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
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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
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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, Development and Implementation of the Position Estimator Algorithm for Harmonic Motion on the XY Flexural Mechanism for High Precision Positioning. [PDF]
Sensors (Basel), 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 ...
Shewale M +3 more
europepmc +4 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
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Composite Motion Design Procedure for Vibration Assisted Small-Hole EDM Using One Voice Coil Motor [PDF]
Shock and Vibration, 2016 To address the problem of debris accumulation in small-hole electrical discharge machine (EDM) and simplify the design of the spindle head, the paper proposes a novel composite motion design procedure integrated high frequency vibration and large stroke ...
Jing Cui, Zhongyi Chu
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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
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The use of machine vision for assessment of fodder quality [PDF]
, 2007 At present fodder is assessed subjectively. The evaluation depends greatly on a personal opinion and there can be large variations in assessments. The project has investigated the use of machine vision in several ways, to provide measures of fodder ...
Billingsley, John, Dunn, Mark T.
core +11 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 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
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