A SysML based-methodology for modelling disturbances in manufacturing systems using ADACOR holonic control architecture

Nowadays, industrials are looking for models and methods that are not only capable to support efficient production performances, but also reactive systems facing an increasing set of unpredicted events and perturbations. For this reason, manufacturing control systems must include mechanisms that cope with the complexity and unpredictability related with disturbances and perturbations that may appear in the system. In this paper we propose a methodology based on SysML language and holonic architecture “ADACOR” for modelling the sources of disturbance and its management in manufacturing systems. In the proposed methodology we show how we use SysML diagrams to estimate the future performances in a reactive mode and how to switch between the scheduling and control in the case of unpredictability. In order to validate the proposed methodology, a case study has been conducted on a welding cell. As a result, we noticed that the unpredictable events are controlled in such a way that we assure a continuous production.