Development of a throwable shape-shifting spherical robot

There are solid, swampy and scarred, with ditches in post-disaster environment. In order to search and help victims promptly, a throwable spherical robot is developed which can be thrown into the search area and then shift from a ball structure to a series connected structure with four driving wheels to move and complete its search and rescue mission. This robot is designed with a closed differential structure to protect the robot against any impact from the ground. When the robot landing on ground, the elastic device drives the two U-shaped wheel units to spread to a series connected robot with four driving wheels. This four-wheeled robot can drive in the landing area with high mobility. The design and development of such robot have realize tele-operation with high accessibility, which improved the efficiency of the search and rescue, enhanced their convenience.