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Bridges Supercomputer Simulates Tiny Robots with Better Directability, Maneuverability
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Cal Poly researchers studying food challenges in San Luis Obispo County
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TTCI R&D: Machine Learning for Machine Vision Systems
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RAILWAY AGE, JULY 2021 ISSUE: Reliable, real-time monitoring of in-service railcar components will enhance the potential for maintenance planning.
BY ANISH POUDEL, PH.D – PRINCIPAL INVESTIGATOR I (NDT); ABE MEDDAH – PRINCIPAL INVESTIGATOR I; AND MATT WITTE, PH.D – SCIENTIST, TRANSPORTATION TECHNOLOGY CENTER, INC.
Through the Association of American Railroads (AAR) Strategic Research Initiatives (SRI) program, Transportation Technology Center, Inc. (TTCI) has been assisting suppliers and other stakeholders in the development of machine vision technologies and related algorithms for evaluating railcar components and conditions. To enhance safety and reduce worker exposure to yard risk, North American railroads have begun to install machine vision inspection systems in revenue service.
TTCI R&D: Effects of Braking on Wheels
May 12, 2021
RCF tread surface damage on a wheel removed from a car with disabled brakes. (TTCI picture)
RAILWAY AGE MAY 2021 ISSUE: As part of the Association of American Railroads’ (AAR) Strategic Research Initiatives program, Transportation Technology Center, Inc. (TTCI) investigated the effects of tread braking on wheel wear and tread surface damage by monitoring the performance of three articulated five-unit well cars and five coal hopper cars with disabled brakes operating in otherwise normal revenue service conditions.
The Federal Railroad Administration (FRA) granted an enforcement discretion for these eight cars to operate with disabled brakes in revenue service between 2016 and 2020. Trains moving these cars were required to contain enough cars to maintain at least 95% operational brakes. This requirement provided sufficient safety precautions as evidenced by the fact that no accidents, incidents or injuries occurred due to opera
From Tanzania to India, Oman to Malaysia, the Indian Ocean’s blue waters have linked cultures both ancient and modern.
“The Indian Ocean connected people for centuries, long before Vasco de Gama arrived. It’s all about maritime connections,” explained Professor of Art History Nancy Um, who has dedicated her career to studying the region’s art, architecture and material culture.
Um recently received a prestigious Connecting Art Histories grant from the Getty Foundation that will allow her to give back to both her discipline and the region she studies. She is the principal investigator for Indian Ocean Exchanges, a research, fellowship and travel program that will support emerging art historians based around the Indian Ocean rim in East Africa, the Arabian Peninsula, and South and Southeast Asia.
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