For example we have a controller for elevator If you are on the 3rd floor and calls a lift after getting in and pressing the button of ground floor and at the same time in 4th floor someone press the call button what exactly elevator perform first on that time.? does it go up and pick them first or does it come down to the ground floor first. ![]() ![]() In previous we see controller controls different parameters but the parameters with a certain logic. Now why it is called as a logical controller. So controller controls different parameters which are ultimately affecting the system performance. If the speed is increased and we want to stop the vehicle what will we do, we remove the feet from the accelerator or press the breaks ultimately we add or remove something in the system. For example, if weĪre controlling the vehicle either we control it by steering or by breaks or something else. What is the meaning of controller.? What is the importance of controller? When we say that the system is controlled the exact meaning of this is that we controlled the different parameters of a system.
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