Research Article

An Automated Sensing System for Steel Bridge Inspection Using GMR Sensor Array and Magnetic Wheels of Climbing Robot

Figure 14

Simulation results of the magnetic field density where GMR sensor array is located. (a) Simulation result of the magnetic field density in the case that lift-off value is equal to 5 mm. (b) Comparison of the simulation results in the case that lift-off value is equal to 2 mm, 5 mm, and 10 mm, respectively.
(a)
(b)