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Give me a motor, any motor Motion control is the art and science of precisely controlling the position, velocity, and/or torque of a mechanical system. To accomplish this, motion control systems consist of a numerical controller (often based on a Digital Signal Processor I.C.), an amplifier, and a motor. Figure 1 shows these elements.  Give me a motor, any motor The recent interest in choice of motor has as much to do with the control system as a whole, as it has to do with the performance of the motor on its own. This is because different motors require different types of electronic controllers, thus affecting the cost and performance of the entire system. The three major motor types1 commonly used in positioning control systems are:
There are many other motor types in existence, including AC Induction, variable reluctance, and synchronous AC. However these motor types are not typically used for positioning applications. Since these motors are more typically used for velocity and or torque control we will leave a detailed discussion of them for another time. |
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