Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/5888
Title: Guaranteeing proper-temporal-embedding safety rules in wireless CPS : a hybrid formal modeling approach
Authors: Tan, F
Wang, Y
Wang, Q 
Bu, L
Zheng, R
Suri, N
Keywords: Automata
Base stations
Computers
Lasers
Safety
Synchronization
Wireless communication
Issue Date: 2013
Publisher: IEEE
Source: The 43rd Annual IEEE/IFIP International Conference on Dependable Systems and Networks (DSN) : proceedings : 24-27 June, 2013, Budapest, Hungary, p. [1-12] How to cite?
Abstract: Cyber-Physical Systems (CPS) integrate discretetime computing and continuous-time physical-world entities, which are often wirelessly interlinked. The use of wireless safety critical CPS (control, healthcare etc.) requires safety guarantees despite communication faults. This paper focuses on one important set of such safety rules: Proper-Temporal-Embedding (PTE). Our solution introduces hybrid automata to formally describe and analyze CPS design patterns. We propose a novel lease based design pattern, along with closed-form configuration constraints, to guarantee PTE safety rules under arbitrary wireless communication faults. We propose a formal methodology to transform the design pattern hybrid automata into specific wireless CPS designs. This methodology can effectively isolate physical world parameters from affecting the PTE safety of the resultant specific designs. We conduct a case study on laser tracheotomy wireless CPS to show that the resulting system is safe and can withstand communication disruptions.
URI: http://hdl.handle.net/10397/5888
ISBN: 978-1-4673-6471-3
ISSN: 1530-0889
DOI: 10.1109/DSN.2013.6575357
Rights: © 2013 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
The following article "Tan, Feng; Wang, Yufei; Wang, Qixin; Bu, Lei; Zheng, Rong; Suri, Neeraj, "Guaranteeing Proper-Temporal-Embedding safety rules in wireless CPS: A hybrid formal modeling approach," Dependable Systems and Networks (DSN), 2013 43rd Annual IEEE/IFIP International Conference on , vol., no., pp.1,12, 24-27 June 2013" is available at http://dx.doi.org/10.1109/DSN.2013.6575357
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