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Magnetorheological rotary brake: analysis, design considerations and experimental evaluation

100%

Sapiński B. , Bydoń S.

tom Vol. 54, iss. 3

233-247

The paper is concerned with analysis, design considerations, construction and experimental testing of a magnetorheological rotary brake (MR brake). Operation principle and basic relationships for the brake are discussed. Magnetic field distribution in the brake is numerically studied using the finite element method (FEM). Structure and materials used in the main components of the brake are described. The brake performance is evaluated via measurement of torque responses.

Review of magnetorheological fluids application in mechanical systems

84%

Klein W. , Otorowski M.

2005

tom z. 28

75-82

Magnetorheological fluids (MR fluids) are suspensions of micron-sized, magnetically-polarizable particles in oil or other liquid. The essential characteristic of these fluids is their ability to reversibly change from a free-flowing, linear, viscous liquid to a semi-solid with controllable yield strength in milliseconds when exposed to a magnetic field. This paper will review the basic principles of MR fluids and the ways in which they are engineered into mechanical devices and systems. A variety of specific application examples, including MR dampers, MR brakes and MR clutch will be described.