Hierarchical Structure Reliability

Kodo Ito () and Toshio Nakagawa
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Kodo Ito: Tottori University
Toshio Nakagawa: Aichi Institute of Technology

Chapter Chapter 6 in Optimal Inspection Models with Their Applications, 2023, pp 107-128 from Springer

Abstract: Abstract Some systems might be hierarchical, i.e., a system is constituted with several subsystems, a subsystem is constituted with several sub-subsystems, and such hierarchical relations continue from a system to discrete parts in Fig. 1.3 . One typical example is a jet fighter with maintenance hatch beside its airframe: When the hatch is opened, there exist some equipment chassis which are easy to exchange at failures, and are called LRUs (Line Replacement Units). An LRU has knobs for handling easily and electric connector sockets for connecting other LRUs electrically, and can be gotten out when its connector sockets are disassembled, its fixed attachments are released, and are pulled out. In addition, this contains lots of printed card boards, and failed boards are eluted one by one, are checked by the special function tester, and are exchanged to normal ones. Such LRU repair works are undergone at military maintenance facilities and failed boards are repaired at civilian factories.

Date: 2023
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DOI: 10.1007/978-3-031-22021-0_6

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