Robot-Coating Data Linking for Stable Defect Detection

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Solution Overview

Problem

Existing coating control systems lack efficient data processing and integration of robot and coating device operation states, leading to suboptimal coating processes and potential defects.

Innovation Solution

A coating control apparatus and system that includes an operation control unit for robot-controlled coating devices, a data processor to associate robot data with coating data, and a monitoring apparatus for storing and analyzing this data to optimize coating operations.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If coating data and robot data are processed separately in existing systems, then data processing becomes simpler, but coating quality control and defect detection become less effective

Engineering Contradiction:
Improvecoating quality controlVSAvoiddata processing complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent merges coating device data and robot operation data into a single integrated data structure where each coating data record is associated with corresponding robot data (position, orientation, speed). This combination enables comprehensive analysis of coating quality in relation to robot operation parameters, improving defect detection capability while maintaining manageable data processing through structured association.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The integrated data processing system serves multiple functions simultaneously: it monitors coating quality, detects defects, analyzes robot operation patterns, and provides comprehensive process control. This multi-functional approach improves manufacturing precision without proportionally increasing system complexity, as the same data infrastructure supports various analysis objectives.

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

2Stability of the object's composition

If robot data is integrated with coating data for comprehensive monitoring, then coating process stability improves, but data processing time and computational resources increase

Engineering Contradiction:
Improvecoating process stabilityVSAvoiddata processing time
Core Design Contradiction:
Stability of the object's compositionVSLoss of time

Solution Approach 1:

The system performs preliminary data association by automatically linking robot data with coating data based on timing and position information before detailed analysis. This pre-processing step organizes data into ready-to-analyze structures, reducing computational burden during actual coating process monitoring and enabling rapid defect detection without extensive real-time processing.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent employs automated data association algorithms that replace manual or complex mechanical data correlation processes. By using computational methods to automatically link robot operation data with coating results based on temporal and spatial relationships, the system achieves comprehensive process stability monitoring with efficient processing times.

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

3Adaptability or versatility

If multiple types of coating apparatuses are supported with different devices, then system versatility improves, but setting and configuration complexity increases

Engineering Contradiction:
Improvecoating apparatus compatibilityVSAvoidsetting configuration
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The system implements a universal data structure and control interface that can accommodate multiple types of coating apparatuses and robot configurations. By designing the data association mechanism to be apparatus-agnostic and focusing on standardized data exchange protocols, the system achieves high versatility while maintaining ease of operation through consistent interaction methods across different device types.

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

Solution Approach 2:

The system manages diversity of coating apparatuses by parameterizing device-specific characteristics rather than creating separate control systems for each apparatus type. By allowing configuration through adjustable parameters and settings, the system adapts to different coating devices and robot models without increasing operational complexity, as users interact with standardized interfaces that accommodate various hardware configurations.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentEP4049807A1Coating control apparatus, coating control system, setting apparatus for coating control apparatus, control method, non-transitory computer readable storage medium, and program
Publication Date: 2022.08.31 YASKAWA DENKI KK
  • EP4049807A1 patent drawingFigure 1
  • EP4049807A1 patent drawingFigure 2
  • EP4049807A1 patent drawingFigure 3

AI summary

A coating control apparatus includes an operation control unit configured to control a coating device whose position and orientation are controlled by a robot in accordance with a command from a robot control apparatus, a robot information acquisition unit configured to acquire, from the robot control apparatus, robot data indicating an operation state of the robot, and a data processing unit configured to relate coating data which indicates an operation state of the coating device to the robot data.