Distributed in-situ troubleshooting device and method based on helicopter avionics

Abstract

The invention relates to a distributed in-situ troubleshooting device and method based on helicopter avionics. The device comprises a server side, a test front end and portable generator dragging equipment, wherein the server communicates with other equipment to realize signal acquisition and simulation of each test front end and the portable generator dragging equipment; the portable generator dragging equipment is used for simulating the full-electromechanical power supply characteristics of the helicopter during flight on the ground; the test front end is composed of a mainboard and a functional resource board card, and is provided with a matrix addressing module for addressing and calling each functional resource board card interface according to different test contents and requirements. According to the invention, the test front end, the server end, the remote control end and the portable generator dragging device are established for realizing distributed in-situ fault diagnosis of the helicopter avionics system, so that the fault diagnosis efficiency and accuracy are improved, the risk during troubleshooting of the helicopter avionics system is reduced, and the helicopter fault diagnosis intelligence level is improved.

Description

technical field [0001] The invention belongs to the fault diagnosis technology of an airborne avionics system, and relates to a distributed in-situ fault troubleshooting device and method based on helicopter avionics. Background technique [0002] Helicopters are in a relatively special technical environment when they are delivered to users, and there will be many and more complex functional performance failures of the airborne avionics system. Traditional troubleshooting methods mainly rely on testing instruments, special tools combined with manual testing. When encountering more complicated faults such as system cross-linking and difficult to reproduce on the ground, the troubleshooting period will be longer. During the intense test flight progress and user flight progress, it often happens that the helicopter cannot fly due to failure. Moreover, the troubleshooting process can only locate the on-board finished product at the field replaceable unit (LRU) level. If the cau...

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to provide a distributed in-situ troubleshooting device and method based on helicopter avionics; to solve the problems of low maintenance and troubleshooting efficiency, inaccurate fault location, and high risk of troubleshooting during current helicopter flight tests and field operations. Severely restrict the progress of helicopter test flight and field maintenance, improve the technical level of helicopter avionics professional fault diagnosis technology, establish efficient and intelligent helicopter avionics in-situ testing capabilities for fast and accurate positioning of faults, and ensure flight safety

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