Collaborative robots used in education industry and secondary development of robots

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01Background

Collaborative Robots are a type of robot designed to interact closely with humans in a common workspace. The working scenarios of traditional industrial robots are often set in safety fences or other protective facilities, to complete tasks such as welding, spraying, handling, palletizing, polishing, grinding and other high-precision, high-speed operations. In order to ensure the safety of the workers, a series of safety measures are required when using the robot. For example, the use of a safety fence to limit the robot’s movement within the safety fence, and workers need to stop or restrict the robot’s before entering the safety fence. 

However, collaborative robots work in a completely different method. It can work directly with the operator on the same production line, without the need for a safety fence for isolation, but can share the same work space. Therefore, this unconventional new working mode builds a bridge between fully manual and fully automatic production modes.

A Beijing university uses the ELITE EC66 collaborative robot for educational projects in the institution and the secondary development of robot-based vision applications. They chose ELITE because of ELITE’s rich communication interfaces, including: TCP / IP, 16 x DI, 16 x DO, 2 x AI and 4 xAO, and the host computer SDK function support: windows, Linux sdk, API Call, support remote error clear and reset.

02Solution

In addition, ELITE collaborative robots contain the major characteristics of collaborative robots: collision stop, impedance control, and full trajectory / speed retracing. For example, the collision detection realizes human-machine interaction and real-time detection of the collision between the robot and the staff, while ensuring that the collision will not harm the staff via corresponding control strategies. The hyper-sensitive free drive teaching function enables the robot to fully reproduce the free drive trajectory. 

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