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Warp Break Detection in Jacquard Weaving Using Micro-Electro-Mechanical Systems: Effect of Yarn Type

North Carolina State University, Raleigh, North Carolina, USA, a_seyam{at}ncsu.edu

Jin Ho Lee

North Carolina State University, Raleigh, North Carolina, USA

George Hodge

North Carolina State University, Raleigh, North Carolina, USA

William Oxenham

North Carolina State University, Raleigh, North Carolina, USA

Eddie Grant

North Carolina State University, Raleigh, North Carolina, USA

This paper reports a study aimed at detecting warp breaks in terms of yarn type using a Micro-Electro-Mechanical Systems (MEMS) accelerometer based detection system, which has been described in earlier publications. The MEMS accelerometers were mounted on harness cords of a Jacquard tie. MEMS output acceleration signals were analyzed. The signals were acquired while warp ends were up and at the moment of intentional break with a pair of sharp scissors simulating missing warp ends. The results indicated that MEMS acceleration signals at intentional breaks for continuous filament from standard and high strength fibers could be detected. The break signals of cotton and cotton/polyester spun yarns were undetectable.

Key Words: Jacquard weaving • MEMS accelerometers • warp break detection • yarn type

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