On the Application of Different Event-Based Sampling Strategies to the Control of a Simple Industrial Process
AbstractThis paper is an experimental study of the utilization of different event-based strategies for the automatic control of a simple but very representative industrial process: the level control of a tank. In an event-based control approach it is the triggering of a specific event, and not the time, that instructs the sensor to send the current state of the process to the controller, and the controller to compute a new control action and send it to the actuator. In the document, five control strategies based on different event-based sampling techniques are described, compared, and contrasted with a classical time-based control approach and a hybrid one. The common denominator in the time, the hybrid, and the event-based control approaches is the controller: a proportional-integral algorithm with adaptations depending on the selected control approach. To compare and contrast each one of the hybrid and the pure event-based control algorithms with the time-based counterpart, the two tasks that a control strategy must achieve (set-point following and disturbance rejection) are independently analyzed. The experimental study provides new proof concerning the ability of event-based control strategies to minimize the data exchange among the control agents (sensors, controllers, actuators) when an error-free control of the process is not a hard requirement. View Full-Text
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Sánchez, J.; Guarnes, M.Á.; Dormido, S. On the Application of Different Event-Based Sampling Strategies to the Control of a Simple Industrial Process. Sensors 2009, 9, 6795-6818.
Sánchez J, Guarnes MÁ, Dormido S. On the Application of Different Event-Based Sampling Strategies to the Control of a Simple Industrial Process. Sensors. 2009; 9(9):6795-6818.Chicago/Turabian Style
Sánchez, José; Guarnes, Miguel Á.; Dormido, Sebastián. 2009. "On the Application of Different Event-Based Sampling Strategies to the Control of a Simple Industrial Process." Sensors 9, no. 9: 6795-6818.