Briefly reviews co‐ordinate‐based navigation, behaviour‐based navigation, navigation with a conic mirror and navigation with a spherical mirror. Proposes to include fuzzy languages and fuzzy instructions to perform robot navigation. Gives illustrative examples. One main characteristic of this approach is to trade precision with speed. This approach may also be applied to object motion tracking and fault‐tolerant task scheduling.
Air conditioners: it allows electric coolers and heaters to change temperature, based on the number of people who are in the room, or the power requirement of a house.
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