IEEE 836 2001

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IEEE Recommended Practice for Precision Centrifuge Testing of Linear Accelerometers

Published By	Publication Date	Number of Pages
IEEE	2001	97

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Description

Revision Standard – Inactive – Superseded. This recommended practice provides a guide to the conduct and analysis of precision centrifuge tests of linear accelerometers, covering each phase of the tests, beginning with the planning. Possible error sources and typical methods of data analysis are addressed. The intent is to provide those involved in centrifuge testing with a detailed understanding of the various factors affecting the accuracy of measurement, both those associated with the centrifuge and those in the data collection process. Model equations are discussed, both for the centrifuge and for a typical linear accelerometer, each with the complexity needed to accommodate the various identified characteristics and error sources in each. An iterative matrix equation solution is presented for deriving the various model equation coefficients for the accelerometer under test from the centrifuge test data.

PDF Catalog

PDF Pages	PDF Title
1	Cover
2	IEEE Recommended Practice for Precision Centrifuge Testing of Linear Accelerometers
4	Introduction
5	Participants
7	Contents
12	1. Overview 1.1 Scope 1.2 Purpose 2. References
13	3. Definitions, symbols, and acronyms 3.1 Definitions relevant to centrifuge testing
14	3.2 Symbols and acronyms
19	4. Summary
20	5. Model equations
21	5.1 Simplified accelerometer model 5.2 Simplified centrifuge model
22	5.3 Simplified gravity model
23	6. Test error sources 6.1 Radius uncertainty
29	6.2 Alignment uncertainty
33	6.3 Angular velocity uncertainty
36	6.4 Sensor temperature effects
39	6.5 Trend during test
40	6.6 Accelerometer signal measurement
45	7. Complete model equations 7.1 Accelerometer model
46	7.2 Centrifuge model
50	8 Test procedures 8.1 Test planning
51	8.2 Test preparation and calibration
52	8.3 Testing and data acquisition
57	9. Data reduction 9.1 Determination of total acceleration input
58	9.2 Compensations to accelerometer output
59	9.3 Determination of accelerometer model coefficients
70	Annex A—Characteristics of known precision centrifuges
75	Annex B—Centrifuge evaluation
77	Annex C—Fitting theory
84	Annex D—Limitations of and alternatives to centrifuge testing
89	Annex E—Precision centrifuge tests on dual-proof-mass VBAs
93	Annex F—Scale factor calibration with a centrifuge
95	Annex G—Data acquisition and thermal control in centrifuge testing
97	Annex H—Bibliography