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What Are the Differences Between Servo & Stepper Motors?

April 26, 2017differences motors servo stepper

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What Are the Differences Between Servo & Stepper Motors?

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Radio-controlled model of the red car close-up image by terex from Fotolia.com jQuery(document).ready(function(){ jQuery(‘#jsArticleStep1 span.image a:first’).attr(‘href’,’http://i.ehow.com/images/a05/rv/r4/differences-between-servo-stepper-motors_-1.1-800X800.jpg’); }); Radio controlled cars are one example of servo-powered devices. Servo and stepper motors are both designed to rotate a rotor to produce movement, which can then be used to operate machinery and electronics. While both types of motors operate under similar simple principals of motion and propulsion, their means of movement and capabilities differ considerably due to inherent differences. Propulsion A servo motor operates simply by turning under DC power. Reversing the polarity of the power source makes the servo rotate in opposite directions. Stepper motors turn by interacting with permanent magnets. A series of coils within the motor attract one of two magnets. As each of the coils turns on or off, it attracts a magnet