쉐도잉 연습: Stepper Motors vs Servo Motors: A Quick Comparison - YouTube로 영어 말하기 배우기
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Difference between stepper motors and server motors.
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Difference between stepper motors and server motors.
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First, they are different in start speed.
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For stepper motors, it generally takes 200 to 400 milliseconds to start up, while server motors start several hundred times faster than that, taking only a few milliseconds.
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Second, they are different in accuracy.
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The accuracy of stepper motors depends on the number of phases and subdivision control of the stepper motor driver.
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Nowadays, the maximum microstep subdivision of a stepper motor driver can achieve up to 25,600 steps per revolution.
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However, the accuracy of a typical server motor is determined by the resolution of the encoder.
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With a 17-digit encoder, 131,072 pulses are required for the motor to complete a full rotation.
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As such, stepper motors rank supreme in terms of accuracy compared with their server counterparts.
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These two motors also differ in their control systems.
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Stable motors don't typically employ feedback systems, operating in an open-loop fashion.
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In contrast, server motors operate with closed-loop control, which allows direct sampling of the built-in encoder's feedback signal,
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making them more reliable than servo motors.
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Overload capacity is another distinguishing factor between these two motor technologies.
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Stable motors generally are not equipped to withstand overload so that they could lose steps at the presence of overload.
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Servo motors, on the other hand, can overcome certain overload, hence better for varied load applications.
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Cost is also an important aspect to consider when selecting the right motor motor.
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Stable motors are generally more affordable and straightforward to operate, making them a popular choice for many applications.
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In comparison, civil motors tend to be more expensive and require additional components for closed loop control.
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In summary, civil systems outperform stable motors in many aspects, though featuring more complex control.
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But if your project requires a motor solution that features simple operation, a smaller price tag, open loop control,
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minimal positional errors, as well as other less demanding conditions, stable motors will be an excellent choice.
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Visit ATL.com now and explore our wide range of stable motors and servo motors.
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