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| Re: Automated Trains Coming (1166578) | |||
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Re: Automated Trains Coming |
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Posted by Outside the Box on Sat Jul 14 12:03:04 2012, in response to Re: Automated Trains Coming, posted by Jersey Mike on Fri Jul 13 16:55:09 2012. Conventional US passenger rail cars don't do very well either. FRA trialed Crash Energy Management additions to conventional designs and they worked far better than conventional FRA compliant passenger rail cars.The head on collision had a combined speed of over 80+mph. Beyond 40mph, its better to focus on preventing accidents. You can have rail cars designed for crashes at 60+mph, but they are very heavy or require expensive materials (CNT aluminum composites). Another strategy us to run a lightweight crash car ahead and behind the passenger cars. It may carry postal packages. The train operator can have a remote operator station with live video feed from many sections of the train. The same may apply to the front and rear of freight trains in certain cases (HSR running with freight). If there is a collision, that car absorbs the crash energy. Part of preventing accidents is better monitoring. Freight locomotives could be equipped with track sensors to detect rail defects as they pass through. As consumer and industrial MEMS and electronics come down in cost, wayside hotbox and dragging equipment detectors and signal equipment can double as acoustic and seismic detectors to look for bad wheels. |
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