公开(公告)号：DE69317386D1

公开(公告)日：1998-04-16

申请号：DE69317386

申请日：1993-12-06

Applicant: CORNING INC

Inventor： KOENIG DAVID MARK ,  MASCHMEYER RICHARD ORR ,  MAJESTIC PETER JOHN

IPC: C03B20/00 ,  C03B37/012 ,  C03B37/025 ,  C03B37/07 ,  G02B6/00 ,  G05B11/42 ,  C03B37/027 ,  C03B37/03 ,  C03B23/047 ,  G05D5/02

Abstract: A method and apparatus for drawing glass objects from glass feedstock, wherein a dimension of the glass object is measured on-line and controlled by a control structure which compensates for the deadtime between a change to the drawing speed and the measurement of the effect of that change to the measured dimension. The model which compensates for the deadtime is preferably nonlinear, and the control gains and model parameters are preferably continuously calculated during the drawing process. The invention is particularly applicable to drawing optical waveguide cane from optical waveguide preforms.

公开(公告)号：AU672055B2

公开(公告)日：1996-09-19

申请号：AU5263193

申请日：1993-12-22

Applicant: CORNING INC

Inventor： KOENIG DAVID MARK ,  MAJESTIC PETER JOHN ,  MASCHMEYER RICHARD ORR

IPC: C03B20/00 ,  C03B37/012 ,  C03B37/025 ,  C03B37/07 ,  G02B6/00 ,  G05B11/42 ,  G05D5/06 ,  C03B23/047

Abstract: A method and apparatus for drawing glass objects from glass feedstock, wherein a dimension of the glass object is measured on-line and controlled by a control structure which compensates for the deadtime between a change to the drawing speed and the measurement of the effect of that change to the measured dimension. The model which compensates for the deadtime is preferably nonlinear, and the control gains and model parameters are preferably continuously calculated during the drawing process. The invention is particularly applicable to drawing optical waveguide cane from optical waveguide preforms.

公开(公告)号：BR9305012A

公开(公告)日：1994-07-05

申请号：BR9305012

申请日：1993-12-10

Applicant: CORNING INC

Inventor： KOENIG DAVID MARK ,  MAJESTIC PETER JOHN ,  MASCHMEYER RICHARD ORR

IPC: C03B20/00 ,  C03B37/012 ,  C03B37/025 ,  C03B37/07 ,  G02B6/00 ,  G05B11/42

Abstract: A method and apparatus for drawing glass objects from glass feedstock, wherein a dimension of the glass object is measured on-line and controlled by a control structure which compensates for the deadtime between a change to the drawing speed and the measurement of the effect of that change to the measured dimension. The model which compensates for the deadtime is preferably nonlinear, and the control gains and model parameters are preferably continuously calculated during the drawing process. The invention is particularly applicable to drawing optical waveguide cane from optical waveguide preforms.

公开(公告)号：DE69317386T2

公开(公告)日：1998-10-15

申请号：DE69317386

申请日：1993-12-06

Applicant: CORNING INC

Inventor： KOENIG DAVID MARK ,  MASCHMEYER RICHARD ORR ,  MAJESTIC PETER JOHN

IPC: C03B20/00 ,  C03B37/012 ,  C03B37/025 ,  C03B37/07 ,  G02B6/00 ,  G05B11/42 ,  C03B37/027 ,  C03B37/03 ,  C03B23/047 ,  G05D5/02

Abstract: A method and apparatus for drawing glass objects from glass feedstock, wherein a dimension of the glass object is measured on-line and controlled by a control structure which compensates for the deadtime between a change to the drawing speed and the measurement of the effect of that change to the measured dimension. The model which compensates for the deadtime is preferably nonlinear, and the control gains and model parameters are preferably continuously calculated during the drawing process. The invention is particularly applicable to drawing optical waveguide cane from optical waveguide preforms.

公开(公告)号：AU5263193A

公开(公告)日：1994-07-14

申请号：AU5263193

申请日：1993-12-22

Applicant: CORNING INC

Inventor： KOENIG DAVID MARK ,  MAJESTIC PETER JOHN ,  MASCHMEYER RICHARD ORR

IPC: C03B20/00 ,  C03B37/012 ,  C03B37/025 ,  C03B37/07 ,  G02B6/00 ,  G05B11/42 ,  G05D5/06 ,  C03B23/047

Abstract: A method and apparatus for drawing glass objects from glass feedstock, wherein a dimension of the glass object is measured on-line and controlled by a control structure which compensates for the deadtime between a change to the drawing speed and the measurement of the effect of that change to the measured dimension. The model which compensates for the deadtime is preferably nonlinear, and the control gains and model parameters are preferably continuously calculated during the drawing process. The invention is particularly applicable to drawing optical waveguide cane from optical waveguide preforms.