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The Effect of 5G Mobile Phone Electromagnetic Exposure on Corticospinal and Intracortical Excitability in Healthy Adults: A Randomized Controlled Pilot Study. [PDF]
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Cluster analysis of articulatory trajectories in fluent nonword productions separates adults who stutter from fluent speakers. [PDF]
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A fast X-ray shutter for high-power beams. [PDF]
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Optimal Design of Voice Coil Motor for Micro Stage
Applied Mechanics and Materials, 2014Micro stages have been used for various purposes on such as industry inspection, positioning technology, and manufacturing of semi-conductor etc. These micro stages have voice coil motor for actuator. The actuator has to be properly made in confined volume to generate enough force to thrust the stage.
Dong Pyo Hong, Hong Dong Pyo
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A MEMS Voice Coil Motor with a 3D Solenoid Coil
2021 IEEE 16th International Conference on Nano/Micro Engineered and Molecular Systems (NEMS), 2021Previously-reported electromagnetic (EM) linear micromotors typically applied meander coils or planar spiral coils because there are many difficulties in solenoid coil fabrication using integrated micro electro-mechanical system (MEMS) technologies.
Jiamian Sun +6 more
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Research on Voice Coil Motor Control Considering Interference
2021 IEEE 16th Conference on Industrial Electronics and Applications (ICIEA), 2021This paper discusses the influence of external interference on voice coil motor, establishes a mathematical model of voice coil motor, and proposes the state space equations of voice coil motor that meet the requirements of affine system. On this basis, three-closed-loop PID controller and active disturbance rejection controller are designed.
Yiqun Huang +3 more
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Optimal control of a voice-coil-motor with Coulombic friction
2008 47th IEEE Conference on Decision and Control, 2008The voice-coil-motor is a widely used mechatronic device, which represents a typical electrodynamic actuator for machine tool axes, bonding machines and hydraulic/pneumatic valve drives. One principal task consists in steering the system precisely to a prescribed target in minimal time or with minimal energy.
Bahne Christiansen +2 more
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A Specially Arranged Halbach Structure for Voice Coil Motors
2020 3rd International Conference on Advanced Electronic Materials, Computers and Software Engineering (AEMCSE), 2020This paper proposes a special Halbach structure for the magnetic circuit design of voice coil motors(VCM). The permanent magnets arranged by the special Halbach array are stators and the coils are movers. After calculation and finite element software Ansoft Maxwell simulation, the results show that the improved structure not only provides greater ...
Di Wu, Zina Zhu, Kaiyuan Li, Peng Wu
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Research on Cooling Methods of Voice Coil Motor
Volume 1: Operations and Maintenance, Engineering, Modifications, Life Extension, Life Cycle and Balance of Plant; I&C, Digital Controls, and Influence of Human Factors, 2017Voice coil motor (VCM) has advantages of small volume, light weight, rapid response to velocity and acceleration, uniform mechanical characteristics, etc. It is widely used in various types of servo control systems. Because of the compact structure, heat dissipation from VCM becomes more difficult.
Pu Zhou +4 more
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