Automotive Paint Cell Robot Guide Redundancy
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Solution Overview
Problem
The existing painting installation for automobile body parts is vulnerable to disruptions due to separate guides for application and handling robots, where a breakdown in one robot type blocks adjacent robots, severely restricting the paint cell's functionality.
Innovation Solution
Both application and handling robots are placed on the same linear guides, allowing functional robots on the other guide to assume the role of a malfunctioning robot, ensuring continued operation without blocking adjacent robots.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If application robots and handling robots are assigned to separate linear guides, then the robots can be positioned in the longitudinal direction without mutual interference, but a breakdown in one robot blocks adjacent robots of the same type, severely restricting the paint cell's functionality
Solution Approach 1:
The patent merges application robots and handling robots onto the same linear guide, eliminating the separation that caused blocking issues. This allows robots of different types to share the guide infrastructure while maintaining operational independence through controlled positioning and communication protocols.
Solution Approach 2:
The linear guide is designed to accommodate multiple types of robots (application and handling) with different functions. The guide infrastructure becomes universal, supporting various robot configurations and operations, which enables functional redundancy and compensates for individual robot failures.
2Ease of manufacture
If separate linear guides are used for application and handling robots, then each robot type has dedicated positioning, but the system loses flexibility and cannot compensate for robot failures
Solution Approach 1:
The system introduces dynamic reconfiguration capabilities where robots can change their operational roles and positions based on system state. When a robot fails, functional robots can dynamically adjust their positions and assignments to compensate, transforming the static dedicated positioning into a dynamic adaptive system.
Solution Approach 2:
The patent implements parameter changes in robot positioning and functional assignment based on operational conditions. The system can modify robot positions, guide assignments, and operational parameters to maintain functionality despite individual robot failures or maintenance requirements.
3Reliability
If both application and handling robots are placed on the same linear guide, then functional robots can assume the role of malfunctioning robots, but the guides must accommodate multiple robot types without interference
Solution Approach 1:
The linear guide is segmented into distinct operational zones and positioning segments that can independently accommodate different robot types. This segmentation allows application robots and handling robots to share the guide without physical interference, as each segment can be independently controlled and positioned.
Solution Approach 2:
The patent introduces intermediary control mechanisms and communication protocols that mediate between different robot types sharing the same linear guide. These intermediaries coordinate robot movements, prevent conflicts, and enable seamless operation of multiple robot types on a single guide infrastructure.
Data Source
AI summary
Coating installation, specifically for painting automobile body parts, having at least two application robots (3, 5) for applying a coating means to a target, at least two handling robots (4. 6) for handling the target and two linear guides (1, 2) along which the handling robots (4. 6) and the application robots (3, 5) can be driven. It is proposed that each of the two linear guides (1, 2) carries at least one of the application robots (3, 5) and at least one of the handling robots (4. 6).