Fault diagnosis of electronic manufacturing system based on probabilistic neural network

Wei, Wei; Huang, Chunyue; Li, Ying; Xie, Jun; Liu, Shoufu

doi:10.1109/icept50128.2020.9202960

Cited by 1 publication

(1 citation statement)

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“…Fault diagnosis method is an important part of automatic test system, it is the technical basis of fault diagnosis and location, and it is also the difficulty of automatic test technology development, so it has gradually become one of the emphases of automatic test system research in recent years [1][2]. At present, ATS mainly rely on the way of joint programming, using professional data processing software to solve the above problems, but in the joint programming, professional signal processing often needs to occupy a lot of computer resources, so when large-scale ATS detect complex circuits, the hardware equipment is often difficult to meet the real-time and stability requirements of the test [3].…”

Section: Introductionmentioning

confidence: 99%

Overall Scheme Design of Fault Diagnosis for Complex Electronic Systems

Mao,

Pang,

Jin

et al. 2024

J. Phys.: Conf. Ser.

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Traditional manual testing methods are no longer able to meet the maintenance needs of modern shipboard fire control system board-level circuits. Therefore, the development of intelligent and universal automatic test systems has become an important issue for shipboard fire control system fault detection. This article analyzes the performance and functional requirements of the automatic test system, develops the automatic test system based on PXI bus instruments, and designs an overall solution with signal time-frequency analysis capabilities that can carry out intelligent fault diagnosis for a variety of board-level circuits. On this basis, the design of hardware circuit and software solution is completed. The automatic test system was analyzed on hardware indicators and software functions. On the hardware side, the hardware resource selection was completed based on the hardware indicator requirements. On the software side, the overall software architecture design and the design of each functional module were completed based on the system software functional requirements. Finally, the composition and functions of each module of the system software and the overall operation process are introduced.

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Section: Introductionmentioning

confidence: 99%