Automatic control

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“Automatic control isn't everywhere. I wish I had automatic control in my pants. Damn, not again!”

~ Einstein on how to find a bathroom in time

Automatic control is one of the three or more (or less) research areas in physics. By abusing mathematics, the concept is to study a system which we feed with a signal, such as food. A common problem is to figure the in signal out and then back again. A system is defined as a drawn quadratic box filled with imagination and mystery.

[edit] The automatic control problem

Applied use of automatic control should be able to convert chakra's energy to ordinary electricity or cake, whichever is easiest. But not both at once, that would be silly.

When we discuss the subject automatic control, we can't do it without mentioning cake. Automatic control is simply the scientific method developed to the end of both eating and keeping the cake at the same time. The system is also affected by external noise, such as magic and politics. A common problem in the field is to invent new magic while avoiding voting for Hillary Clinton.

[edit] Mathematical description

Let y be the insignal, i.e. the food, such as a Big Mac or candy. We then feed the system with y and get u, the result. Taking the differential of u and x we then get the effect of the food on the system. When the system is full, x and u will tell y through a regulator box that the system is full and requires less food. This is called a foodback loop. Depending on the system in question, the Laplace transform represents a series of bunnies (or occasionally butterflies, but that is beyond the scope of this article). The solution to the system can then be chosen arbitrarily, ensuring the food level of the output. If not chosen, the system will oscillate outside the paper and ruin grades and exams.