Zouhaier Affi

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This work deals with the multi-objective design optimization of a needle-bar-and-thread-take-up-lever (NBTTL) mechanism used in sewing machines. Two criteria are considered simultaneously, i.e., vibration (evaluated through the needle jerk) and the quality of the stitch formation given by the coupler tracking error. Indeed, the needle jerk and the coupler(More)
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