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There are a lot of uncertain factors in the gearbox transmission system. In this paper, combining the optimization design theory and the robust mathematical model of a transmission system based on maximal variation analysis was established. In the model, we take volume of the gearbox as objective function and bending fatigue strength and contact fatigue strength as main constraints. Compared with...
Two types of uncertainty may exist in engineering. In this paper, a unified uncertainty (UUA) analysis method is proposed to handle the two types' uncertainties. The presented method involves three main steps: (1) sampling on both random variables and interval variables, (2) approximating the maximum entropy density function by using the first four moments, (3) determining the lower and upper bounds...
There are a lot of uncertain factors in the gearbox transmission system of wind turbine. In this paper the controllable factors and uncontrollable factors in gearbox transmission system were analyzed; combining the optimization design theory and robust design theory the robust mathematical model of transmission system was established. In the model we take volume of gearbox as objective function and...
The relationships between quality characteristics and uncertain factors are unknown or complicated in most practical engineering optimal problems. To solve this problem a robust optimal model based on hybrid response face was proposed. The relationships between quality characteristics and uncertain factors were investigated; the hybrid response surface optimization strategy was set up to balance the...
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