Patent · US Expired

Method and device for adjusting the PID characteristics of controller compensating networks, particularly in hydraulic pulsing machines

US4675805A · kind A · utility

7Cited by

6References

2Claims

0Family size

Assignee

Deutsche Forschungs- und Versuchsanstalt fur Luft- und Raumfahrt e.V. · DE

Inventor

Raymond Freymann · Birkenfeld, DE

Key dates

Filing date	Aug 21, 1984
Grant date	Jun 23, 1987
Priority date	—
Expiry date	Aug 21, 2004

Classification

Technology area (CPC G)Physics
CPC primaryG05B23/02
WIPO fieldControl
WIPO sectorInstruments

Abstract

PID characteristics of a closed-loop type controller compensation network for a hydraulic pulsing machine coupled with a test specimen are adjusted by determining the closed-loop stability locus of the network and adjusting PID characteristics until the stability locus is located at a desired position.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.