Stepper Motor Linear Translation Stages

Stepper motors are often used in open-loop control systems, a lower cost alternative to closed-loop DC servo systems. They operate using the basic principle of magnetic attraction and repulsion. Steppers convert digital pulses into mechanical shaft rotation. The amount of rotation is directly proportional to the number of input pulses generated, and speed is proportional to pulse frequency. Pulse count is a good indicator of position, and adding a shaft encoder can further improve performance.

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