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Flexure Variable Stiffness Actuators
Advanced Intelligent Systems, 2022 Series elastic actuators (SEAs) and variable elastic actuators (VSAs) provide shock resistance, energy storage, and stable force control. However, they usually require extra springs, mechanical parts, and transmissions, increasing size, weight, number of
Frederic H. Giraud +2 more
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Design and Experiment Investigation on Soft Grippers with Modular Variable Stiffness Structure [PDF]
Micromachines, 2023 Soft grippers have good adaptability and flexibility for grasping irregular or fragile objects, and to further enhance their stiffness, soft grippers with variable stiffness have been developed.
Pengbing Zhao +4 more
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A Pneumatic Particle-Blocking Variable-Stiffness Actuator [PDF]
Sensors, 2023 In order to improve the stiffness of flexible robots, this paper proposes a variable-stiffness elastic actuator. The actuator integrates the working principles of a pneumatic drive, wedge structure, and particle blockage.
He Peng, Xia Wang, Dexu Geng, Wenzhi Xu
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Design, Modeling and Performance Analysis of an Actively Variable Stiffness Pneumatic Flexible Bending Joint [PDF]
SensorsThe contradiction between high compliance and low load-bearing capacity of flexible manipulators limits their engineering applications. Meanwhile, the theoretical modeling of the deformation and variable stiffness characteristics of flexible joints still
Xia Wang +6 more
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Performance Optimization for Bionic Robotic Dolphin with Active Variable Stiffness Control [PDF]
Biomimetics, 2023 Aquatic animals such as fish and cetaceans can actively modulate their body stiffness with muscle to achieve excellent swimming performance under different situations.
Di Chen +5 more
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IonPad adhesive gripper with variable-stiffness endoskeleton [PDF]
Frontiers in Robotics and AIIn this study, we develop an innovative adhesion gripper capable of handling plate-like objects with various thicknesses without causing damage. The gripper combines an adhesion pad utilizing intermolecular forces and a variable-stiffness endoskeleton ...
Yuno Takitani +3 more
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Design and Evaluation of a Novel Variable Stiffness Hip Joint Exoskeleton [PDF]
SensorsAn exoskeleton is a wearable device with human–machine interaction characteristics. An ideal exoskeleton should have kinematic and kinetic characteristics similar to those of the wearer.
Tao Yang +3 more
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NEW DESIGNS OF VARIABLE STIFFNESS COUPLINGS [PDF]
Scientific Journal of Silesian University of Technology. Series Transport, 2022 Flexible couplings are widely used in mechanical drives of transport and other machines. A fundamental function of flexible shaft couplings regarding torsional vibration is the optimum tuning of torsional oscillating mechanical systems.
Peter KAŠŠAY, Matej URBANSKÝ
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Task-Oriented Stiffness Setting for a Variable Stiffness Hand [PDF]
2023 IEEE International Conference on Robotics and Automation (ICRA), 2023 The integration of variable stiffness actuators (VSA) in robotic systems endows them with intrinsic flexibility and therefore robustness to unknown disturbances. However, this characteristic presents a challenge: choosing the best intrinsic stiffness setting guaranteeing the required force application capability while keeping the system as adaptable to
Huezo Martin, Ana Elvira +4 more
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Research on a Variable-Stiffness Joint and Its Application in Actuators
Actuators, 2023 Variable-stiffness actuators can flexibly adjust the overall or local stiffness of a structure, thus enabling reconstruction, adaptation, and locking capabilities that can meet a wide range of task requirements.
Qi Wang +4 more
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