Publications: Journal Article: Safety Verification of Hybrid Systems by Constraint Propagation Based Abstraction Refinement

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Author, Editor(s)

Author(s):

Ratschan, Stefan
She, Zhikun

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BibTeX cite key*:

Ratschan2007

Title

Title*:

Safety Verification of Hybrid Systems by Constraint Propagation Based Abstraction Refinement

Journal

Journal Title*:	ACM Transactions in Embedded Computing Systems	Journal's URL:	http://portal.acm.org/toc.cfm?id=J840&type=periodical&coll=ACM&dl=ACM&CFID=19995212&CFTOKEN=68132930
Download URL for the article:	http://delivery.acm.org/10.1145/1220000/1210276/p1-ratschan.pdf?key1=1210276&key2=7182313811&coll=GUIDE&dl=GUIDE&CFID=22633000&CFTOKEN=26083949	Language:	English

Publisher

Publisher's Name:	ACM	Publisher's URL:	http://www.acm.org/
Publisher's Address:	New York, NY, USA	ISSN:	1539-9087

Vol, No, pp, Date

Volume*:	6	Number:	1
Publishing Date:	2007
Pages*:	1-23	Number of VG Pages:
Page Start:		Page End:
Sequence Number:	8	DOI:	10.1145/1210268.1210276

Note:
(LaTeX) Abstract:	This paper deals with the problem of safety verification of nonlinear hybrid systems. We start from a classical method that uses interval arithmetic to check whether trajectories can move over the boundaries in a rectangular grid. We put this method into an abstraction refinement framework and improve it by developing an additional refinement step that employs interval-constraint propagation to add information to the abstraction without introducing new grid elements. Moreover, the resulting method allows switching conditions, initial states, and unsafe states to be described by complex constraints, instead of sets that correspond to grid elements. Nevertheless, the method can be easily implemented, since it is based on a well-defined set of constraints, on which one can run any constraint propagation-based solver. Tests of such an implementation are promising.
URL for the Abstract:	http://portal.acm.org/citation.cfm?id=1210276&coll=ACM&dl=ACM&CFID=19995212&CFTOKEN=68132930#abstract
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HyperLinks / References / URLs:	http://portal.acm.org/citation.cfm?id=1210276&coll=ACM&dl=ACM&CFID=19995212&CFTOKEN=68132930#
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Download Access Level:	Intranet

Correlation

MPG Unit:	Max-Planck-Institut für Informatik

MPG Subunit:	Programming Logics Group
Appearance:	MPII WWW Server, MPII FTP Server, MPG publications list, university publications list, working group publication list, Fachbeirat, CCL bibliography, VG Wort

BibTeX Entry:

@ARTICLE{Ratschan2007,
AUTHOR = {Ratschan, Stefan and She, Zhikun},
TITLE = {Safety Verification of Hybrid Systems by Constraint Propagation Based Abstraction Refinement},
JOURNAL = {ACM Transactions in Embedded Computing Systems},
PUBLISHER = {ACM},
YEAR = {2007},
NUMBER = {1},
VOLUME = {6},
PAGES = {1--23},
ADDRESS = {New York, NY, USA},
ISBN = {1539-9087},
DOI = {10.1145/1210268.1210276},
}

Entry last modified by Uwe Brahm, 01/28/2008

Edit History (please click the blue arrow to see the details)

	Editor(s) Stefan Ratschan	Created 05/24/2006 02:22:55 PM
Revisions 7. 6. 5. 4. 3.	Editor(s) Uwe Brahm Christine Kiesel Christine Kiesel Uwe Brahm Uwe Brahm	Edit Dates 2007-07-02 10:41:04 29.06.2007 18:10:44 29.06.2007 18:02:50 04/15/2007 11:39:21 AM 04/15/2007 11:37:20 AM