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Fatigue life analysis of the actuator based on co-simulation

  • Beihang University
  • Traffic Control Technology Co., Ltd.

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This paper utilizes the co-simulation technology with Motion and AMESim to build the co-simulation life model of a mechanical system and a hydraulic system of an actuator. In the life model, the time-varying oil pressure in the chamber is considered to describe the working condition of the actuator. First, we analyze main failure mechanisms of the actuator system to obtain weaknesses which affects the working life of the actuator system, and list the corresponding deterioration mechanisms and sensitive loads. After that, we use AMESim to build a one-dimensional hydraulic system model, Motion and ANSYS to build a rigid-flexible coupling model of the mechanical system. By integrating this two models, the life simulation platform of the actuator with multiple mechanisms and stresses is built. Meanwhile, the time-varying curve of the oil pressure is obtained. Finally, the fatigue life of the actuator is estimated based on the linear fatigue cumulative damage theory.

Original languageEnglish
Title of host publicationProceedings of 2015 the 1st International Conference on Reliability Systems Engineering, ICRSE 2015
EditorsShunong Zhang, Zili Wang
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781467385565
DOIs
StatePublished - 24 Dec 2015
Event1st International Conference on Reliability Systems Engineering, ICRSE 2015 - Beijing, China
Duration: 21 Oct 201523 Oct 2015

Publication series

NameProceedings of 2015 the 1st International Conference on Reliability Systems Engineering, ICRSE 2015

Conference

Conference1st International Conference on Reliability Systems Engineering, ICRSE 2015
Country/TerritoryChina
CityBeijing
Period21/10/1523/10/15

Keywords

  • actuator
  • AMESim
  • co-simulation
  • dynamic simulation
  • fatigue life
  • Motion

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