Transactions of the Institute of Systems, Control and Information Engineers
Online ISSN : 2185-811X
Print ISSN : 1342-5668
ISSN-L : 1342-5668
Two Degree of Freedom Servo Controller Incorporated with Reference and Disturbance Feedforward and an Application to a Steam Pressure and Flow Control System
Masashi NAKAMOTO
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2003 Volume 16 Issue 3 Pages 111-117

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Abstract

In this report a design method for a servo controller with a disturbance feedforward is presented. A conventional controller with feedforward often generates an excess output as a result of the addition of the integrator signal and the feedforward signal. The additional feedback can be inserted to canncel the integrator signal. The controller can be implemented by the same configuration as a two degrees-of-freedom LQI servo system. Experimental results show availability and practicablity to a real plant.

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