Self-Contained Payload Module for ESPA Hub
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Solution Overview
Problem
Conventional payloads deployed from ESPA-class hubs have limited operational size and field-of-view, constrained by the host vehicle's accommodation requirements, leading to hindered performance and power capabilities.
Innovation Solution
A self-contained payload module with a cylindrical housing, internal thermal control system, and wideband communication antenna, allowing for unhindered field-of-view and increased power, enabling testing of operational characteristics before integration with the hub, and optimal volume determination based on the space vehicle's structural capability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If small self-contained payload modules are used to conform to existing accommodation requirements, then the payloads can be integrated with the ESPA-class hub, but the payloads have limited operational size and constrained field-of-view
Solution Approach 1:
The patent transitions from two-dimensional peripheral attachment of payloads to the ESPA hub to a three-dimensional internal cylindrical cavity accommodation. By placing payloads inside the cylindrical cavity rather than attaching them to the external perimeter, the payload aperture gains an unhindered 360-degree field-of-view while still conforming to the hub's structural and spatial constraints.
2Adaptability or versatility
If small self-contained payload modules are used to conform to existing accommodation requirements, then the payloads can be integrated with the ESPA-class hub, but the payloads have reduced power capabilities
Solution Approach 1:
The patent combines multiple previously separate functions into a unified cylindrical payload module: the payload aperture, thermal control system, power subsystem, and communication antenna are integrated within a single self-contained cylindrical housing. This merging allows the payload to achieve greater power capabilities through optimized internal arrangement while maintaining compatibility with the ESPA hub's accommodation requirements.
3Ease of manufacture
If payloads are accommodated in conventional arrangements within the space vehicle, then they can be integrated with the host vehicle, but the payloads have hindered field-of-view and limited operational capability
Solution Approach 1:
The patent segments the payload system into a self-contained cylindrical module that can be independently manufactured, tested, and then integrated with the ESPA hub. This segmentation allows the payload to be optimized for operational capability within its own modular structure while maintaining ease of integration with the host vehicle through standardized interface mechanisms.
4Power
If the payload module volume is increased to accommodate more capable payloads, then the payloads can have greater power and field-of-view, but the space vehicle may be overloaded or structurally impaired
Solution Approach 1:
The patent optimizes the cylindrical payload module's volume and mass parameters to achieve the maximum operational capability while remaining within the structural load limits of the ESPA hub. By carefully controlling the module's dimensional parameters and mass distribution, the design enables greater power and field-of-view capabilities without overloading or structurally impairing the host vehicle.
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 payload module provides a clear and increased field-of-view, accommodates more capable payloads, and enhances mission utility by enabling independent testing and integration without precluding hub or payload production, ensuring structural integrity and efficient deployment.
Implementation Method 1
a thermal control system for the payload
Data Source
AI summary
A self-contained payload module and method of deployment of a payload includes a housing that is configured to engage a propulsive payload adapter hub, at least one deployable payload that is arranged in an interior cavity of the housing and deployable using the propulsive payload adaptor hub, a payload electronics system arranged in the interior cavity, a thermal control system in communication with the at least one payload and arranged in the housing, and at least one antenna that is arranged on the housing and configured for wideband communication.