Design and analysis of magneto rheological fluid brake for an all terrain vehicle

International Conference on Advances in Materials and Manufacturing Applications 2017

George, Luckachan K.^1 ; Tamilarasan, N.^1 ; Thirumalini, S.^1

Department of Mechanical Engineering, Amrita School of Engineering, Amrita Vishwa Vidyapeetham, Amrita University, Coimbatore, India^1

关键词: All terrain vehicle(ATV);    All terrain vehicles;    Chainlike structure;    COMSOL;    Design and analysis;    Electromagnetic analysis;    Magneto-rheological fluid;    Magnetorheological brakes;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/310/1/012127/pdf
DOI  :  10.1088/1757-899X/310/1/012127

来源: IOP

【 摘 要 】

This work presents an optimised design for a magneto rheological fluid brake for all terrain vehicles. The actuator consists of a disk which is immersed in the magneto rheological fluid surrounded by an electromagnet. The braking torque is controlled by varying the DC current applied to the electromagnet. In the presence of a magnetic field, the magneto rheological fluid particle aligns in a chain like structure, thus increasing the viscosity. The shear stress generated causes friction in the surfaces of the rotating disk. Electromagnetic analysis of the proposed system is carried out using finite element based COMSOL multi-physics software and the amount of magnetic field generated is calculated with the help of COMSOL. The geometry is optimised and performance of the system in terms of braking torque is carried out. Proposed design reveals better performance in terms of braking torque from the existing literature.