A context-based approach to reliable control

被引:0
作者
Suyama, K [1 ]
机构
[1] Tokyo Univ Mercantile Marine, Dept Elect & Mech Engn, Tokyo 1358533, Japan
来源
ELECTRONICS AND COMMUNICATIONS IN JAPAN PART III-FUNDAMENTAL ELECTRONIC SCIENCE | 2001年 / 84卷 / 06期
关键词
fault tolerance; device failures; controller design; PRA; context;
D O I
暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Recently, measures for control system safety against failures in control devices have attracted widespread attention. Probabilistic Risk Assessment (PRA) plays an important:role in safety/reliability analysis of safety-critical control systems. The objective of this paper is to present a new framework of reliable control, a context-based approach, to make the best use of the analysis result given by PRA. Only device failure cases included in contexts given by PRA, which are to be considered, are treated directly, and a controller is designed for the measures against them from the viewpoint of control theory. The presented controller design is for practical use in the design-analysis iteration framework with PRA. (C) 2001 Scripta Technica.
引用
收藏
页码:12 / 22
页数:11
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