Event-Triggered Dynamic Output Feedback Control of LTI Systems over Sensor-Controller-Actuator Networks

Abstract — This paper presents the design of event-triggered output feedback controllers for LTI systems over Sensor-Controller-Actuator Networks (SCAN). The SCAN is divided into three functional layers- sensor layer, controller layer and the actuator layer, each layer consisting of several nodes. The communication between the nodes is intermittent and event-triggered. Further, the flow of information occurs from the sensor to controller to actuator layer with the intra-layer communication occurring only in the controller layer. The event-triggers are designed to utilize only locally available information, making the nodes ’ transmissions asynchronous. The proposed control design guarantees global asymptotic stability of the origin of the system and a positive lower bound for the inter-transmission times of each node individually. The proposed design method is illustrated through simulation results. I