ADLARES GmbH

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Beam guidance

 

In order to capture even the smallest gas cloud emitted from the ground, it is necessary to trace this near to its discharge location in the ground. Because a helicopter cannot fly centimetre-perfect, the measuring beam needs to follow the pipeline process accurately. Manual beam guidance has proven to be impractical, especially with complex network topologies. Using so-called autotracking, it is possible for CHARM® to position the measurement corridor exactly over the pipeline, even if the helicopter deviates horizontally by up to 50m. In order to define the exact helicopter coordinates, CHARM® was equipped with Differential GPS to define the position and an inertial measurement system (IMS) to define the location and movement of the helicopter in the air. The linking of this navigation data to the onboard pipeline database enables the precise control of the laser on the ground in real time.