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This paper presents a novel inclinometer based on the second kind of ferrofluid levitation principle. Two rectangular magnets with the opposite poles are fixed at the ends of a non-magnetic retainer to generate a symmetric non-uniform magnetic field. A Hall element is fixed to the inner wall of the container located at the center of two magnets. When the device inclines, the movement of the ferrofluid...
This paper presents a novel inertial sensor with a movable nonmagnetic rod immersed in the ferrofluid, which can be used as a low band accelerometer. Movement of the nonmagnetic rod inside a container under the influence of external inertial forces will lead to the change of the ferrofluidic volume distribution. A couple of sensing coils detect the change and a corresponding signal occurs. The nonmagnetic...
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