Event-Triggered and Self-Triggered Control in Wireless Network Systems

Dear Colleagues,

The rapid development of computer and communication technologies has enabled the evolution of many wireless networked control system applications. However, the amount of information transmitted in these applications is growing progressively, and communication is often expensive. For example, it takes significant percentages of computation and energy resources in embedded devices, limiting the bandwidth of other devices in shared networks. In order to efficiently use available resources (communication, computation, and energy), the traditional time-triggered control paradigm through which control tasks are periodically executed from regularly sampled data is not adequate. In fact, more resource-efficient communication protocols can be obtained by paying attention to substantial changes observed or expected in regards to relevant variables of the control system. Hence, the time-triggered paradigm is being replaced by event-triggered or self-triggered control frameworks, where either the system reacts to certain events and triggers the control task (event-triggered control), or the system is able to proactively precompute the next event time (self-triggered control). These frameworks must naturally also cope with undesired network effects such as network-induced delays and packet dropouts.

The purpose of this Special Issue is to offer a forum for the dissemination of novel and original works concerning event-triggered and self-triggered control in wireless networked control systems, offering approaches to open problems, revisiting known challenges with fresh perspectives, presenting reviews of the state of the art, and describing solutions to practical problems.

We invite contributions to this Special Issue concerning topics including, but not limited to, the following:

• Self-triggered control;
• Event-triggered control;
• Wireless networked control systems;
• Resource efficiency;
• Network-induced delays;
• Packet dropouts;
• Predictor–observer-based control.

Prof. Dr. Ángel Cuenca
Dr. Duarte José Antunes
Guest Editors

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