Method and Device for Position Detection of a Moving Material Web

In a method and a device for position detection of a material web (2), the position of the material web (2) is determined on the basis of a marking (13) provided thereon. This marking (13) is detected by a first sensor (4), which emits a position signal (33) proportional to the position of the marki...

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Bibliographische Detailangaben
1. Verfasser:	Eisen, Juergen
Format:	Patent
Sprache:	eng
Schlagworte:	CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK PACKING PERFORMING OPERATIONS PHYSICS STORING TESTING TRANSPORTING
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Beschreibung
Zusammenfassung:	In a method and a device for position detection of a material web (2), the position of the material web (2) is determined on the basis of a marking (13) provided thereon. This marking (13) is detected by a first sensor (4), which emits a position signal (33) proportional to the position of the marking (13). The material web (2) is furthermore detected by a second sensor (5), which emits a signal proportional to the velocity of the material web (2) transversely to the movement direction (8). An output signal (7), which represents position-proportional values of the material web (2) even when the position signal (33) fails, is then calculated from the velocity signal (54) and the position signal (33).