Method for implementing testability analysis and diagnosis decision system for electronic products

Abstract

The invention relates to a method for implementing a testability analysis and diagnosis decision system for electronic products and is applied to the field of electronic product design. The method comprises the following steps of: (1) arranging a testability design modeling module which comprises a graphical testability model of equipment, testability design information integration and description, and testability information acquisition and testability information storage; (2) arranging an inherent testability analysis module which comprises fault coverage analysis, fault ambiguity group discrimination, and redundancy testing analysis; and (3) arranging an actual testability analysis module which comprises diagnosis strategy generation and testability design result analysis. The invention has the advantages that: (1) the situation of deficiency of testability assisted software in China is changed, and the method is used for performing testability verification and analysis on complex electronic products; (2) each functional unit of the system can be independently used, and the system has good expandability; and (3) inherent testability analysis function and actual testability analysis function can be provided for the electronic products.

Description

technical field [0001] The invention relates to an implementation method of an electronic product testability analysis and diagnosis decision-making system, which is mainly used for testability verification analysis of complex electronic products. Background technique [0002] At present, design for testability has gradually become an equally important design attribute in electronic product design and reliability design. It requires simultaneous consideration of test issues and testability analysis at the beginning of electronic product design. For a long time, the lack of auxiliary analysis tools has been the "bottleneck" that restricts the improvement of my country's test design level. Although domestic testing research has made some achievements, testing design technology still stays at the level of absorbing and assimilating foreign technologies. Especially in the development of testability-aided design software, although many units have done a lot of fruitful work, mos...

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Problems solved by technology

Although domestic testing research has made some achievements, testing design technology still stays at the level of absorbing and assimilating foreign technologies

Especially in the development of testability-aided design software, although many units have done a lot of fruitful work, most of them are in the laboratory stage, and there are no formed auxiliary tools applied to the actual product testability design and analysis process

Therefore, the product development department has to purchase expensive testing aided design software from abroad. Most of these software are expensive, which puts the development unit under huge economic pressure and increases the design cost.

In addition, because the software is developed by foreign companies, not only the core technology is in the hands of others, but there is also the risk of being implanted with backdoors. Long-term dependence on these software will make our country controlled by others and bring hidden dangers to national security.

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