Abstract
Picking tomatoes from plants in farm fields using an autonomous robotic gripper is a challenging problem especially when tomatoes are present in the form of a dense cluster as multiple aspects have to be kept in mind while doing the successful operation to prevent them from any kind of damage. Here we have proposed a novel compliant and soft robotic gripper with fingers in the form of curved beams made up of thermoplastic polyurethane (TPU) with a separating mechanism for picking target tomato from a cluster attached with a pedicel cutting mechanical iris mechanism having sharp blades. To actuate the gripper fingers a servo motor pulls them through a set of fishing lines. A comparison is drawn for the variation of fingertip positions, velocities, angle w.r.t time, and trajectory followed obtained through kinematic equations and motion tracking through a camera. Finally, a comparative analysis is done for the variation of separating, cutting, grasping, and total operation time w.r.t tomato sample diameter.
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Ansari, S., Bhattacharya, B. (2023). Design and Development of a Tomato Picking Soft Robotic Gripper with a Separator and Mechanical Iris Based Pedicel Cutting Mechanism. In: Valle, M., et al. Advances in System-Integrated Intelligence. SYSINT 2022. Lecture Notes in Networks and Systems, vol 546. Springer, Cham. https://doi.org/10.1007/978-3-031-16281-7_27
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DOI: https://doi.org/10.1007/978-3-031-16281-7_27
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