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Consideration of uncertainties in the preliminary design case of an electromagnetic spindle

Trabelsi Hassen, Guizani Amir, Tounsi Dhouha, Hammadi Moncef, Barkallah Maher, Haddar Mohamed

Journal of Theoretical and Applied Mechanics

2019

Vol. 57 nr 4

821--832

Modeling and evaluation of uncertainties constitute indeed one of the key points when making any decision. For this, designers have to compare the measured or calculated value with a range of permissible values in order to obtain a guaranteed design process. Thus, in this work, simulation of the dynamic behavior of an electromagnetic spindle was done based on the interval computation technique. Indeed, the use of this technique makes it possible to obtain a set of values for different design parameters of the spindle and, consequently, to avoid making several simulations which could make the system useless, expensive or ineffective. The proposed model is based on the combination of Matlab with ModelCenter. Matlab was used to model and simulate the system and ModelCenter to perform parametric studies to verify the influences of uncertainty on the dynamic behavior of the electromagnetic spindle and to determine the optimal design parameters.