Optimization of transmission angle for slider-crank mechanism with joint clearances |
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Authors: | Selçuk Erkaya İbrahim Uzmay |
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Affiliation: | (1) Department of Mechanical Engineering, Erciyes University, 38039 Kayseri, Turkey |
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Abstract: | In this study, kinematic analysis of a planar slider-crank mechanism having revolute joints with clearances was presented.
Joint clearance was modelled as a massless virtual link, and Multi-Layered Neural Network (MLNN) structure was used for approximating
the motion of this link with respect to the position of input link. Training and testing data sets for the neural network
were obtained from mechanism simulation using the ADAMS software. A genetic algorithm was also used to optimize the design
parameters for minimizing the deviations due to clearances. When two joint clearances at crank-pin and piston-pin centers
were considered, the effects of these clearances on the kinematic characteristics and transmission quality of the mechanism
were investigated using continuous contact model between the journal and bearing at a joint. |
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Keywords: | Kinematic analysis Joint clearance Kinematic efficiency Neural Network Genetic Algorithm |
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