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A Domain-Centralized Automotive Powertrain E/E Architecture
Technical Paper
2021-01-0786
ISSN: 0148-7191, e-ISSN: 2688-3627
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Sector:
Event:
SAE WCX Digital Summit
Language:
English
Abstract
This paper proposes a domain-centralized powertrain E/E (electrical and/or electronic) architecture for all-electric vehicles that features: a powerful master controller (domain controller) that implements most of the functionality of the domain; a set of smart actuators for electric motor(s), HV (High Voltage) battery pack, and thermal management; and a gateway that routes all hardware signals, including digital and analog I/O, and field bus signals between the domain controller and the rest of the vehicle that is outside of the domain. Major functional safety aspects of the architecture are presented and a safety architecture is proposed. The work represents an early E/E architecture proposal. In particular, detailed partitioning of software components over the domain’s Electronic Control Units (ECUs) has not been determined yet; instead, potential partitioning schemes are discussed. A thorough evaluation of the architecture, based on a hardware prototype and in-vehicle analysis, is forthcoming.
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Authors
Topic
Citation
Bandur, V., Pantelic, V., Dawson, M., Schaap, A. et al., "A Domain-Centralized Automotive Powertrain E/E Architecture," SAE Technical Paper 2021-01-0786, 2021, https://doi.org/10.4271/2021-01-0786.Also In
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