Experimental analysis of a remote event-based PID controller in a flexible link system

In this work a virtual and remote lab developed to explore the properties of event-based PID controllers in a flexible link system is presented. The architecture is based on the decomposition of the system in three tiers or layers: the server, the client, and a middleware. The server layer is directly connected to the plant, the client side implements the controller and the graphical interface, and the middle-tier acts as interface between client and server. The implementation of the remote lab allows the control of a flexible link plant through a generic network. The platform is used to evaluate, with a particular case, the effectiveness of an algorithm that allows the user to find numerically the limit cycles in control schemes where the feedback is done through a level crossing sampling, and which can be applied to LTI systems with delay.

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