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In electronics and electrical engineering, a ramp generator is a function generator that increases its output voltage up to a specific value, called a ramp. Among multitude of other uses, it is used in electrical generators or electric motors to avoid jolts when changing a load. Some ramp generators present also the possibility to change the start-up and return flow time.
Implementation
Originally, ramp generators were implemented as analog hardware devices. Today, this functionality is part of the software of a digital device.
References
Ramp generator Wikipedia(Text) CC BY-SA