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International Journal of Automotive Technology > Volume 12(6); 2011 > Article
International Journal of Automotive Technology 2011;12(6): 921-932.
OPTIMIZATION AND DESIGN OF DISK-TYPE MR BRAKES
B. ASSADSANGABI1, F. DANESHMAND2, N. VAHDATI3, M. EGHTESAD2, Y. BAZARGAN-LARI4
1University of British Columbia
2Shiraz University
3Petroleum Institute
4Islamic Azad University
ABSTRACT
In this paper, first a new design for a disk-type magneto-rheological (MR) brake for automotive applications is proposed and then, a finite element analysis is performed to analyze the resulting magnetic field intensity distribution within the MR brake configuration. This finite element model of the brake is then utilized in a optimization process which incorporates Genetic Algorithm (GA) to obtain optimal design parameters. The optimization process goal is to increase the braking torque capacity of the brake while keeping the weight of the brake as low as possible. Although, the braking torque of the present design is larger compared to the previous designs, the braking toque capacity of the present design is still smaller than the required braking torque for automobiles.
Key Words: Magnetorheological fluid, Automotive brake, Finite element analysis, Multidisciplinary design optimization, Genetic algorithm
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