Optimization of a New-developed Needle Drive Mechanism in Sewing Machines using the Genetic Algorithm

Abstract

The problem of designing sewing machines is known as a difficult task due to the existence of complex mechanisms and various solutions. The stitch quality in these machines is certainly most influenced by the effect of parameters of the needle drive mechanism. The needle heat generated during sewing process as well as the needle contact force are directly related to needle velocity in penetration zone which in turn depends on the needle driver mechanism of sewing machine. Unfortunately, despite the importance of this issue from practical point, very little publications have focused especially on the optimization of needle lever mechanism. Therefore, we first introduce a new needle derive mechanism for which an optimization procedure based on the genetic algorithm is followed to achieve minimum needle velocity during penetration. In addition, further modification of the objective function with respect to the variation of needle acceleration is applied to assure smooth movement of the needle during sewing process.

Keywords

References

 
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Journal of Modeling in Engineering
Volume 14, Issue 46
September 2016
Pages 11-23

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History

  • Receive Date: 01 September 2013
  • Accept Date: 27 October 2014

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