We have probably heard of the benefits of a signal character in compensating for the gain nonlinearity of a control valve flow characteristic and the pH measurement. What we often don’t recognize is how the use of signal characterizers enables a more accurate loop dynamics identification and adaptation, restores a process time constant and reduces deadtime and limit cycle amplitude. Here we look at how these benefits arise and the “ins and outs” for a successful signal characterizer implementation.
Read Greg's complete post, Unexpected Benefits of Signal Characterizers, on his ControlGlobal.com Control Talk blog.