Modular RF Directed Energy Power Architecture for Compact High Output
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Solution Overview
Problem
Conventional RF generation systems are too large and inefficient for compact applications such as UAV-mounted or handheld use, facing challenges with thermal management, high power levels, and electromagnetic interference.
Innovation Solution
A compact directed energy system with a radio frequency system, including a RF signal generator, an amplifier system, a battery power system, and a bias power controller, and a battery power system, configured to generate a directed energy beam, a battery power system, and a bias power controller, and a battery power system, configured to generate directed energy beams within a small form factor, utilizing phase-shifted RF signals, power management, and electromagnetic interference mitigation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If conventional RF generation systems are used to provide high power levels, then the required power output is achieved, but the system size becomes too large for compact applications
Solution Approach 1:
The RF power system is divided into multiple amplifier modules (e.g., 8 modules of 500W each to achieve 4kW total output). Each module operates independently and can be selectively activated based on power requirements, allowing high power output while maintaining a compact form factor by only using the necessary number of modules.
Solution Approach 2:
The patent implements a hierarchical modular structure where amplifier modules are nested within a compact housing. The modules can be arranged in parallel or series configurations, and the system allows nested activation where not all modules need to operate simultaneously, effectively nesting the operational complexity within a fixed physical volume.
2Power
If amplifier arrays are increased in size to deliver high-power RF, then the required power delivery capability is achieved, but the thermal management becomes more difficult
Solution Approach 1:
By segmenting the total power output across multiple independent amplifier modules, the thermal load is distributed across separate heat generation sources. Each module has its own thermal management requirements, allowing for modular cooling solutions and preventing concentrated heat buildup that would occur in a single large amplifier.
Solution Approach 2:
The system employs duty cycling where amplifier modules are activated in sequences rather than continuously. This periodic operation allows thermal dissipation between activation cycles, reducing peak temperatures and enabling high power delivery without requiring oversized cooling systems.
3Volume of moving object
If more amplifiers are packed into a smaller volume, then the system becomes more compact, but electromagnetic interference increases
Solution Approach 1:
Each amplifier module is electrically isolated and operates on its own signal path. The modular architecture with separate power supplies and signal processing chains for each module prevents electromagnetic coupling between amplifiers, allowing dense packing without significant EMI issues.
Solution Approach 2:
The patent incorporates EMI shielding and filtering as intermediary elements between amplifier modules. These intermediaries block electromagnetic interference while allowing signal and power transmission, enabling compact arrangement of amplifiers without mutual interference.
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 system achieves high power density and efficient RF energy generation, enabling compact designs suitable for UAVs or handheld use, with power management and interference reduction.
Implementation Method 1
an amplifier system configured to amplify signals from the RF signal generator
Implementation Method 2
a bias power controller configured to sense a characteristic of the amplifier system and adjust bias power to the amplifier system based on the sensed characteristic
Data Source
AI summary
A compact directed energy system is disclosed that is configured to generate directed energy beams. The compact directed energy system includes a radio frequency system configured to provide a directed energy beam in a frequency range between 500 MHz to 20 Ghz.