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Thread: Soft robotics, Harvard Microrobotics Laboratory, Cambridge, Massachusetts, USA

  1. #11


    Soft robotic glove for kinesthetic haptic feedback in virtual reality

    Published on May 18, 2017

    Current virtual reality technologies rely heavily on visual and audio feedback as a form of sensory feedback. Most existing wearable haptic devices use vibrating motors, which are unable to provide force feedback, or rigid linkage devices which are bulky and inflexible. We address this issue with a wearable soft robotic glove capable of safely applying forces to the fingers of the user. The glove design includes a soft exoskeleton actuated by Mckibben muscles that are controlled using a custom fluidic control board. The result is a haptic glove that is compliant, compact and unintimidating. We demonstrated its application with a virtual reality environment that simulates playing the piano and received positive preliminary feedback from users. This glove represents a step toward developing natural 3D user interfaces by replacing the existing wand controllers.

  2. #12


    Custom soft robotic gripper sensor skins for haptic object visualization

    Published on Sep 18, 2017

    This is the video submission for the paper:

    Custom Soft Robotic Gripper Sensor Skins for Haptic Object Visualization

    by Benjamin Shih, Dylan Drotman, Caleb Christianson, Zhaoyuan Huo, Ruffin White, Henrik I. Christensen, and Michael T. Tolley

    From the University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, USA.

    Presented at the 2017 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS 2017) in Vancouver, Canada, September 24–28, 2017.
    "Robot hand is dexterous enough to screw in a lightbulb, turn a screwdriver"

    by Luke Dormehl
    October 12, 2017

  3. #13


    Soft robotics at Harvard Engineering

    Published on Feb 27, 2018

    Collaborations between bioengineers, material scientists, medical practitioners, and computer scientists have opened up entirely new avenues for innovation in human-assistive robotics, surgical robotics, search and rescue, and more.

  4. #14


    Transparent eel-like soft robot can swim silently underwater

    Published on Apr 25, 2018

    An innovative, eel-like robot developed by engineers and marine biologists at the University of California can swim silently in salt water without an electric motor. Instead, the robot uses artificial muscles filled with water to propel itself. The foot-long robot, which is connected to an electronics board that remains on the surface, is also virtually transparent.
    The team, which includes researchers from UC San Diego and UC Berkeley, details their work in the April 25 issue of Science Robotics.


    Translucent soft robots driven by frameless fluid electrode dielectric elastomer actuators

    Published on Apr 25, 2018

    "Translucent Soft Robots Driven by Frameless Fluid Electrode Dielectric Elastomer Actuators"

    by C. Christianson, N. N. Goldberg, D. Deheyn, S. Cai, and M. T. Tolley
    Science Robotics; 3, eaat1893 (2018).

  5. #15


    A robot that can change stiffness

    Published on May 1, 2018

    Researchers from the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) and the Wyss Institute for Biologically Inspired Engineering have shown how a multi-layered structure can allow robots to create and eliminate joints on command. The structure allows robots to rapidly change their stiffness, damping, and dynamics.

  6. #16


    Cephalopod-inspired robot capable of cyclic jet propulsion through shape change

    Jun 5, 2022

    The compliance and conformability of soft robots provide inherent advantages when working around delicate objects or in unstructured environments. However, rapid locomotion in soft robotics is challenging due to the slow propagation of motion in compliant structures, particularly underwater. Cephalopods overcome this challenge using jet propulsion and the added mass effect to achieve rapid, efficient propulsion underwater without a skeleton. Taking inspiration from cephalopods, here we present an underwater robot with a compliant body that can achieve repeatable jet propulsion by changing its internal volume and cross-sectional area to take advantage of jet propulsion as well as the added mass effect. The robot achieves a maximum average thrust of 0.19 N and maximum average and peak swimming speeds of 18.4 cm s−1 (0.54 body lengths/s) and 32.1 cm s−1 (0.94 BL/s), respectively. We also demonstrate the use of an onboard camera as a sensor for ocean discovery and environmental monitoring applications.

    Related Publication: Christianson C., Cui Y., Ishida M., Bi X., Zhu Q., Pawlak G., Tolley M. T., (2020), "Cephalopod-Inspired Robot Capable of Cyclic Jet Propulsion Through Shape Change", Bioinspiration and Biomimetics, 16, 016014.
    iopscience.iop.org/article/10.1088/1748-3190/abbc72

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