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Why do robots need a power supply to operate?
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At the top of the machine is a stack of punched cards that would be fed into the loom to control the weaving pattern. This method of automatically issuing machine instructions was employed by computers well into the 20th century.
Robots require a power supply because it provides the essential energy needed for their operation. This energy is fundamental to the robot's functionality, as it is converted by actuators—which act as the robot's "muscles"—into physical motion.12
Without a power source, such as a battery or another electrical source, a robot would be unable to power its control system, process sensor data, or perform the tasks for which it was designed.12