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operations area, he/she tackles problems as they occur Mechanical or electronic devices may also be used to monitor operations and alert operators if the system is malfunctioning.
(c) Feedback Control This is the common type of control in traditional control systems. But it is the most expensive. It takes place only after the system has actually malfunctioned or the expected target is missed. It relies on comparing actual output to planned output. Once there is a deviation between
the planned output and actual, positive or negative, the deviation is analysed for causes and action taken to correct the deviation.
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