Robot Cleaner Reciprocating Movement for Concentrated Central Cleaning
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Solution Overview
Problem
Current robot cleaners face limitations in thoroughly cleaning severely contaminated floor surfaces, particularly in concentrated and repetitive cleaning of central contaminated regions, and are inefficient in terms of time and coverage when dealing with widely contaminated areas.
Innovation Solution
A robot cleaner design featuring a main body with rotary plates and mops that reciprocate between a central origin and target points on concentric circles, allowing for precise and repeated cleaning of circular regions with optimized movement routes to reduce cleaning time and improve coverage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the robot cleaner spirally rotates to clean contaminated regions, then it can cover a cleaning area, but some cleaning areas overlap and the center of the mainly contaminated region cannot be concentratedly and repeatedly cleaned
Solution Approach 1:
The cleaning process is segmented into two distinct phases: a spiral cleaning phase that covers the overall contaminated area, and a concentrated reciprocating cleaning phase that focuses on the central region. This segmentation allows each phase to optimize for its specific purpose without compromising the other.
Solution Approach 2:
The robot cleaner performs periodic reciprocating movements between the origin and target points on the concentric circle. This periodic action ensures that the central contaminated region is repeatedly cleaned with high concentration, while the spiral movement periodically covers the broader area.
2Productivity
If the robot cleaner continuously moves forward until obstacle detection, then it can efficiently cover large areas, but it cannot repeatedly and precisely clean severely contaminated floor surfaces
Solution Approach 1:
The robot cleaner dynamically adjusts its movement pattern based on the contamination distribution. It transitions from continuous forward movement to reciprocating motion between origin and target points, and then to concentrated cleaning at the center region. This dynamic adaptation allows the system to optimize both productivity and precision for different cleaning scenarios.
3Manufacturing precision
If the frictional force between the mop and the floor surface is increased to strongly wipe the floor surface, then the cleaning effectiveness is improved, but the time required for cleaning operation increases
Solution Approach 1:
The robot cleaner applies different cleaning intensities to different regions based on contamination levels. The central region, which is severely contaminated, receives concentrated and repeated cleaning with high frictional force. The peripheral areas are cleaned with the spiral movement pattern, which requires less time and frictional force.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The robot cleaner effectively and efficiently cleans circular regions by repeatedly moving between the origin and target points, ensuring precise cleaning of severely contaminated areas and reducing overall cleaning time, while also covering a wide contaminated region around a specific point.
Implementation Method 1
the robot cleaner is sometimes configured to move in a particular direction using a frictional force generated when a plurality of mops rotates in a state of being in contact with the floor surface
Implementation Method 2
as the frictional force between the mop and the floor surface increases, the mop may strongly wipe the floor surface, such that the robot cleaner may effectively clean the floor surface
Data Source
AI summary
The present disclosure relates to a method of controlling a robot cleaner comprising a pair of rotary plates having lower sides to which mops facing a floor surface are coupled, the robot cleaner being configured to move by rotating the pair of rotary plates, the method including: a first movement step of allowing the robot cleaner to start from a predetermined starting point on the floor surface and move by a predetermined distance; a second movement step of moving the robot cleaner to the starting point after the first movement step; and a direction change step of rotating the robot cleaner by a predetermined direction change angle, such that the robot cleaner may precisely clean the circular cleaning region while repeatedly moving in the circular cleaning region.