Abstract
The missions of weapon systems are becoming increasingly complex. Thus, more mechanism motions than one are required to complete one mission. Under such conditions, a sort of mission has emerged, that needs a few mechanism motions to be executed in sequence. This means that the mission is not completed until all the motions have been executed successfully in strict sequence. This sequence motion system can be considered as a traditional series system with the motions treated as subsystems. Then, the system reliability can be analyzed with the traditional series system reliability method. However, this method cannot fully reflect the characteristics of a sequence. In this work, a reliability model of sequence motions and its solving idea are proposed. In this reliability model, the influence factors of each motion are included. Particularly, the performance function of the former motion is regarded as just one of the influence factors of the next motion, which is the most significant feature for the sequence motion system. Afterward, a solving idea with characteristics of a gradually shrinking sample space is proposed based on Monte-Carlo simulation. Finally, the reliability model of sequence motions and its solving idea are illustrated with a case study on the automatic chain shell magazine sequence motions of a self-propelled artillery.
Highlights
Mechanical structural reliability has been studied since the 1960s and gradually applied in engineering machinery, aerospace, electrical equipment, and other fields [1, 5, 8, 13, 18, 20]
Little research has been reported for combining mechanism motion reliability and series system reliability, which is studied in this work
Mechanism motion reliability refers to the ability to maintain output parameters within the allowable range, which could ensure that the mechanism achieves specified mission under the given time and conditions
Summary
Mechanical structural reliability has been studied since the 1960s and gradually applied in engineering machinery, aerospace, electrical equipment, and other fields [1, 5, 8, 13, 18, 20]. By the turn of this century, the reliability analysis of mechanism motion became increasingly based on simulation methods with the rapid development of computer technology. Asri et al [2] analyzed the fatigue reliability of a wheel steering mechanism with a Monte-Carlo simulation method. A series of mechanism motions fulfills one mission in sequence. Series system reliability analysis methods can be applied to evaluate the mission reliability. Chao and Fu [6] studied the reliability of a general series system under certain regularity conditions based on a Markov chain. Little research has been reported for combining mechanism motion reliability and series system reliability, which is studied in this work.
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: Eksploatacja i Niezawodność – Maintenance and Reliability
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
