Reliability design and optimization of a retracting actuator based on NESSUS

Hui Na Mu; Yang Wen; Shao Wei Guo; Yao Zhang

doi:10.11943/j.issn.1006-9941.2015.01.017

Reliability design and optimization of a retracting actuator based on NESSUS

Hui Na Mu, Yang Wen, Shao Wei Guo, Yao Zhang

School of Mechatronical Engineering

Beijing Institute of Technology

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

In order to improve the design reliability of a retracting actuator, the reliability was analyzed and obtained by NESSUS (Numerical Evaluation of Stochastic Structures Under Stress) software based on the stress-strength interference theory, and the sensitivity and importance analysis on random variables which affect the design reliability were also done. Results show that the design reliability of the acuator is 0.99999999986, and the relative error between the test value is 1.3E-10, which is acceptable in engineering. The parameters that have relatively greater effect on the reliability orderes in degree as following diameter of shear pin, active area of output pressure, gunpowder impetus and density of detonator output charge. The consistency of these parameters should be guaranteed in material selection and product processing.

Original language	English
Pages (from-to)	85-88
Number of pages	4
Journal	Hanneng Cailiao/Chinese Journal of Energetic Materials
Volume	23
Issue number	1
DOIs	https://doi.org/10.11943/j.issn.1006-9941.2015.01.017
Publication status	Published - 25 Jan 2015

Keywords

Importance analysis
Reliability design
Retracting actuator
Sensitivity analysis
Special energy theory and technology

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10.11943/j.issn.1006-9941.2015.01.017

Cite this

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title = "Reliability design and optimization of a retracting actuator based on NESSUS",

abstract = "In order to improve the design reliability of a retracting actuator, the reliability was analyzed and obtained by NESSUS (Numerical Evaluation of Stochastic Structures Under Stress) software based on the stress-strength interference theory, and the sensitivity and importance analysis on random variables which affect the design reliability were also done. Results show that the design reliability of the acuator is 0.99999999986, and the relative error between the test value is 1.3E-10, which is acceptable in engineering. The parameters that have relatively greater effect on the reliability orderes in degree as following diameter of shear pin, active area of output pressure, gunpowder impetus and density of detonator output charge. The consistency of these parameters should be guaranteed in material selection and product processing.",

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AU - Mu, Hui Na

AU - Wen, Yang

AU - Guo, Shao Wei

AU - Zhang, Yao

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Y1 - 2015/1/25

N2 - In order to improve the design reliability of a retracting actuator, the reliability was analyzed and obtained by NESSUS (Numerical Evaluation of Stochastic Structures Under Stress) software based on the stress-strength interference theory, and the sensitivity and importance analysis on random variables which affect the design reliability were also done. Results show that the design reliability of the acuator is 0.99999999986, and the relative error between the test value is 1.3E-10, which is acceptable in engineering. The parameters that have relatively greater effect on the reliability orderes in degree as following diameter of shear pin, active area of output pressure, gunpowder impetus and density of detonator output charge. The consistency of these parameters should be guaranteed in material selection and product processing.

AB - In order to improve the design reliability of a retracting actuator, the reliability was analyzed and obtained by NESSUS (Numerical Evaluation of Stochastic Structures Under Stress) software based on the stress-strength interference theory, and the sensitivity and importance analysis on random variables which affect the design reliability were also done. Results show that the design reliability of the acuator is 0.99999999986, and the relative error between the test value is 1.3E-10, which is acceptable in engineering. The parameters that have relatively greater effect on the reliability orderes in degree as following diameter of shear pin, active area of output pressure, gunpowder impetus and density of detonator output charge. The consistency of these parameters should be guaranteed in material selection and product processing.

KW - Importance analysis

KW - Reliability design

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KW - Sensitivity analysis

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Reliability design and optimization of a retracting actuator based on NESSUS

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