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     Research Journal of Applied Sciences, Engineering and Technology


Study on Real-time Task Scheduling Policy for Automated Testing of Spacecraft

1Li Zhongwen, 2Li Long and 3Li Guoxin
1College of Polytechnic, Hunan Normal University, Changsha 410081, China 2China Patent Technology Development Company
3Computer Lab, China University of Political Science and Law, Beijing 100088, China
Research Journal of Applied Sciences, Engineering and Technology  2013  24:5614-5618
http://dx.doi.org/10.19026/rjaset.5.4245  |  © The Author(s) 2013
Received: October 17, 2012  |  Accepted: December 19, 2012  |  Published: May 30, 2013

Abstract

Spacecraft testing is an important phase of developing a spacecraft. As the test task requests in spacecraft testing have dynamic, real-time and resource constraints characteristics, it need further research on requests scheduling policy. Based on the EDF scheduling model, this study apprehends the dynamic, real timing and communicating resource limitation in automated testing of application-level device gateway in spacecraft subsystem in its design of a multiple-factor based PRI ascertain method and put forward a scheduling policy of multithreading under resource limitation. Test results show that this policy better assures scheduling effect with effectivescheduling of each parallel testing task under different task densities.

Keywords:

Automated testing, EDF, spacecraft testing, real-time task scheduling,


References


Competing interests

The authors have no competing interests.

Open Access Policy

This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

Copyright

The authors have no competing interests.

ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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