Results 1 to 10 of about 123,080 (295)
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
doaj +4 more sources
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
doaj +2 more sources
Design and torque control base on neural network PID of a variable stiffness joint for rehabilitation robot [PDF]
Frontiers in Neurorobotics, 2022 Variable stiffness joints have been gradually applied in rehabilitation robots because of their intrinsic compliance and greater ability to adjust mechanical stiffness. This paper designs a variable stiffness joint for upper limb rehabilitation training.
Bingshan Hu +5 more
doaj +2 more sources
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
doaj +2 more sources
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
doaj +2 more sources
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
doaj +2 more sources
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
openaire +1 more source
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
doaj +1 more source
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
doaj +1 more source
Design and Analysis of Variable-Stiffness Fast-Steering Mirror
Actuators, 2023 The non-variable stiffness of the flexible hinge in the fast-steering mirror (FSM) cannot adapt to varying load demands. To address this issue, this paper presents an innovative variable-stiffness rotational mechanism designed for use with FSMs. Firstly,
Jin Luo +5 more
doaj +1 more source