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Efficient Memory-Protected Integration of Add-On Software Subsystems in Small Embedded Automotive Applications

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3 Author(s)
Akram Khan ; Brunel Univ., Uxbridge ; Achim Schaefer ; Markus Zetlmeisl

Current innovations in the automotive industry evolve mainly in the electronics and software domain. This leads to an increasing integration of additional software subsystems into already existing electronic control units (ECUs) to cope with the raised amount and complexity of present ECUs in modern high-end vehicles. This paper discusses different approaches which are required to integrate such add-on software subsystems in an isolated memory domain, and considers particularly the special needs of small embedded systems-including the limited hardware support. Special focus is brought to the efficient detection of malicious memory accesses, as well as the benefits of a thereupon possible and adaptable failure-handling strategy. All investigations are based on a developed memory-protection framework which has been tailored to the special needs of a sample vehicle dynamics control system. Its usage allows the combination of. integrating additional subsystems without reducing the main application's availability

Published in:

IEEE Transactions on Industrial Informatics  (Volume:3 ,  Issue: 1 )