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In view of weak points of low precision, single test items, and inability in measuring wheelset diagonal difference, detecting equipment of bogie wheelset alignment parameters for railway vehicle could not meet the technique demands of high-speed trains. Four virtual prototypes of wheelset alignment parameters detecting equipment are described, which can measure wheelbase difference and diagonal difference...
To obtain more accurate detection results of railway vehicle wheelset rim inside distance, wheelbase difference and diagonal difference, measurement error owning to wheelset profile is analyzed and described. Measurement model of bogie wheel alignment parameters in horizontal plane, which has the function of wheel profile error compensation, is set up. As the main measurement instrument, high-precision...
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