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Fabric electromagnetic actuators
Smart Materials and Structures, 2023Abstract Soft electromagnetic actuators have important applications in fields, such as soft robots, human–machine interaction, and biomedicine, owing to their fast response speed, high driving efficiency, and large driving force. However, there are persistent challenges in the development of high-performance soft electromagnetic ...
Qi Wang +9 more
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Multigrid Simulation of Electromagnetic Actuators
ZAMM - Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik, 2001AbstractA recently developed multigrid simulation scheme for coupled magneto‐mechanical systems is presented. This scheme allows the efficient calculation of 3D dynamic motions of elastic ferromagnetic materials in a magnetic field. The 3D mechanical problem is discretized with nodal elements and the 3D magnetic problem with edge elements.
Schinnerl, M., Langer, U., Lerch, R.
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Planar multidipolar electromagnetic actuators
IEEE Transactions on Magnetics, 2003We have conducted a study to find the most powerful planar magnetic actuator that works with a limited amount of current. The actuator must be flat so that it can be fabricated with thin-film or thick-film techniques. In this paper, we propose several configurations of planar electromagnetic actuators.
B.M. Dutoit, P.-A. Besse, R.S. Popovic
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Electromagnetically driven elastic actuator
2014 IEEE International Conference on Robotics and Biomimetics (ROBIO 2014), 2014Elastic and active elements will play a leading role in the development of dexterous and compliant robots. We present the fabrication of an elastic functional structure with ferromagnetic properties capable of producing compressive stress and strain in the presence of magnetic fields.
Federico Fries +4 more
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Electromagnetically Actuated FR4 Scanners
IEEE Photonics Technology Letters, 2008A torsional micromechanical scanner is fabricated from thin fire resistant 4 substrates using standard printed circuit board technology. The top and the bottom copper layers are connected with vias and shaped as a single coil to enable one- and two-dimensional electromagnetic actuation with an external magnet.
Hakan Urey +2 more
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A flexure-based electromagnetic linear actuator
Nanotechnology, 2008This paper introduces a novel nano-positioning actuator with large displacement and driving force, termed a flexure-based electromagnetic linear actuator (FELA). It mainly comprises an electromagnetic driving scheme and flexure-supporting bearings that provide infinite positioning resolution and highly repeatable motion.
Tat Joo, Teo +3 more
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Smart Actuator for Sensorless Electromagnetic Variable Valve Actuation
SAE Technical Paper Series, 2001<div class="htmlview paragraph">Replacing the traditional camshaft of spark ignition engines by a variable valve actuation (EVA) system promises noticeable fuel savings and substantial improvement of the motor torque [<span class="xref">1</span>].
R. Uhlenbrock, J. Melbert, G. Lugert
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A new electromagnetic valve actuator
Power Electronics in Transportation, 2002, 2005In conventional internal combustion engines, engine valve displacements are fixed relative to crankshaft position. If these valves are actuated as a variable function of crankshaft angle, significant improvements in fuel economy can be achieved. Existing electromagnetically actuated variable-valve-timing (WT) systems characteristically use springs to ...
W.S. Chang +5 more
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