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“Distributed
embedded systems are highly complex, and understanding the
implications of different design decisions - including the
choice of programming language, system architecture and network
protocol - is never straightforward. With the advent of Automotive-based safety critical systems such as drive-by-wire, there is a pressing need to investigate the implications of these design choices and their possible impacts on system safety and reliability. A highly effective method of performing the testing that is required for such an investigation is via a suitably detailed "hardware-in-the-loop" (HIL) simulation. This talk will describe a novel HIL testbed which has been developed in the Embedded Systems Laboratory at the University of Leicester; from the development of suitably detailed non-linear vehicle models and 'intelligent' drivers, through to the creation of a full-scale motorway simulation. This testbed has been used to make some preliminary investigations of different design methodologies for a 10-node, distributed Adaptive Cruise Control system incorporating throttle- and brake-by wire, and the talk will conclude with observations regarding the results of these initial tests.” |
Michael Short PhD University of Leicester Thursday, 2nd December 2004 at 6:30 PM. University of Newcastle Newcastle-upon-Tyne THE BRITISH COMPUTER SOCIETY |