Authors: Abderazek, Hammoudi
Ferhat, Djeddou
Atanasovska, Ivana 
Boualem, Keskes
Title: A differential evolution algorithm for tooth profile optimization with respect to balancing specific sliding coefficients of involute cylindrical spur and helical gears
Journal: Advances in Mechanical Engineering
Volume: 7
Issue: 9
First page: 1
Last page: 11
Issue Date: 11-Sep-2015
Rank: M23
ISSN: 1687-8132
DOI: 10.1177/1687814015605008
Profile shift has an immense effect on the sliding, load capacity, and stability of involute cylindrical gears. Available standards such as ISO/DIS 6336 and BS 436 DIN/3990 currently give the recommendation for the selection of profile shift coefficients. It is, however, very approximate and usually given in the form of implicit graphs or charts. In this article, the optimal selection values of profile shift coefficients for cylindrical involute spur and helical gears are described, using a differential evolution algorithm. The optimization procedure is developed specifically for exact balancing specific sliding coefficients at extremes of contact path and account for gear design constraints. The obtained results are compared with those of standards and research of other authors. They demonstrate the effectiveness and robustness of the applied method. A substantial improvement in balancing specific sliding coefficients is found in this work.
Keywords: differential evolution algorithm | Gears | optimization | profile shift coefficients | specific sliding
Publisher: SAGE journals
Project: Dynamics of hybrid systems with complex structures. Mechanics of materials. 
Development of Methodology for Improvement of Operational Performance, Reliability and Energy Efficiency of Machine Systems used in the Resource Industry 

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