Research on the Health Monitoring Technology of Preload for Complex Aerospace Equipment Fastening Devices

Wu Kai (), Luo Zhijun, Gu Lixiang, Zuo Wenjia and Liu Yuchang
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Wu Kai: Equipment Comprehensive Support Center China Academy of Launch Vehicle Technology
Luo Zhijun: Tsinghua University, School of Mechanical Engineering
Gu Lixiang: Equipment Comprehensive Support Center China Academy of Launch Vehicle Technology
Zuo Wenjia: Equipment Comprehensive Support Center China Academy of Launch Vehicle Technology
Liu Yuchang: Equipment Comprehensive Support Center China Academy of Launch Vehicle Technology

A chapter in Data-Driven Methods for Reliability and Safety Engineering: Applications in Industrial Systems, 2026, pp 417-429 from Springer

Abstract: Abstract This paper examines fastening devices for critical precision instruments in complex aerospace equipment, identifying the underlying causes of preload failure and comparing the theoretical foundations of commonly used methods, including the torque method, angle method, and yield point method. The ultrasonic measurement method is ultimately selected for design and application. Using the installation of inertial navigation units (INUs) as a case study, systematic verification is conducted, demonstrating excellent performance outcomes.

Keywords: Aerospace equipment; Preload; Health monitoring (search for similar items in EconPapers)
Date: 2026
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Persistent link: https://EconPapers.repec.org/RePEc:spr:ssrchp:978-3-032-22873-4_30

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DOI: 10.1007/978-3-032-22873-4_30

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