Self-Propelled Baggage Dolly Layout for Tight Airside Maneuvering
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Solution Overview
Problem
Existing baggage handling systems face inefficiencies due to the use of unwieldy baggage trains, which result in damage to dollies and infrastructure, inefficient use of space, and increased energy consumption.
Innovation Solution
The development of self-propelled baggage dollies equipped with a drive system, controller, and processor, allowing for autonomous operation and enhanced maneuverability, including lateral movement capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional baggage trains are used to transport baggage, then baggage can be moved from baggage hall to aircraft, but the trains are unwieldy and cause damage to dollies and infrastructure
Solution Approach 1:
The patent divides the traditional coupled baggage train into independent, self-propelled modular units. Each dolly operates autonomously without being physically connected to others, allowing individual maneuverability while maintaining the ability to transport multiple bags. This segmentation eliminates the unwieldy nature of long trains and reduces damage from rigid coupling and misaligned turns.
Solution Approach 2:
The patent implements dynamic steering capabilities that allow dollies to adjust their orientation and movement in real-time. The steerable wheels and control systems enable each dolly to navigate independently through the baggage hall, adapting to spatial constraints and avoiding obstacles. This dynamic control prevents the rigid, damage-causing movements of traditional fixed-configuration trains.
2Productivity
If traditional baggage trains are used, then baggage transport is achieved, but space utilization is inefficient
Solution Approach 1:
By separating individual dollies from the train configuration, each unit can navigate directly to its destination and optimize its path independently. This eliminates the need for large turning radii required by long coupled trains, allowing more efficient use of baggage hall space and enabling parallel operations of multiple dollies simultaneously.
Solution Approach 2:
The patent introduces lateral movement capability in addition to forward motion, allowing dollies to approach loading positions from multiple directions. This multi-directional movement optimizes space utilization by enabling dollies to navigate around obstacles and access tight spaces that would be inaccessible to traditional linear train configurations.
3Productivity
If traditional baggage trains are used, then baggage can be transported, but energy consumption increases
Solution Approach 1:
Each self-propelled dolly has its own drive system and operates independently, eliminating the energy inefficiency of dragging uncoupled dollies behind a lead tractor. Only the actively moving dollies consume energy, rather than the entire train configuration. This segmentation allows energy to be used only where needed for actual transport tasks.
Solution Approach 2:
Each dolly is self-propelled and autonomously navigates to its destination, eliminating the need for a separate tractor to provide motive power for the entire train. Each unit serves itself by providing its own propulsion and steering, reducing overall system energy consumption while maintaining transport capability.
4Strength
If baggage dollies are designed to withstand impacts and scrapes, then damage resistance is improved, but dolly mass increases to about 1 ton
Solution Approach 1:
The patent incorporates protective features such as reinforced corners, bumpers, and impact-absorbing elements on the dolly structure. These pre-installed protective measures cushion against inevitable impacts and scrapes during autonomous navigation, reducing the need for excessive structural mass while maintaining adequate damage resistance.
Solution Approach 2:
The patent changes the operational parameters by using controlled, autonomous navigation with sensors and active steering to prevent impacts rather than relying solely on heavy construction. This allows for lighter dolly mass while maintaining strength through intelligent operation and targeted protective features at critical impact zones.
Data Source
AI summary
The present invention relates to self-propelled airside dollies (100), and particularly but not exclusively to airside baggage dollies and airside cargo dollies, and autonomous airside dollies. The self-propelled airside dolly comprises a cargo portion (104) configured to hold baggage or cargo, a drive system (108) for driving the self-propelled airside dolly (100), a controller (114) configured to control the drive system (108) in response to control signals and a processor (116) configured to provide the control signals to the controller (114).