Prototype design of a collision protection system for cab car engineers - fabrication and test.

Prabhakaran, Anand; Singh, Som P.; Vithani, Anand R.; Sharma & Associates, Inc.

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Prototype design of a collision protection system for cab car engineers - fabrication and test.

2015-06-01
By Prabhakaran, Anand ; Singh, Som P. ; Vithani, Anand R.

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English

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Creators:

Prabhakaran, Anand ; Singh, Som P. ; Vithani, Anand R.

Prabhakaran, Anand ; Singh, Som P. ; Vithani, Anand R. Less -
Corporate Creators:

Sharma & Associates, Inc.
Corporate Contributors:

United States. Dept. of Transportation. Research and Innovative Technology Administration
Subject/TRT Terms:

[+]

Air Bags Cabs (Vehicle Compartments) Crashworthiness Energy Absorption Locomotive Engineers Occupant Protection Devices Passenger Trains Prototype Tests Railroad Accidents Railroad Safety Sled Tests
Publication/ Report Number:

DOT/FRA/ORD-15/20
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

United States. Federal Railroad Administration. Office of Research and Development
Abstract:

Advancements in the structural crashworthiness of passenger rail cars now make it possible to preserve the compartmentalized

space occupied by a cab car engineer during a train collision. In order to translate this additional protection into improved

survivability and mitigate injuries, it is necessary to protect the engineer from secondary impacts in such accident scenarios. Prior

work on this issue resulted in the design of a conceptual Engineer Protection System (EPS) that could protect an engineer under

moderate-to-severe frontal impact conditions.

The performance of this prototype EPS, which consists of an airbag and a deformable knee bolster system, was successfully

demonstrated under simulated collision conditions, using a dynamic sled test for a 95th percentile anthropomorphic test device

(ATD). The test highlighted the ability of the EPS to protect a cab car engineer in a moderate-to-severe train collision, meeting all

design criteria, including compartmentalization and limits of injury to the head, neck, chest, and femur, and continuing to the meet

all functional requirements. The system functions without requiring input from the engineer, without restraining him or her, and

without impeding egress, while adding minimally to cost or weight of the car.
Format:

PDF
Collection(s):

Federal Railroad Administration University Transportation Centers US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:575ae29762f2d9203bdb255dd2e0edfdcedc46609595979e372d7324c79ed078
Download URL:

https://rosap.ntl.bts.gov/view/dot/28976/dot_28976_DS1.pdf
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Prototype design of a collision protection system for cab car engineers - fabrication and test.

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