Advection-Diffusion Model Parameter Auto-Tuning

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Solution Overview

Problem

Large-scale model simulations using Adversarial Networks face challenges in maintaining accuracy due to non-stationarity and the need for labor-intensive, computationally expensive parameter tuning, leading to model data drift and decreased accuracy over time.

Innovation Solution

A computing device is configured to automatically update model parameters based on detected changes in initial conditions, using a meta-learner trained with historical data and performance feedback from a discriminator, to maintain data similarity with observed data, thereby preventing model drift and improving accuracy.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If model parameters are manually tuned during calibration phase, then model accuracy can be improved, but the process becomes time-consuming and labor-intensive

Engineering Contradiction:
Improvemodel accuracyVSAvoidcalibration time
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The system implements automatic model parameter tuning where the model self-adjusts parameters based on performance feedback without human intervention. The calibration system automatically compares model outputs against observed data, identifies parameter adjustments needed, and updates parameters autonomously, eliminating manual tuning efforts while maintaining high accuracy.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The calibration system establishes a feedback loop where model outputs are continuously compared against observed data, and parameter adjustments are made based on performance gaps. This automated feedback mechanism enables the model to self-correct and optimize parameters efficiently without requiring time-consuming manual calibration phases.

Inventive Principle:
Principle #23Feedback

2Reliability

If model parameters are updated frequently to maintain accuracy, then model reliability improves, but computational overhead increases

Engineering Contradiction:
Improvemodel reliabilityVSAvoidcomputational overhead
Core Design Contradiction:
ReliabilityVSUse of energy by moving object

Solution Approach 1:

The system implements dynamic parameter updating where the frequency and extent of parameter adjustments are adapted based on model performance degradation rates and data drift detection. Rather than fixed frequent updates, the system dynamically determines when updates are necessary, maintaining reliability while optimizing computational resource usage by avoiding unnecessary recalibrations.

Inventive Principle:
Principle #15Dynamics

3Manufacturing precision

If comprehensive parameter tuning is performed, then manufacturing precision of model outputs improves, but device complexity increases

Engineering Contradiction:
Improveoutput precisionVSAvoidsystem complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The system focuses parameter tuning efforts on the most critical parameters that have the greatest impact on model output accuracy. Rather than comprehensively tuning all parameters, the system identifies and adjusts key parameters based on sensitivity analysis and performance feedback, achieving high output precision while avoiding the complexity of comprehensive parameter optimization.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS12124961B2System for continuous update of advection-diffusion models with adversarial networks
Publication Date: 2024.10.22 INTERNATIONAL BUSINESS MACHINE CORPORATION
  • US12124961B2 patent drawing
  • US12124961B2 patent drawing
  • US12124961B2 patent drawing

AI summary

A computing device configured for automatic selection of model parameters includes a processor and a memory coupled to the processor. The memory stores instructions to cause the processor to perform acts including providing an initial set of model parameters and initial condition information to a model based on historical data. A model generates data based on the model parameters and the initial condition information. After determining whether the model-generated data is similar to an observed data, updated model parameters are selected for input to the model based on the determined similarity.