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Test point optimization of control moment gyro (CMG) based on multi-signal flow model and improved genetic algorithm

  • Limei Tian
  • , Cao Lu
  • , Jinsong Yu
  • , Dengyun Wu
  • , Ming Lu
  • , Yuewei Hu
  • CAS - Beijing Institute of Control Engineering
  • Beihang University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The increasing integration degree of circuits in electronic systems makes faults detection and isolation more and more difficult. Design for testability (DFT) was applied to solve the problem. In this procedure, designers are required to set an optimum arrangement of sensors to achieve the best testability. But the search of the best test points combination is usually conducted by manual work. To simplify this blind and inefficient procedure, a test point optimization algorithm based on multi-signal flow model is proposed in this paper and is successfully applied in a CMG. First, the basic conception of modeling is introduced and the analysis of testability is converted to the calculation based on dependency matrix. Then the test points optimization problem is described and analyzed by an improved genetic algorithm. At last, the algorithm is examined by the CMG's A/D board subsystem. The result shows the algorithm can find the best solution with excellent efficiency.

Original languageEnglish
Title of host publication2015 IEEE 12th International Conference on Electronic Measurement and Instruments, ICEMI 2015
EditorsCui Jianping, Wu Juan
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages422-425
Number of pages4
ISBN (Electronic)9781479976195
DOIs
StatePublished - 16 Jun 2016
Event12th IEEE International Conference on Electronic Measurement and Instruments, ICEMI 2015 - Qingdao, China
Duration: 16 Jul 201518 Jul 2015

Publication series

Name2015 IEEE 12th International Conference on Electronic Measurement and Instruments, ICEMI 2015
Volume1

Conference

Conference12th IEEE International Conference on Electronic Measurement and Instruments, ICEMI 2015
Country/TerritoryChina
CityQingdao
Period16/07/1518/07/15

Keywords

  • Genetic algorithm
  • Multi-signal flow
  • Test point optimization
  • Testability

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