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BriefROBOTICS

[Robotics]+[Progress]: SortBot AI-Powered Waste Sorting Robot Swarm Deployed in Shanghai Pudong

The SortBot waste sorting robot swarm, jointly deployed by Shanghai Environment Group and UBTECH, completed commercial operations in Pudong New District, with 6 robots collaborating to achieve automated sorting of recyclables.

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Waste sorting is one of the most labor-intensive and worst-conditioned jobs in urban management. In May 2030, Shanghai Environment Group and UBTECH deployed 6 SortBot sorting robots at a waste transfer center in Pudong New District, achieving fully automated sorting of recyclables.

SortBot uses a multi-modal perception system combining visible light cameras, near-infrared spectrometers, and tactile sensors, capable of grasping and sorting waste on conveyor belts at a rate of 2 items per second. The system can identify 52 common recyclable categories, including PET bottles, HDPE containers, cardboard, aluminum cans, and glass.

During its first month of operation, SortBot processed over 50 tons daily with a sorting accuracy of 97%, exceeding the 85% accuracy of manual sorting. Each robot can replace the workload of 3 human sorters.

However, SortBot's recognition rate drops significantly for heavily soiled waste (such as plastic bags contaminated with food residue), falling to just 78%. UBTECH is addressing this issue by expanding training data and upgrading sensors.