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Systems, methods and computer-readable media for dynamic process monitoring and/or generating a principal predictor model (filed)

Research output: Patents, Agreements, AssignmentsPatents (LU)

Abstract

A method for generating a dynamic predictor model from multi-dimensional time series data, comprises: receiving, from a plurality of sensors, multi-dimensional time series data corresponding to a plurality of original variables; transforming the multi-dimensional time series data to a lower dimension to define reduced-dimensional time series data; extracting, by a controller, a plurality of latent variables from the reduced-dimensional time series data and
determining values of the plurality of latent variables in a first time period; initializing, by the controller, a loadings matrix corresponding to a set of latent variables of the plurality of latent variables; and determining, by the controller, one or more dynamic predictor model parameters, by performing an iterative process. The iterative process comprises (a) predicting values of the plurality of latent variables based on the reduced-dimensional time series data and the loadings matrix, by using an estimation process which maximizes a covariance
between the values of the plurality of latent variables and the predicted values of the plurality of latent variables; (b) calculating a new loadings matrix from the loadings matrix and the predicted values of the latent variables; (c) updating the loadings matrix based on the calculated new loadings matrix; and (d) iteratively repeating (a) to (c) until the one or more dynamic predictor model parameters reach convergence.
Original languageEnglish
Priority date25/09/24
Filing date8/05/25
Publication statusAccepted/In press - 8 May 2025

Bibliographical note

Filing number: 19/201,971

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