Basic architecture
The basic architectural components of a motion control system include:
Motion controller: used to generate track points (expected output) and closed position feedback loops. Many controllers can also close a speed loop internally.
The motion controllers are mainly divided into three categories, namely PC-Based, dedicated controller, and PLC. Among them, PC-Based motion controller is widely used in electronics, EMS and other industries; the representative industry of dedicated controllers is wind power, photovoltaic, robot, molding machinery, etc.; PLC is favored in rubber, automobile, metallurgy and other industries.
Drive or amplifier: A control signal (usually a speed or torque signal) from a motion controller that is converted to a higher power current or voltage signal. A more advanced intelligent drive can close the position loop and speed loop by itself for more precise control.
Actuator: such as a hydraulic pump, cylinder, linear actuator or motor for output motion.
Feedback sensors: such as photoelectric encoders, resolvers or Hall effect devices, to feedback the position of the actuator to the position controller to achieve closure of the position control loop.
Numerous mechanical components are used to convert the motion form of the actuator into the desired form of motion, including gearboxes, shafts, ball screws, toothed belts, couplings, and linear and rotary bearings.
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