GB/T 41270.9-2022 English PDF

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GB/T 41270.9-2022: Process management for avionics - Atmospheric radiation effects - Part 9: Single event effect fault rate calculation methods and procedures for avionic equipment
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 41270.9-2022	519	Add to Cart	5 days	Process management for avionics - Atmospheric radiation effects - Part 9: Single event effect fault rate calculation methods and procedures for avionic equipment	Valid

Similar standards

GB/T 28878.10   GB/T 28878.9   GB/T 41270.3   GB/Z 41275.22   GB/Z 41275.23   

Basic data

Standard ID: GB/T 41270.9-2022 (GB/T41270.9-2022)
Description (Translated English): Process management for avionics - Atmospheric radiation effects - Part 9: Single event effect fault rate calculation methods and procedures for avionic equipment
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: V25
Word Count Estimation: 26,210
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 41270.9-2022: Process management for avionics - Atmospheric radiation effects - Part 9: Single event effect fault rate calculation methods and procedures for avionic equipment

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Process management for avionics - Atmospheric radiation effects - Part 9.Single event effect fault rate calculation methods and procedures for avionic equipment ICS 49.020 CCSV25 National Standards of People's Republic of China Avionics Process Management Atmospheric Radiation Effects Part 9.Avionics Single Event Effects Failure rate calculation program and method Published on 2022-03-09 2022-10-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration directory Preface III Introduction IV 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Abbreviations 1 5 Calculation method 2 5.1 General calculation method 2 5.2 Calculation method of total failure rate 2 5.3 Soft failure rate calculation method 2 5.4 Calculation method of hard failure rate 3 6 Calculation program 4 6.1 Calculation flow chart 4 6.2 Input 5 6.3 Calculation step 5 6.4 Output 6 Appendix A (Informative) Calculation Case 7 Appendix B (Informative) List of Sensitive Devices 11 Appendix C (Informative) Calculation Method of Atmospheric Neutron Radiation Stress 13 Appendix D (Informative) Typical Single Event Effect Cross Section Data 19 Reference 20

foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents" drafted. This document is part 9 of GB/T 41270 "Avionics Process Management of Atmospheric Radiation Effects". GB/T 41270 has been released the following parts. --- Part 7.Process management of single event effects analysis in avionics product design; --- Part 9.Avionics equipment single event effect failure rate calculation procedures and methods. This document is proposed and managed by the National Avionics Process Management Standardization Technical Committee (SAC/TC427). This document is drafted by. China Aviation Comprehensive Technology Research Institute, Beijing Shengtaoping Experimental Engineering Technology Research Institute Co., Ltd., China Aviation Industry Corporation Xi'an Aircraft Design Institute. The main drafters of this document. Wang Qunyong, Shao Wentao, Chen Dongmei, Yang Hui, Bai Hua, Shi Fajian, Yan Shuanhang, Liang Li, Yan Panfeng, Wang Xiaowei.

Introduction

0.1 Goals This document has been developed for the needs of the analysis and calculation of single event effect failure rates for avionics electronic products. 0.2 Technical overview Avionics equipment working in the atmosphere, its key devices will produce a variety of single-event effects under the radiation of atmospheric neutrons, which are transmitted to the atmosphere. Avionics, which can produce single event effect soft and/or hard faults, can affect the safety of the aircraft. Considering that only device-level SEE Only the failure rate participates in the safety analysis process at the system level and the aircraft level. Therefore, it is necessary to provide equipment-level information in the process of aircraft safety assessment. The SEE failure rate and its calculation method and program provide basic data for the safety analysis of avionics equipment. GB/T 34955-2017 "Guidelines for Single Event Effects Tests of Atmospheric Radiation Affecting Avionics Systems" and GB/T 34956-2017 "Guidelines for the Design of Single Event Effect Protection for Avionics Influenced by Atmospheric Radiation" together constitute the design of single event effects for avionics products Basic technical standards with analysis. GB/T 41270 specifies methods and procedures for the analysis, testing and evaluation of atmospheric neutron single event effects, and is intended to consist of two parts. --- Part 7.Process management of single event effects analysis in avionics product design. The purpose is to specify avionics product design Methods and procedures for single event effect analysis of electronic components. --- Part 9.Avionics equipment single event effect failure rate calculation procedures and methods. The purpose is to specify the avionics list Particle effect failure rate general, total failure rate, soft failure rate, hard failure rate calculation method and calculation program. 0.3 Description of relevant patents The issuing body of this document draws attention to claims that compliance with this document may relate to single event effect failure rates, atmospheric neutron radiation stress, Use of patents related to device sensitive cross-section and derating factor. The issuing authority of this document has no position on the authenticity, validity and scope of this patent. The patent holder has undertaken to the issuing body of this document that he is willing to agree with any applicant, on reasonable and non-discriminatory terms and conditions, to Negotiate patent licensing. This patent holder's statement is on file with the issuing agency of this document. The patentees listed in Table 1 hold the patents covered by this document. Table 1 Information about the patentee holding the patents involved in this document Patent holder address Beijing Shengtaoping Experimental Engineering Technology Research Institute Co., Ltd. Room 708, China Weapons Building, No. 69 Zizhuyuan Road, Haidian District, Beijing Please note that in addition to the patents mentioned above, some content of this document may still involve patents. The issuing agency of this document does not undertake to identify the patent responsibility. Avionics Process Management Atmospheric Radiation Effects Part 9.Avionics Single Event Effects Failure rate calculation program and method

1 Scope

This document gives the general calculation method of single event effect failure rate of avionics equipment, the calculation method of total failure rate and the calculation method of soft failure rate. method, hard failure rate calculation method and calculation program. This document applies to the development, testing and maintenance of avionics equipment working in altitudes below 35km.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document. GB/T 34955-2017 Guidelines for Single Event Effects Tests of Atmospheric Radiation Affecting Avionics Systems GB/T 34956-2017 Design guidelines for single event effect protection of avionics equipment affected by atmospheric radiation

3 Terms and Definitions

The terms and definitions defined in GB/T 34956-2017 and the following terms and definitions apply to this document. 3.1 The neutron fluence rate in the atmospheric radiation environment exposed to avionics during a flight mission. Note. The unit of atmospheric neutron radiation stress is per square centimeter hour [/(cm2·h)]. 3.2 The number of single event effect failures of avionics equipment caused by atmospheric neutron radiation per unit time under the power-on working state. Note. The unit of single event effect failure rate is times per hour (times/h).

4 Abbreviations

The following abbreviations apply to this document. ADC. analog-to-digital converter AD/DA. analog-to-digital/digital-to-analog conversion (analog-to-digital/digital-to-analogconvert) CCD. charge-coupled device (charge-coupleddevice) DAC. digital-to-analog converter ......

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