Turnout zone impact characteristic identification method and device based on wheel-rail force detection data

• Main Authors: XIE WANRU, LIU JINCHAO, QIN HANGYUAN, SUN JIALIN, LIU WEIZHEN, YANG FEI
• Format: Patent
• Language: Chinese; English
• Published: 09.04.2024
• Subjects: CALCULATING; COMPUTING; COUNTING; ELECTRIC DIGITAL DATA PROCESSING; GYROSCOPIC INSTRUMENTS; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT; MEASURING; MEASURING DISTANCES, LEVELS OR BEARINGS; MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE; MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK; NAVIGATION; OTHER AUXILIARY EQUIPMENT FOR RAILWAYS; PERFORMING OPERATIONS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY; PHYSICS; RAILWAYS; SURVEYING; TESTING; TRANSPORTING

The invention discloses a turnout zone impact characteristic identification method and device based on wheel-rail force detection data, and the method comprises the steps: carrying out the mileage deviation correction of the wheel-rail force detection data according to the curve ledger information and actual measurement curvature data of a to-be-identified turnout zone, obtaining the wheel rail transverse force detection data of the turnout section to be identified after the mileage is preliminarily corrected; extracting wheel rail transverse force detection data characteristics of the turnout section to be identified, and accurately positioning wheel rail force detection data mileage of the turnout section to be identified; and on the basis of accurately positioning the turnout section to be identified, accurately identifying the wheel-rail force detection data of each joint and the point rail position of the turnout section to be identified to obtain short-wave impact waveform characteristics of each joint