Surface-Coating Robot Autonomous Navigation and Spraying Control

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Solution Overview

Problem

Current surface-coating technologies rely on manual operations, which are time-consuming, labor-intensive, inefficient, and result in uneven quality, with additional risks from hazardous chemicals and unsafe working conditions.

Innovation Solution

A surface-coating robot operating system that includes a movable base, a vertical linear actuator structure, a mechanical arm with a spray gun, and a controller for autonomous navigation and spraying, enabling precise, efficient, and safe coating operations.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If manual spraying is used to achieve smooth coating without brush marks, then coating quality is improved, but operation efficiency decreases and quality consistency cannot be ensured

Engineering Contradiction:

Improvecoating quality consistencyVSAvoidoperation efficiency

Core Design Contradiction:

Manufacturing precisionVSProductivity

Solution Approach 1:

The patent replaces manual mechanical spraying operations with an automated robotic system. The robot controller automatically controls the spray gun's movement, positioning, and spraying parameters, eliminating the need for manual operation while maintaining consistent coating quality and improving efficiency through programmable precision and automation.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Manufacturing precision

If manual operation is used to control spraying parameters, then flexibility is maintained, but quantitative control and consistency cannot be achieved

Engineering Contradiction:

Improvespraying parameter control precisionVSAvoidoperation complexity

Core Design Contradiction:

Manufacturing precisionVSEase of operation

Solution Approach 1:

The patent replaces manual control of spraying parameters with automated electronic control systems. The robot controller precisely manages spray gun position, movement speed, spray pressure, and other parameters through electronic signals, achieving quantitative control and consistency while reducing operational complexity through automation.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent incorporates feedback mechanisms where the robot controller continuously monitors and adjusts spraying parameters based on real-time data. This closed-loop control ensures precise parameter management and consistent coating quality by automatically compensating for variations in the spraying process.

Inventive Principle:

Principle #23Feedback

3Length of stationary object

If scaffolds and carrying tools are constructed for high areas, then working height is achieved, but construction efficiency decreases and safety risks increase

Engineering Contradiction:

Improveworking heightVSAvoidconstruction efficiency

Core Design Contradiction:

Length of stationary objectVSProductivity

Solution Approach 1:

The patent employs a mobile robot base that can dynamically move to different positions and adjust its working height as needed. This dynamic positioning capability eliminates the need for static scaffolding structures, allowing the robot to efficiently access high areas while maintaining construction speed and safety through automated navigation and stable platform design.

Inventive Principle:

Principle #15Dynamics

4Adaptability or versatility

If manual coating operation is used, then operational flexibility is maintained, but worker safety is compromised due to exposure to hazardous chemicals

Engineering Contradiction:

Improveoperational flexibilityVSAvoidchemical exposure risk

Core Design Contradiction:

Adaptability or versatilityVSObject-affected harmful factors

Solution Approach 1:

The patent replaces manual coating operations with an automated robotic system that performs all spraying tasks. This substitution eliminates worker exposure to hazardous chemicals while the robot controller maintains operational flexibility through programmable instructions that can adapt to different coating requirements and surface geometries.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Data Source

PatentUS12325035B2Surface-coating robot operating system and method thereof

Publication Date: 2025.06.10 CHEN I MING

AI summary

Disclosed is an surface-coating robot operating system, a movable base (100) is provided to drive the whole operating system to implement autonomous navigation movement in the workspace; a vertical linear actuator (200) is used to drive a mechanical arm (300) to move up and down so as to meet the requirement for spraying at different heights; and the mechanical arm (300) is used to drive a spray gun (400) to implement multi-degree-of-freedom motion so as to meet the requirement for spraying at different positions; the whole spraying process is autonomously completed by the operating system, which is time-saving and labor-saving, high efficient, and ensures uniform spraying thickness, smooth spraying surface and consistent spraying quality; the robotic spraying may obviously reduce the coating dusts generated in a spraying process and the human risk caused by exposure to harmful coating chemicals. An operating method for surface-coating robot is disclosed.