Analysis of High Force Voice Coil Motors for Magnetic Levitation [PDF]
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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Low-Cost In Vivo Full-Range Optical Coherence Tomography Using a Voice Coil Motor. [PDF]
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
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Precision Position Control of a Voice Coil Motor Using Self-Tuning Fractional Order Proportional-Integral-Derivative Control. [PDF]
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.
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Design of a Single-Sided, Coreless, Flat-Type Linear Voice Coil Motor
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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Research on a New Control System Based on L1 Adaptive Control Scheme for the Voice Coil Motor
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
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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Design of Sliding Mode Controller for Voice Coil Motor Using Nonlinear Observer [PDF]
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
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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
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Novel Magnetic Circuit Design and Acceleration Calculation of Horizontal Linear Vibration Motor
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
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Development of a Novel Dual Servo Magnetic Levitation Stage
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
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