Departmental Papers (CIS)

Date of this Version

7-12-2005

Document Type

Conference Paper

Comments

Postprint version. Published in Electronic Notes in Theoretical Computer Science, Volume 144, Issue 4, 2005, pages 21-39.
Publisher URL: http://dx.doi.org/10.1016/j.entcs.2005.02.066

Abstract

Runtime verification involves monitoring the system at runtime to check for conformance of the execution trace to user defined safety properties. Typically, run-time verifiers do not assume a system model and hence cannot predict violations until they occur. This limits the practical applicability of runtime verification. Steering is the process of predicting the occurrence of violations and preventing them by controlling system execution. Steerers can achieve this using a limited knowledge of the system model even in situations where it is infeasible to store the entire model. In this paper, we explore a control-theoretic view of steering for discrete event systems. We introduce an architecture for steering and also describe different steering paradigms.

Subject Area

GRASP

Keywords

runtime correction, steering, runtime checking, control theory

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Date Posted: 02 October 2006

This document has been peer reviewed.