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Anewtrackinspectioncarbasedonalasercamerasystem
Wedevelopandbuildanewtypeofinspectioncar.Abeamthatisnotrigidlyconnectedtothetrainaxleboxesandcanabsorbthevibrationandimpactcausedbythehighspeedtrainisused,andalaser-camerameasurementsystembasedonthemachinevisionmethodisadopted.Thismethodprojectsstructurallightontothetrackandmeasuresgaugeandlongitudinalirregularity.Themeasurementprincipleandmodelarediscussed.Throughnumerouspracticalexperiments,therebuiltcarisfoundtoc
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