Functional Safety Assessment of a Generic Automated Lane Centering System and Related Foundational Vehicle Systems

Brewer, John; Becker, Christopher; Pollard, John; Yount, Larry; John A. Volpe National Transportation Systems Center (U.S.)

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Functional Safety Assessment of a Generic Automated Lane Centering System and Related Foundational Vehicle Systems

2018-08-01
By Brewer, John ; Becker, Christopher ; Pollard, John ; ...

[PDF-2.28 MB]

English

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Details:

Creators:

Brewer, John ; Becker, Christopher ; Pollard, John ; Yount, Larry

Brewer, John ; Becker, Christopher ; Pollard, John ; Yount, Larry Less -
Corporate Creators:

John A. Volpe National Transportation Systems Center (U.S.)
Corporate Contributors:

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

[+]

Active Safety Systems Advanced Vehicle Control Systems Automated Lane Centering Automatic Steering Control Automotive Safety Integrity Level Failure Analysis Hazard Analysis Hazard And Operability Study Human Factors Hydraulic Brakes Power Steering Risk Assessment System-theoretic Process Analysis
Publication/ Report Number:

DOT-VNTSC-NHTSA-17-01 ; DOT HS 812 572

DOT-VNTSC-NHTSA-17-01 ; DOT HS 812 572 Less -
Resource Type:

Tech Report
Geographical Coverage:

United States
TRIS Online Accession Number:

01684995
Edition:

Final report; Sep 2014-Jan 2017
Contracting Officer:

Paul Rau
Corporate Publisher:

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

NTL-INTELLIGENT TRANSPORTATION SYSTEMS-Collision Notification Systems (Vehicles);NTL-INTELLIGENT TRANSPORTATION SYSTEMS-Collision Avoidance Systems (Vehicles);NTL-INTELLIGENT TRANSPORTATION SYSTEMS-INTELLIGENT TRANSPORTATION SYSTEMS;
Abstract:

This report describes research to assess the functional safety of a generic automated lane centering (ALC) system and three related foundational systems --electric power steering (EPS), steer-by-wire (SbW), and conventional hydraulic braking (CHB). ALC systems are a key technology that supports vehicle automation by providing continuous lateral control to keep the vehicle within the travel lane. The studies of these systems follow the Concept Phase process in the ISO 26262 standard and applies Hazard and Operability study, functional failure mode effects analysis, and system-theoretic process analysis methods. The results of the individual analyses, including vehicle-level hazards, functional safety concepts, functional safety requirements (an output of the ISO 26262 process), and test scenarios, are contained in individual reports. This synthesis report examines the implications of analyzing foundational systems in the traditional non-automated case (“Automation Level 0”) and how results might need to be modified for a foundational system that acts as an actuator for a highly-automated driving system. It also describes human factors implications of an operator being not engaged as a possible foreseeable misuse case, particularly in SAE Automation Level 2. Finally, it defines architectural options and notes that some hazards can have different ASIL levels depending on the malfunction and/or the automation level.
Format:

PDF
Funding:

DTNH22-14-V-00136 ; 51HS6CA100

DTNH22-14-V-00136 ; 51HS6CA100 Less -
Collection(s):

Volpe Center
Main Document Checksum:

[+]

urn:sha256:90574ca258286d2b282b7f34035795bec89ec310688864cfd4124eb7e3392742
Download URL:

https://rosap.ntl.bts.gov/view/dot/37076/dot_37076_DS1.pdf
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No Additional Files

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Functional Safety Assessment of a Generic Automated Lane Centering System and Related Foundational Vehicle Systems

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