Machine and/or monitoring

US7444265B2 · kind B2 · utility

Assignee

• Metso Paper Inc. · FI

Inventors

• Tuija Havela · Sundsvall, SE
• Mikael Lundberg · Sundsvall, SE
• Anders Persson
• Krystof Kryniski · Mélea 1, TD

Key dates

• Filing date: Jun 7, 2004
• Grant date: Oct 28, 2008
• Expiry date: Jun 7, 2024

Classification

• Technology area (CPC G): Physics
• CPC primary: G01H1/003
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

In a method of monitoring the status of a machine and/or a process run on the machine a plurality of parameters (v) containing information about the status of the machine and/or the process is measured and stored. From a database (24) a corresponding plurality of stored reference values for the parameters are extracted according to a predetermined criteria, and the plurality of measured parameters are compared with the plurality of corresponding reference values for determining the status of the machine and/or the process. A corresponding system for automatic on-line monitoring includes at least one sensor for sensing a plurality of parameters (v) containing information about the status of the machine and/or of a process run on the machine. Extracting unit (22) are provided for extracting from a database (24) a corresponding plurality of stored reference values for said parameters according to predetermined criteria. A comparator compares the plurality of measured parameters with the plurality of corresponding reference values for determining the status of machine and/or process.