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Analysis of High Force Voice Coil Motors for Magnetic Levitation [PDF]

open access: yesActuators, 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
doaj   +4 more sources

Low-Cost In Vivo Full-Range Optical Coherence Tomography Using a Voice Coil Motor. [PDF]

open access: yesMicromachines (Basel), 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 ...
Liao X   +8 more
europepmc   +2 more sources

Precision Position Control of a Voice Coil Motor Using Self-Tuning Fractional Order Proportional-Integral-Derivative Control. [PDF]

open access: yesMicromachines (Basel), 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 ...
Chen SY, Chia CS.
europepmc   +2 more sources

Design of a Single-Sided, Coreless, Flat-Type Linear Voice Coil Motor

open access: yesActuators, 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
doaj   +1 more source

Research on a New Control System Based on L1 Adaptive Control Scheme for the Voice Coil Motor

open access: yesJournal 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
doaj   +1 more source

Design And Experiment On Nail Shooting Device Driven By Voice Coil Linear Motor

open access: yesJournal 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
doaj   +1 more source

Design of Sliding Mode Controller for Voice Coil Motor Using Nonlinear Observer [PDF]

open access: yesمجله مدل سازی در مهندسی, 2021
Voice coil motors (VCM) are used in very small equipment such as mobile phone cameras and the use of a robust control feature as sliding mode control (SMC) is inevitable in them.
Ali Karami-Mollaee   +1 more
doaj   +1 more source

Design, Development and Implementation of the Position Estimator Algorithm for Harmonic Motion on the XY Flexural Mechanism for High Precision Positioning

open access: yesSensors, 2020
This article presents a novel concept of the position estimator algorithm for voice coil actuators used in precision scanning applications. Here, a voice coil motor was used as an actuator and a sensor using the position estimator algorithm, which was ...
Mahesh Shewale   +3 more
doaj   +1 more source

Novel Magnetic Circuit Design and Acceleration Calculation of Horizontal Linear Vibration Motor

open access: yesActuators, 2022
This study proposes a novel magnetic circuit design to reduce the size of horizontal linear vibration motors (HLVMs) used in vehicle touchscreens. The HLVM prototype uses two thick permanent magnets to create a magnetic circuit below the voice coil ...
Zhixiong Jiang   +2 more
doaj   +1 more source

Development of a Novel Dual Servo Magnetic Levitation Stage

open access: yesActuators, 2022
The main objective of this paper is to propose, design, and control a novel dual servo magnetic levitation stage which is precise and vacuum compatible.
Dahoon Ahn   +3 more
doaj   +1 more source

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