NDLI: System reliability analysis of NC Equipment based on system failure evolution model

Content Provider	IEEE Xplore Digital Library
Author	Qingli Wang Jianmin Gao Kun Chen Aiming Xu
Copyright Year	2014
Description	Author affiliation: State Key Lab. for Strength & Vibration of Mech. Struct., Xi'an Jiaotong Univ., Xian, China (Qingli Wang; Jianmin Gao; Kun Chen; Aiming Xu)
Abstract	Numerical control (NC) machine tool is typical mechatronics system with complicated failure features. System reliability may be affected by the internal properties, external factors, dynamic physical effects and the complex interdependent relationship, and it is too complicated to accurately model or analyse by conventional methods. Improving the reliability of machine tool cannot rely solely on improving unit parts reliability level, and reliability design should be performed at the system level for a better profit. For this purpose, using agent-oriented modeling method, a system failure evolution model is proposed to simulate the failure dynamic process. With the model, not only system lifetime and reliability can be analyzed, system failure mechanism and impact of the internal properties, external factors and system parameters also can be researched. Unit failure-agent model, system-level failure-agent model, hierarchical model structure and simulation control method are described separately. Finally, an example of the machine tool's feed system model is given to simulate and analyze system life, and a further analysis indicate that the model is valid and close to the real data.
Starting Page	390
Ending Page	395
File Size	450838
Page Count	6
File Format	PDF
ISBN	9781479939787
e-ISBN	9781479939794
DOI	10.1109/ICMA.2014.6885729
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-08-03
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Reliability Analytical models Data models Feeds Machine tools Servomotors Computer numerical control NC Equipment System reliability Complex interaction Failure-Agent model Failure evolution model
Content Type	Text
Resource Type	Article

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