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原文传递 In-Service, Over-the-Road Testing of One Car for Tank Car Operating Environment Study (Phase IIA) Test Results.

题名：	In-Service, Over-the-Road Testing of One Car for Tank Car Operating Environment Study (Phase IIA) Test Results.
作者：	koch, k.
关键词：	tank cars,testing,rail transportation/optimization, safety, railroad cars, transducers, couplers, strain gages, forces, power supplies, wireless communications, internet, data acquisition, environmental effects/
摘要：	This report documents the procedure and results of the controlled testing conducted during Phase II of a tank car operating environment program involving the Association of American Railroads, the Railway Supply Institute (formerly Railway Progress Institute), the Federal Railroad Administration, and Transport Canada. This investigation is part of an ongoing assessment of what is necessary for a complete system optimization (i.e., to assure safety while minimizing total cost). The same donated tank car that was used for all of the Phase I testing (with transducers and instrumented couplers mounted) was placed in over-the-road service for a period of 6 months. A wireless Internet connection utilizing two-way text messaging was the primary system used to monitor the summary data from each channel. Relationships between strain gage output and associated forces were established before onsite and over-the-road testing began. By the end of the over-the-road test in January 2005, the transducers, data acquisition system, and its power supply were operating relatively well. Problems remain to be solved, however, before a similar system is installed on a larger number of test cars. / Supplementary Notes: Sponsored by Federal Railroad Administration, Washington, DC. Office of Railroad Development. / Availability Note: Order this product from NTIS by: phone at 1-800-553-NTIS (U.S. customers); (703)605-6000 (other countries); fax at (703)605-6900; and email at orders@ntis.gov. NTIS is located at 5285 Port Royal Road, Springfield, VA, 22161, USA.
报告类型：	科技报告