Mechanism Design Of Magnetorheological Based Antilock Braking System

Mohd Najib, Idris (2010) Mechanism Design Of Magnetorheological Based Antilock Braking System. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

The purpose of this report is to design and develop the new electromechanical brake system using Magnetorheological fluid (MR fluid). Magnetorheological brake (MR brake) consists of discs immersed in Magnetoreheological fluid (MR fluid) inside rotating housing or drum. The properties of MR fluid can be change from fluid to semi solid when exposed to magnetic field. The yield stress of the MR fluid varies as a function of the electromagnet. Hence, the braking torque can be precisely controlled by simply changing the current applied to the electromagnet. In order to generate maximum or desired torque for braking, the design is optimized using various parameters such as magnetic circuit design, weight constraints, dimensions, feasibility, ease of manufacture, durability and number of contact surface. Various concept designs are produced based on the given parameters. Each concept design is evaluate according to the parameters and concept scoring matrix is use to select the best design. The selected concept design is analyze using magnetic simulation software, ANSOFT MAXWELL. The result from the analysis is optimize to find the optimum design for the MR brake. Detail design of the optimum design is draw using 3D modeling software, CATIA V5R19. Analysis on the critical part of the MR brake is done using CATIA V5R19. The MR brake geometry and configuration when installing to the motorcycle drum brake is shown in the chapter 4 of this report.

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