Quality of Service of Communication Networks and Distributed Automation: Models and Performances

Evaluation of response time in ethernet-based automation systems

“…Indeed, this is the conjunction between the three delays in all components of the route which has the major influence on the response time. That is the reason why it is necessary to study the whole automation system, including controllers, network devices, and software as it has been initiated in process control area [6]. However, if Fig.…”

“…In these two cases, network performances impact different features. If the network connects a continuous process to controllers, the main feature that is impacted is stability [6] of the closed loop system while if focusing on control of DES it is the reactivity of the automation system. That includes both controllers and the network, which is modified when network performances change.…”

Open Issues in Fieldbus Based Systems

“…The combination of performance evaluation and of proofs including the application processes and the communication functions will be presented in the next paper by Juanole (Juanole, 2002).…”