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IJFTR Vol.33 [2008] >
IJFTR Vol.33(2) [June 2008] >

Title: A comparative study between yarn diameter and yarn mass variation measurement systems using capacitive and optical sensors
Authors: Carvalho, Vítor
Soares, Filomena O
Belsley, Michael
Keywords: Capacitive sensors
Optical sensors
Optical signal processing
Yarn diameter
Yarn mass
Issue Date: Jun-2008
Publisher: CSIR
IPC CodeInt. Cl.⁸ : D02G3/00
Abstract: This paper reports a comparative study between yarn mass and yarn diameter measurement systems using a differential capacitance tester and an optical coherent signal processing diameter tester respectively. A full description of the systems is presented along with their new contributions, namely 1mm length samples analysis for a capacitive tester and optical signal processing to eliminate the influence of hairiness while measuring the diameter. It is proven statistically that the yarn mass measurement systems based on capacitive testers give similar results to that of optical diameter measurement system when identical yarn samples are used. A detailed test report of a cotton yarn with a linear mass of 295 g/km is presented.
Page(s): 119-125
ISSN: 0971-0426
Source:IJFTR Vol.33(2) [June 2008]

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