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Harmonic Scheduling and Control Co-Design

In English

Författare

Summary, in English

Harmonic task scheduling has many attractive properties, including a utilization bound of 100% under rate-monotonic scheduling and reduced jitter. At the same time, it places a severe constraint on the task period assignment for any application. In this paper, we explore the use of harmonic task scheduling for applications with multiple feedback control tasks. We present an algorithm for finding harmonic task periods that minimizes the distance from an initial set of non-harmonic periods. We apply the algorithm in a scheduling and control co-design procedure, where the goal is to optimize the total performance of a number of control tasks that share a common computing platform. The procedure is evaluated in simulated randomized examples, where it is shown that, in general, harmonic scheduling combined with release offsets gives better control performance than standard, non-harmonic scheduling.

Publiceringsår

2016-08-17

Språk

Engelska

Publikation/Tidskrift/Serie

2016 IEEE 22nd International Conference on Embedded and Real-Time Computing Systems and Applications (RTCSA)

Dokumenttyp

Konferensbidrag

Ämne

  • Control Engineering

Conference name

22nd IEEE International Conference on Embedded and Real-Time Computing Systems and Applications, RTCSA 2016

Conference date

2016-08-17 - 2016-08-19

Conference place

Daegu, Korea, Republic of

Status

Published

Projekt

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

ISBN/ISSN/Övrigt

  • ISBN: 978-1-5090-2479-7