Abstract
Recent developments in computer and communication technologies have led to a new type of large-scale resource-constrained wireless embedded control systems. It is desirable in these systems to limit the sensor and control computation and/or communication to instances when the system needs attention. However, classical sampled-data control is based on performing sensing and actuation periodically rather than when the system needs attention. This paper provides an introduction to event- and self-triggered control systems where sensing and actuation is performed when needed. Event-triggered control is reactive and generates sensor sampling and control actuation when, for instance, the plant state deviates more than a certain threshold from a desired value. Self-triggered control, on the other hand, is proactive and computes the next sampling or actuation instance ahead of time. The basics of these control strategies are introduced together with a discussion on the differences between state feedback and output feedback for event-triggered control. It is also shown how event- and self-triggered control can be implemented using existing wireless communication technology. Some applications to wireless control in process industry are discussed as well.
Original language | English |
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Title of host publication | 51st IEEE Conference on Decision and Control, CDC 2012 |
Place of Publication | Piscataway |
Publisher | Institute of Electrical and Electronics Engineers |
Pages | 3270-3285 |
Number of pages | 16 |
ISBN (Print) | 978-1-4673-2065-8 |
DOIs | |
Publication status | Published - 1 Dec 2012 |
Event | 51st IEEE Conference on Decision and Control, CDC 2012 - Maui, United States Duration: 10 Dec 2012 → 13 Dec 2012 Conference number: 51 |
Conference
Conference | 51st IEEE Conference on Decision and Control, CDC 2012 |
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Abbreviated title | CDC 2012 |
Country/Territory | United States |
City | Maui |
Period | 10/12/12 → 13/12/12 |