Modular Docking Node Transporter Tug for Spacecraft
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Solution Overview
Problem
Current space exploration lacks a versatile and modular solution for connecting and disconnecting multiple habitable spacecraft to form a cohesive space station or structure, as existing docking systems are not easily adaptable to changing mission requirements.
Innovation Solution
A docking node transporter tug with a frame, chemical tanks, solar cell arrays, nozzles, and a computer system that allows for independent propulsion, power generation, and communication, enabling multiple spacecraft to connect and disconnect as needed, with adaptable docking adapters and replaceable fuel tanks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a multiple access point docking node is used to connect numerous structures, then the ability to form a space station or conglomeration of structures is improved, but the complexity of the docking system increases
Solution Approach 1:
The docking system is segmented into modular components: a tug vehicle with multiple docking adapters that can connect to different spacecraft types. Each docking adapter is a separate, standardized module that simplifies the overall system complexity while enabling connections to numerous different structures.
Solution Approach 2:
The tug vehicle serves multiple functions: it acts as a docking node with multiple access points, a transporter for moving spacecraft, and a platform that can be configured for different mission requirements. The standardized docking adapters provide universal connectivity across different spacecraft types.
2Adaptability or versatility
If elements of a space station are made addable or detachable, then the adaptability to changing mission requirements is improved, but the reliability of connections decreases
Solution Approach 1:
Docking adapters are pre-configured with standardized connection interfaces and alignment features that ensure reliable connections before actual docking occurs. The tug vehicle is pre-positioned and prepared for docking operations, with systems checked and ready to ensure connection reliability when spacecraft are added or detached.
Solution Approach 2:
The docking system incorporates sensors and control systems that provide feedback on connection status, alignment, and structural integrity. This feedback mechanism ensures that connections are properly established and maintained, preserving reliability even as elements are added or detached based on mission requirements.
3Adaptability or versatility
If a tug vehicle is designed with multiple docking adapters, then the versatility of the space station configuration is improved, but the weight of the tug increases
Solution Approach 1:
The multiple docking adapters are segmented as separate, standardized modules attached to the tug vehicle. This modular approach allows the use of lightweight, optimized adapter designs rather than a single heavy multi-functional docking structure, reducing overall weight while maintaining versatility.
Solution Approach 2:
Each docking adapter is designed with local quality optimization - using materials and structures specifically suited for its function rather than over-engineering the entire tug vehicle. This allows lightweight construction at each docking point while maintaining the necessary strength and versatility for multiple spacecraft configurations.
4Ease of operation
If chemical tanks are made removable and replaceable, then the ease of refueling in space is improved, but the complexity of the fuel storage system increases
Solution Approach 1:
The fuel storage system is segmented into separate, standardized chemical tanks that can be independently removed and replaced. Each tank is a self-contained module with standardized interfaces for fuel transfer and mechanical attachment, simplifying the refueling operation while the modular architecture manages system complexity.
Solution Approach 2:
Standardized intermediate interfaces and coupling mechanisms mediate between the removable tanks and the tug vehicle's fuel delivery system. These intermediaries provide standardized connection points that simplify tank replacement operations while managing the complexity of fuel transfer protocols and structural attachments.
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
Enables flexible and efficient connection and disconnection of spacecraft, providing customizable propulsion and power solutions, and allowing for mission-specific configurations, enhancing the adaptability and utility of space station structures.
Implementation Method 1
A plurality of solar cell arrays are disposed on the outer periphery of the frame
Implementation Method 2
A plurality of chemical tanks are disposed within the frame with at least one tank comprised of an oxidizer and one tank comprised of a propellant
Implementation Method 3
A plurality of nozzles are disposed on the outer periphery of the frame and each nozzle has a valve for regulating the flow of the oxidizer and fuel from the tanks
Data Source
AI summary
A docking node transporter tug is disclosed. The tug can dock with various spacecraft to allow access by people between the spacecraft. Further, the tug may dock with other specialty tugs to form a custom system.