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Verification and Controller Synthesis for Resource-Constrained Real-Time Systems: Case Study of an Autonomous Truck

Authors:

Shuhao Li, Paul Pettersson

Research group:

Formal Modelling and Analysis of Embedded Systems

Publication Type:

Conference/Workshop Paper

Venue:

Proceedings of the 15th IEEE International Conference on Emerging Techonologies and Factory Automation

Publisher:

IEEE Computer Society

Abstract

An embedded system is often subject to timing constraints, resource constraints, and it should operate properly no matter how its environment behaves. This paper proposes to use timed game automata to characterize the timed behaviors and the environment uncertainties, and use piecewise constant integer functions to approximate the continuous resources in real-time embedded systems. Based on these formal models and techniques, we employ the realtime model checker UPPAAL to verify a given functional and/or timing requirement. In addition, we employ the timed game solver UPPAAL-TIGA to check whether a given control objective can be enforced, and if so, we synthesize a controller for the system. We carry out a case study of this approach on a battery-powered autonomous truck. Experimental results indicate that the method is effective and computationally feasible.

Bibtex

@inproceedings{Li1803,
author = {Shuhao Li and Paul Pettersson},
title = {Verification and Controller Synthesis for Resource-Constrained Real-Time Systems: Case Study of an Autonomous Truck},
month = {September},
year = {2010},
booktitle = {Proceedings of the 15th IEEE International Conference on Emerging Techonologies and Factory Automation},
publisher = {IEEE Computer Society},
url = {http://www.es.mdu.se/publications/1803-}
}