Finite-time control method for pulse switching positive systems based on event triggering mechanism

By constructing a pulse-switched positive system based on average dwell time, and designing a simple event triggering mechanism and controller, the problems of complexity and performance degradation of the pulse-switched positive system are solved, finite-time bounded control is achieved, and computational and communication resources are saved.

CN116859751BActive Publication Date: 2026-06-30WENZHOU UNIV OUJIANG COLLEGE
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
WENZHOU UNIV OUJIANG COLLEGE
Filing Date
2023-08-10
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

The existing event-triggered control method for pulse-switched positive systems is too complex, and the system performance deteriorates under pulse and external environmental interference.

Method used

Construct a pulse-switched positive system with nonlinear and disturbance terms, define a switching signal based on the average dwell time, and design an event triggering mechanism and controller. Construct parameters by solving linear matrix inequalities, reconstruct the switching signal and event triggering controller, and realize finite-time bounded control.

Benefits of technology

The event triggering mechanism is simplified, the cost of computing and communication resources is reduced, and the system performance remains stable under the influence of impulses and disturbances, achieving finite-time boundedness.

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Abstract

This invention provides a finite-time control method for a pulse-switched positive system based on an event-triggered mechanism. The method includes constructing a pulse-switched positive system with nonlinear and disturbance terms, applying sector constraints to the nonlinear terms and boundedness constraints to the disturbance terms; defining the switching signal in the pulse-switched positive system based on the average dwell time; defining the event-triggered error of the pulse-switched positive system to design the event-triggered mechanism and event-triggered controller; solving for the construction parameters given linear matrix inequalities and reconstructing the switching signal and event-triggered controller; and using the reconstructed switching signal and event-triggered controller to perform closed-loop control of the pulse-switched positive system to achieve finite-time bounded control. Implementing this invention solves the problems of overly complex event control mechanisms and performance degradation caused by the combined effects of pulses and external environmental disturbances.
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