Execution-Time Properties of a Hybrid Controller

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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.
Original languageEnglish
PublisherDepartment of Automatic Control, Lund Institute of Technology (LTH)
Publication statusPublished - 2000

Publication series

NameTechnical Reports TFRT-7591
ISSN (Print)0280-5316

Subject classification (UKÄ)

  • Control Engineering


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