Results 21 to 30 of about 1,582,483 (298)

Research and Embedded Implementation of Let-Off and Take-Up Dynamic Control Based on Fuzzy Neural Network and Vector Control Optimization

open access: yesIEEE Access, 2022
This paper investigates the warp let-off and take-up mechanism of rapier looms to solve the problem that the warp tension of rapier looms fluctuates greatly and the warp let-off is difficult to maintain constant. The design and hardware implementation of
Yanjun Xiao   +4 more
doaj   +1 more source

Constant Small Tension Control for Fiber Optic Coil Variable-Velocity Winding

open access: yesIEEE Access, 2019
Fiber Optic Gyroscope (FOG) is a new type of rotation sensor that plays an important role in navigation and guidance system. As the sense element of FOG, the fiber coil (FOC) performance directly affects the FOG measurement precision.
Shuangchao Ge, Ruifeng Yang, Chenxia Guo
doaj   +1 more source

Fluctuation-induced dynamics of multiphase liquid jets with ultra-low interfacial tension [PDF]

open access: yes, 2012
Control of fluid dynamics at the micrometer scale is essential to emulsion science and materials design, which is ubiquitous in everyday life and is frequently encountered in industrial applications.
Sauret, Alban   +2 more
core   +3 more sources

Distribution of the Strip Tensions with Slip Control in Strip Processing Lines

open access: yesEnergies, 2019
The control of tension in processing lines for metal strips tackles several problems. The process of achieving high tension driven by a multi-motor drive system, where the motors are mechanically coupled by a strip, is affected by the maximal torque of ...
Daniel Magura   +3 more
doaj   +1 more source

Tension Networked Control Strategy for Carbon Fiber Multilayer Diagonal Loom

open access: yesIEEE Access, 2020
With the aim of solving warp tension control problems in the let-off system and opening system in the carbon fiber multilayer diagonal loom, dynamic models of warp tension are established in this study based on dynamic analysis.
Wei Liu   +4 more
doaj   +1 more source

Chain tension control of scraper conveyor based on sliding mode control

open access: yesGong-kuang zidonghua, 2015
According to nonlinear, stochastic and time-varying characteristics of chain tension control of scraper conveyor in coal mine underground, a chain tension control system of scraper conveyor was proposed which was based on sliding mode control method to ...
GONG Shangfu, YANG Na
doaj   +1 more source

Modeling and sensorless tension control of SMA actuator using GRU

open access: yesNihon Kikai Gakkai ronbunshu, 2020
This paper proposes a method for sensorless tension control of shape memory alloy(SMA) actuators. Sensorless control has advantages in cost and size. Gated recurrent unit(GRU) was adopted to model complex characteristics of the SMA actuators.
Soki ITO, Hiroyuki HARADA
doaj   +1 more source

Polarized cortical tension drives zebrafish epiboly movements [PDF]

open access: yes, 2016
The principles underlying the biomechanics of morphogenesis are largely unknown. Epiboly is an essential embryonic event in which three tissues coordinate to direct the expansion of the blastoderm.
Amayra Hernández‐Vega   +13 more
core   +2 more sources

Control methodology for tensioned web considering thermal behavior in roll-to-roll manufacturing systems

open access: yesEngineering Science and Technology, an International Journal, 2023
The roll-to-roll manufacturing system is utilized for processing flexible webs into functional films, offering high productivity through continuous multi-stage processing. In the converting span, which encompasses coating, printing, and drying processes,
Hojin Jeon   +6 more
doaj   +1 more source

Research on transmission control method of tension tower hydraulic tension device based on PLC

open access: yesJournal of Applied Science and Engineering, 2023
Using the traditional method to control the transmission process of the tension tower hydraulic tightening device, there is a problem of slow speed step response in the range of device operating speed from 12km/h to 32km/h.
Jinghui Zhang   +3 more
doaj   +1 more source

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