Modular UAV Propulsion Modules for Rapid Maintenance
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Solution Overview
Problem
Unmanned aerial vehicles (UAVs) face downtime due to the need for routine maintenance and repair of complex components, which can be time-consuming and inefficient, especially when one component fails, requiring the entire system to be taken out of service until issues are identified and resolved.
Innovation Solution
The implementation of detachable propulsion modules with integrated motors, propellers, sensors, and communication devices that can be quickly installed, removed, and replaced on UAV frames, allowing for modular operation and maintenance, enabling rapid identification and replacement of faulty components without halting the entire system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the entire UAV system is taken out of service for maintenance or repair of a single component, then the component can be properly diagnosed and repaired, but the overall system availability and productivity are reduced
Solution Approach 1:
The propulsion system is divided into separate modular units, each comprising a motor, propeller, and associated components. This segmentation allows individual modules to be maintained or replaced without affecting the entire UAV system, thereby maintaining system availability while ensuring component reliability.
Solution Approach 2:
The patent implements a replacement strategy where faulty propulsion modules are quickly swapped out and sent for maintenance, while healthy modules continue operating. This approach recovers system productivity by maintaining operational capacity while ensuring reliable maintenance of individual components.
2Adaptability or versatility
If multiple components are integrated into a single UAV system, then the system becomes more capable and versatile, but the complexity of maintenance and repair increases
Solution Approach 1:
By segmenting the propulsion system into standardized modular units, the patent reduces maintenance complexity despite having multiple integrated components. Each module can be independently maintained, and the standardized interfaces simplify the maintenance process across the entire system.
Solution Approach 2:
The propulsion modules are designed with universal characteristics that allow them to be interchanged and maintained using the same procedures and equipment. This universality reduces maintenance complexity while preserving the system's overall capability and versatility.
3Strength
If proprietary connection methods are used for propulsion modules, then the modules can be securely attached, but the ease of replacement and maintenance is reduced
Solution Approach 1:
The connection system employs dynamic elements such as spring-loaded electrical contacts and mechanically coupled features that provide secure attachment during operation. These same dynamic features enable easy disconnection and replacement when maintenance is needed, balancing connection strength with replacement ease.
Data Source
AI summary
An aerial vehicle may be equipped with propulsion modules that include motors, sensors, transceivers, controllers, power sources or other components therein. The propulsion modules may be releasably mounted to the aerial vehicle in a manner that allows a propulsion module to be removed and replaced when one or more of the components within the propulsion module requires maintenance or repairs, thereby enabling the aerial vehicle to return to service promptly. The propulsion modules may communicate via wired or wireless means with one another, or with a central computer system onboard the aerial vehicle. The propulsion modules may be interchangeably installed on each of the aerial vehicles in a class, or on aerial vehicles in different classes. Furthermore, aerial vehicles may be equipped with varying numbers of propulsion modules, as needed, subject to one or more operational requirements or constraints.