Design of a Voice Coil Motor Actuator With L-Shape Coils for Optical Zooming Smartphone Cameras [PDF]
IEEE Access, 2020 This paper proposes a voice coil motor (VCM) with a novel electromagnetic structure for smartphone OZ actuators, and the advantages of this novel design are its long displacement, compact size, and more powerful and stable Lorentz force. These advantages
Chang-Lin Hsieh, Chien-Sheng Liu
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Low-Cost In Vivo Full-Range Optical Coherence Tomography Using a Voice Coil Motor [PDF]
Micromachines, 2022 In this work, we demonstrated a novel and low-cost full-range optical coherence tomography (FROCT) method. In comparison with the off-pivot approach, which needs precise control of the deflecting distance and should be adjusted for different situations ...
Xiaoqiao Liao +8 more
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Analysis of High Force Voice Coil Motors for Magnetic Levitation
Actuators, 2020 A voice coil motor is a simple and linear electromagnetic actuator. Since it has a non-contact force and very low stiffness, it is widely used for precision positioning devices including magnetic levitation systems. During magnetic levitation, high force
Jae-Yeol Kim, Dahoon Ahn
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Design of a Single-Sided, Coreless, Flat-Type Linear Voice Coil Motor
Actuators, 2023 A voice coil motor is a type of permanent magnet linear motor, which is based on the Ampere force theorem. It has the following advantages: a simple structure, a small size, no cogging force, and a fast response time.
Wei Zhang +3 more
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Design and Simulation of Novel 3-DOF Spherical Voice Coil Motor
Actuators, 2021 Multi-DOF motion is realized in the eyes and joints of robots mostly through the combination of multiple one-degree-of-freedom (1-DOF) motors. However, this results in reduced efficiency, a large volume, reduced response speed, and inaccurate positioning.
Yi-Hsuan Lin +2 more
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Design of a Rotary-Linear Motor With Unipolar SPM and Voice Coil Structure [PDF]
IEEE Access, 2020 In this article, a rotary-linear motor that achieves rotary and linear motions with a simple one-air-gap structure, low rotary ripple, and smooth linear force is proposed. The proposed motor combines a five-phase unipolar surface-mounted permanent-magnet
Fuzhen Xing, Byung-Il Kwon
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Precision Position Control of a Voice Coil Motor Using Self-Tuning Fractional Order Proportional-Integral-Derivative Control [PDF]
Micromachines, 2016 The object of this study is to develop a self-tuning fractional order proportional-integral-derivative (SFOPID) controller for controlling the mover position of a direct drive linear voice coil motor (VCM) accurately under different operational ...
Syuan-Yi Chen, Chen-Shuo Chia
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Ironless and Leakage Free Voice-Coil Motor Made of Bonded Magnets [PDF]
IEEE Transactions on Magnetics, 2008 This paper reminds the drawbacks of classical voice-coil motors and presents a way to improve them. Two ironless and leakage free structures are presented, one using traditional sintered magnets and the other one using bonded magnets, giving the pros and cons of each solution.
Guy Lemarquand, G Lemarquand
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Research on a New Control System Based on L1 Adaptive Control Scheme for the Voice Coil Motor
Journal of Applied Mathematics, 2022 With the continuous development of voice coil motors, it has also been widely used in today’s sports competitions. For example, the Hawk-Eye system in tennis matches uses voice coil motors to focus on the camera to capture the trajectory of the tennis ...
Huaiguo Jing +6 more
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Design And Experiment On Nail Shooting Device Driven By Voice Coil Linear Motor
Journal of Applied Science and Engineering, 2023 Aiming at the problems of large volume, large noiseinconvenient useinsufficient thrust and short life of the existing nail shooting device, a kind of nail shooting device driven by voice coil linear motor with magnifying mechanism was designed and ...
Hongbing Wang +3 more
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