Jul-Sep 2024

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Experts’ Picks

by Dr. Majid Taghavi (Senior Lecturer in Robotics, Queen Mary University of London) –

The hexagonal electrohydraulic structure combines multiple advanced features in an electrically actuated muscle. Its innovative design enhances the strain generated by HASEL actuators with a high contraction rate, while its rapid reconfiguration supports a wide range of achievable functions with its integrated power unit. Building on its actuation capabilities, the units can be augmented with sensing, control, and dynamic reconfiguration, enabling them to collectively perform sophisticated tasks while remaining adaptable in form and function.

by Dr. Maria Elena Giannaccini (Lecturer in Robotics, University of Aberdeen) –

The gripper featured in this work perfectly exemplifies the effectiveness of using bioinspiration in robotics by showing how dynamic, robust grasping can be achieved by a robotic gripper inspired by a sea anemone. This approach brings forward another bioinspired concept: that intelligence and effectiveness can emerge when multiple simple agents work in synergy. The single tentacles cannot individually grasp the desired object but their collective action achieves the goal. This study not only presents interesting new hardware but also shows how different concepts that I and others have used in our research can be combined to produce a novel grasping approach.

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Contributing Experts

  • Majid Taghavi is senior lecturer in Queen Mary University of London and a research fellow at Imperial leading his interdisciplinary research group on Soft Robotic Transducers within the Department of Bioengineering. His goal is to pioneer the next generation of artificial muscles with extended functionalities, ultimately creating monolithic soft robots for health applications. His approach involves advancing the material, structure and functionality of soft actuators, incorporating features such as variable stiffness, graded stiffness, self-sensing, self-powered, adaptability and shape-shifting to establish novel core technologies for future wearable, implantable and surgical robotics. Prior to this role, Majid served as a postdoctoral researcher in SoftLab at the University of Bristol, where he introduced multiple artificial muscle technologies. Majid earned his PhD in BioRobotics from Scuola Superiore Sant’Anna with the highest honors, receiving the Italian Institute of Technology (IIT) scholarship. During his doctoral studies, he delivered multiple electromechanical and bioelectrochemical energy harvesting and self-powered sensing technologies from nano to macro scales.
  • Dr Maria Elena Giannaccini graduated with honours in Biomedical Engineering from the Università di Pisa. Her Master’s thesis focused on the control of a soft, variable stiffness actuator inspired by the Octopus Vulgaris and was conducted at Scuola Superiore Sant’Anna, Italy as part of the EU-funded OCTOPUS project. In 2015 she obtained her PhD in Robotics at the Bristol Robotics Laboratory as an Early Stage Researcher in the Marie-Curie ITN project INTRO. Her PhD and subsequent research position focussed on developing safe, variable stiffness robotic devices. Most recently she worked at the University of Bristol on the soft, bioinspired Tactip sensor and in developing a soft robotics artificial larynx. In 2019 Elena was appointed as a Lecturer in Robotics at the University of Aberdeen where she pioneered research in soft robotics and started her work on soft wearable devices for rehabilitation.