To serve accurate measurement requirements of submarine pipelines with significant deformation in complex sea areas,a sensing and acquisition system was designed for deformation measurement of submarine pipelines,with HMI and distributed remote IO used for modular measurement sensing and data collection,and Modbus protocol adopted and a star topology communication network established to achieve reliable transmission of measurement data.In this way,3D coordinate data on the surface of deformed pipelines were accurately acquired.Boasting high measurement accuracy,fast response speed,stable and reliable operation,this system is applicable to various types of complex sea areas,and has been applied to a submarine pipeline deformation repair project with accurate and effective on-site measurement results,ensuring the smooth implementation of the project.
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