Dual Cleaning Vehicle Path Following for Dry-Wet Floor Cleaning
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Solution Overview
Problem
Self-propelled floor cleaning devices are limited in their range of applications and cleaning effectiveness, as they typically perform only one type of cleaning operation at a time, lacking the capability to seamlessly transition between dry and wet cleaning methods.
Innovation Solution
A system comprising two cleaning vehicles, where the first vehicle performs a dry cleaning step and the second vehicle, logically or mechanically coupled to the first, follows its path to perform a wet cleaning step, utilizing data transmission for coordinated operation and sensor data to adapt cleaning strategies based on the floor surface and obstacles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single cleaning vehicle is used, then the device complexity is low, but the range of applications and cleaning effectiveness are limited
Solution Approach 1:
The cleaning system is divided into two separate cleaning vehicles: a first cleaning vehicle for dry cleaning and a second cleaning vehicle for wet cleaning. Each vehicle is independently controllable and can be used separately or together, allowing the system to adapt to different cleaning needs while keeping individual vehicle complexity manageable.
Solution Approach 2:
The first cleaning vehicle is designed with multi-functionality to perform both dry cleaning (using a brush) and wet cleaning (using a wiping device). This allows a single vehicle to handle various cleaning scenarios, improving versatility without requiring multiple specialized vehicles for every possible cleaning task.
2Manufacturing precision
If only one cleaning step is performed, then the cleaning process is simple, but the cleaning result is insufficient
Solution Approach 1:
The cleaning process is segmented into distinct dry cleaning and wet cleaning steps, performed by separate cleaning vehicles or separate cleaning devices. This segmentation allows each cleaning step to be optimized independently while ensuring both steps are completed for thorough cleaning results.
Solution Approach 2:
The dry cleaning step is performed before the wet cleaning step. The first cleaning vehicle removes loose dirt and debris through dry cleaning, preparing the surface for subsequent wet cleaning by the second vehicle. This preliminary action ensures that wet cleaning is more effective and prevents spreading dry dirt around during the wet cleaning process.
3Ease of operation
If two cleaning vehicles operate independently, then each vehicle is simple to control, but coordination and communication between vehicles are lacking
Solution Approach 1:
The control device of the first cleaning vehicle transmits information about the processed area to the control device of the second cleaning vehicle. This feedback mechanism ensures that the second vehicle knows which areas have already been dry cleaned and should now receive wet cleaning, preventing redundant cleaning operations and ensuring complete coverage.
Solution Approach 2:
The control devices act as intermediaries between the two cleaning vehicles, transmitting control instructions and status information. This intermediary communication system coordinates the operations of both vehicles, allowing them to work together efficiently while maintaining independent control capabilities.
Data Source
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AI summary
The invention relates to a self-propelled floor cleaning device with a manually controlled or program-controlled first cleaning vehicle (1) traveling along a processing path (2) over a surface to be cleaned, with a first cleaning device (3) for carrying out a dry cleaning step. A second cleaning vehicle (11) is provided with a second cleaning device for carrying out a wet cleaning step, the second cleaning vehicle (11) being coupled to the first cleaning vehicle (1) in such a way that the second cleaning vehicle (11) is on top of the first cleaning vehicle (1). whose machining path (2) follows. The second cleaning vehicle (11) can be connected to the first cleaning vehicle (1) via a detachable mechanical coupling. However, it can also be in operative connection with the first cleaning vehicle only via a data transmission link (10).