A worker is about to enter a confined space. Prior to entry, he reaches down to his belt and pulls out his gas monitoring device. He points the device into the confined space and initiates a scan of ...
Self-regulating systems with feedback loops, i.e., the routing back of the output of a system to its input, have existed since antiquity and have since become an integral part of modern technology.
The ABCs of PID control. Considerations for interfacing elements in the electrical circuit to accomplish those parts of the PID function for position control. Firmware code implementation.