Detection of Track Static Regularities Based on a Laser Tracker
Publication: Journal of Surveying Engineering
Volume 143, Issue 2
Abstract
This study proposes a method for detecting track static regularities based on a laser tracker. Given the laser tracker’s advantages of high tracking-measuring accuracy and high sampling rate, the proposed method integrates static and dynamic measurements and is simultaneously applicable to both fine-adjustment measurement in the construction stage and detection in the operation-maintenance stage. In this paper, the design and implementation of the hardware-integration scheme, software development, and data processing are discussed. To verify the detection and data-processing methods for track static regularity, a case study was conducted on part of the Shanghai Metro Line 13 at Nature Museum Station. An SGJ-T-CEC-I passenger-dedicated line track geometric state measurement device of China Railway Engineering Consulting Group Co., Ltd., was used for comparative analysis. The feasibility and high accuracy of the proposed method were verified by using this device.
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Acknowledgments
This work was supported by the China Special Fund for Surveying, Mapping and Geoinformation Research in the Public Interest (Grant HY14122136) and the Planned Scientific Programs of Shanghai (Grant 15ZR1443700).
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Published In
Journal of Surveying Engineering
Volume 143 • Issue 2 • May 2017
Copyright
© 2016 American Society of Civil Engineers.
History
Received: Dec 30, 2015
Accepted: Jun 8, 2016
Published online: Aug 17, 2016
Discussion open until: Jan 17, 2017
Published in print: May 1, 2017
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