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Volume 33 Issue 09
Sep.  2007
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Journal of Beijing University of Aeronautics and Astronautics  > 2007  >  33(09): 1068-1071.
Li Xin, Shen Shituan, Lu Huiet al. Algorithms of tasks scheduling in parallel test based on graph coloring theory[J]. Journal of Beijing University of Aeronautics and Astronautics, 2007, 33(09): 1068-1071. (in Chinese)
Citation: Li Xin, Shen Shituan, Lu Huiet al. Algorithms of tasks scheduling in parallel test based on graph coloring theory[J]. Journal of Beijing University of Aeronautics and Astronautics, 2007, 33(09): 1068-1071. (in Chinese)
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Algorithms of tasks scheduling in parallel test based on graph coloring theory

  • School of Electronics and Information Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

  • Received Date: 05 Sep 2006
  • Publish Date: 30 Sep 2007
    Abstract
  • The test method of most automatic test systems is serial at present, so test efficiency is very low. For this problem, a relation model of test tasks was established based on graph theory. The relation between test tasks and instruments was described by "graph", so the project problem of test tasks scheduling was transformed into mathematics problem about graph theory. Based on the relation model, two algorithms named CTG and CTG-T about tasks scheduling were proposed. By using these algorithms the tasks grouping scheme that has the maximal parallel degree or the shortest test time was found, and parallel test was achieved effectively. The two algorithms were based on graph coloring theory and their correctness and feasibility were approved by both theory and emulator. These algorithms were validated by experiment in actual system and the result shows that test efficiency of system is enhanced greatly.

     

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  • [1] Ross W A. The impact of next generation test technology on aviation maintenance AUTOTESTCON 2003 IEEE Systems Readiness Technology Conference Proceedings. Anaheim:IEEE Instrumentation and Measurement Society,2003:2-9 [2] 肖明清,朱小平,夏锐.并行测试技术综述[J].空军工程大学学报(自然科学版),2005,6(3):22-25 Xiao Mingqing, Zhu Xiaoping, Xia Rui. Summary of parallel test technology[J]. Journal of Air Force Engineering University (Natural Science Edition), 2005, 6(3):22-25(in Chinese) [3] Hou E S H, Ansali N, Ren H. A genetic algorithm for multi-processor scheduling [J]. IEEE Transaction on Parallel and Distributed Systems, 1994,5:113-120 [4] 胡瑜.基于有色Petri网理论的并行自动测试系统建模研究 .成都:电子科技大学自动化学院,2003 Hu Yu. Colored Petri net based modeling of parallel automatic test systems . Chengdu:School of Automation, University of Electronic Science and Technology of China, 2003(in Chinese) [5] 徐俊明.图论及其应用[M].第2版.合肥:中国科学技术大学出版社,2004:171-238 Xu Junming. Graph theory and its application[M]. 2nd ed. Hefei:University of Science and Technology of China Press, 2004:171-238(in Chinese)
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