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To achieve less than 50 N soft-landing using magneto-rheological fluid (MRF) damper, a novel small-MRF damper has been developed. First, we design a new outer electromagnetic coil comparing with traditional inner coil structure, which can obtain miniature damper easily and control the magnetic field conveniently. Second, we apply silicon steel rather than(More)
The construction and design of a mixed magnetic bearing with 5 DOFs (degree-of-freedoms) is introduced in this paper. The bearing can be stabilized in all five DOFs by only one DOF feedback control in the axis direction, the other DOFs are controlled passively by permanent magnetic bearings. The carrying stiffness matrix of the bearing is calculated and its(More)
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