User-Aware Cleaning Robot Positioning for Cleaning and Air Purification
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Solution Overview
Problem
Conventional cleaning devices fail to efficiently perform cleaning or air purification tasks as they do not consider the distance from the user, leading to ineffective operation and potential user discomfort or collision risks.
Innovation Solution
A cleaning device equipped with a camera unit, driving unit, and processor that adjusts its distance and direction based on operation mode, detects user activity areas, and transmits mode information to external devices to ensure user-friendly and safe operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the cleaning device performs cleaning without considering distance from the user, then cleaning operation is simple, but user comfort deteriorates and collision risk increases
Solution Approach 1:
The cleaning device uses a camera unit to detect the user's position and continuously provides feedback to the processor. The processor adjusts the cleaning device's movement and positioning based on this feedback, maintaining an appropriate distance from the user. This feedback mechanism allows the device to automatically adapt to user presence without complex manual controls, resolving the contradiction between operational simplicity and user safety/comfort.
Solution Approach 2:
The patent replaces manual mechanical control with an automated vision-based system. The camera unit captures user position information, and the processor automatically translates this into navigation decisions, substituting complex mechanical distance-control mechanisms with an intelligent visual detection and automated response system.
2Object-affected harmful factors
If the cleaning device maintains optimal distance from user, then user comfort improves, but device complexity increases due to camera and control systems
Solution Approach 1:
The camera unit serves multiple functions: it detects user presence, determines user position, and provides input for navigation decisions. The processor integrates this visual information with cleaning task requirements to make comprehensive positioning decisions. This multi-functionality reduces the need for separate dedicated sensors and control mechanisms, thereby limiting the increase in device complexity while still achieving user comfort.
3Productivity
If the cleaning device adjusts distance based on operation mode, then cleaning efficiency improves, but control complexity increases
Solution Approach 1:
The cleaning device dynamically adjusts its distance from the user based on the current operation mode. In air cleaning mode, the device maintains a closer distance to effectively deliver purified air to the user. In cleaning mode, it maintains a greater distance to avoid interference with the cleaning process. The processor automatically switches between these dynamic positioning strategies based on mode detection, optimizing cleaning efficiency without requiring complex manual intervention.
Data Source
AI summary
Provided is a cleaning device comprising: a camera unit for capturing an image; a cleaning unit for cleaning; an air purification unit for purifying air; a driving unit for moving the cleaning device; and a processor for controlling the camera unit, the cleaning unit, the air purification unit and the driving unit, wherein the processor detects a user by using the camera unit, cleans by moving the cleaning device to a position exceeding a first threshold distance from the detected user when the cleaning device is in a cleaning mode, and purifies the air by moving the cleaning device to a position within a second threshold distance from the detected user when the cleaning device is in an air purification mode.