Highway-rail grade crossing hazard mitigation
A hazard mitigation system to detect an object in a highway-railway grade crossing. A structure is provided that includes a fixed foundation and a surface layer that is cushionably placed above the foundation, such that the structure is located between tracks at the crossing. At least one sensor is...
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| creator | TSAI JOHN C |
| description | A hazard mitigation system to detect an object in a highway-railway grade crossing. A structure is provided that includes a fixed foundation and a surface layer that is cushionably placed above the foundation, such that the structure is located between tracks at the crossing. At least one sensor is mounted between the surface layer and the foundation. This sensor senses the weight of the object upon the surface layer and provides a sensor signal representative of that weight. A control unit receives the sensor signal, processes it to determine whether the object represents a potential hazard, and, if so generates a warning signal. The sensor can particularly include a pressure or strain gage, or a fiber optic sensor. When a fiber optic sensor is employed, it can particularly include a fiber Bragg grating. |
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A structure is provided that includes a fixed foundation and a surface layer that is cushionably placed above the foundation, such that the structure is located between tracks at the crossing. At least one sensor is mounted between the surface layer and the foundation. This sensor senses the weight of the object upon the surface layer and provides a sensor signal representative of that weight. A control unit receives the sensor signal, processes it to determine whether the object represents a potential hazard, and, if so generates a warning signal. The sensor can particularly include a pressure or strain gage, or a fiber optic sensor. When a fiber optic sensor is employed, it can particularly include a fiber Bragg grating.</description><language>eng</language><subject>ALARM SYSTEMS ; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES ; CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, ORTHE LIKE ; ENSURING THE SAFETY OF RAILWAY TRAFFIC ; FIXED CONSTRUCTIONS ; GUIDING RAILWAY TRAFFIC ; MACHINES FOR MAKING RAILWAYS OF ALL KINDS ; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR ; ORDER TELEGRAPHS ; PERFORMING OPERATIONS ; PERMANENT WAY ; PERMANENT-WAY TOOLS ; PHYSICS ; RAILWAYS ; SIGNALLING ; SIGNALLING OR CALLING SYSTEMS ; TRANSPORTING</subject><creationdate>2007</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20070911&DB=EPODOC&CC=US&NR=7268699B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20070911&DB=EPODOC&CC=US&NR=7268699B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TSAI JOHN C</creatorcontrib><title>Highway-rail grade crossing hazard mitigation</title><description>A hazard mitigation system to detect an object in a highway-railway grade crossing. A structure is provided that includes a fixed foundation and a surface layer that is cushionably placed above the foundation, such that the structure is located between tracks at the crossing. At least one sensor is mounted between the surface layer and the foundation. This sensor senses the weight of the object upon the surface layer and provides a sensor signal representative of that weight. A control unit receives the sensor signal, processes it to determine whether the object represents a potential hazard, and, if so generates a warning signal. The sensor can particularly include a pressure or strain gage, or a fiber optic sensor. 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A structure is provided that includes a fixed foundation and a surface layer that is cushionably placed above the foundation, such that the structure is located between tracks at the crossing. At least one sensor is mounted between the surface layer and the foundation. This sensor senses the weight of the object upon the surface layer and provides a sensor signal representative of that weight. A control unit receives the sensor signal, processes it to determine whether the object represents a potential hazard, and, if so generates a warning signal. The sensor can particularly include a pressure or strain gage, or a fiber optic sensor. When a fiber optic sensor is employed, it can particularly include a fiber Bragg grating.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | ALARM SYSTEMS CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, ORTHE LIKE ENSURING THE SAFETY OF RAILWAY TRAFFIC FIXED CONSTRUCTIONS GUIDING RAILWAY TRAFFIC MACHINES FOR MAKING RAILWAYS OF ALL KINDS MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR ORDER TELEGRAPHS PERFORMING OPERATIONS PERMANENT WAY PERMANENT-WAY TOOLS PHYSICS RAILWAYS SIGNALLING SIGNALLING OR CALLING SYSTEMS TRANSPORTING |
| title | Highway-rail grade crossing hazard mitigation |
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