PID FEEDBACK CONTROL SYSTEM

PROBLEM TO BE SOLVED: To provide a feedback control system which improves response and robust property, is easily adjusted, and is economical. SOLUTION: The system is a single loop PID feedback control system 1 with one-input and one-output, which includes a PID controller 10, comprising: a differen...

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Bibliographic Details
Main Author SHIROMARU ISAO
Format Patent
LanguageEnglish
Published 31.08.2006
Subjects
CONTROL OR REGULATING SYSTEMS IN GENERAL
CONTROLLING
FUNCTIONAL ELEMENTS OF SUCH SYSTEMS
MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS
PHYSICS
REGULATING
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Summary:PROBLEM TO BE SOLVED: To provide a feedback control system which improves response and robust property, is easily adjusted, and is economical. SOLUTION: The system is a single loop PID feedback control system 1 with one-input and one-output, which includes a PID controller 10, comprising: a differential detector 34 for detecting the differential value of controlled variable; an adder 40 for adding a value, which is obtained by correcting the differential value detected by the differential detector 34, to the controlled variable, so as to generate a feedback signal; a useless time detector 30 for detecting the useless time of an object to be controlled by on-line; a delay time detector 32 for detecting the delay time of the object to be controlled 16 by on-line; and an adjuster 36 for adjusting the value to correct the differential value and the gain of the PID controller, based on detection signals by the useless time detector 30 and the delay time detector 32. COPYRIGHT: (C)2006,JPO&NCIPI
Bibliography:Application Number: JP20050038371