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Three-armed Sashimi-Bot learns to slice and serve fish like a pro

Norwegian engineers created a three-armed robot capable of autonomously slicing and serving raw salmon. The system uses tactile sensing and deep reinforcement learning to manage the irregular shape of fish loins. It can slice the fish and move the pieces using chopsticks.

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New details emerge regarding the robot's tactile sensor accuracy and specific arm functions.

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  1. Norwegian Researchers Develop Three-Armed Sashimi-Bot

    Norwegian engineers created a three-armed robot capable of autonomously slicing and serving raw salmon. The system uses tactile sensing and deep reinforcement learning to manage the irregular shape of fish loins. It can slice the fish and move the pieces using chopsticks.

    What's confirmed:

    • Sashimi-Bot is a three-armed robotic system developed by Norwegian researchers to prepare salmon sashimi.
    • The robot uses tactile sensing to detect when the blade hits the cutting board with 95% accuracy.
    • One arm slices with a chef's knife, a second arm stabilizes the fish, and a third arm uses chopsticks to pick up slices.
    • The system was trained using deep reinforcement learning in simulation before being transferred to the physical robot.
    • The robot is designed to handle non-rigid, slippery materials like salmon loins.

    Still unconfirmed:

    • The system cut 34 salmon slices and successfully placed 26 of 28 that landed on the board.
    • The GelSight sensor was trained on 12,397 readings from 157 cutting motions.
    confidence 100%