Magnetic flux leakage robotic pipe inspection: Internal and external methods.

摘要

Magnetic Flux Leakage (MFL) inspection generates a magnetic field through ferromagnetic materials and correlates anomalies in uniform field levels to defects in the structure. MFL has grown into a crucial method for inspection of pipelines and tubing in order to prevent long-term failures. Industry relies on MFL as a simple inspection indicator, but characterizing defects using MFL is an open research area. Numerous issues arise in MFL when the magnetic field does not radiate uniformly. For the framework of my thesis, I propose an experimental solenoid to control the field uniformity and enhance understanding of magnetic flux leakage calibration methods. This thesis delineates an analysis of the experimental solenoid and an in-depth verification of an internal pipe robot. The analysis compares internal and external inspection methods for magnetic flux leakage experiments.