Results 91 to 100 of about 161 (124)
A Trial Production of a Loom Using Multi-Rapier Weft Insertion System
Saito, Katsuo +2 more
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Research on vibration acquisition and analysis system of rapier Loom spindle
Journal of Intelligent and Fuzzy Systems, 2021The abnormal vibration of the loom spindle will seriously affect the quality of the textile. Based on the inherent embedded control system of the rapier loom, this paper develops an embedded system that monitors and analyzes the vibration signal of the spindle to determine the cause of the spindle failure.
Yunfeng Jiang +2 more
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A New Type of AODF Based on an Imitation of the Weft Insertion of a Rapier Loom [PDF]
The main distribution frame (MDF) is an important component between the user and the operator that supplies a telecommunication service and is the only layer in the seven-layer communication architecture that is not fully automated. In this paper, a cross-connect method for simulating the rapier picking of a rapier loom (shuttleless loom) is proposed ...
Zheng Yang, Yuan Song
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Study on Information Management System of Rapier Loom
2009 Second International Symposium on Computational Intelligence and Design, 2009In order to guarantee the quality of textile fabric and to improve the efficiency of loom, single-chip microcomputer MC68336, sensors and display are utilized to form a comprehensive information management system (IMS) of rapier loom. In this system, the main operating parameters of the loom such as tension of warp and weft yarns and weft density, etc.
Mei Shunqi
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Dynamics of the picking mechanism of a rapier loom
Mechanism and Machine Theory, 1992Abstract This paper deals with the mathematical modelling of the picking mechanism of a rapier loom. The dynamic model approximately respects mass, flexibility and kinematic excitation of the mechanism. It consists of two subsystems. The first subsystems is a discrete one, the second subsystem is a continuous one.
Zdeněk Koloc, Miroslav Václavík
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Common Mechanical Problems Diagnosis and Elimination of the Rapier Loom
Advanced Materials Research, 2014For rapier loom,in five big institutions and main auxiliary institutions,weft insertion mechanism and let-off mechanism in all kinds of mechanical problems frequency are higher,this paper focuses on GTM-AS type rapier loom as an example to introduce the mechanical problems diagnosis and elimination methods.
exaly +2 more sources
Optimal analysis and application of the warp tension control system for a rapier loom
Textile Research Journal, 2021Traditional proportional–integral–derivative (PID) control performance optimization is an essential method to improve a loom’s warp tension control performance. This work proposes an improved genetic algorithm optimized PID control scheme to overcome the decline in control performance of the traditional PID control algorithm in a loom’s warp tension ...
Yanjun Xiao +6 more
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Research on Electric Weft Insertion Method for the Rapier Loom
Applied Mechanics and Materials, 2012This paper, on analyses of the shortages of the traditional rapier loom weft insertion system such as unalterable motion rules and high machining accuracy requirements, introduces a new electric weft insertion method to the modern high-speed rapier loom, which converts single-direction rotation of a motor to linear reciprocation of a rapier with help ...
Yong He +3 more
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A numerical model of the weft yarn filling insertion process in rapier looms
2006 American Control Conference, 2006This paper presents a mathematical model of the weft yarn filling insertion process in rapier looms. A finite length segment of yarn is spatially discretized. Each element can interact only with the nearest neighbors by a viscoelastic interaction. The elastic and damping constants have been estimated by using experimental data obtained with different ...
F. Previdi +2 more
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Electronic drive control in a rapier loom
SPIE Proceedings, 2005Electronic and computer techniques, together with individual servomechanisms, were used successfully in this study to develop the electronic weft selection, electronic let-off and electronic take-up motion systems of the rapier loom. The control system configuration, operating principle, and mathematical models of electronic drives system were analyzed.
Weimin Shi +3 more
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