Functional Safety Assessment of a Generic Accelerator Control System with Electronic Throttle Control in Electric Vehicles

Becker, Christopher; Nasser, Ahmad; Attioui, Fouad; John A. Volpe National Transportation Systems Center (U.S.); United States. Department of Transportation. Office of the Assistant Secretary for Research and Technology

doi:10.21949/1530186

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Functional Safety Assessment of a Generic Accelerator Control System with Electronic Throttle Control in Electric Vehicles

2020-03-01
By Becker, Christopher ; Nasser, Ahmad ; Attioui, Fouad

[PDF-3.40 MB]

English

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Details:

Creators:

Becker, Christopher ; Nasser, Ahmad ; Attioui, Fouad

Becker, Christopher ; Nasser, Ahmad ; Attioui, Fouad Less -
Corporate Creators:

John A. Volpe National Transportation Systems Center (U.S.) ; United States. Department of Transportation. Office of the Assistant Secretary for Research and Technology

John A. Volpe National Transportation Systems Center (U.S.) ; United States. Department of Transportation. Office of the Assistant Secretary for Research and Technology Less -
Corporate Contributors:

United States. Department of Transportation. National Highway Traffic Safety Administration
Subject/TRT Terms:

[+]

Accelerator Control System Accelerators (Devices) Electric Vehicles Electronic Throttle Control Failure Analysis Failure Modes And Effects Analysis Hazard Analysis Hazard And Operability Study Hazard Evaluation ISO 26262 Risk Assessment Safety Safety Requirements Systems Analysis Systems Theoretic Process Analysis Throttles
Publication/ Report Number:

DOT HS 812 656 ; DOT-VNTSC-NHTSA-15-13

DOT HS 812 656 ; DOT-VNTSC-NHTSA-15-13 Less -
DOI:

https://doi.org/10.21949/1530186
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

United States. Department of Transportation. National Highway Traffic Safety Administration
Abstract:

This report describes research assessing the functional safety of accelerator control systems with electronic faults such as errant electronic throttle control signals, following an industry process standard. This study focuses specifically on errant signals in motor vehicles with electric propulsion. This study follows the concept phase process in the ISO 26262 standard and applies a hazard and operability study, functional failure mode and effects analysis, and systems theoretic process analysis methods. In total, this study identifies 7 vehicle-level safety goals and 202 ACS/ETC system safety requirements (an output of the ISO 26262 and STPA processes). This study uses the results of the analysis to identify potential opportunities to improve the risk assessment approach in the ISO 26262 standard.
Format:

PDF
Funding:

Intra-Agency Agreement DTNH22-13-V-00114 ; 51HS7BA100

Intra-Agency Agreement DTNH22-13-V-00114 ; 51HS7BA100 Less -
Collection(s):

NHTSA - Vehicle Safety Research Volpe Center
Main Document Checksum:

[+]

urn:sha256:1cbe79a2605bb3fc14c0743fbafb1f2ab47a8d58279dd9b595c13663fb6ffb9a
Download URL:

https://rosap.ntl.bts.gov/view/dot/44158/dot_44158_DS1.pdf
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Functional Safety Assessment of a Generic Accelerator Control System with Electronic Throttle Control in Electric Vehicles

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