Improved Active Disturbance Rejection Double Closed-Loop Control of a Rotary-Type VCM in a Moving Mirror Control System [PDF]
Sensors, 2022 Aiming to address the problem of moving mirror speed fluctuations in moving mirror control systems, an improved active disturbance rejection double closed-loop controller (IADR-DCLC) is proposed and verified by simulation to realize the high-performance ...
Liangjie Zhi +6 more
doaj +2 more sources
Overview of Position Servo Control Technology and Development of Voice Coil Motor
CES Transactions on Electrical Machines and Systems, 2022 Voice coil motor (VCM) is a special direct drive linear motor, which can convert electric energy directly into mechanical energy without the use of transmission mechanism. VCM has the advantages of simple structure, good rigidity, fast response, silence,
Yue Qiao, Tianyi Zhao, Xianguo Gui
doaj +3 more sources
Design of a Voice Coil Motor Actuator With L-Shape Coils for Optical Zooming Smartphone Cameras
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
doaj +3 more sources
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
doaj +2 more sources
Design, Modeling, and Testing of a Long-Stroke Fast Tool Servo Based on Corrugated Flexure Units [PDF]
MicromachinesTo further enhance the performance of the fast tool servo (FTS) system in terms of stroke, load capacity, and application area, this paper proposes a novel fast tool servo device driven by a voice coil motor (VCM), based on a three-segment uniform ...
Ning Chen +4 more
doaj +2 more sources
The Systematic Design of Voice Coil Motor Structures for Rapid Zoom Optical Lens
ActuatorsIn order to solve the zoom delay issue for high-magnification zoom optical systems, a voice coil motor (VCM) is used to achieve rapid zooming. In this paper, the structural design of VCMs is systematically analyzed through magnetic field numerical ...
Junqiang Gong, Dameng Liu, Jianbin Luo
doaj +3 more sources
Design of 4-DOF Voice Coil Motor with Function of Reducing Laser Geometrical Fluctuations
Actuators, 2021 In order to improve the quality of the laser and shorten the optical path of the fast steering mirror (FSM) laser compensation system, this paper proposes a four-degrees-of-freedom (4-DOF) voice coil motor (VCM) with the function of reducing laser ...
Chien-Sheng Liu, Yu-Cheng Wu, Yu-Jie Lan
doaj +1 more source
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
doaj +1 more source
Design of Sliding Mode Controller for Voice Coil Motor Using Nonlinear Observer [PDF]
مجله 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
Actuators, 2022 Electromagnetic active suspension is an important technique used in vehicles to improve ride comfort and handling stability. To achieve satisfactory suspension performance, the active suspension control requires strong robustness against the vehicle ...
Feng Pan, Junlin Luo, Wei Wu
doaj +1 more source