Fatigue reliability analysis of mechanical components for airflow control in pneumatic solenoid valve

Tai-Yan Kam*

*Corresponding author for this work

Research output: Contribution to journalConference article

Abstract

Pneumatic solenoid valves have been broadly used in vehicles to perform automatic control task. For safety reason, they have to be highly reliable and must have long fatigue lives. The failure of the mechanical components including a conical spring and rubber seal can induce airflow disorder, which renders the unreliability of the pneumatic solenoid valve. A method is presented to study the fatigue reliability of the mechanical components used for airflow control in a pneumatic solenoid valve. The statistics of the parameters used to derive the probability distributions of the stresses/strains in the mechanical components are obtained from the measurements of the parameter properties and static load testing of the components. The existing material S-N curves and stress/strain probability distributions are used to determine the reliabilities of the mechanical components. Based on the series system criterion, the fatigue reliability of the pneumatic solenoid valve with the consideration of the airflow disorder failure mode is computed for the life of 1 million cycles.

Original languageEnglish
Article number012063
JournalIOP Conference Series: Materials Science and Engineering
Volume397
Issue number1
DOIs
StatePublished - 31 Aug 2018
Event6th Annual International Conference on Material Science and Engineering, ICMSE 2018 - Suzhou, Jiangsu, China
Duration: 22 Jun 201824 Jun 2018

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