Adjustable parameters for autonomous cleaning robots
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Solution Overview
Problem
Existing cleaning robots face challenges in optimizing cleaning performance and coverage based on room size and dirt/debris levels, as excessive rank overlap can lead to increased cleaning performance but decreased coverage, while insufficient overlap results in the opposite.
Innovation Solution
An adjustable rank overlap and spray level system is implemented, allowing users to select cleaning levels and spray parameters through a mobile device interface, enabling precise control over cleaning missions without specifying exact values.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If rank overlap is increased to improve cleaning performance, then cleaning performance is improved, but coverage area is decreased
Solution Approach 1:
The patent implements adjustable rank overlap parameters that can be dynamically modified based on room size and cleaning requirements. The system allows users to select from multiple cleaning levels (e.g., light, medium, heavy cleaning modes) that correspond to different rank overlap values, enabling the robot to adapt between coverage area and cleaning performance depending on the specific cleaning scenario.
2Area of stationary object
If rank overlap is decreased to increase coverage area, then coverage area is increased, but cleaning performance is decreased
Solution Approach 1:
The system provides multiple preset cleaning levels that optimize rank overlap for different coverage requirements. When large coverage is needed, the system automatically selects smaller overlap values, while maintaining the ability to switch to higher overlap values when deep cleaning is required, thus dynamically balancing coverage and cleaning performance.
3Reliability
If spray volume is increased to improve cleaning effectiveness, then cleaning effectiveness is improved, but fluid consumption is increased
Solution Approach 1:
The patent implements adjustable spray parameters including spray volume, spray frequency, and spray pattern. The system allows optimization of these parameters based on the selected cleaning level and detected debris conditions, enabling effective cleaning with minimal fluid consumption by using higher spray volumes only when and where necessary.
4Reliability
If spray frequency is increased to improve cleaning thoroughness, then cleaning thoroughness is improved, but energy consumption is increased
Solution Approach 1:
The system implements variable spray frequency control that adjusts the periodicity of spray events based on cleaning requirements. Instead of continuous spraying, the system uses periodic spray cycles with adjustable intervals, reducing energy consumption while maintaining cleaning thoroughness through strategically timed spray events during the cleaning mission.
Data Source
AI summary
A method of operating an autonomous cleaning robot includes presenting, on a display of a mobile device, a representation of each of multiple cleaning levels, each cleaning level corresponding to a respective rank overlap parameter for a wet cleaning mission of the autonomous cleaning robot. The method includes receiving, at the mobile device, an input indicative of a selection of one of the cleaning levels; and controlling the autonomous cleaning robot to execute a wet cleaning mission according to the rank overlap parameter corresponding to the selected one of the cleaning levels.


