Using Timber in a Multi-Body Design Environment to Develop Reliable Embedded Software

Paper #:
  • 2008-01-0742

Published:
  • 2008-04-14
DOI:
  • 10.4271/2008-01-0742
Citation:
Eriksson, J., Nybacka, M., Larsson, T., and Lindgren, P., "Using Timber in a Multi-Body Design Environment to Develop Reliable Embedded Software," SAE Technical Paper 2008-01-0742, 2008, doi:10.4271/2008-01-0742.
Pages:
9
Abstract:
A major challenge for the automotive industry is to reduce the development time while meeting quality assessments for their products. This calls for new design methodologies and tools that scale with the increasing amount and complexity of embedded systems in today's vehicles.In this paper we undertake an approach to embedded software design based on executable models expressed in the high-level modelling paradigm of Timber. In this paper we extend previous work on Timber with a multi-paradigm design environment, aiming to bridge the gap between engineering disciplines by multi-body co-simulation of vehicle dynamics, embedded electronics, and embedded executable models. Its feasibility is demonstrated on a case study of a typical automotive application (traction control), and its potential advantages are discussed, as highlighted below: shorter time to market through concurrent, cooperative distributed engineering, and reduced cost through adequate system design and dimensioning, and improved efficiency of the design process through migration and reuse of executable software components, and reduced need for hardware testing, by specification verification on the executable model early in the design process, and improved quality, by enabling formal methods for verification.
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