Aircraft Antenna Reinforcement Structure for Retrofit Flexibility
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Solution Overview
Problem
Current aircraft manufacturing processes require early selection of antenna systems, limiting flexibility for customers and resulting in delays and increased costs if antenna options are changed or added later, as the fuselage design is typically optimized for a specific antenna type, making late changes costly and time-consuming.
Innovation Solution
A reinforcement structure with connection points and an antenna adapter plate system that can accommodate various types of antennas, allowing for selection and installation of antenna systems during manufacturing or as a retrofit, without the need for extensive rework or additional structural modifications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the fuselage design is optimized for a specific antenna type, then the structural integrity and performance for that antenna type is improved, but the flexibility to change or add different antenna types later deteriorates
Solution Approach 1:
The antenna mounting structure is divided into separate modular components: a reinforcement structure with connection points that is permanently attached to the fuselage, and an antenna adapter plate that can be selectively installed and removed. This segmentation allows the fuselage to maintain structural integrity while enabling flexible antenna changes without modifying the airframe itself.
Solution Approach 2:
The reinforcement structure with connection points is pre-installed on the fuselage during manufacturing, preparing the airframe for future antenna installations. This preliminary action ensures structural readiness while allowing antenna selection to be deferred until later, resolving the conflict between early structural optimization and late adaptability.
2Adaptability or versatility
If antenna selection is delayed, then customer flexibility and option selection is improved, but manufacturing time and production efficiency deteriorate
Solution Approach 1:
The reinforcement structure is prepared in advance during fuselage manufacturing, but the actual antenna selection and adapter plate installation are deferred until later stages or even after delivery. This preliminary preparation of the mounting infrastructure eliminates future delays while maintaining customer flexibility in antenna selection.
Solution Approach 2:
The reinforcement structure with standardized connection points is designed to accommodate multiple antenna types through a universal mounting interface. This multi-functionality allows the same base structure to support various antenna configurations, enabling late decision-making without requiring custom modifications for each antenna type.
3Adaptability or versatility
If antenna options are changed or added after the decision date, then customer flexibility is improved, but cost and time for rework deteriorate
Solution Approach 1:
By separating the permanent reinforcement structure from the removable antenna adapter plate, the design allows antenna changes without costly fuselage modifications. The adapter plate serves as an intermediate component that can be swapped easily, dramatically reducing rework costs and time compared to direct fuselage modifications.
Solution Approach 2:
The antenna adapter plate acts as an intermediary component between the fuselage and the antenna. This mediator absorbs the complexity of antenna-specific mounting requirements, allowing antenna changes without direct modifications to the fuselage, thereby reducing both time and cost for option changes.
4Adaptability or versatility
If a reinforcement structure is installed, then the ability to support various antenna types is improved, but the device complexity and number of components deteriorates
Solution Approach 1:
The reinforcement structure integrates multiple functions into a single component: it provides structural strengthening, defines mounting locations through connection points, and establishes a standardized interface for antenna adapters. This merging reduces overall system complexity despite adding adaptability, as one component replaces what would otherwise require multiple separate elements.
Data Source
AI summary
A method and apparatus for retrofitting an aircraft. Connection points for a reinforcement structure are located. The reinforcement structure is associated with the airframe during original manufacturing of the aircraft and accommodates forces from an antenna system attached to the reinforcement structure. The antenna system includes an antenna selected from a plurality of types of antennas. An antenna adapter plate in the antenna system is attached to the reinforcement structure connected to the airframe of the aircraft during the original manufacturing of the aircraft using the connection points. The antenna is attached to the antenna adapter plate, wherein the antenna adapter plate is configured to receive any one of the plurality of types of antennas. The reinforcement structure is configured to handle loads from any one of the plurality of types of antennas and the antenna adapter plate attached to the connection points.