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GB/T 20485.43-2021Methods for the calibration of vibration and shock transducers - Part 43: Calibration of accelerometers by model-based parameter identification (English PDF)

振动与冲击传感器校准方法 第43部分:基于模型参数辨识的加速度计校准

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

August 20, 2021

Implementation date

March 1, 2022

Scope

GB/T 20485.43-2021 is the English-translated version of 振动与冲击传感器校准方法 第43部分:基于模型参数辨识的加速度计校准.

GB/T 20485.43-2021 is the Chinese standard "Methods for the calibration of vibration and shock transducers - Part 43: Calibration of accelerometers by model-based parameter identification".

Its scope clause reads: This part of GB/T 20485 specifies the parameter estimation and the corresponding error in the mathematical model used to describe the input and output characteristics of the vibration sensor.

Terminology and methods of certainty assessment. The methods described are based on ISO 16063-11, ISO 16063-13, ISO 16063-21 and ISO 16063-22 The specified calibration procedure is based on the parameter estimation of the collected calibration data.

This part is about the existing procedures and definitions in the above standards The described uncertainty assessment is in accordance with ISO /IEC GUIDE98-3 and ISO /IEC GUIDE98-3-SP1 method.

The new features described in this section are used to improve the quality of calibration and measurement applications for broadband/transient input signals (such as shocks).

This part The characteristic description method of the response of the vibration sensor to the transient input signal is given, and the input signal is predicted by using the obtained output signal, as Accurate measurement of transient vibration signals provides a basis.

In order to provide single-valued characteristics beyond the requirements of ISO 16063-13 and ISO 16063-22 The measurement capability and uncertainty of the range, the accelerometer calibration data of the above application areas should be evaluated and recorded according to the following methods.

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Document preview — GB/T 20485.43-2021

National Standard of the People's Republic of China

Classification
J 04

Issued by: State Administration for Market Regulation, China National Standardization Administration

Contents

  • Foreword
  • Introduction
  • 1 Scope
  • 2 Normative references
  • 3 Terms and definitions
  • 4 Symbol
  • 5 Typical frequency response and transient excitation analysis
  • 6 General method
  • 7 Linear mass-spring-damping model
  • 7.1 Model
  • 7.2 Parameter identification based on sinusoidal calibration data
  • 7.3 Identification based on frequency domain shock calibration data
  • 8 Attention in use
  • 8.1 Influence of the measuring chain
  • 8.2 Synchronization of measurement channels
  • 8.3 Characteristics of the source data used for identification
  • 8.4 Validation test of the model and the validity of the parameters
  • 8.5 Statistical Test of Model Effectiveness
  • 9 Results report
  • 9.1 General considerations of the report
  • 9.2 Results and conditions of the report

1 Scope

This part of GB/T 20485 specifies the parameter estimation and the corresponding error in the mathematical model used to describe the input and output characteristics of the vibration sensor.

Terminology and methods of certainty assessment. The methods described are based on ISO 16063-11, ISO 16063-13, ISO 16063-21 and ISO 16063-22

The specified calibration procedure is based on the parameter estimation of the collected calibration data. This part is about the existing procedures and definitions in the above standards

The described uncertainty assessment is in accordance with ISO /IEC GUIDE98-3 and ISO /IEC GUIDE98-3-SP1 method.

The new features described in this section are used to improve the quality of calibration and measurement applications for broadband/transient input signals (such as shocks). This part

The characteristic description method of the response of the vibration sensor to the transient input signal is given, and the input signal is predicted by using the obtained output signal, as

Accurate measurement of transient vibration signals provides a basis. In order to provide single-valued characteristics beyond the requirements of ISO 16063-13 and ISO 16063-22

The measurement capability and uncertainty of the range, the accelerometer calibration data of the above application areas should be evaluated and recorded according to the following methods.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article

Pieces. For undated reference documents, the latest version (including all amendments) is applicable to this document.

ISO 2041 Mechanical vibration, shock and condition monitoring vocabulary (Mechanicalvibration, shockandconditionmonito- ring-Vocabulary)

ISO 16063-1 Vibration and shock sensor calibration methods Part 1.Basic concepts (Methods for the calibration ofvibrationandshocktransducers-Part 1.Basicconcepts)

ISO 16063-11 Vibration and Shock Sensor Calibration Methods Part 11.Laser Interferometry Vibration Absolute Calibration (Methods forthecalibrationofvibrationandshocktransducers-Part 11.Primaryvibrationcalibrationbylaser interferometry)

ISO 16063-13 Vibration and shock sensor calibration methods Part 13.Laser interferometric shock absolute calibration (Methodsfor thecalibrationofvibrationandshocktransducers-Part 13.Primaryshockcalibrationusinglaserin- terferometry)

ISO 16063-21 Vibration and shock sensor calibration methods Part 21.Vibration comparison method calibration (Methods for the calibrationofvibrationandshocktransducers-Part 21.Vibrationcalibrationbycomparisontoaref- erencetransducer)

ISO 16063-22 Vibration and shock sensor calibration methods part 22.shock comparison method calibration (Methodsforthecali- brationofvibrationandshocktransducers-Part 22.Shockcalibrationbycomparisontoareference transducer)

ISO /IEC GUIDE98-3 Measurement Uncertainty Part 3.Guidelines for Expression of Measurement Uncertainty (GUM.1995) [Uncer- taintyofmeasurement-Part 3.Guidetotheexpressionofuncertaintyinmeasurement(GUM.1995)]

ISO /IEC GUIDE98-3-SP1 Measurement Uncertainty Part 3.Guidelines for Expression of Measurement Uncertainty (GUM.1995)-Attached

GB/T 20967 | GB/T 19802 | GB/T 19873.1 | GB/T 20485.32 | GB/T 20485.33 | GB/T 20485.42 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 30 pages — is available in the English PDF.

Referenced standards

Normative references

ISO 2041 · ISO 16063

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