Epi.q Robots
نویسندگان
چکیده
Over the last few years there have been great developments and improvements in the mobile robotics field, oriented to replace human operators especially in dangerous tasks, such as mine-sweeping operations, rescuing after earthquakes or other catastrophic events, fire-fighting operations, working inside nuclear power stations and exploration of unknown environments. Different locomotion systems have been developed to enable robots to move flexibly and reliably across various ground surfaces. Usually, mobile robots are wheeled, tracked and legged ones, even if there are also robots that swim, jump, slither and so on. Wheeled robots are robots that use wheels for moving; they can move fast with low energy consumption, have few degrees of freedom and are easy to control, but they cannot climb great obstacles (in comparison with robot dimensions) and can lose grip on uneven terrain. Tracked robots are robots that use tracks for moving; they are easily controllable, also on uneven terrain, but are slower than wheeled ones and have higher energy consumption. Legged robots are robots that use legs for moving; they possess great mobility and this makes them suitable for applications on uneven terrain; conversely, they are relatively slow, require much energy and their structure needs several actuators, with increased control complexity. Of course each robot class has advantages and drawbacks, thus scientists designed new robots, trying to comprise the advantages of different robot classes and, at the same time, to reduce the disadvantages: these robots are called Hybrid robots.
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