Results 51 to 60 of about 4,673 (260)
Advanced Materials, EarlyView.This study demonstrates a self‐assembly process to generate free‐standing piezoelectric nanomembranes, forming ultracompact microtubular acoustic wave sensors and actuators. The miniaturized 3D piezoelectric platform reported in this work can be applied in telecommunication, energy harvesting, and acoustofluidics. Moreover, the 3D self‐assembly can add
Raphaël C. L‐M. Doineau +9 more
wiley +1 more source
Development of a Compliant Pediatric Upper-Limb Training Robot Using Series Elastic Actuators
ActuatorsSeries elastic actuators (SEAs) represent a key technological solution to enhance safety, performance, and adaptability in robotic devices for physical training.
Jhon Rodriguez-Torres +2 more
doaj +1 more source
IEEE Access, 2020 Demand for robot-assisted therapy has increased at every stage of the neurorehabilitation recovery. This paper presents a controller that is suitable for the assist-as-needed (AAN) training of the wrist when performing the spatial motion. A compact wrist
Ching-Hui Lin +3 more
doaj +1 more source
Machines, 2022 Lumbar support exoskeletons with active and passive actuators are currently the cutting-edge technology for preventing back injuries in workers while lifting heavy objects.
Omar Sabah Al-Dahiree +4 more
doaj +1 more source
Effects of discretization on the K-width of series elastic actuators [PDF]
2017 IEEE International Conference on Robotics and Automation (ICRA), 2017 Rigid haptic devices enable humans to physically interact with virtual environments, and the range of impedances that can be safely rendered using these rigid devices is quantified by the Z-Width metric. Series elastic actuators (SEAs) similarly modulate the impedance felt by the human operator when interacting with a robotic device, and, in particular,
Dylan P. Losey, Marcia K. O'Malley
openaire +2 more sources
Advanced Materials, EarlyView.Residual magnetization induces pronounced mechanical anisotropy in ultra‐soft magnetorheological elastomers, shaping deformation and actuation even without external magnetic fields. This study introduces a computational‐experimental framework integrating magneto‐mechanical coupling into topology optimization for designing soft magnetic actuators with ...
Carlos Perez‐Garcia +3 more
wiley +1 more source
Force control of series elastic actuators using sliding mode control theory
Open EngineeringForce control in robotic actuators is crucial for stability, safety, and adaptability in contact environments. Series elastic actuators (SEAs) offer advantages such as improved force control, shock absorption, and reduced noise but introduce challenges ...
Jaliel Ahmed Kadhiam +2 more
doaj +1 more source
Environmental-Interaction Robotic Systems: Compliant Actuation Approach
International Journal of Advanced Robotic Systems, 2007 Many successful designs of compliant actuators have been recently proposed. However, the challenge of providing passive and active motion in one actuator has remained.
Reza Ghorbani, Qiong Wu
doaj +1 more source
Advanced Materials, EarlyView.Field‐programmed anisotropy imparts material‐level intelligence to soft composites. Magnetic torque dynamics drive magneto‐piezoelectric nanowires from random dispersion into deterministic axial alignment. The resulting hierarchical percolation networks confine electromechanical coupling to specific axes and intrinsically decouple superposed force ...
Yubin Kim +9 more
wiley +1 more source
Advanced Materials, EarlyView.Fully recombinant protein‐based biomaterials execute complex Boolean logic for user‐programmable material degradation and concomitant therapeutic cargo release. Biologics, such as growth factors, can be incorporated within the crosslinkers as “drugamers”, while encapsulated cells can be released according to nested YES/OR/AND‐type logical operations ...
Murial L. Ross +3 more
wiley +1 more source