Created tiny robot for diagnostic jet
Small robots that are able to climb even inside living organisms, has ceased to be a fantasy. In October 2018, scientists from the University of Exeter have created a mechanism that moves in liquids by means sensitive to magnetism flagella. Tiny robots are needed for repair of jet engines and other components of different techniques. In this case, the flagella can not do, so the researchers from Harvard University have come up with tiny robots with magnetic feet.
They are like insects and are based on previously established outpatient micro-robots HAMR. Previous versions of mechanisms able to even walk on water, but the current modification HAMR-E is capable of more - climb on vertical surfaces. It is noteworthy that the letter E in the title refers to elektroadgeziyu - the robot the ability to hold objects by electrostatic attraction.
Static electricity is formed in the legs, made of a copper electrode with a polyimide insulation. Before you lift a foot, the robot shuts off power to the respective limbs, and to lower - turns it on. The end of the legs are made flexible so that the robot easily climbed the curved surfaces. developers have also modified the ankles - they rotate in three dimensions and allows the robot to shift depending on the terrain. Also, a new step has been designed so that when lifting one leg, the remaining trio remained glued to the surface.
Test robot successfully tested and made more than 100 steps to the horizontal and vertical surfaces and never fell. In the future, the developers plan to improve the stickiness of the legs on a wide range of surfaces. they also need to work on lifting capacity - to complete the work it is important to equip them with sensors and cameras.
According to one of the founders of HAMR-E Sebastian de Rivaz, by moving on horizontal and vertical surfaces of the robots are able to diagnose the failure of any machinery. They can be used to detect breakage without opening the device housing.
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