Adhesive Dispenser Calibration With ML for Precise Flow Control

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Solution Overview

Problem

Existing adhesive dispensing systems face complexity and high costs due to the need for numerous calibration points and neural networks to accurately control flow rates, especially with varying adhesives and environmental conditions.

Innovation Solution

A non-neural network machine learning algorithm, combined with a hybrid approach, predicts adhesive dispenser settings based on viscosity and environmental factors, reducing the need for extensive calibration data.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If neural network-based systems are used to predict dispenser settings, then prediction accuracy improves, but the number of calibration points required increases to hundreds or thousands

Engineering Contradiction:
Improveprediction accuracyVSAvoidnumber of calibration points
Core Design Contradiction:
Measurement precisionVSQuantity of substance

Solution Approach 1:

The patent replaces expensive, complex neural network models with simpler, more economical machine learning algorithms that require minimal calibration data. This principle is applied by using lightweight algorithms that can be quickly trained and discarded or updated without requiring extensive calibration resources, thereby reducing both time and data requirements while maintaining adequate prediction accuracy for adhesive dispensing applications.

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

Solution Approach 2:

The patent changes the parameters of the machine learning approach by using algorithms with fewer parameters and lower computational requirements compared to neural networks. This allows the system to achieve sufficient prediction accuracy with significantly reduced calibration data, transforming the problem from one requiring hundreds of calibration points to one that can be solved with minimal calibration while maintaining operational effectiveness.

Inventive Principle:
Principle #35Parameter changes

2Manufacturing precision

If active control systems are used to directly control flow rate, then flow rate control accuracy improves, but system complexity and cost increase

Engineering Contradiction:
Improveflow rate control accuracyVSAvoidsystem complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent replaces complex active control systems with a predictive modeling approach that uses machine learning algorithms to calculate optimal dispenser settings. Instead of using sophisticated sensors and actuators for real-time flow rate control, the system predicts the required settings based on adhesive properties and environmental conditions, thereby achieving accurate flow control through computational methods rather than mechanical control systems.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent applies preliminary action by pre-calculating optimal dispenser settings using machine learning models before actual dispensing occurs. The system predicts the appropriate pressure, temperature, and other parameters based on adhesive characteristics and environmental factors, allowing the dispenser to be configured in advance rather than requiring complex real-time active control during the dispensing process.

Inventive Principle:
Principle #10Preliminary action

3Device complexity

If calibration curves are used to provide settings recommendations, then system simplicity is maintained, but prediction accuracy deteriorates due to complexity of calibration curves

Engineering Contradiction:
Improvesystem simplicityVSAvoidprediction accuracy
Core Design Contradiction:
Device complexityVSMeasurement precision

Solution Approach 1:

The patent introduces machine learning algorithms as an intermediary between simple calibration curves and accurate prediction requirements. These algorithms process adhesive property data and environmental conditions to generate more accurate predictions than traditional calibration curves, while still maintaining relative system simplicity. The machine learning model acts as a mediator that enhances prediction capability without requiring the full complexity of active control systems or neural networks.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS12491533B2Adhesive dispensing systems and methods
Publication Date: 2025.12.09 3M INNOVATIVE PROPERTIES CO
  • US12491533B2 patent drawing
  • US12491533B2 patent drawing
  • US12491533B2 patent drawing

AI summary

Apparatus, systems (400), and methods for predicting a parameter of dispenser system, dispensing a dispensable material, calibrating a dispenser system are described. Apparatus and systems can use machine learning algorithms based on environmental variables and other factors in a system where the adhesive dispenser (100) is used. Furthermore, apparatus and systems can adjust an operational parameter of the dispenser system based on at least one process parameter. Still further, apparatus and systems can provide one or more settings for one or more dispenser components based on a calibration model. Algorithms (412) can operate on remote or local software and control systems, or as part of an edge computing system or Internet of Things (IoT) system.