NDLI: Functional Safety Problems in the Ubiquitous Environment

Content Provider	IEEE Xplore Digital Library
Author	Jing, Lei Cheng, Zixue
Copyright Year	2007
Description	Author affiliation: The University of Aizu, Japan (Jing, Lei; Cheng, Zixue)
Abstract	With the progress of wireless networks, sensor networks, RF-ID networks, etc. ubiquitous environment providing context-aware service to users everywhere becomes possible, so that our living and working environment becomes more convenient. On the other hand, the more devices the environment employs, the more danger it is, if the system/services go out of order. Therefore to guarantee safety becomes an important problem in ubiquitous environment. Functional safety is a concept regarding safety, which means even though the device has some problems or failures, the system should have some ways to guarantee people/equipment get less damages than a designed level. Concepts and methods of functional safety have been used in many traditional industries, such as nuclear energy industry, railway, etc. for years, but have not been well used in ubiquitous systems. In this paper, we compare the difference of ubiquitous system with the systems used in traditional industries. Then we pose some problems which should be solved for the functional safety in ubiquitous environment and discuss some ideas for solving the problems. We also show an example considering the functional safety in design of a ubiquitous application.
Starting Page	1035
Ending Page	1040
File Size	273510
Page Count	6
File Format	PDF
ISBN	9780769528472
DOI	10.1109/AINAW.2007.191
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-05-21
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Computer science Wireless sensor networks Safety devices IEC standards Government Electrical safety Railway safety Humans Educational institutions Ubiquitous computing
Content Type	Text
Resource Type	Article

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