“Radio” systems use electromagnetic fields to communicate…
I remember first learning about the world-wide Internet, and wondering…
It is often useful to express the amplitude of an alternating quantity…
Take for instance the problem of measuring fluid flow through a pipe.…
The reason why a pneumatic control valve’s stem position…
In the United States, the most common language used to program PLCs is…
A variety of problem-solving techniques have been presented for…
A machine in the broad sense of the word is any device designed to…
A level switch is one detecting the level of liquid or solid (granules…
Filled-bulb systems exploit the principle of fluid expansion to…
A form of protection against faults on long-distance power lines is…
There is much to be said for neatness of assembly in electrical signal…
A very common form of on/off valve used for pneumatic and hydraulic…
In reliability engineering, it is important to be able to quantity the…
As we have seen, feedforward control is a way to improve the stability…
Atom: the smallest unit of matter that may be isolated by chemical…
An electric motor is often used as a discrete control element in a…
Certain types of nuclear radiation easily penetrates the walls of…
Given the ability of pressurized fluids to transmit force over long…
Electrical Resistance Resistance (\(R\)) is the dissipative opposition…
So far we have just looked at instruments that sense, control, and…
