyclic concurrently interact ing processes, the evolution of which depends on the complex interacti ons of various discrete events such as the arrival or departure of a j ob or the initiation and completion of a task. The analysis is illustr ated using the example of a robotized flexible assembly system, where one of the main concerns is optimization of a performance index relate d to the system steady-state behaviour.