The Geometric Optimization of the Infinitely Variable Transmission

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Mohammad Hossien Fallah, Mostafa | 2010

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Type of Document: M.Sc. Thesis
Language: Farsi
Document No: 41361 (08)
University: Sharif University of Technology
Department: Mechanical Engineering
Advisor(s): Zohoor, Hassan
Abstract:
One of the most important parts of vehicles and most of mechanical machines is power transmission system, especially the Gearbox used in them.In order to optimize the use of energy, especially fossil fuel, researchers are looking for new mechanisms to refine the operation of vehicles and other machines.One of the mechanisms which absorbed researcher’s attention during recent years is the Continuously Variable Transmission. By using these gearboxes which are replaced with older samples, we can have the continuous range of aspect ratio between two constant values. This important property causes the decrease of the use of fuel.In recent decades many manufacturers have used different kinds of CVTs in their products.The objective of this project is the geometric optimization of a kind of CVTs which is named the Infinitely Variable Transmission by using the Genetic Algorithm in the specific range of operational condition.By applying the offered geometry we can minimize the loss of Torque and Weight of gearbox simultaneously
Keywords:
Gearbox ; Genetic Algorithm ; Multidisciplinary Optimization ; Infinitely Variable Transmission (IVT)