A vehicle-mounted dynamic monitoring method for settlement deformation of high-speed railway bridge foundation
A technology based on high-speed railways and bridges, which is applied in the directions of surveying devices, surveying and navigation, photogrammetry/video surveying, etc., can solve problems such as unsatisfactory measurement accuracy requirements, and achieve the effect of high precision and fast settlement monitoring
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[0034] The method of the present invention uses high-precision camera measurement to correct the inertial measurement to obtain the elevation, position and attitude information of the rail inspection vehicle, uses precision photoelectricity to measure the pose of the rail inspection vehicle platform relative to the rail, compensates the influence of shaking, and measures the elevation of the track to obtain The elevation of the bridge foundation of the high-speed railway realizes the monitoring of the settlement and deformation of the bridge foundation. The method of the invention includes four basic processes of camera measurement, inertial measurement, photoelectric measurement of the relative position and posture of the detection vehicle platform / railway and settlement monitoring data processing.
[0035] (1) High-precision camera measurement of the position and attitude parameters of the detection vehicle platform
[0036] By setting camera marks on the ground and installi...
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