The modular design of a wall-climbing robot, implementing two articulated legs permodule (biped robotic modules), is presented in this paper. Modular design improves a wall-climbing robot’s manoeuvrability and flexibility during surface changes or while walking on uneven surfaces. The design of the articulated legs uses four motors to control the posture of the vacuum cups, achieving the best possible contact with the surface. Each leg can contain more than five sensors for effective feedback control, and additional sensors such as gyros, CCD sensors, etc, can be fitted on amodule, depending on the robot’s application. As the number of modules used in the design of the robot is increased, the number of activators and sensors increases exponentially. A distributed mechatronics controller of such systems is presented.
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