Feedback control
electronics
A control system which monitors its effect on the system it is controlling and modifies its output accordingly. For example, a thermostat has two inputs: the desired temperature and the current temperature (the latter is the feedback). The output of the thermostat changes so as to try to equalise the two inputs.
Computer disk drives use feedback control to position the read/write heads accurately on a recording track. Complex systems such as the human body contain many feedback systems that interact with each other; the homeostasis mechanisms that control body temperature and acidity are good examples.
(1996-01-02)
Read Also:
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noun 1. Also called nose bag. a bag for feeding horses, placed before the mouth and fastened around the head with straps. Idioms 2. put on the feed bag, Slang. to have a meal; eat: When his friends put on the feed bag, they finish everything in sight. /ˈfiːdˌbæɡ/ noun 1. any bag in which […]
- Feed-bag
noun 1. Also called nose bag. a bag for feeding horses, placed before the mouth and fastened around the head with straps. Idioms 2. put on the feed bag, Slang. to have a meal; eat: When his friends put on the feed bag, they finish everything in sight.
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