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GB/T 36362-2018 English PDF

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GB/T 36362-2018: Point estimation and interval estimation for reliability testing of LED applied products (exponential distribution)
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GB/T 36362-2018English199 Add to Cart 3 days [Need to translate] Point estimation and interval estimation for reliability testing of LED applied products (exponential distribution) Valid GB/T 36362-2018

PDF similar to GB/T 36362-2018


Standard similar to GB/T 36362-2018

SJ/T 11281   GB/T 18910.2   GB/T 36613   GB/T 36361   

Basic data

Standard ID GB/T 36362-2018 (GB/T36362-2018)
Description (Translated English) Point estimation and interval estimation for reliability testing of LED applied products (exponential distribution)
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard L45
Classification of International Standard 31.260
Word Count Estimation 10,163
Date of Issue 2018-06-07
Date of Implementation 2019-01-01
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 36362-2018: Point estimation and interval estimation for reliability testing of LED applied products (exponential distribution)


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Point estimation and interval estimation for reliability testing of LED applied products(exponential distribution) ICS 31.260 L45 National Standards of People's Republic of China LED application product reliability test point estimate and Interval estimation (exponential distribution) Published on.2018-06-07 2019-01-01 Implementation National Market Supervision Administration China National Standardization Administration released Directory Preface I Introduction II 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Sample 2 5 Failure Criteria 2 6 Acquiring test data 2 7 Data validity determination 2 8 Data Processing Method 2 9 Test Report 3 Appendix A (Informative) Test Data Table 4 Appendix B (informative) Test case 6

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. Please note that some of the contents of this document may involve patents. The issuing agency of this document does not assume responsibility for identifying these patents. This standard is under the jurisdiction of the Ministry of Industry and Information Technology (Electronics) of the People's Republic of China. This standard was drafted. China Electronics Technology Group Corporation 13th Institute, National Semiconductor Device Quality Supervision and Inspection Center. The main drafters of this standard. Huang Jie, Zhao Min, Zhang Ruixia, Zhang Chenchao, Liu Dongyue, Xu Lisheng, Zhao Lihong.

Introduction

This standard will be used for point estimation of reliability tests for LED applications and interval estimates of given confidence (in exponential distribution). Point estimate The meter is a single value that is used to represent the unknown true value of a statistical parameter, such as mean time between failures and failure rate. Confidence is specified in the estimate Confidence limits around values. This standard adopts the confidence of 60% and 90% as an example to give LED application products with 60% and 90% confidence. The average life-time without failure. LED application product reliability test point estimate and Interval estimation (exponential distribution)

1 Scope

This standard specifies the point estimation and interval estimation data acquisition and processing methods for reliability testing of LED applications. This standard is applicable to the number of laboratory tests for reliability test of LED applications subject to exponential or approximately exponential distribution. According to processing and field use data processing.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article Pieces. For undated references, the latest version (including all amendments) applies to this document. GB/T 2689.1-1981 General principles of constant stress life test and accelerated life test method GB/T 4086.2-1983 Statistical Distribution Table χ2 Distribution GB/T 5080.6-1996 Validity test for constant failure rate assumption of equipment reliability test GB/T 5080.7-1986 Verification test of failure rate and mean time between failures under the assumption of constant failure rate for equipment reliability test Test plan

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Point estimation pointestimation A statistic is determined from multiple data of subsamples and used to estimate the unknown parameters of the population. 3.2 Interval estimation intervalestimation Starting from the point estimate, the interval containing the parameter to be estimated is established according to the given probability value. 3.3 Confidence confidencecoefficient The degree of statistical confidence in estimating the parameter characterizing the mother is based on a set of subsamples (ie, observations) from the parent. Note. Confidence is an indicator to evaluate the reliability of a certain element. It is usually expressed as a percentage probability, generally taken as 60%. 3.4 LED application product life (single product) LEDappliedproduct'slife(singleproduct) Under the specified working conditions, the product reaches the working time of the specified failure criteria. Note. It is a random variable, and after mastering the statistical laws of a batch of products, the probability that a product's life is less than a certain value can be obtained, or Probability within a certain range.

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