Friday, May 14, 2010

May u give me an example of a controlled variable, sensor, controlled center & effector in everyday situations?

the real world is not a controlled environment like a lab





the only thing I can think of are traffic signs and etcMay u give me an example of a controlled variable, sensor, controlled center %26amp; effector in everyday situations?
uhhhhh Pi???May u give me an example of a controlled variable, sensor, controlled center %26amp; effector in everyday situations?
A controlled variable is a factor which could be changed but is kept the same in order to measure two other factors.


An everyday e.g.: Keeping the length of time that one runs for in order to measure the amount of weight lost over a period of weeks.


A sensor is a device which monitors a 'felt' factor.


An everyday e.g.: An industrial Air Con in a greenhouse, they take the temperature every couple of minutes, if its too hot, the air con is turned on, if too cold, its turned off.


A controlled center is a point from which all variables are controlled.


An everyday e.g.: In a hyroponicum, the computers control water temperatures, nutrient and element levels in the plants etc.


And thus the effector is a variable which affects these variables.


An everyday e.g.: A bug or insect which eats or infects the plants, limiting growth.





Hope this helps.
I may, we'll see.
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