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JJF 2014-2022 English PDF

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JJF 2014-2022: Calibration Specification for Metal Shell Vibratory Rate Gyroscopes
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Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
JJF 2014-2022	English	599	Add to Cart	5 days [Need to translate]	Calibration Specification for Metal Shell Vibratory Rate Gyroscopes	Valid	JJF 2014-2022

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Basic data

Standard ID	JJF 2014-2022 (JJF2014-2022)
Description (Translated English)	Calibration Specification for Metal Shell Vibratory Rate Gyroscopes
Sector / Industry	Metrology & Measurement Industry Standard
Classification of Chinese Standard	A53
Word Count Estimation	29,228
Date of Issue	2022-12-27
Date of Implementation	2023-06-27
Issuing agency(ies)	State Administration for Market Regulation

JJF 2014-2022: Calibration Specification for Metal Shell Vibratory Rate Gyroscopes

---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 Calibration specification for metal vibrator type rate gyroscope Released on 2022-12-27 2023-06-27 Implementation Released by the State Administration for Market Regulation Calibration specification for metal vibrator type rate gyroscope Responsible unit. National Technical Committee of Inertial Technology and Metrology Main drafting unit. Beijing Information Science and Technology University Nanjing University of Science and Technology Participating in the drafting unit. National University of Defense Technology Shanghai Institute of Aerospace Control Technology Institute 772 of China Academy of Aerospace Electronics Technology Xi'an University of Architecture and Technology This specification is interpreted by the National Inertial Technology Metrology Technical Committee The main drafters of this specification. Su Zhong (Beijing Information Technology University) Fu Mengyin (Nanjing University of Science and Technology) Liu Ning (Beijing Information Technology University) Participating drafters. Wu Xuezhong (National University of Defense Technology) Zhao Wanliang (Shanghai Institute of Aerospace Control Technology) Quan Haiyang (Institute 772 of China Academy of Aerospace Electronics Technology) Song Lijun (Xi'an University of Architecture and Technology)

Introduction (Ⅱ) 1 Scope(1) 2 References(1) 3 terms(1) 4 Overview(1) 4.1 Principle (1) 4.2 Shaft definition (2) 5 Metrological characteristics(3) 6 Calibration conditions(4) 6.1 Environmental conditions (4) 6.2 Calibration equipment(4) 7 Calibration Items and Calibration Methods(5) 7.1 Calibration items(5) 7.2 Calibration method(6) 8 Expression of Calibration Results(18) 9 Recalibration interval(19) Appendix A Calibration Certificate Inner Page Format (20) Appendix B Example of Uncertainty Evaluation of Main Parameters of Metal Oscillator Rate Gyroscope (21)

Introduction

JJF 1071-2010 "Rules for Compilation of National Metrology and Calibration Standards", JJF 1001 "General Metrology Terms and Definitions", JJF 1059.1 "Assessment and Expression of Measurement Uncertainty" together constitute the basic series supporting the formulation of this specification document. This specification was written with reference to IEEE Std1431TM-2004 "IEEE Standards for Coriolis Principle Vibrating Gyroscopes" Standard Technical Specification Format Guidelines and Test Methods", JJF 1535-2015 "Micro-Electro-Mechanical (MEMS) Gyroscope Calibration Specification", JJF 1537-2015 "Gyroscope Dynamic Characteristics Calibration Specification" and GJB2426A-2004 "Fiber Optic Gyroscope Instrument Test Method". This specification is published for the first time. Calibration specification for metal vibrator type rate gyroscope

1 Scope

This specification applies to single-degree-of-freedom metal vibrator rate gyroscopes. The multi-degree-of-freedom metal oscillator type rate gyroscope can be used to Follow up.

2 References

This specification references the following documents. JJF 1535-2015 MEMS gyroscope calibration specification JJF 1537-2015 Gyroscope Dynamic Characteristics Calibration Specification GB/T 321-2005 priority number and priority number system GJB585A-1998 Inertial Technical Terms GJB2426A-2004 Fiber Optic Gyroscope Test Method For dated references, only the dated version applies to this specification; for undated references The latest version (including all amendments) applies to this specification.

3 terms

Defined by JJF 1535-2015, JJF 1537-2015, GJB585A-1998, GJB2426A-2004 And the following terms and definitions apply to this specification. 3.1 metal resonator metalshelresonator The axisymmetric alloy cylindrical structure formed by the fusion of multiple curved surfaces is the core sensitive component of the metal vibrator rate gyroscope. For sensitive input angular rate. A gyroscope sensitive to input angular rate by utilizing the standing wave precession effect on the surface of a multi-surface fused metal resonator. 3.3 inherent rigidity axis inherentrigidityaxis Sensitive components vibrate at the natural frequency, and the vibration amplitude can reach the extreme value of the axis.

4 Overview

4.1 Principle The distribution of metal harmonic oscillators of the metal vibrator type rate gyroscope has inherently rigid axis systems p-axis and q-axis with a difference of 45°, which is The electrical phases of the two shaft systems are orthogonal to each other, and the vibration on the metal resonator can be decomposed and combined orthogonally along the two shaft systems. become. Piezoelectric electrodes are symmetrically and evenly distributed on these key points of the shaft system, which are used to measure and control the mode shape. Metal The working principle of the vibrator-type rate gyroscope is to be sensitive to two orthogonal vibrations and then synthesize them. Metal vibrator rate gyroscope can be It is equivalent to a classic Coriolis vibrating gyro, as shown in Figure 1.The p-axis of the metal harmonic oscillator includes pp and pn, where pp is the axis where the excitation electrode is located, pn is the axis where the feedback electrode is located, and the q-axis of the metal resonator also adopts this arrangement Way. On each acting axis, there are damping force and elastic force.

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