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GB/T 45571-2025General specification for linear accelerometers (English PDF)

线加速度计通用技术规范

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

April 25, 2025

Implementation date

August 1, 2025

Scope

GB/T 45571-2025 is the English-translated version of 线加速度计通用技术规范.

GB/T 45571-2025 is the Chinese national standard covering the inertial sensor that measures specific force, used in aerospace, marine, vehicle, petroleum and geological work — the design and general characteristics, the performance and reliability requirements, the environmental adaptability that decides whether it survives the vibration, shock and radiation of its application, the test conditions and methods, the inspection categories, and the pendulous, temperature and centrifugal models given in the annexes. At 26,500 words. First edition, in force from 1 August 2025. Issued on 25 April 2025, it has been in force since 1 August 2025.

Document preview — GB/T 45571-2025

National Standard of the People's Republic of China

ICS: 49.045
Classification: V 25

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

PrefaceIII
1 Scope1
2 Normative references1
3 Terms and Definitions1
4 Technical requirements4
4.1 Design requirements4
4.2 General characteristic requirements6
4.3 Performance requirements7
4.4 Reliability Requirements12
4.5 Environmental adaptability requirements13
5 Test methods14
5.1 Test conditions14
5.2 General characteristics inspection15
5.3 Performance requirements test16
5.4 Reliability test22
5.5 Environmental adaptability22
6 Inspection Rules25
6.1 Inspection categories25
6.2 Identification and testing25
6.3 Quality consistency inspection28
7 Marking, packaging, transportation and storage29
7.1 Signs29
7.2 Packaging29
7.3 Transport29
7.4 Storage29
Appendix A (Informative) Working Principle and Mathematical Model of Pendulum Linear Accelerometer30
A.1 Complete mathematical model of pendulum linear accelerometer30
A.2 Simplified model of pendulum linear accelerometer31
Appendix B (Informative) Typical Field Line Accelerometer Product Characteristics33
B.1 Typical linear accelerometer product features for aerospace applications33
B.2 Typical linear accelerometer product characteristics for aviation applications35
B.3 Product characteristics of typical linear accelerometers used in the marine field37
B.4 Typical linear accelerometer product characteristics for vehicle applications39
B.5 Typical linear accelerometer product characteristics for the oil field40
B.6 Characteristics of Typical Linear Accelerometers for Geology41
Appendix C (Informative) Linear Accelerometer Test Principle and Working Model43
Appendix D (Informative) Linear Accelerometer Temperature Model44
D.1 Accelerometer temperature model44
D.2 Accelerometer temperature model matrix expression44
Appendix E (Informative) Linear Accelerometer Centrifugal Model45
E.1 Accelerometer Centrifugal Model45
E.2 Accelerometer centrifugal correction model45
References46

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 for standardization documents" Drafting.

Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.

This document was proposed and coordinated by the National Technical Committee for Standardization of Aerospace Technology and Its Applications (SAC/TC425).

This document was drafted by: Beijing Automation Control Equipment Research Institute, Beijing Aerospace Control Instrument Research Institute, Aerospace Science and Industry Inertial Technology Co., Ltd.

Company, Tsinghua University, AVIC Xi'an Flight Automatic Control Research Institute, Tianjin Navigation Instrument Research Institute, Harbin Institute of Technology, Xi'an Aerospace Institute of Precision Electromechanical Engineering, China Aerospace Standardization Institute, China National Institute of Standardization, Nanjing University of Science and Technology, Southeast University, Zhijiang Laboratory, Institute of Electronic Engineering Design, China Academy of Engineering Physics, Institute of Geology and Geophysics, Chinese Academy of Sciences, and Beijing University of Aeronautics and Astronautics.

The main drafters of this document are: Yu Xiangtao, Zhang Chunjing, Wei Chao, Peng Zhenxin, Han Fengtian, Zhang Xiwen, Nie Luyan, Wei Jilin, Ren Shunqing, Fu Xiujuan, Xu Guodong, Zhang Yuhang, Li He, Yang Xingmin, Li Ping, Han Xu, Zhang Jing, Huang Libin, Du Ruijuan, Tian Feng, Ma Sai, Cheng Yue, Liu Rui, Wu Nan, Yu Hao, Gu Wenhua, Chen Xuedong, Xue Xu, Ran Longjun, Tang Li, Zhou Xiaojun.

General technical specifications for linear accelerometers

1 Scope

This document specifies the technical requirements, inspection rules and marking, packaging, transportation and storage of linear accelerometers, and describes the corresponding test methods.

This document is applicable to linear accelerometers used in aerospace, aviation, shipbuilding, vehicles, petroleum, geology and other fields.

2 Normative references

GB/T 191

GB/T 2423.1

GB/T 2423.2

GB/T 2423.3

GB/T 2423.5

GB/T 2423.15

GB/T 2423.16

GB/T 2423.17

GB/T 2423.21

GB/T 2423.22

GB/T 2423.27

GB/T 2423.56

GB/T 4937.18

GB/T 13983

GB/T 32304

GB/T 34522

3 Terms and definitions

The terms and definitions defined in GB/T 13983 and the following apply to this document.

3.1 Accelerometer

An inertial sensor that measures linear or angular acceleration.

3.2 Compare specific force

The vector sum of the inertial force and the gravitational force acting on unit mass.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 44 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 2423.1 · GB/T 2423.2 · GB/T 2423.3 · GB/T 2423.5 · GB/T 2423.15 · GB/T 2423.16 · GB/T 2423.21 · GB/T 2423.27 · GB/T 4937.18

Editions of GB/T 45571

Edition	Title	Revision	Status
GB/T 45571-2025	General specification for linear accelerometers	current edition	Current

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