The motivation for snake robots originates from natural snakes. Snakes show better versatility abilities and can move over basically any kind of landscape, including limited and restricted spaces. Like a snake, robot has an exceptionally expressed robot controller arm with the capacity of giving its own drive. Wheel-less, limbless secluded Snake-like robot (Snake robot) has superior capacities in flexibility and adoptability to nature in examination with the most haggled vehicles. Some helpful highlights of snake-like robots incorporate smaller size of the cross-sectional regions, steadiness, capacity to work in troublesome landscape, great footing, high redundancy and complete fixing of the inside systems. Our model consists of multiple links joined together to create propulsion on its own in a spatial environment. The first link (head) can have various configurations like camera, gripper, etc. This makes the snake robot ideal for search and rescue operation.
Although wheel is an ideal method of locomotion and the invention of the spoke wheel made a wheel lighter and swifter, a wheel cannot function well on slanted or rough surfaces. Further, the load support of the wheel is limited to a point of the whole wheel in contact with the ground. In rough and rocky terrains, wheels become ineffective or not able to serve the purpose. On realizing this fact, a new design and fabrication is suggested and a walking robot is designed accordingly. In the practical life, the usage of robots has been felt especially in search and rescue operations, extraterrestrial exploration and many more such applications. In these areas, the existing wheeled robots are not able to perform well and hence they can be replaced with walking robots of special design. In distant areas, many expeditions of walking robot need the tele-operation mode. Yet, sensing the terrains and controlling the robots become difficult for a human operator with the available capabilities and hence the walking robot should be designed in such a way that even with limited feedback from the remote operator, it should have adequate autonomy to take due advantage of its competency and capabilities. The paper envisages a new method of real-time motion planning on rough and rugged surface and in this paper, an octopod is designed, developed and fabricated accordingly.
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