3D Roll Press Simulation for Battery Defect Response Training

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Solution Overview

Problem

The rapid growth of secondary battery production plants is hindered by a shortage of skilled workers due to busy production schedules and high worker turnover, making it difficult to train new workers effectively and respond to factory defects.

Innovation Solution

A simulation device and method using a 3D roll press simulator with a computer program to train workers through virtual operations, including defect scenarios, quality checking, and adjustment parameter training, allowing efficient training and defect response preparation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If workers are trained through traditional on-the-job learning by watching experienced workers, then workers can learn practical skills, but training takes too much time and is difficult to scale due to busy production schedules

Engineering Contradiction:
Improveworker skill competencyVSAvoidtraining duration
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent creates a virtual copy of the roll press apparatus and production environment through 3D modeling and digital twin technology. This virtual replica allows workers to practice operations and defect responses without occupying actual production time, enabling skill development parallel to production activities.

Inventive Principle:
Principle #26Copying

Solution Approach 2:

The simulation system enables workers to perform preliminary training on defect scenarios and operational procedures before encountering actual production issues. Workers can practice responding to various defect conditions in the virtual environment, preparing them in advance for real-world situations without delaying production.

Inventive Principle:
Principle #10Preliminary action

2Productivity

If more skilled workers are hired to meet production demand, then production capacity increases, but labor costs and management complexity increase

Engineering Contradiction:
Improveproduction capacityVSAvoidworkforce management complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The simulation system enables workers to self-train on defect scenarios and operational procedures without requiring extensive instructor time. Workers can independently practice and improve their skills through the virtual environment, reducing the need for additional trained supervisors and instructors.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The virtual simulation system serves multiple functions: training new workers, upskilling existing workers, documenting standard procedures, and providing a platform for defect scenario practice. This multi-functionality consolidates what would otherwise require multiple separate training programs and personnel.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Ease of operation

If general factory operation training is provided to workers, then workers understand basic procedures, but they cannot immediately respond to various defect situations that occur during factory operation

Engineering Contradiction:
Improvebasic operation understandingVSAvoiddefect response capability
Core Design Contradiction:
Ease of operationVSAdaptability or versatility

Solution Approach 1:

The simulation system provides specialized training modules for specific defect scenarios and operational situations. Rather than generic training, workers can practice responding to particular defect conditions they may encounter, developing targeted skills for specific situations while maintaining basic operational knowledge.

Inventive Principle:
Principle #3Local quality

4Manufacturing precision

If a digital twin virtual model of the roll press is created for prediction and diagnosis, then processing quality and fault detection improve, but system complexity and computational requirements increase

Engineering Contradiction:
Improveprocessing qualityVSAvoidcontrol system complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent creates a virtual copy of the roll press apparatus that mirrors the physical system's geometry, materials, and processes. This digital twin enables virtual experimentation and parameter optimization without modifying the actual equipment, improving processing quality through simulation-based insights while avoiding complex hardware modifications.

Inventive Principle:
Principle #26Copying

Data Source

PatentEP4266289B1Roll-press simulation device and method for secondary battery production
Publication Date: 2025.08.27 LG ENERGY SOLUTION LTD
  • EP4266289B1 patent drawingFigure 1
  • EP4266289B1 patent drawingFigure 2
  • EP4266289B1 patent drawingFigure 3

AI summary

A simulation method and a simulation apparatus of roll press for secondary battery production are provided. The simulation apparatus comprises a memory configured to store at least one instruction; and at least one processor configured to execute the at least one instruction stored in the memory, the at least one instruction comprising instructions for executing a device operation unit comprising a 3D roll press associated with secondary battery production, a facility operation unit comprising a plurality of adjustment parameters for determining the operation of the 3D roll press, a main operation panel comprising a plurality of buttons for driving a 3D roll press, and a quality confirmation unit comprising quality information related to the quality of a material produced by the 3D roll press; obtaining at least one of first user behavior information obtained through the device operation unit, button manipulation information obtained through the main operation panel, or first user condition information obtained through the facility operation unit; determining an operation of the 3D roll press based on at least one of the obtained first user behavior information, the obtained button manipulation information, or the obtained first user condition information; and executing the operation of 3D roll press based on the determined operation.