UAV Wall Cleaning Method to Replace High-Risk Manual Height Operations
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Solution Overview
Problem
Existing methods for cleaning high-rise building walls are hazardous for workers due to the need for height operations, and current wall cleaning robots face challenges in attachment and movement on various wall types.
Innovation Solution
A UAV-based method for cleaning walls that involves obtaining a cleaning path, recognizing the wall surface, and using a cleaning device to clean the surface without attachment, allowing for flexible movement and automation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If workers use safety rope for height operations to clean outer walls, then cleaning work can be performed, but the risk of danger increases significantly
Solution Approach 1:
The patent replaces the mechanical rope-based manual operation system with an automated UAV (unmanned aerial vehicle) system equipped with cleaning devices. The UAV carries cleaning equipment such as spray nozzles and wiping mechanisms, enabling automated detergent spraying and wall surface cleaning without requiring workers to physically attach to the building via safety ropes, thereby eliminating the safety risks associated with height operations while maintaining cleaning effectiveness
Solution Approach 2:
The cleaning system performs self-service operations through automated control. The UAV autonomously navigates to the cleaning position, identifies the wall surface, and executes the cleaning process using integrated cleaning devices. This self-service capability eliminates the need for human workers to be present at height, transferring the operational function from human operators to an autonomous robotic system that can safely perform cleaning tasks independently
2Adaptability or versatility
If wall cleaning robots use vacuum adhesion for attachment, then cleaning can be performed on glass outer walls, but release and movement become difficult and it is not applicable to ordinary wall bodies
Solution Approach 1:
The patent replaces the vacuum adhesion mechanism with a UAV-based aerial cleaning system that does not require attachment to the wall surface. The UAV hovers in the air using its flight control system and performs cleaning operations from a suspended position, eliminating the attachment-release-movement cycle that plagues wall-climbing robots. This substitution enables operation on all wall types including ordinary walls, glass walls, and irregular surfaces without being constrained by attachment compatibility
Solution Approach 2:
The invention transitions from a two-dimensional wall surface attachment problem to a three-dimensional aerial operation. Instead of constraining the cleaning device to the wall surface for attachment and movement, the UAV operates in the air space adjacent to the wall, approaching the cleaning position from the front. This dimensional shift provides freedom of movement in multiple directions and eliminates the attachment constraint entirely, allowing flexible positioning and easy release at any location
3Ease of operation
If manual cleaning methods are used with workers at height, then cleaning can be performed, but automation is lacking
Solution Approach 1:
The cleaning system performs self-service operations through automated control. The UAV autonomously navigates to the cleaning position, identifies the wall surface, and executes the cleaning process using integrated cleaning devices. This self-service capability eliminates the need for human workers to be present at height, transferring the operational function from human operators to an autonomous robotic system that can safely perform cleaning tasks independently
Solution Approach 2:
The UAV system incorporates feedback mechanisms through its recognition device that detects wall surface characteristics and provides real-time information to the control system. Based on this feedback, the control system adjusts cleaning parameters such as detergent spray amount, wiping pressure, and movement speed to optimize cleaning effectiveness. This closed-loop control enables automated adaptation to different wall conditions without human intervention, achieving high-level automation while maintaining cleaning quality
Data Source
AI summary
A method for cleaning a wall body with a UAV includes obtaining a path to be cleaned; flying to a region to be cleaned according to the path to be cleaned; recognizing a wall surface in the region to be cleaned; and using a cleaning device carried by the UAV to clean the wall surface.