Measurement and analysis of needle penetration forces in industrial high-speed sewing machine (2009)
Carvalho, Helder, Rocha, A. M., Monteiro, João L.
The industrial manufacturing of sewn products has always been one of the critical processes of the textile chain concerning quality assurance. Assuring the appropriate set-up and operation of all the...
Study and optimization of swimming performance in swimsuit designed with seamless technology (2009)
Montagna, Gianni, Catarino, André P., Carvalho, Helder, Rocha, A. M.
Hydrodynamic resistance, also called water drag, is one of the most discussed issues in swimming sport and recognized as a major factor in terms of swimming performance. Different authors tried to...
Parameter monitoring and control in industrial sewing machines : an integrated approach (2008)
Carvalho, Helder, Silva, Luís F., Monteiro, João L., Rocha, A. M.
The industrial manufacturing of sewn products has always been one of the critical processes of the textile chain concerning quality assurance. Assuring the appropriate set-up and operation of all the...
Integration and embedding of vital signs sensors and other devices into textiles (2007)
Carvalho, Helder, Catarino, André P., Rocha, A. M.
The development of ubiquitous vital sign monitoring has become a very up-to-date research theme for many academics and industrial companies in the last years. With new materials and integration...
Peluffo, J.R., Rocha, A.M., Moly De Peluffo, M.C.
Diversidad y morfometría de tardígrados de una ciudad mediana de la región Neotropical: Santa Rosa (La Pampa, Argentina).- Se estudió la diversidad de tardígrados en una ciudad mediana de la...
Catarino, André P., Rocha, A. M., Monteiro, João L., Oliveira, Filomena
This paper reports the recent developments in the pursuit to correctly locate, identify and distinguish faults during production of weft knitted fabrics. For this purpose a major textile parameter...
A First-order e-approximation algorithm for linear programs and a second-order implementation (2006)
This article presents an algorithm that finds an e-feasible solution relatively to some constraints of a linear program. The algorithm is a first-order feasible directions method with constant...
Chelini,M.O.M., Souza,N.L., Rocha,A.M., Felippe,E.C.G., Oliveira,C.A.
Alternative methods to the utilization of laboratory animal blood and its by-products are particularly attractive, especially regarding hamsters due to their small size and difficulties in obtaining...
Knitting process surveillance using time and frequency analysis (2005)
Catarino, André P., Rocha, A. M., Monteiro, João L., Oliveira, Filomena
This paper will present and discuss the two major techniques used when inspecting an important parameter of the weft knitting industry: yarn input tension. The two techniques are frequency and time...
Catarino, André P., Rocha, A. M., Monteiro, João L., Oliveira, Filomena
The Yarn Input Tension - YIT is one of the most important parameters in weft knitting industry. This parameter must be maintained between limits in order to produce knitted fabric without faults....
Carvalho, Helder, Rocha, A. M., Monteiro, João L., Silva, Luís
Comunicação apresentada na International Conference on Industrial Technology, Hammamet, Tunisia, 8 - 10 Dezembro 2004.
Catarino, André P., Rocha, A. M., Monteiro, João L., Oliveira, Filomena
From the production manager point of view, the knowledge of how well a knitting machine is working during production is very important. This information allows the manager to schedule all plans and...
A New system for monitoring and analysis of the knitting process (2004)
Catarino, André P., Rocha, A. M., Monteiro, João L., Oliveira, Filomena
Production monitoring is an important task for proper production planning. For this task the information that a system of this nature can possibly gather assumes significant importance. Among all the...
Techniques for unveiling faults during knitting production (2004)
Catarino, André P., Rocha, A. M., Monteiro, João L., Oliveira, Filomena
Detection of faults during production of knitted fabric is crucial for improved quality and productivity. The yarn input tension is an important parameter that can be used for this purpose. This...
Advancements in on-line monitoring and control of parameters in knitting and sewing processes (2004)
Carvalho, Helder, Catarino, André P., Carvalho, Miguel, Silva, Luís, Ferreira, Fernando, Rocha, A. M., ...
This paper presents a summary of the developments in process control in textile processes at the University of Minho, by a multidisciplinary research group involving three different departments...
Signal feature extraction for sewing analysis using non-linear tecniques (2003)
Carvalho, Helder, Ferreira, Pedro, Rocha, A. M., Monteiro, João L.
Comunicação apresentada no International Symposium on Industrial Electronics, Rio de Janeiro, Brasil, 9 - 11 Junho 2003.
Actuation, monitoring and control of fabrics feeding during high-speed sewing (2003)
Silva, Luís, Lima, Mário, Carvalho, Helder, Rocha, A. M., Ferreira, Fernando, Monteiro, João L., ...
For some years now the fabrics feeding system of an industrial overlock sewing machine has been studied at the University of Minho, gathering different background researchers at the Laboratory of...
Process control in next-generation sewing machines : a project overview (2003)
Carvalho, Helder, Rocha, A. M., Monteiro, João L.
The sewing machine created in the XIX century has roughly remained unchanged in its basic technologies. Although a great range of mechanical and electronic technologies has boosted its development...
Actuation, monitoring and closed-loop control of sewing machine presser foot (2003)
Silva, Luís, Lima, Mário, Carvalho, Helder, Rocha, A. M., Ferreira, Fernando, Monteiro, João L., ...
Sewing is one of the most important processes in the apparel industry for the production of high-quality garments. Although some research and improvements have been carried out in this area, the...
Planning, control and monitoring tools for industrial garment assembly processes (2003)
Carvalho, Helder, Rocha, A. M., Monteiro, João L., Silva, Luís
Garment construction is a complex process due to the properties of the textile materials. Furthermore it still relies on human operators in most of the material handling and process monitoring. On...