Summarization retrieval in a process control environment

US11526142B2 · kind B2 · utility

Assignee

• Aveva Software, LLC · US

Inventors

• Alexander Vasilyevich Bolotskikh · Ladera Ranch, US
• Vinay T. Kamath · Rancho Santa Margarita, US
• Yevgeny Naryzhny · Modjeska, US
• Abhijit Manushree · Laguna Niguel, US

Key dates

• Filing date: Jan 2, 2020
• Grant date: Dec 13, 2022
• Expiry date: Jan 2, 2040

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P90/02
• WIPO field: Control
• WIPO sector: Instruments

Abstract

Operational historian system retrieving summary data values and source data values based on alignment between a summarization cycle duration and a query cycle duration. A retrieval service process executing on a historian device utilizes a summarization cycle duration, including start and/or end times thereof, and a query cycle duration, including start and/or end times thereof, to determine whether to retrieve, via a communications network, source tag data and/or summary tag data from memory storage devices.