The inspection of high-voltage transmission lines
is a dangerous and time-consuming job, that relies on especially
trained workers operating tens of meters above the ground, and
close to live lines with thousands of volts. This paper presents
the development of a tele-operated robot designed for
preventive maintenance of high-voltage lines. The robot was
designed with mobility in mind, so that cable spacers,
suspension clamps and other obstacles, which so far have
prevented the use of robots for inspection of high-voltage lines,
would not hamper the operation of the machine. After careful
considerations on mobility, the robot was designed, and a
prototype was built. Results of tests, performed on facilities
reproducing real field conditions, are also presented in this
paper.
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