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A Service-Based Decentralized Architecture for ECU Fault Tolerant Control
KTH, School of Information and Communication Technology (ICT).
2012 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The purpose of this master thesis is to contribute a service-based decentralized architecture for Electronic Control Unit (ECU) with fault tolerant control.

As ECU systems are becoming large-scaled, centralized-architecture fault tolerant control is facing challenges in performance, complexity and engineering, for its dependencies, non-modular, non-scalable and so on. In Scania’s ECUs, the architecture is applied by a centralized diagnose system.

In this thesis, an alternative solution – service-based decentralized architecture is presented. In the architecture, both diagnostic and reconfiguration are completely decentralized in modules of ECU system. Modules can be seen as a software component with self fault tolerant control abilities, which provides different quality of service to system. A purely service view of ECU system can be built as the foundation both for fault tolerant control architecture and for modeling control system.

The thesis project is, firstly to implement a general decentralized diagnostic platform which can be called by modules of Scania Exhaust Emission Control system (EEC3) system. A centralized communication node is constructed for off-board diagnosis by PC-tools. Lastly, service based architecture is built in EEC3 PUMC module as service provider.

Place, publisher, year, edition, pages
2012. , 52 p.
Trita-ICT-EX, 2012:286
Keyword [en]
Fault Tolerant Control, Decentralized Diagnosis Platform, Service-Based, Reconfiguration, ECU
National Category
Engineering and Technology
URN: urn:nbn:se:kth:diva-109311OAI: diva2:581456
Educational program
Master of Science - System-on-Chip Design
Available from: 2013-01-02 Created: 2013-01-02 Last updated: 2013-01-02Bibliographically approved

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