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Exploiting Job Response-Time Information in the Co-Design of Real-Time Control Systems

In English

Författare

Summary, in English

We consider a real-time system of multiple tasks, each task having a plant to control. The overall quadratic control cost is to be optimized. We exploit the periodicity of the task response time, which corresponds to a periodic delay pattern in the feedback control loop. Perturbed periods are used as a tool to find a finite hyperperiod. We present an analytical procedure to design a periodic linear-quadratic-Gaussian (LQG) controller for tasks with fixed execution times as well as a numerical solution to the periodic--stochastic LQG problem for tasks with variable execution times. The controllers are evaluated using simulations in real-time scheduling and control co-design examples.

Publiceringsår

2015

Språk

Engelska

Publikation/Tidskrift/Serie

2015 IEEE 21st International Conference on Embedded and Real-Time Computing Systems and Applications (RTCSA 2015)

Dokumenttyp

Konferensbidrag

Förlag

IEEE - Institute of Electrical and Electronics Engineers Inc.

Ämne

  • Control Engineering

Conference name

21th IEEE International Conference on Embedded and Real-Time Computing Systems and Applications

Conference date

2015-08-19

Conference place

Hong Kong, China

Status

Published

Projekt

  • Co-design of Networked Embedded Control Systems
  • ELLIIT LU P02: Co-Design of Robust and Secure Networked Embedded Control Systems

Forskningsgrupp

  • LCCC

ISBN/ISSN/Övrigt

  • ISBN: 9781467378567