Observer-based dynamic event-triggered control for distributed parameter systems over mobile sensor-plus-actuator networks

doi:10.1088/1674-1056/ad1a8c

Abstract We develop a policy of observer-based dynamic event-triggered state feedback control for distributed parameter systems over a mobile sensor-plus-actuator network. It is assumed that the mobile sensing devices that provide spatially averaged state measurements can be used to improve state estimation in the network. For the purpose of decreasing the update frequency of controller and unnecessary sampled data transmission, an efficient dynamic event-triggered control policy is constructed. In an event-triggered system, when an error signal exceeds a specified time-varying threshold, it indicates the occurrence of a typical event. The global asymptotic stability of the event-triggered closed-loop system and the boundedness of the minimum inter-event time can be guaranteed. Based on the linear quadratic optimal regulator, the actuator selects the optimal displacement only when an event occurs. A simulation example is finally used to verify that the effectiveness of such a control strategy can enhance the system performance.

Keywords: distributed parameter systems event-triggered control mobile sensors mobile actuators

Received: 13 October 2023
Revised: 12 December 2023
Accepted manuscript online: 04 January 2024

PACS:	02.30.Jr	(Partial differential equations)
	07.07.Df	(Sensors (chemical, optical, electrical, movement, gas, etc.); remote sensing)
	07.05.Dz	(Control systems)

Fund: Project supported by the National Natural Science Foundation of China (Grant No. 62073045).

Corresponding Authors: Wenying Mu
E-mail: weny815@126.com

Cite this article:

Wenying Mu(穆文英), Bo Zhuang(庄波), and Fang Qiu(邱芳) Observer-based dynamic event-triggered control for distributed parameter systems over mobile sensor-plus-actuator networks 2024 Chin. Phys. B 33 040204

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