A Novel Approach for Accelerated Life Testing of Ground Vehicle Components

Öztürk, Umud Esat

doi:10.1007/s40799-016-0166-x

Cited by 5 publications

(2 citation statements)

References 11 publications

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“…Accelerated life test can be used to evaluate the reliability of products accurately and efficiently, especially for products with many kinds of stress and complex failure mechanism. After obtaining the failure data, how to establish an accurate reliability model according to the characteristics of the product is the key problem [13][14][15][16].…”

Section: Accelerated Life Test (Alt) Was First Proposed Bymentioning

confidence: 99%

Accelerated Life Reliability Evaluation of Grating Ruler for CNC Machine Tools Based on Competing Risk Model and Incomplete Data

Yang

et al. 2021

Preprint

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Grating ruler is the high-precision linear displacement sensor used in the servo control system of CNC machine tools. It is one of the key components affecting the machining accuracy of CNC machine tools. Due to the long life-time of grating ruler, and it will cost a lot of time and resources to evaluate its reliability level by traditional life test. At the same time, there are some incomplete data in the failure data, which will cause inaccurate evaluation results. In this paper, an accelerated life reliability evaluation method of grating ruler based on competing risk model and incomplete data is proposed. Firstly, according to the characteristics of grating ruler, the life distribution model based on competitive risk is established, and the representation method and conversion method of failure data considering incomplete data are proposed. Secondly, the accelerated life test system which can apply temperature and humidity accelerated stress is built, and the reliability level of JFT series closed absolute grating ruler is evaluated by the proposed method. Finally, the proposed method is compared with the single life distribution model to verify the effectiveness.

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Section: Accelerated Life Test (Alt) Was First Proposed Bymentioning

confidence: 99%

Accelerated Life Reliability Evaluation of Grating Ruler for CNC Machine Tools Based on Competing Risk Model and Incomplete Data

Yang

et al. 2021

Preprint

View full text Add to dashboard Cite

show abstract

Section: Accelerated Life Test (Alt) Was First Proposed Bymentioning

confidence: 99%

Accelerated life reliability evaluation of grating ruler for CNC machine tools based on competing risk model and incomplete data

Yang

et al. 2021

Int J Adv Manuf Technol

View full text Add to dashboard Cite

Grating ruler is the high-precision linear displacement sensor used in the servo control system of CNC machine tools. It is one of the key components affecting the machining accuracy of CNC machine tools. Due to the long life-time of grating ruler, and it will cost a lot of time and resources to evaluate its reliability level by traditional life test. At the same time, there are some incomplete data in the failure data, which will cause inaccurate evaluation results. In this paper, an accelerated life reliability evaluation method of grating ruler based on competing risk model and incomplete data is proposed. Firstly, according to the characteristics of grating ruler, the life distribution model based on competitive risk is established, and the representation method and conversion method of failure data considering incomplete data are proposed.Secondly, the accelerated life test system which can apply temperature and humidity accelerated stress is built, and the reliability level of JFT series closed absolute grating ruler is evaluated by the proposed method. Finally, the proposed method is compared with the single life distribution model to verify the effectiveness.

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Scenario-based multidisciplinary optimization for a new accelerated life testing of electric traction motor and inverter system

Kim

Lee

2022

Struct Multidisc Optim

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A Novel Approach for Accelerated Life Testing of Ground Vehicle Components

Cited by 5 publications

References 11 publications

Accelerated Life Reliability Evaluation of Grating Ruler for CNC Machine Tools Based on Competing Risk Model and Incomplete Data

Accelerated Life Reliability Evaluation of Grating Ruler for CNC Machine Tools Based on Competing Risk Model and Incomplete Data

Accelerated life reliability evaluation of grating ruler for CNC machine tools based on competing risk model and incomplete data

Scenario-based multidisciplinary optimization for a new accelerated life testing of electric traction motor and inverter system

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