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The mechanical interface between vehicle-mounted shoegear and the third rail is critically important to the smooth running of electrically powered railway vehicles. An investigation is being undertaken into the static and dynamic interactions between shoegear and the third rail. This is being done by instrumenting the shoegear of a class 375 railway vehicle in the UK.
Railways are expected to operate with ever increasing levels of availability, reliability, safety and security. One way of ensuring high levels of dependability is through the use of condition monitoring systems. This paper presents initial results from operational trials of track circuit condition monitoring equipment installed at two TI21 audio frequency track circuits in the UK.
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