A ferrofluid based artificial tactile sensor with magnetic field controlстатья
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Дата последнего поиска статьи во внешних источниках: 21 декабря 2017 г.
Аннотация:The paper deals with a tactile sensor inspired by biological hairs of mammals. The working principle is based on the effect of the magnetic force exerted on a paramagnetic body submerged into a ferrofluid volume under the influence of a nonuniform magnetic field. The deflection of the sensor’s rod caused by external mechanical stimuli may be unambiguously identified by the distortion of the magnetic field, which occurs due to the motion of the attached body in the ferrofluid. The magnetic force acting onthebodyisevaluatedexperimentallyandtheoreticallyforthenonuniformmagneticfieldofapermanentmagnet. The controlled oscillations of the rod are realised by applying a nonuniform magnetic field of periodically altering direction.