standards for gyros and accelerometers; - ieee-sagrouper.ieee.org/groups/gap/gapact.pdf · july...
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July 1999
Standards for Gyros andAccelerometers;
the work of the IEEE/AESS Gyro andAccelerometer Panel
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Where do we fit in the StandardsProcess?
ISO
ANSI
IEEEIEEE SA
IEEE/AESS
GAP
We write them...
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Exactly what do we do, and whoare we?
• “The purpose of the Panel is to create standardterminology, specification formats, test procedures, and topromulgate understanding of components, for detection ormeasurement of linear or angular motion.”
• “The Panel is composed of representatives of industry,government laboratories, educational institutions andprofessional societies who are knowledgeable of thecharacteristics, operating principles, sources of error, andareas of application of these components.”
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Why do we want to writestandards?
• Reduced confusion as to best way todescribe the technology and products
• Improved efficiency in development,production, test and sales
• Personal development– increased knowledge
– currency
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Who does our membershiprepresent?
• Ourselves as individuals
• But, most are sponsored by their companiesor organizations:– industry WORLDWIDE (users and producers)
– government, universities and not-for-profits
– consultants
– retired
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Standards represent consensus
• If they didn’t, they would not be accepted
• Consensus requires openness, compromiseand collegiality
• All decisions documented and published
• Balance between users, producers and otherinterested parties
• Taking the time to get it right
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How do we work?
• Meet 6 times a year for 2 days at a time
• Venue moves around the US (and now theworld); hosted by companies and sometimesindividuals
• Panel has two standing Committees (Gyrosand Accelerometers)
• Work objectives determined once a year
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1999 Work Objectives
Accelerometers Gyros 1) See P1293, “Standard Specification
Format Guide and Test Procedure forLinear, Single-Axis, NongyroscopicAccelerometers,” through the publicationsprocess.
2) Continue revising P836, “IEEERecommended Practice for PrecisionCentrifuge Testing of LinearAccelerometers”
3) Continue to compile new and revisedsensor terminology to be incorporated inthe revision of Std. 528, “IEEE Standard forInertial Sensor Terminology.”
1) Continue work on P1431, “IEEE StandardSpecification Format Guide and TestProcedure for Coriolis Vibratory Gyros.”
2) Continue to compile new and revisedsensor terminology to be incorporated inthe revision of Std. 528, “IEEE Standard forInertial Sensor Terminology.”
In addition the full Panel adopted an objective of continuing the revision of IEEEStd. 528, “Inertial Sensor Terminology.” A number of existing standards are duefor reconsideration during the course of the year and both the panel and thecommittees will address these as necessary.
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Communications
• Regular meetings and information mailinglist
• Web site with both public and private areas– http://ieee.grouper.org/groups/gap
– minutes, unapproved drafts, position papers,and other working documents posted in privatearea
• emailing list
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Steps to prepare a typicalstandard
• Identify the need, and obtain approval fromIEEE SA Standards Board (“ProjectAuthorization Request”, PAR)
• Develop draft document in a committee
• Panel votes to send document out forindustry review; comments documented andformally considered.
• Formal vote by mail ballot
• Submission to IEEE Standards Board
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Standards Maintained by theGAP
292-1969 (R1992) IEEE Specification Format for Single-Degree-of-Freedom Spring-Restrained Rate Gyros337-1972 (R1992) (superceded by 1293-1998) IEEE Standard Specification Format Guide and Test Procedures forLinear, Single-Axis, Pendulous, Analog Torque Balance Accelerometer517-1974 (R1994) IEEE Standard Specification Format Guide and Test Procedure for Single-Degree-of-FreedomRate-Integrating Gyro528-1994 IEEE Standard for Inertial Sensor Terminology529-1980 (R1994) IEEE Supplement for Strapdown Applications to IEEE Standard Specification Format Guide andTest Procedure for Single-Degree-of-Freedom Rate-Integrating Gyros530-1978 (R1992) (superceded by 1293-1998) IEEE Standard Specification Format Guide and Test Procedure forLinear, Single-Axis, Digital, Torque-Balance Accelerometer647-1995 IEEE Standard Specification Format Guide and Test Procedure for Single-Axis Laser Gyros671-1985 (R1991) IEEE Standard Specification Format Guide and Test Procedure for Nongyroscopic InertialAngular Sensors: Jerk, Acceleration, Velocity, and Displacement813-1988 (R1993) IEEE Specification Format Guide and Test Procedure for Two-Degree-of-Freedom DynamicallyTuned Gyros836-1991 IEEE Recommended Practice for Precision Centrifuge Testing of Linear Accelerometers952-1997 IEEE Standard Specification Format Guide and Test Procedure for ßingle-Axis Interferometric FiberOptic Gyros1293-1998 IEEE Standard Specification Format Guide and Test Procedure for Linear, Single-Axis, NongyroscopicAccelerometersThese standards may be ordered from the IEEE. See http://standards.ieee.org/catalog/aero.html
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Standards Maintenance
• We are required to review existingstandards every 5 years for accuracy andrelevance
• Sunset provision: if no action is taken bythe GAP the IEEE SA will withdraw thestandard
• We can decide to revise the standard (newPAR) or, by mail ballot, to reaffirm orwithdraw
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Current OfficersOffice
Name
Contact via:
Panel Chair Sid Bennett [email protected]
Panel Vice Chair Rex Peters [email protected]
AccelerometerCommitteeChair Dr. Michael Ash [email protected]
Gyro CommitteeChair Lee Thielman [email protected]
IEEE LiaisonMember Dr. Michael Ash [email protected]
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Thanks for listening...