Control method including feedforward signal

Registers – Transfer mechanism – Traveling pawl

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526 59, 526 61, G05D 0706

Patent

active

040063461

ABSTRACT:
A control method wherein the control signal is generated from a disturbance signal, the functional relationship between these signals being an equation based on two dead times and a first order lag and a first order lead, the ratio of the time constants of this equation being equal to the fourth power of the ratio of the time constants of the disturbance dynamics and of the control dynamics of the process to be controlled.

REFERENCES:
patent: 3552428 (1971-01-01), Pemberton
"Feedforward Control" in Techniques of Process Control, by Buckley, published by John Wiley & Sons, Inc., 1964, pp. 70-73.

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