Results 21 to 30 of about 698 (181)
Vibration control with thin-film-coil actuator for head-positioning system in hard disk drives
In a head-positioning system of hard disk drives, various mechanical resonances may degrade performance or stability of the control system. In these mechanical resonances, a torsional mode of a head-stack assembly (HSA), in which a resonant frequency is ...
Takenori ATSUMI +3 more
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Rotary voice coil actuators (RVCAs) are commonly used for precision servo drive systems working within limited angle range in some fields including aerospace.
Li Yong +4 more
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Design and Control of a Dual-Stage Actuation Active Vibration Isolation System
Active vibration isolation system is used in various fields to reduce the vibrations transmitted. In this paper, a novel dual-stage actuator is proposed, which combines a voice coil motor and a piezoelectric actuator.
Bo Zhao, Weijia Shi, Jiubin Tan
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Modelling of a Positive End-Expiratory Pressure Valve with a Voice-coil Actuator
The positive end-expiratory pressure (PEEP) valve is important in the regulation of the pressure at the patient airways in devices for mechanical ventilation.
Brütt Robin +3 more
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Two-stroke engines taking advantages of high power density and light weight as well as small size are widely used on aircrafts. Compared with conventional fuel injection system, gasoline direct injection technology can control the air-fuel ratio ...
Hongli Gao +5 more
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Design of a Voice Coil Motor for Active Vibration Isolator of CFRP High Speed Inspection System [PDF]
The demand for inspection of high-speed systems for machined Carbon Fiber Reinforced Plastics parts for automobile-industry and aviation industry is constantly rising.
Hyo-Young Kim +4 more
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Design of 4-DOF Voice Coil Motor with Function of Reducing Laser Geometrical Fluctuations
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
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Voice Coil Actuators For Percussion Robotics
Percussion robots have successfully used a variety of actuator technologies to activate a wide array of striking mechanisms. Popular types of actuators include solenoids and DC motors. However, the use of industrial strength voice coil actuators provides a compelling alternative given a desirable set of heterogeneous features and requirements that span
Robert Van Rooyen +2 more
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Design of a linear macro–micro actuation stage considering vibration isolation
In microelectronics manufacturing, macro–micro actuation stages are typically applied to obtain a high-precision positioning at a high acceleration. Macro–micro actuation stage comprises a voice coil motor that achieves a high-acceleration motion and a ...
Lufan Zhang +3 more
doaj +1 more source
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
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