Title:
METHOD AND DEVICE FOR PROCESS CONTROL
Document Type and Number:
Japanese Patent JPS5696302
Kind Code:
A
Abstract:
A method and apparatus for controlling production processes utilizing a three-state, four-mode process controller which operates on the basis of counteracting any process change by utilizing the difference between a feedback signal related to a current condition of the process and a desired value related to the desired condition of the process, and a signal related to the rate of change between said feedback signal and said desired value signal, to produce a correction signal which is utilized to operate said three-state, four-mode process controller in its three states depending on certain relationships between the value of the desired value and feedback signals, as well as the summation of those values.
Inventors:
RICHIYAADO ROORENSU SUMISU
KENTO BAN AREN
KENTO BAN AREN
Application Number:
JP14234080A
Publication Date:
August 04, 1981
Filing Date:
October 11, 1980
Export Citation:
Assignee:
SCANS ASSOCIATES INC
International Classes:
F02M19/01; G05B11/36; (IPC1-7): F02D9/08; F02M19/01; G05B11/42