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Fastest Robot
The LIRMM (Montpellier Laboratory of Computer Science, Robotics, and Microelectronics, CNRS/Université Montpellier 2) has worked for many years on the creation of prototypes in the field of parallel robots. These manipulator robots comprise several “arms” or kinematic chains linking their base to their mobile parts. They are employed in various industries to handle small objects on production lines.
The Adept Quattro robot, equipped with four arms, can handle up to 240 parts a minute and attain accelerations of 200 meters per square second for loads up to two kilograms.
Over the last six years, the LIRMM has teamed up with the Fundación Fatronik, an applied research centre in the Spanish Basque Country, to design and control manipulator robots. The researchers have come up with a solution that is both innovative and compatible with the constraints of industry. Innovative by the general shape of the robot: it has four robotic arms with different ergonomics to those of a conventional single robotic arm and more similar to a human arm.
The researchers particularly focused on design calculations to optimize the dimensions of each component in order to obtain maximum acceleration. Their solution meets the constraints of industry thanks to the robot's control system, which limits vibrations and, consequently, the time required by the robot to set down a part at a precise spot. The result is a prototype that can handle 240 parts a minute and attain accelerations of 200 meters per square second with loads of two kilograms, compared to 100 meters per square second and one kilogram for current robots.
Full article: http://www.sciencedaily.com/releases/2007/05/070503102529.htmThe researchers particularly focused on design calculations to optimize the dimensions of each component in order to obtain maximum acceleration. Their solution meets the constraints of industry thanks to the robot's control system, which limits vibrations and, consequently, the time required by the robot to set down a part at a precise spot. The result is a prototype that can handle 240 parts a minute and attain accelerations of 200 meters per square second with loads of two kilograms, compared to 100 meters per square second and one kilogram for current robots.
Source: sciencedaily.com
Credit image: Copyright F. Pierrot - CNRS 2007