Adaptive controller in a process control system and a method the

Details Adaptive controller in a process control system and a method the Adaptive controller in a process control system and a method the

1990-10-24

1992-12-08

Smith, Jerry

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364157, G05B 1302

Patent

active

051703416

ABSTRACT:
An apparatus of a process control system for controlling a process variable of a process includes an adaptive controller tuned to the process. The process variable output signal of the process is coupled to a difference device and also coupled to the adaptive controller, thereby permitting the adaptive controller to monitor the process variable signal independently of an error signal outputted from the difference device. Any changes detected in the process variable signal without a corresponding change in the setpoint signal inputted to the difference device initiates an adjustment in the tuning parameters of the adaptive controller thereby providing continual, optimal, control of the process.

REFERENCES:
patent: 4754391 (1988-06-01), Suzuki
patent: 4903192 (1990-02-01), Saito et al.
patent: 4983898 (1991-01-01), Kanda

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