Research of Function Safety of The Hardware Platform of CNC System

被引：3
|
作者：
Gu Ai [1 ,2 ]
Yin Zhenyu [2 ]
Li Suo [1 ,3 ]
Xu Wenjun [1 ,2 ]
机构：
[1] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[2] Chinese Acad Sci, Shenyang Inst Comp Technol, Shenyang 110168, Liaoning, Peoples R China
[3] Shenyang Golding NC IntelligenceTech Co Ltd, Shenyang 110168, Liaoning, Peoples R China
来源：
2017 10TH INTERNATIONAL CONFERENCE ON INTELLIGENT COMPUTATION TECHNOLOGY AND AUTOMATION (ICICTA 2017) | 2017年
关键词：
functional safety; numerical control device; Markov; IEC; 62061; safe integrity level;
D O I：
10.1109/ICICTA.2017.53
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Considering the current situation of the hardware platform of domestic numerical control device has an insufficient safety performance and lack of effective quantitative evaluation method, this paper analyzes the requirements of hardware function safety of domestic CNC system and come up with a numerical control device hardware platform failure assessment model based on failure model effect diagnostic analysis and Markov method. After analysis of computing device hardware failure probability and importance of failure cause, the safe integrity level of numerical device can be determined, and find out the weak links in hardware design which could provide theoretical guidance for subsequent development.
引用
收藏
页码：207 / 210
页数：4
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