Haptic identification of objects using a modular soft robotic gripper
BS Homberg, RK Katzschmann… - 2015 IEEE/RSJ …, 2015 - ieeexplore.ieee.org
2015 IEEE/RSJ international conference on intelligent robots and …, 2015•ieeexplore.ieee.org
This work presents a soft hand capable of robustly grasping and identifying objects based
on internal state measurements. A highly compliant hand allows for intrinsic robustness to
grasping uncertainty, but the specific configuration of the hand and object is not known,
leaving undetermined if a grasp was successful in picking up the right object. A soft finger
was adapted and combined to form a three finger gripper that can easily be attached to
existing robots, for example, to the wrist of the Baxter robot. Resistive bend sensors were …
on internal state measurements. A highly compliant hand allows for intrinsic robustness to
grasping uncertainty, but the specific configuration of the hand and object is not known,
leaving undetermined if a grasp was successful in picking up the right object. A soft finger
was adapted and combined to form a three finger gripper that can easily be attached to
existing robots, for example, to the wrist of the Baxter robot. Resistive bend sensors were …
This work presents a soft hand capable of robustly grasping and identifying objects based on internal state measurements. A highly compliant hand allows for intrinsic robustness to grasping uncertainty, but the specific configuration of the hand and object is not known, leaving undetermined if a grasp was successful in picking up the right object. A soft finger was adapted and combined to form a three finger gripper that can easily be attached to existing robots, for example, to the wrist of the Baxter robot. Resistive bend sensors were added within each finger to provide a configuration estimate sufficient for distinguishing between a set of objects. With one data point from each finger, the object grasped by the gripper can be identified. A clustering algorithm to find the correspondence for each grasped object is presented for both enveloping grasps and pinch grasps. This hand is a first step towards robust proprioceptive soft grasping.
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