UAV Radar Panel Angled Downward for Ventral Surveillance
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Solution Overview
Problem
Current unmanned aerial vehicles (UAVs) face limitations in efficiently conducting aerial surveillance over large areas, particularly in detecting objects both above and below their operating altitude, due to restricted field of view and the need for complex launch mechanisms that are costly and non-reusable.
Innovation Solution
The design incorporates a fuselage with stowable wings and a radar panel angled downward, along with a drop-away rocket engine that detachably mounts to the airframe, allowing for clear radar panel views and efficient launch and recovery, enabling the UAV to deploy wings and perform surveillance along designated routes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Difficulty of detecting and measuring
If a downward-angled radar panel is positioned on the ventral region of the fuselage, then the field of view for detecting objects below operating altitude is improved, but the device complexity increases due to the need for precise angular positioning and longitudinal extension along the ventral region
Solution Approach 1:
The radar panel is segmented into a multi-element array configuration, with each element positioned at specific angles and locations along the ventral region. This segmentation allows the radar to achieve wide angular coverage and detect objects at multiple elevations simultaneously, resolving the contradiction between improved field of view and device complexity by distributing the detection function across multiple simpler elements rather than requiring a single complex sensor
Solution Approach 2:
The radar panel is extended longitudinally along the ventral region of the fuselage, adding a spatial dimension to the detection system. This longitudinal extension, combined with the downward angle, creates a two-dimensional array that covers both azimuth and elevation angles, enabling comprehensive surveillance of areas below and around the operating altitude without requiring excessive complexity in individual sensor elements
2Loss of substance
If a drop-away rocket engine is used for launch, then the loss of substance is reduced through reusability, but the device complexity increases due to the detachable mounting mechanism
Solution Approach 1:
The rocket engine is designed as a detachable, reusable component that is discarded after a single use but recovered and reused for subsequent launches. The engine mounts to the UAV via a standardized interface, allowing the expensive propulsion system to be replaced rather than integrated permanently. This approach reduces the loss of substance by enabling recovery and reuse of the engine, while the standardized mounting interface keeps the added complexity manageable
Solution Approach 2:
The rocket engine and mounting system are designed with universal interfaces that allow the same engine to be attached to different UAV configurations. The detachable mounting mechanism serves multiple functions: providing launch thrust, enabling engine recovery, and allowing different engines to be used with the same airframe. This multi-functionality justifies the added device complexity by providing multiple benefits from a single subsystem
Data Source
AI summary
An unmanned aerial vehicle is provided, including an airframe including a fuselage and at least one stowable wing. The unmanned aerial vehicle can further include a radar panel positioned on the fuselage such that the radar panel is angled downward and extends longitudinally along a ventral region of the fuselage. The unmanned aerial vehicle can further include a drop-away rocket engine that is configured to detachably mount to the airframe adjacent the radar panel.