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JJF 2003-2022 English PDF

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JJF 2003-2022: Calibration Specification for Micro Inertial Measurement Units(MIMU)
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Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
JJF 2003-2022	English	429	Add to Cart	4 days [Need to translate]	Calibration Specification for Micro Inertial Measurement Units(MIMU)	Valid	JJF 2003-2022

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Basic data

Standard ID	JJF 2003-2022 (JJF2003-2022)
Description (Translated English)	Calibration Specification for Micro Inertial Measurement Units(MIMU)
Sector / Industry	Metrology & Measurement Industry Standard
Word Count Estimation	22,239
Date of Issue	2022-12-07
Date of Implementation	2023-06-07
Issuing agency(ies)	State Administration for Market Regulation

JJF 2003-2022: Calibration Specification for Micro Inertial Measurement Units(MIMU)

---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.
National Metrology Technical Specifications of the People's Republic of China Micro Inertial Measurement Unit (MIMU) Calibration Specification Released on 2022-12-07 2023-06-07 Implementation Released by the State Administration for Market Regulation micro-inertial measurement unit (MIMU) calibration specification Responsible unit. National Technical Committee of Inertial Technology and Metrology Drafting Unit. The Thirteenth Research Institute of China Electronics Technology Group Corporation Aviation Industry Beijing Great Wall Metrology and Testing Technology Research Institute Beijing Sanchi Inertial Technology Co., Ltd. This specification entrusts the National Inertial Technology Metrology Technical Committee to be responsible for interpretation The main drafters of this specification. Yang Yongjun (The Thirteenth Research Institute of China Electronics Technology Group Corporation) Dong Xueming (Beijing Great Wall Metrology and Testing Technology Research Institute of Aviation Industry) Liu Xiaoli (The Thirteenth Research Institute of China Electronics Technology Group Corporation) Liu Haitao (Beijing Sanchi Inertial Technology Co., Ltd.) Participating drafters. Lin Haifeng (The Thirteenth Research Institute of China Electronics Technology Group Corporation) Zhang Xianlong (Beijing Sanchi Inertial Technology Co., Ltd.) Liu Jingya (Beijing Great Wall Metrology and Testing Technology Research Institute of Aviation Industry)

Introduction (Ⅱ) 1 Scope(1) 2 References(1) 3 Terms and Definitions (1) 4 Overview(1) 4.1 Principle (1) 4.2 Use(2) 5 Metrological characteristics(2) 5.1 MIMU three-axis gyroscope calibration model (2) 5.2 MIMU three-axis accelerometer calibration model (3) 6 Calibration conditions(3) 6.1 Environmental conditions (3) 6.2 Calibration installation conditions(3) 6.3 Test standards and equipment (3) 7 Calibration Items and Calibration Methods(4) 7.1 Calibration items(4) 7.2 Calibration method(4) 7.2.1 Gyro scaling factor(4) 7.2.2 Gyro bias and acceleration sensitivity coefficient (5) 7.2.3 Gyro Cross-Coupling(6) 7.2.4 Accelerometer bias, scale factor, cross-coupling(6) 7.2.5 Accelerometer angular velocity sensitivity coefficient (7) 8 Expression of Calibration Results(7) 9 Recalibration interval(8) Appendix A Example of MIMU Measurement Uncertainty Evaluation (9) Appendix B Calibration Certificate Inner Page Format (13) Appendix C Schematic Diagram of Installation Station Coordinates (15)

Introduction

Motion or attitude measurement in the economic field. JJF 1071-2010 "Rules for Writing National Metrology and Calibration Standards", JJF 1001 "General Metrology Terms and Definitions" and JJF 1059.1 "Evaluation and Expression of Measurement Uncertainty" jointly constitute the support of this specification Develop the basic series of documents for the work. In the formulation of this specification, JJF 1427-2013 "Micro Electromechanical (MEMS) Linear Accelerometer Calibration Specification" and GJB7952-2012 "Vibrating Gyroscope Test Method". This specification is published for the first time. Micro Inertial Measurement Unit (MIMU) Calibration Specification

1 Scope

A three-dimensional six-degree-of-freedom MIMU composed of a degree meter, in the range of angular velocity ±14000°/s and linear acceleration ±10000m/s2 calibration. The calibration of other micro-inertial measurement combinations can refer to this specification.

2 References

This specification references the following documents. JJF 1071-2010 National Metrology Calibration Standard Compilation Rules JJF 1427-2013 Micro-Electro-Mechanical (MEMS) Linear Accelerometer Calibration Specification JJF 1675-2017 Inertial Technical Metrology Terms and Definitions GJB7952-2012 Test method for vibrating gyroscope For dated references, only the dated version applies to this specification; for undated references document, its latest version (including all amendments) applies to this specification.

3 Terms and Definitions

Composed of MEMS gyroscopes and accelerometers, it is used to measure the angular velocity and acceleration information of the carrier in three-dimensional space information components. Note. Generally at least three MEMS gyroscopes and three MEMS accelerometers are included. The output error coefficient due to the insensitive axial input of the MIMU gyroscope. The output error coefficient due to the insensitive axial input of the MIMU accelerometer. Output per unit of angular velocity input in a MIMU accelerometer about a specified axis.

4 Overview

4.1 Principle The MIMU consists of three orthogonally configured gyroscopes, three orthogonally configured accelerometers, digital circuits, and processing software composition. The block diagram of the MIMU system is shown in Figure 1.Angular velocity measurement adopts MEMS gyroscope, respectively used for X Angular velocity signal detection in the direction of Y-axis, Y-axis and Z-axis; acceleration measurement adopts MEMS accelerometer, respectively used for Acceleration signal detection in X-axis, Y-axis and Z-axis direction. The axial schematic diagram of MIMU is shown in Fig. 2, w'X, w'Y, w'Z is the output of MEMS gyroscope, a'X, a'Y, a'Z are the output of MEMS accelerometer.

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