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Execution-Time Properties of a Hybrid Controller

På svenska

Author

Summary, in English

We are interested in gaining more knowledge about the execution-time requirements of real-time control tasks, and this paper presents a system for gathering statistics of the execution times of real-time tasks. The system allows real-time code to be instrumented in order to gather, analyze, and present execution-time statistics. It has been used to instrument an existing hybrid controller to gather execution-time statistics. These statistics indicate that the worst-case execution times of the controller occur in conjunction with reference and mode changes, and that a scheduling based on that worst-case execution time leads to poor CPU utilization.

Publishing year

2000

Language

English

Publication/Series

Technical Reports TFRT-7591

Document type

Report

Publisher

Department of Automatic Control, Lund Institute of Technology (LTH)

Topic

  • Control Engineering

Status

Published

ISBN/ISSN/Other

  • ISSN: 0280-5316