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Acceleration reliability test scheme design method based on environment referring

A test scheme and reliability technology, applied in the field of accelerated reliability test scheme design based on environment conversion, can solve problems such as high test conditions and inability to fully utilize product reliability test information.

Inactive Publication Date: 2018-07-27
BEIHANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The current accelerated reliability test technology has high requirements on test conditions, and cannot make full use of the reliability test information carried out in the product development stage

Method used

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  • Acceleration reliability test scheme design method based on environment referring
  • Acceleration reliability test scheme design method based on environment referring
  • Acceleration reliability test scheme design method based on environment referring

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Embodiment Construction

[0074] Let's take the communication server of a research institute as an example, combined with the attached figure 1 , the present invention will be described in further detail.

[0075] The communication server is a dedicated system in the communication service system, which provides communication services for users on the network who need to transfer files through remote communication links or access information on remote systems or networks. Since the communication server equipment is in the product development stage and its price is expensive, the reliability data of the product is relatively lacking. Only 5 groups of reliability tests have been carried out for one communication server, and the test data are shown in Table 1. Among them, the environmental conversion coefficient of each test is determined by comprehensive expert experience and similar product information. The temperature range that can be provided in the engineering test is -10℃~40℃, the relative humidity ...

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Abstract

The invention provides an acceleration reliability test scheme design method based on environment referring, comprising the steps of I, analyzing reliability test time demand; II, judging reliabilitytest time feasibility; III, establishing an acceleration reliability model; IV, estimating parameters of the acceleration reliability model (9); V, designing an acceleration reliability test scheme. The acceleration reliability test scheme design method based on environment referring is provided herein by implementing the above steps; product reliability test time can be effectively shortened; theactual problems in product reliability test scheme design under product reliability requirements and actually-implementable reliability test time constraints can be solved; scientific basis is provided for project designers to carry out acceleration reliability tests according to realistic conditions; the method has important theoretical and practical significances and can meet the practical application needs.

Description

technical field [0001] The invention provides an accelerated reliability test scheme design method based on environmental conversion, which relates to a quantitative model based on the environmental conversion coefficient and environmental stress to determine the product accelerated reliability test scheme design, which can effectively shorten the reliability test time , to effectively solve the reliability test scheme design problem under the reliability requirements and actual reliability test time constraints. This patent applies to related technical fields such as reliability testing and evaluation. Background technique [0002] Reliability test is a general term for various tests conducted to understand, evaluate, analyze and improve the reliability of products or systems. Its purpose is to discover various defects in product design, materials and processes. , so that the product reliability gradually increases, and finally reaches the predetermined reliability level. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
CPCG06F30/20
Inventor 杨军孔雪峰
Owner BEIHANG UNIV