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What is fuzzy logic in washing machines?

Updated April 17, 2017

Fuzzy logic is a type of processing meant to mimic human decision-making through a series of mathematical parameters. A fuzzy logic washing machine uses sensors to determine the needs of each load of laundry and adjusts the controls as necessary.

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Function

Machines that use fuzzy logic make decisions its operator might make, but make them much more quickly. In a washing machine, fuzzy logic might determine the length of a cycle or the amount of water used by evaluating the load of laundry with sensors.

Process

Fuzzy logic uses an "if-then" form of processing. For example, if the load of laundry weighs a certain amount, then the water fills to a certain point. If the sensors detect greasy stains, then the water heats to a certain degree. This ability to make judgment calls allows for a more fully automated washing machine.

Effects

Fuzzy logic goes beyond washing machines. It is the technology behind autofocus camera lenses, automatic moisture detection in clothes dryers, sensor cooking in microwaves and many other applications. Fuzzy logic allows machines to take on more of the decisions traditionally made by their owners.

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About the Author

Denise Howard has been writing since 2004, specializing in home and garden, travel, music and education. A private music instructor and professional accompanist, Howard holds a Bachelor of Arts in music, studying both piano and voice.

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