Step motor life is usually determined by the life of the bearings. Bearings are often specified to give an “L10” life (outside the USA, it may be referred to as “B10” life.) This is the life at which ten percent of the bearings in that application can be expected to have failed due to classical fatigue […]
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• 2 Phase Motors A typical driving pattern for a two coil bipolar stepper motor would be: A+ B+ A- B-. I.e. drive coil A with positive current, then remove current from coil A; then drive coil B with positive current, then remove current from coil B; then drive coil A with negative current, then […]
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One of the biggest problems Engineers face while designing ever-smaller devices is making things move. As the size of equipment decreases, the demand for smaller motors increase. However, oftentimes small enough motors simply don’t exist, and if they do, they do not provide enough torque or speed to be useful in the application. Often, the […]
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Stepper motors have more advantages of simple structure, easy to control, high safety, low cost,...
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In specification of LED drivers or dimmers we usually see a keyword “Dimming curves”. That means how LED drivers set electrical parameter output in response to control signal input. Actually, the driver translates that signal to an electrical current that powers the LED. And then we can perceive the light brightness from the lamp. To […]
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