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Development of a Multifunctional Intelligent Elbow Brace (MIEB) Using a Knitted Textile Strain Sensor

Salam Abdul, Phan Duy-Nam, Khan Saif Ullah, Ul Hassan Syed Zameer, Hassan Tufail, Muhammad Raja, Ullah Khan Waseem, Pasha Khalid, Khan Muhammad Qamar, Kim Ick Soo

Fibres & Textiles in Eastern Europe

2022

Vol. 30, no. 1 (151)

22--30

Passive smart textiles are the textile structures that can sense stimuli, which may come from mechanical, thermal, electrical, or chemical sources. Textile strain sensors are smart textiles products in which the sensor’s resistance changes with applied strain. This study consists in the development of a textile strain sensor and its application on a Multifunctional Intelligent Elbow Brace (MIEB). The hand-knitted sensor was developed using knitting needles. The material used for this sensor was conductive yarn and lycra. The sensor developed was subjected to a stretch recovery test using a universal testing machine,, and the electrical resistance was measured using an electrical multimeter. The sensor developed has good sensing ability against cyclic loading and unloading at a 5%, 20%, 35% strain level. After testing, the sensor was stitched on an elbow brace to develop an MIEB. This study involved the best economical method for measuring the bowling angle of the player using this MIEB without any need for a biomechanical test, which is very expensive. This MIEB can also be used for rehabilitation purposes and for monitoring joint movement.

Influence of Moisture Management Properties on Socks Made from Recycled Polyester, Virgin Cotton and its Blends

Dhanapal Vasanth Kumar, Dhanakodi Raja

Fibres & Textiles in Eastern Europe

2020

Vol. 28, no. 4 (142)

76--81

The moisture management properties of socks made from recycled polyester, virgin cotton and its blends were studied and compared. As an outcome of this research, the OMMC (Overall Moisture Management Capacity) of socks produced from recycled polyester fabrics gave higher values than those of virgin cotton fabrics. This result demonstrates that recycled poliester fabrics have good moisture management properties and faster water transport capacity compared to other fabrics. The lowest OMMC values were observed for virgin cotton fabrics.

Zbadano i porównano transport wilgoci w skarpetach wykonanych z przetworzonego poliestru, bawełny i ich mieszanek. Stwierdzono, że OMMC (ogólna zdolność zarządzania wilgocią) dla skarpet wyprodukowanych z poliestru miała wyższe wartości, niż w przypadku bawełnianych. Ten wynik pokazał, że wyroby z poliestru z recyklingu miały lepsze właściwości odprowadzania wilgoci i szybszą zdolność transportu wody w porównaniu do pozostałych. Najniższe wartości OMMC zaobserwowano dla skarpet bawełnianych.