DESIGN AND IMPLEMENTATION OF A COMPUTERIZED TEMPERATURE CONTROL SYSTEM FOR A COLD ROOM. A RESEARCH PROJECT MATERIAL ON COMPUTER SCIENCE
ABSTRACT
The purpose of the study was to design and implement a computerized temperature control system for a cold room.
This work is also designed to monitor and detect any abnormality in the temperature value of any system thereby improving the efficiency and through put of that system.
This piece will go a long way to monitor and control the temperature of any system through incorporated interrupt device.
CHAPTER ONE
THE PROBLEM AND ITS SETTING
INTRODUCTION
Feed back control systems exist in nature to a considerable extent. This can be explained with a single human analogy. The simple action of a human being picking up a pencil typically involving two feed back paths which are firstly, visual feed back data enable the current positions of the fingers to be signaled to the optional system and hence to the brain.
Secondly, having located the pencil, feedback data are transmitted to the brain, via the nervous system to signaled the amount of pressure currently being applied by the finger tips to the pencil. The objective of the human brain is to establish the desired position for the fingers and the desire degrees of fingers pressure to compare these. Desire values with the actual values being transmitted back to the brain, and to use the results of these comparisons to compute an appropriate course of action which will then be implemented, by appropriate body muscles upon receipt of suitable signals from the brain.
Systems such as this which employ feed back data, are termed closed loop concerned with computer temperature control in which the functions alluded to, so far are implemented by hardware with the function of human operator reduced to the task of establishing desired values of goals.
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