Results 21 to 30 of about 8,054,915 (247)

Universal Voltage Conveyor and Current Conveyor in Fast Full-Wave Rectifier

open access: yesInternational Journal of Advances in Telecommunications, Electrotechnics, Signals and Systems, 2012
This paper deals about the design of a fast voltage-mode full-wave rectifier, where universal voltage conveyor and second-generation current conveyor are used as active elements.
Josef Burian   +2 more
doaj   +1 more source

Belt Tear Detection for Coal Mining Conveyors

open access: yesMicromachines, 2022
The belt conveyor is the most commonly used conveying equipment in the coal mining industry. As the core part of the conveyor, the belt is vulnerable to various failures, such as scratches, cracks, wear and tear.
Xiaoqiang Guo   +5 more
doaj   +1 more source

Power balance control method of multi-motor driving belt conveyor

open access: yesGong-kuang zidonghua, 2016
In view of problem of motor power unbalance in process of starting of multi-motor driving belt conveyor which uses hydro-viscous soft starting device, a power balance control method of multi-motor driving belt conveyor was proposed.
XUE Yanbo
doaj   +1 more source

Dynamic Behaviour of a Conveyor Belt Considering Non-Uniform Bulk Material Distribution for Speed Control

open access: yesApplied Sciences, 2020
For the conveyor belt, variable material flow influences the energy efficiency of the speed control technology significantly. The fluctuation of material flow on the conveyor belt will lead to the detrimental vibrations on both the belt and the conveyor ...
Fei Zeng, Cheng Yan, Qing Wu, Tao Wang
doaj   +1 more source

Speed regulation energy saving method of belt conveyor based on preview control

open access: yesGong-kuang zidonghua, 2018
Current speed regulation energy saving methods all regulate speed of belt conveyor in short time, and speed mutation is easy to cause tear and slipping of belt conveyor.
HAN Dongsheng   +4 more
doaj   +1 more source

Current-Mode Shadow Filter with Single-Input Multiple-Output Using Current-Controlled Current Conveyors with Controlled Current Gain

open access: yesSensors
In this paper, a novel current-mode shadow filter employing current-controlled current conveyors (CCCIIs) with controlled current gains is presented. The CCCII-based current-mode shadow filters are resistorless and can offer a number of advantages such ...
Montree Kumngern   +5 more
doaj   +1 more source

Research on three-point driving and control system of long distance belt conveyor

open access: yesGong-kuang zidonghua, 2019
In view of the problems that influence of viscoelasticity of conveyor belt on starting process is neglected in current research on driving and control of belt conveyor, and belt conveyor starting process cannot be simulated well, mechanical properties ...
GAO Rundong, XIONG Xiaoyan, GUO Hao
doaj   +1 more source

Current Conveyor Simulation Circuits Using Operational [PDF]

open access: yes, 2007
124-132In this paper one circuit simulating a second generation current conveyor (CCII) is reported. The circuit uses four operational amplifier and gives low tracking error.
Pal, K, Rana, S
core   +1 more source

Miniature Wide-Band Noise-Canceling CMOS LNA

open access: yesSensors, 2022
In this paper, a wide-band noise-canceling (NC) current conveyor (CC)-based CMOS low-noise amplifier (LNA) is presented. The circuit employs a CC-based approach to obtain wide-band input matching without the need for bulky inductances, allowing broadband
David Galante-Sempere   +3 more
doaj   +1 more source

Influence of the elastic modulus of a conveyor belt on the power allocation of multi-drive conveyors.

open access: yesPLoS ONE, 2020
The implementation of multiple drives for belt conveyors can solve the problems associated with motor overpower and the excessive tension of conveyor belts powered by a single drive.
Yanping Yao, Bisheng Zhang
doaj   +1 more source

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