An Initial Exploration of Survivorship Bias in Verification of Build-up Force Standard Machines

ZHANG Wei; ZHANG Zhimin; LI Nan

doi:10.12338/j.issn.2096-9015.2020.9049

Volume 65 Issue 5

Jun. 2021

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ZHANG Wei, ZHANG Zhimin, LI Nan. An Initial Exploration of Survivorship Bias in Verification of Build-up Force Standard Machines[J]. Metrology Science and Technology, 2021, 65(5): 89-92. doi: 10.12338/j.issn.2096-9015.2020.9049

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ZHANG Wei, ZHANG Zhimin, LI Nan. An Initial Exploration of Survivorship Bias in Verification of Build-up Force Standard Machines[J]. Metrology Science and Technology, 2021, 65(5): 89-92. doi: 10.12338/j.issn.2096-9015.2020.9049

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An Initial Exploration of Survivorship Bias in Verification of Build-up Force Standard Machines

doi: 10.12338/j.issn.2096-9015.2020.9049

National Institute of Metrology, Beijing 100029, China

Available Online: 2021-05-17
Publish Date: 2021-06-24

Abstract

Abstract

The paper introduces the characteristics and verification of build-up force standard machines (BMs). Differences between verification and actual working conditions for BMs were analyzed. To deal with the inconsistency under different conditions, a new concept, Verification Survivorship Bias (VSB), was proposed for the first time. An experimental method for BM VSB was developed. The new concept can be used to explore BM characteristics and explain some problems discovered. This work can shed light on manufacturing, verification, use, and evaluation of BMs.
- build-up force standard machine,
- verification working condition,
- actual working condition,
- survivorship bias,
- control experiment,
- axial force,
- parasitic components

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References(15)

References

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