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Rotating Magnet

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Brush DC Motor Drivers

Brush DC Motor Drivers - Brush DC motors are the most widely used drivers due to their low cost and simple drive control options. Typical brush DC motors consist of a rotating electromagnet surrounded by a permanent magnet. Rotational torque is produced by the interaction of the magnetic fields and continuous rotation is produced by [...]

Bipolar Stepper Motor Drivers

Stepper motor drivers are brushless DC motor drivers that can be used for both positioning and velocity control applications without the need for external position feedback. Typical stepper motors consist of a rotating permanent magnet (rotor) surrounded by electromagnets (stator). When the electromagnets are supplied current in the correct polarity and sequence a torque is [...]

Ring Magnet Speed Sensing for Electronic Power Steering

figure 1 Typical EPS System Proper control of Electric Power Steering (EPS) systems requires both speed and direction information from the steering input shaft. This control will typically come from both high-resolution speed information and fairly coarse position information.   A dual multi-pole ring magnet can be used with a matrix of Hall [...]

July 8th, 2016|HSMAG News, Rotating Magnet|
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