Results 51 to 60 of about 1,659,328 (166)

Hard Disk Drive With Voltage-Driven Voice Coil Motor and Model-Based Control

, 2005
In this paper, we describe the voice coil model-based control (VCMC), a new solution for driving the voice coil motor (VCM) in hard disk drives (HDDs), in which the usual current driver for the VCM has been replaced by a voltage driver.
MAIOCCHI G., OBOE, ROBERTO, MARCASSA F
core   +1 more source

In Situ Measurement of Seeking Speed and Seeking Induced Head-Disk Interface Instability in Hard Disk Drives

Shock and Vibration, 2015
This paper investigated the instability of head-disk interface caused by the voice coil motor (VCM) end crashing the crash stop during the seeking of magnetic head.
Yu Wang, Xiongfei Wei, Yanyang Zi, Kwok-Leung Tsui   +3 more
doaj   +1 more source

Voltage Driven Hard Disk Drive with Voice Coil Model-based Control

, 2005
In this paper, we describe a new solution for driving the voice coil motor (VCM) in hard disk drives (HDDs), in which the usual current driver for the voice coil motor has been replaced by a voltage driver. When used in conjunction with PWM power stages,
MAIOCCHI G., OBOE, ROBERTO, MARCASSA F
core   +1 more source

Analysis of Adaptive Fractional-Order Sliding-Mode Control Method Based on Smith Predictor for Voice Coil Motor

Applied Sciences
To satisfy the stringent requirements of ultra-precision systems for high accuracy and rapid dynamic response, the chatter and system delay of voice coil motor (VCM) under operating conditions have become key bottlenecks restricting overall performance ...
Ziyi Shi, Xiaobao Yang
doaj   +1 more source

Data‐driven adaptive control design for active stabilization of stratospheric airship imaging platform: A characteristic model approach

IET Control Theory &Applications, Volume 18, Issue 12, Page 1491-1504, August 2024.
This study presents a data‐driven design method for stabilizing imaging platform. It has the following characteristics and advantages: (1) It avoids the dependence on the prior model and improves the adaptability and robustness of the system to the environment; (2) Different from the existing learning‐based algorithms, it does not involve the ...
Yanlin Chen, Shaoping Shen, Junjie Guan, Zikun Hu   +3 more
wiley   +1 more source

Synthesizable Fixed-Point Model of a Voice Coil Motor Driver for FPGA Emulation

Chips
As the need for the validation of mixed-signal systems such as Voice Coil Motor (VCM) drivers increases, verifying analog–digital interactions early in the design flow has become essential.
Giorgio Distefano, Federico La Paglia, Franco Fiorante   +2 more
doaj   +1 more source

Realization of an adaptive voltage driver for voice coil motor

, 2005
In this paper we describe a head servo-positioning system for hard disk drives (HDDs), in which the usual current command for the voice coil motor has been replaced by a simpler voltage command. This solution has proven advantages in terms of cost, since
Oboe R., Antonello R., Capretta P.
core   +1 more source

Electrical Performance of a Piezo-inductive Device for Energy Harvesting with Low-Frequency Vibrations

Actuators, 2019
This study presents the experimental evaluation of a piezo-inductive mechanical system for applications of energy harvesting with low-frequency vibrations.
Carlos Alberto Vargas, Hector Andres Tinoco   +1 more
doaj   +1 more source

Desenvolvimento de um método de controle em tempo real da temperatura da bobina e do deslocamento do cone de alto-falantes para operação em alta potência [PDF]

, 2005
Dissertação (Mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-graduação em Engenharia ElétricaCom o alto-falante operando em sistema de alta potência (comum em sistemas de sonorização profissional), o ...
Bortoni, Constâncio
core  

Design of a haptic device for presenting pressure and skin stretching stimuli to the palm

Frontiers in Mechanical Engineering
This paper discusses the design of a two-degree-of-freedom (2-DOF) pseudo-force presentation device for a palm. The device was designed to present pressure stimulation to a palm to invoke a pseudo-force sensation.
Mayuka Kojima, Shunsuke Yoshimoto, Akio Yamamoto   +2 more
doaj   +1 more source