Stair climbing robot project report pdf

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Unsourced material may be challenged and removed. Statements consisting only of original research should be removed. As a unit, the apparatus used compressed gas bags to store energy that would assist with movements, although it was passive in operation and required human power. In 1917, United States inventor Leslie C. Kelley developed what he called a pedomotor, which operated on steam power with artificial ligaments acting in parallel to the wearers movements. With the pedomotor, energy could be generated apart from the user. Powered by hydraulics and electricity, the suit allowed the wearer to amplify their strength by a factor of 25, so that lifting 25 kilograms was as easy as lifting one kilogram without the suit.

A feature dubbed force feedback enabled the wearer to feel the forces and objects being manipulated. While the general idea sounded somewhat promising, the Hardiman had major limitations. Another issue was that it is a master-slave system, where the operator is in a master suit, which, in turn, is inside the slave suit that responds to the master and handles the workload. This multiple physical layer type of operation may work fine, but responds slower than a single physical layer. When the goal is physical enhancement, response time matters. Its slow walking speed of 0.

The project was not successful. Any attempt to use the full exoskeleton resulted in a violent uncontrolled motion, and as a result it was never tested with a human inside. Further research concentrated on one arm. Without getting all the components to work together, the practical uses for the Hardiman project were limited.