Simulation Evaluation Of Magnetorheological Brake Based On Anti-Lock Braking System

Muhammad Faiz, Abdul Salim (2010) Simulation Evaluation Of Magnetorheological Brake Based On Anti-Lock Braking System. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This project is to simulate the magnetorheological brake (MR brake) with braking system. MR brake is equipped with anti-lock braking system (ABS) to control the braking system of the motorcycle. The behavior of the MR fluid is that it will change from liquid to solid. When a current is applied to the electromagnet, the MR fluid solidifies as its yield stress various as a function of the magnetic field applied. This controllable yield stress produces shear friction on the rotating plate and disc break generating the brake torque. Under the influence of magnetic field, the iron particles form chains that highly increase the viscosity of the fluid. The MR brake is represented by the Bingham‟s plastic model where it is simple and good approximation of the MR brake itself. The equation of Bingham‟s, torque brake, ABS and motorcycle dynamic is inserted in MATLab simulink software. A PID type controller and if-then controller were used to control the current supplied and maintains the desired slip. The relationship between the torque-current of MR brake can be determined. The effectiveness of MR brake to be used with ABS is also discussed. The simulation of motorcycle with MR brake and ABS are also been determined. Model verification is shown and discussed.

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