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Resource Management for Control Tasks Based on the Transient Dynamics of Closed-Loop Systems

In English

Författare

Summary, in English

This paper presents a resource management strategy for control tasks

that maximizes control performance within the available resources by

readjusting the task periods at run-time. A feedback scheduler is

used to determine on-line the optimal task periods considering the

response over a finite time horizon of the plants controlled by

arbitrary linear control laws. We show how this problem can be

expressed as an optimization problem, where the objective function

relates the sampling periods to the transient responses of the

controlled plants, and where restrictions are based on EDF

schedulability constraints. For the general case, the solution of

the optimization problem is computationally expensive, and thus, an

approximate procedure to be executed on-line has been developed. We

present simulation results that validate the presented approach.

Publiceringsår

2006

Språk

Engelska

Dokumenttyp

Konferensbidrag

Ämne

  • Control Engineering

Conference name

18th Euromicro Conference on Real-Time Systems

Conference date

0001-01-02

Conference place

Dresden, Germany

Status

Published