An integrated framework for intelligent reliability design and prognostic health management of space robotic systems

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Wang, Zhonglai and Chen, Yi and Yang, Erfu (2015) An integrated framework for intelligent reliability design and prognostic health management of space robotic systems. In: Space Robotics Symposium, 2015-10-29 - 2015-10-30, Technology & Innovation Centre, University of Strathclyde.

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Abstract

Space robotics has received significant attention from both theoretic research and applications. The mission in future will be involving and be heavily supported by different robotic systems, such as planetary rovers and manipulators for orbital servicing, etc. The harsh environment in space can severely affect the operating safety of space robotic systems and therefore the lifecycle reliability problem and prognostic healthmanagement have paramount importance to make the space robotic systems more successful and safer in future space missions. Though there has a great deal of research on failure detection, fault diagnosis and condition monitoring for conventional space systems and other engineering applications such as nuclear power station, it has a lack of research on the general methodology for both the reliability design and health management of space robotic systems to improve the operating safety. This paper proposes an integrated framework (named as iRPHM) in which the higher reliability is designed for space robotic systems by taking advantage of reliability-based intelligent design optimization while considering the expected random loadings. The prognostic health management (PHM) is implemented in the proposed framework to decrease the failures arising from the unexpected events in harsh space environment.

ORCID iDs

Wang, Zhonglai, Chen, Yi and Yang, Erfu ORCID logoORCID: https://orcid.org/0000-0003-1813-5950;
CORE (COnnecting REpositories)