Results 21 to 30 of about 2,793 (255)

Modeling and Control of a Dual Stage Actuator Hard Disk Drive

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2010
A data-based approach is presented for modeling and controller design of a dual-stage servo actuator in a hard disk drive. The servo actuator in this hard disk drive consists of a conventional voice coil motor and a piezo-electrically actuated suspension.
Uwe BOETTCHER   +2 more
doaj   +1 more source

The Research of Technologies of High Precision & Long Life Space Tracking Mechanism

open access: yesMATEC Web of Conferences, 2017
In the field of space remote sensing technology, this paper researches on the technologies of high precision and long life tracking mechanism. The especial requirements in space for tracking mechanism are presented firstly, and the technologies are ...
Cao Qian, Li Ming, Xu Pengmei
doaj   +1 more source

Calculation, simulation and fast estimation of thermal resistance of rotary voice coil actuators

open access: yesIET Electric Power Applications, 2022
Rotary voice coil actuator (RVCA) is mainly used for reciprocating drive of small inertia loads in a limited range of angle, which is widely used in aerospace and other fields. Thermal resistance is one of the most important parameters of RVCAs, which is
Jianhui Hu   +6 more
doaj   +1 more source

Active Disturbance Rejection Control of Voice Coil Motor Active Suspension Based on Displacement Feedback

open access: yesActuators, 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

A Rotary-Linear SPM Voice Coil Motor With PM Flux Bridges for Output Performance Improvement

open access: yesIEEE Access, 2021
This paper proposes a rotary-linear surface-mounted permanent magnet (PM) voice coil motor (RL-SVCM) with PM flux bridges in place of the iron flux bridges in a traditional RL-SVCM for enhancing average torque and force ripple but slight damage of torque
Fuzhen Xing   +3 more
doaj   +1 more source

Design of a linear macro–micro actuation stage considering vibration isolation

open access: yesAdvances in Mechanical Engineering, 2015
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

Design of a Voice Coil Motor for Active Vibration Isolator of CFRP High Speed Inspection System [PDF]

open access: yes한국정밀공학회지, 2019
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
doaj   +1 more source

Design of Coaxial Integrated Macro–Micro Composite Actuator With Long-Stroke and High-Precision

open access: yesIEEE Access, 2022
Macro–micro composite-driving structures are widely used in many applications, and research has been done to improve the associated driving stroke and positioning accuracy. This article proposes a novel macro–micro composite actuator (MMCA)
Caofeng Yu   +5 more
doaj   +1 more source

The Lupus Damage Index Revision Program: Results From the Item Generation and Reduction Phases

open access: yesArthritis Care &Research, EarlyView.
Objective A data‐driven and expert/patient consensus‐based project to develop a revised Systemic Lupus International Collaborating Clinics (SLICC)/American College of Rheumatology (ACR) Damage Index (SDI) is under way supported by SLICC, ACR, and the Lupus Foundation of America. Our objective is to report the item generation and reduction phase results
Burak Kundakci   +25 more
wiley   +1 more source

Design and Implementation of Bulk Feeders Using Voice Coil Motors

open access: yesActuators
Bulk feeders that can automatically feed materials are one of the most commonly used vibration devices in the electronics industry. This study uses voice coil motors to design and implement a dual-axis bulk feeder and a quad-axis bulk feeder, allowing ...
Yu-Ting Yang   +2 more
doaj   +1 more source

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