Autonomous Lavatory Cleaning Robot for Aircraft
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Solution Overview
Problem
Commercial aircraft lavatories are frequently used during flights, leading to compromised cleanliness due to the lack of effective cleaning during flights, which can impact passenger health and experience.
Innovation Solution
An autonomous cleaning system with a cleaning robot, including a debris collector, agitator, fluid dispenser, and ultraviolet light, is deployed from a docking station when the lavatory is unoccupied to clean and disinfect the interior chamber.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If cleaning personnel board the aircraft to clean the lavatory between flights, then the lavatory cleanliness is improved, but the cleaning frequency is insufficient during flights
Solution Approach 1:
The cleaning robot autonomously services the lavatory without human intervention. It navigates the lavatory space, identifies soiled areas, and performs cleaning tasks automatically, enabling the system to clean itself and maintain hygiene without requiring flight attendants or ground personnel
Solution Approach 2:
The cleaning robot transitions from a stationary dock to mobile operation within the lavatory. It dynamically adjusts its position, orientation, and cleaning actions based on real-time sensor data about soiled areas, allowing flexible and adaptive cleaning throughout the flight duration
2Reliability
If flight attendants clean the lavatory during flights, then the cleanliness is maintained, but flight attendants are preoccupied with other duties
Solution Approach 1:
The cleaning robot autonomously services the lavatory without human intervention. It navigates the lavatory space, identifies soiled areas, and performs cleaning tasks automatically, enabling the system to clean itself and maintain hygiene without requiring flight attendants
Solution Approach 2:
The manual cleaning system performed by flight attendants is replaced with an autonomous robotic system. The robot uses sensors, actuators, and automated cleaning mechanisms to perform tasks that previously required human physical intervention
3Productivity
If the cleaning robot is deployed autonomously during flights, then the cleaning frequency is improved, but the system complexity increases
Solution Approach 1:
The cleaning robot is divided into functional modules: navigation system, sensing system, cleaning mechanism, and docking system. Each module performs a specific function and can be independently developed, tested, and maintained, reducing overall system complexity through modular design
Solution Approach 2:
The cleaning robot is designed to perform multiple cleaning functions (sweeping, wet cleaning, disinfection) and can adapt to different lavatory configurations. The dock serves multiple purposes: charging, data transfer, and robot storage, reducing the number of separate systems needed
4Object-affected harmful factors
If the cleaning robot cleans the lavatory during flights, then passenger health and experience are improved, but the lavatory must be unoccupied during cleaning
Solution Approach 1:
The cleaning robot operates periodically when the lavatory is unoccupied, such as during flight phases when no passengers are using the facility. The system monitors lavatory occupancy and schedules cleaning tasks during appropriate windows, performing multiple cleaning cycles throughout the flight
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 system maintains a clean and sanitary environment by autonomously cleaning and disinfecting lavatories during flights, reducing germ and bacteria presence, and improving passenger experience.
Implementation Method 1
an ultraviolet light that is configured to irradiate the portion of the interior chamber with ultraviolet light during a cleaning cycle
Data Source
AI summary
A vehicle includes an internal cabin, and an autonomous cleaning system located within an interior chamber of the internal cabin. The autonomous cleaning system includes a cleaning robot configured to clean a portion of the interior chamber.