GAIN-SCHEDULED FEEDBACK DOCUMENT HANDLING CONTROL SYSTEM

GAIN-SCHEDULED FEEDBACK DOCUMENT HANDLING CONTROL SYSTEM

PROBLEM TO BE SOLVED: To provide a system and a method for improving alignment of misaligned paper. SOLUTION: The method and system for carrying out paper alignment receives paper by a device having a plurality of drive rolls each operated with an associated angular velocity, identifies a state vect...

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1. Verfasser: ELLIOT JACK GAYNOR
Format: Patent
Sprache:eng
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CONVEYING
HANDLING THIN OR FILAMENTARY MATERIAL
HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES
PACKING
PERFORMING OPERATIONS
STORING
TRANSPORTING
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creator ELLIOT JACK GAYNOR
description PROBLEM TO BE SOLVED: To provide a system and a method for improving alignment of misaligned paper. SOLUTION: The method and system for carrying out paper alignment receives paper by a device having a plurality of drive rolls each operated with an associated angular velocity, identifies a state vector including a plurality of state variables, determines an error space state feedback value based on the difference between each state variable and a corresponding reference state variable based on a desired paper locus, determines a control input variable value based on the error space feedback value and one or more gains, and determines a motor control signal for a motor for each drive roll based on the control input variable value and the state variable. Each motor control signal imparts a desired angular velocity for at least one drive roll, and an identification process and each determining process can be repeatedly carried out to align the paper to a desired locus. COPYRIGHT: (C)2008,JPO&INPIT
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subjects CONVEYING
HANDLING THIN OR FILAMENTARY MATERIAL
HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES
PACKING
PERFORMING OPERATIONS
STORING
TRANSPORTING
title GAIN-SCHEDULED FEEDBACK DOCUMENT HANDLING CONTROL SYSTEM
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