Evaluation and/or adaptation of industrial and/or technical process models

A technology, industrial technology, applied in the field of industrial/technical modeling and/or model/control parameter optimization, which can solve the problems of movement, inefficiency, lack of modularization, etc., achieve high computational efficiency, and reduce the need for data labeling.

Pending Publication Date: 2021-12-03
CALEJO INDUSTRIAL INTELLIGENCE AB
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Problems solved by technology

The disadvantage of this black-box approach is that it has little possibility of reuse due to lack of modularity, difficulty of interpretation, and forced causality of all steps
Additionally, standard independent gradient descent methods trained by a single universal function approximator can become inefficient when integrated into other systems that are simultaneously optimized, since modifications in other parts may shift the optimal untie

Method used

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  • Evaluation and/or adaptation of industrial and/or technical process models
  • Evaluation and/or adaptation of industrial and/or technical process models
  • Evaluation and/or adaptation of industrial and/or technical process models

Examples

Experimental program
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Embodiment Construction

[0083] Throughout the figures, the same reference numerals are used for similar or corresponding elements.

[0084] For a better understanding of the proposed technology, it may be useful to begin with a brief system overview and introduction to some example embodiments, followed by a more detailed description of specific example implementations and explanations of some useful technical terms .

[0085] first, figure 1 is a schematic diagram illustrating an example of an industrial and / or technical system and a corresponding model according to an illustrative embodiment. A physical real-world system, such as industrial and / or technical system 10, may be configured to perform an industrial and / or technical process using one or more physical subsystems. Corresponding parametric models (comprising one or more model parameters) can be built and defined for industrial and / or technical processes defined by controlled or sometimes uncontrolled operation and behavior of industrial a...

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Abstract

There is provided a method and corresponding systems and computer-programs for evaluating and/or adapting one or more technical models related to an industrial and/or technical process. The method comprises obtaining (S1) a fully or partially acausal modular parameterized model of an industrial and/or technical process comprising at least one physical sub-model and at least one neural network sub-model, including one or more parameters of the parameterized model. The method further comprises generating (S2) a system of differential equations based on the parameterized model, and simulating (S3) the dynamics of one or more states of the industrial and/or technical process over time based on the system of differential equations. The method also comprises applying (S4) reverse-mode automatic differentiation with respect to the system of differential equations when simulating the industrial and/or technical process in order to generate an estimate representing an evaluation of the model of the industrial and/or technical process.

Description

technical field [0001] The present invention relates generally to industrial and / or technical processes and process control, and more particularly to the technical field of industrial / technical modeling and / or model / control parameter optimization. Background technique [0002] Industrial and / or technical process control generally involves collecting technical data from sensors coupled to industrial and / or technical systems, refining this technical data into some technical knowledge (modelling) and using this knowledge to create industrial and / or technical processes control signals for efficient operation. [0003] For these purposes, most industries employ some type of modeling software to help them create knowledge models that can interact with their data. These models are usually coded in an industry-specific object-oriented modeling language. In some cases the models are based on physical equations derived from theory, in other cases the models are based on statistical ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06N3/10G05B13/04G05B23/02G05B19/418G06F8/35G06F17/13G06F30/27G06F30/3308G05B17/02
CPCG06F30/27G05B17/02G05B13/042G06F30/20G06N3/006G06N3/08G06N3/10G06N7/01G05B13/04G05B23/0254G06F17/13G06F30/3308G06F8/35G05B19/41885G05B13/027
Inventor 伦纳德·卡伯格约哈德
Owner CALEJO INDUSTRIAL INTELLIGENCE AB
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