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1、IEEE Std 1431-2004 IEEE Standards 1431 TM IEEE Standard Specification Format Guide and Test Procedure for Coriolis Vibratory Gyros 3 Park Avenue, New York, NY 10016-5997, USA IEEE Aerospace and Electronic Systems Society Sponsored by the Gyro and Accelerometer Panel IEEE Standards 20 December 2004 P
2、rint: SH95224 PDF: SS95224 Copyright The Institute of Electrical and Electronics Engineers, Inc. Provided by IHS under license with IEEELicensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/21/2007 12:02:31 MDTNo reproduction or networking permitted without license from IHS -,-,- Copyrig
3、ht The Institute of Electrical and Electronics Engineers, Inc. Provided by IHS under license with IEEELicensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/21/2007 12:02:31 MDTNo reproduction or networking permitted without license from IHS -,-,- Recognized as an American National Standa
4、rd (ANSI) The Institute of Electrical and Electronics Engineers, Inc. 3 Park Avenue, New York, NY 10016-5997, USA Copyright 2004 by the Institute of Electrical and Electronics Engineers, Inc. All rights reserved. Published 20 December 2004. Printed in the United States of America. IEEE is a register
5、ed trademark in the U.S. Patent +1 978 750 8400. Permission to photocopy portions of any individual standard for educational classroom use can also be obtained through the Copyright Clearance Center. NOTEAttention is called to the possibility that implementation of this standard may require use of s
6、ubject matter covered by patent rights. By publication of this standard, no position is taken with respect to the exist- ence or validity of any patent rights in connection therewith. The IEEE shall not be responsible for identifying patents for which a license may be required by an IEEE standard or
7、 for conducting inquiries into the legal valid- ity or scope of those patents that are brought to its attention. Copyright The Institute of Electrical and Electronics Engineers, Inc. Provided by IHS under license with IEEELicensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/21/2007 12:0
8、2:31 MDTNo reproduction or networking permitted without license from IHS -,-,- Copyright 2004 IEEE. All rights reserved.iii Introduction This new standard consists of two parts: Part I is a specification format guide for the preparation of a Coriolis vibratory gyro specification. It provides a commo
9、n meeting ground of terminology and practice for manufacturers and users. The user is cautioned not to over specify; only those parameters that are required to guarantee proper performance in the specific application should be controlled. In general, the specification should contain only those requi
10、rements that can be verified by test or inspection. Parameters in addition to those given in this standard are not precluded. Part II is a compilation of recommended procedures for testing a Coriolis vibratory gyro. These procedures, including test conditions to be considered, are derived from those
11、 currently in use. For a specific application, the test procedure should reflect the requirements of the specification; therefore, not all tests outlined in this standard need be included, nor are additional tests precluded. In some cases, alternative methods for measur- ing performance characterist
12、ics have been included or indicated. The intent is for the specification writer to extract the applicable test conditions and equipment requirements from clause 11 for inclusion in the appropriate clauses listed under 6.5 of this standard. Similarly, it is intended that the writer extract the applic
13、able test procedures from clause 12 for inclusion in the appropriate clauses listed under 6.6. Part II can also be used as a guide in the preparation of a separate Coriolis vibratory gyro test specification with appropriate clause numbering. In general, the intent is for the specification writer to
14、ensure consistency and traceability between Part II test procedures and Part I requirements for perfor- mance, mechanical, electrical, environmental, reliability, and quality assurance. To that end, a test procedure should not be listed in Part II unless a related requirement exists in Part I. Blank
15、 spaces in the text of this document permit the specification writer to insert specific information such as parameter values and their tolerances, clause numbers, etc. Brackets are used to enclose alternative choices of dimensional units, signs, axes, etc. Boxed statements are included for informati
16、on only and are not part of the specification or test procedures. The terminology used conforms to The Authoritative Dictionary of IEEE Standards Terms, Seventh Edition. The units used conform to ANSI/IEEE Std 268- 1992, IEEE Standard for Metric Practice. The abbreviation of units conforms to ANSI/I
17、EEE Std 260.1- 1993, Standard Letter Symbols for Units of Measurement. The graphic symbols used conform to ANSI/ IEEE Std 315-1975, IEEE Standard Graphic Symbols for Electrical and Electronics Diagrams and its supplement ANSI/IEEE Std 315A-1986. This standard defines the requirements and test proced
18、ures for a Coriolis vibratory gyro in terms unique to the Coriolis vibratory gyro. The requirements contained herein cover applications where the Coriolis vibra- tory gyro is used as an angular motion sensor in navigation and control systems. The term Coriolis vibratory gyro is accepted to include t
19、he electronics necessary to operate the gyro and to condition the output signal. The Coriolis vibratory gyro provides an output proportional to inertial angular rate about its input axis. Annex A lists various Coriolis vibratory gyro design features for which this format is applicable. The list is n
20、ot intended to make any suggestion regarding the selection of particular design features that might restrict the free choice of manufacturers. Annex B is a description of the various types of Coriolis vibratory gyros and their functioning. This introduction is not part of IEEE Std 1431-2004, IEEE St
21、andard Specification Format Guide and Test Procedure for Coriolis Vibratory Gyros. Copyright The Institute of Electrical and Electronics Engineers, Inc. Provided by IHS under license with IEEELicensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/21/2007 12:02:31 MDTNo reproduction or net
22、working permitted without license from IHS -,-,- ivCopyright 2004 IEEE. All rights reserved. Annex C is a compliance matrix that lists requirements clauses and their corresponding test clauses. Notice to users Errata Errata, if any, for this and all other standards can be accessed at the following U
23、RL: http:/ standards.ieee.org/reading/ieee/updates/errata/index.html. Users are encouraged to check this URL for errata periodically. Interpretations Current interpretations can be accessed at the following URL: http:/standards.ieee.org/reading/ieee/interp/ index.html. Patents Attention is called to
24、 the possibility that implementation of this standard may require use of subject matter covered by patent rights. By publication of this standard, no position is taken with respect to the existence or validity of any patent rights in connection therewith. The IEEE shall not be responsible for identi
25、fying patents or patent applications for which a license may be required to implement an IEEE standard or for conducting inquiries into the legal validity or scope of those patents that are brought to its attention. Copyright The Institute of Electrical and Electronics Engineers, Inc. Provided by IH
26、S under license with IEEELicensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/21/2007 12:02:31 MDTNo reproduction or networking permitted without license from IHS -,-,- Copyright 2004 IEEE. All rights reserved.v Participants This publication represents a group effort on a large scale. A
27、 total of 98 individuals attended 48 meetings of the Gyro and Accelerometer Panel while this standard was in preparation. The major contributors to this standard were the following: Randall Curey, Chair *Former Chair The following individual members of the balloting committee voted on this standard.
28、 Balloters may have voted for approval, disapproval, or abstention. When the IEEE-SA Standards Board approved this standard on 25 March 2004, it had the following membership: Don Wright, Chair Steve M. Mills, Vice Chair Judith Gorman, Secretary *Member Emeritus Also included are the following nonvot
29、ing IEEE-SA Standards Board liaisons: Satish K. Aggarwal, NRC Representative Richard DeBlasio, DOE Representative Alan Cookson, NIST Representative Michael D. Fisher IEEE Standards Project Editor David Anderson Michael Ash Cleon Barker Sid Bennett* Stephen Bongiovanni Pierre Bouniol Herbert T. Calif
30、ano Ted Campbell* George W. Erickson Aki Hirobe Tommy Ichinose Jean-Franois Kieffer Tim Lantz Bryan Lovitt David Lynch Jean Martel Robert Moore Harold Morris Ralph Morrow Charles Pearce Rex Peters* Clifford Swanson* Daniel Tazartes Mohammad Tehrani Leroy Thielman Christopher Trainor Angelo Truncale
31、Akira Umeda Dave Winkel Bruce Youmans Michael Ash Cleon Barker Sid Bennett Herbert T. Califano Jose Calvano Randall Curey George W. Erickson Yuri Filatov Arkady Sinelnikov Vladimir Skvortzov Clifford Swanson Daniel Tazartes Leroy Thielman Bruce Youmans Chuck Adams H. Stephen Berger Mark D. Bowman Jo
32、seph A. Bruder Bob Davis Roberto de Boisson Julian Forster* Arnold M. Greenspan Mark S. Halpin Raymond Hapeman Richard J. Holleman Richard H. Hulett Lowell G. Johnson Joseph L. Koepfinger* Hermann Koch Thomas J. McGean Daleep C. Mohla Paul Nikolich T. W. Olsen Ronald C. Petersen Gary S. Robinson Fra
33、nk Stone Malcolm V. Thaden Doug Topping Joe D. Watson Copyright The Institute of Electrical and Electronics Engineers, Inc. Provided by IHS under license with IEEELicensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/21/2007 12:02:31 MDTNo reproduction or networking permitted without lic
34、ense from IHS -,-,- Copyright The Institute of Electrical and Electronics Engineers, Inc. Provided by IHS under license with IEEELicensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/21/2007 12:02:31 MDTNo reproduction or networking permitted without license from IHS -,-,- CONTENTS 1. Ov
35、erview 1 1.1 Scope. 1 1.2 Document structure 1 1.3 Definitions. 1 2. References 2 Part ISpecification format. 3 3. Purpose. 3 4. Applicable documents 3 4.1 Specifications 3 4.2 Standards . 3 4.3 Drawings 4 4.4 Bulletins. 4 4.5 Other publications 5 5. Requirement . 5 5.1 Description 5 5.2 General req
36、uirements. 5 5.3 Performance. 5 5.4 Mechanical requirements. 12 5.5 Electrical interface requirements. 13 5.6 Environmental requirements 15 5.7 Life 20 5.8 Reliability 20 6. Quality assurance provisions 21 6.1 Classification of tests. 21 6.2 Acceptance tests 21 6.3 Qualification tests 22 6.4 Reliabi
37、lity tests 22 6.5 Test conditions and equipment 23 6.6 Test methods 23 7. Preparation for delivery 27 8. Notes. 27 8.1 Intended use. 27 8.2 Ordering data. 27 8.3 Model equation 28 Copyright 2004 IEEE. All rights reserved. vii Copyright The Institute of Electrical and Electronics Engineers, Inc. Prov
38、ided by IHS under license with IEEELicensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/21/2007 12:02:31 MDTNo reproduction or networking permitted without license from IHS -,-,- Part IITest procedure 31 9. Test procedure overview 31 10. Description . 31 11. Test conditions and test equ
39、ipment. 31 11.1 Standard test conditions. 31 11.2 Standard operating and test equipment 33 12. Test procedures. 34 12.1 Examination of productmechanical. 34 12.2 Examination of productelectrical. 34 12.3 Leak test. 36 12.4 Input power 36 12.5 Turn-on time 37 12.6 Warm-up time 37 12.7 Polarity 38 12.
40、8 Operating temperature test series. 38 12.9 Gyro scale factor test series. 39 12.10 Input rate limits test. 42 12.11 Drift rate test series 43 12.12 Input axis alignment 45 12.13 Angle storage. 47 12.14 Run-down time 48 12.15 Transfer function . 49 12.16 Generated fields. 49 12.17 Environment test
41、series 50 12.18 Life tests 50 12.19 Reliability tests 52 Annex A (informative) Design features of Coriolis Vibratory Gyros 53 Annex B (informative) Coriolis Vibratory Gyros. 56 B.1 Introduction. 56 B.2 Two-dimensional oscillator. 58 B.3 Pendulum variables. 58 B.4 Control of a CVG 59 B.5 CVG in the f
42、orce-rebalance mode. 60 B.6 CVG in the whole-angle mode 61 B.7 Generalized two-dimensional oscillator equations 62 B.8 Simplified analysis of the force-rebalance CVG. 62 B.9 Simplified analysis of the open-loop CVG. 63 B.10 Annex B Bibliography 66 Annex C (informative) Compliance matrix 67 viii Copy
43、right 2004 IEEE. All rights reserved. Copyright The Institute of Electrical and Electronics Engineers, Inc. Provided by IHS under license with IEEELicensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/21/2007 12:02:31 MDTNo reproduction or networking permitted without license from IHS -,
44、-,- IEEE Standard Specification Format Guide and Test Procedure for Coriolis Vibratory Gyros 1. 1.1 1.2 1.3 Overview Scope Specification and test requirements for a single-axis Coriolis vibratory gyro (CVG) for use as a sensor in attitude control systems, angular displacement measuring systems, and
45、angular rate measuring systems are defined. A standard specification format guide for the preparation of a single-axis CVG is provided. A compilation of recommended procedures for testing a CVG, derived from those presently used in the industry, is also provided. Informative annexes cover CVG design
46、 features and theoretical principles of operation. Document structure This standard consists of two parts: Part I is a specification format guide for the preparation of a CVG specification; Part II is a compilation of recommended procedures for testing a CVG. Definitions Except for the terms defined
47、 below, The Authoritative Dictionary of IEEE Standards Terms, Seventh Edition; IEEE Std 528TM-20011; and the model equation of 8.3 define terminology used in this standard. 1.3.1 Angle storage (Coriolis Vibratory Gyro): The angular information stored in a gyro as a result of its dynamics. 1.3.2 Cori
48、olis Vibratory Gyro (CVG): A gyro based on the coupling of a structural, driven, vibrating mode into at least one other structural mode (pickoff) via Coriolis acceleration. NOTECVGs may be designed to operate in open-loop, force-rebalance (i.e., closed-loop) and / or whole angle modes.2 1.3.3 Force-rebalance mode (Coriolis Vibratory Gyro): A mode in which the vibration amplitude of the pickoff is nulled by a signal whose amplitude is proportional to the rotation rate about th