Compact RF Directed Energy Layout for High Power Density
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Solution Overview
Problem
Conventional RF systems are large and inefficient for generating high-power RF signals required for compact applications such as UAV-mounted or handheld systems, facing challenges in thermal management, pulsed DC power supply, and electromagnetic interference.
Innovation Solution
A compact directed energy system with a radio frequency system, amplifier array, battery power system, and bias power controller, designed to generate directed energy beams within a small volume, utilizing phase-shifted signals, power management, and electromagnetic interference reduction techniques.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If conventional RF systems are used to generate high-power RF signals, then the required power level is achieved, but the system size becomes large and unsuitable for compact applications
Solution Approach 1:
The RF system is divided into multiple amplifier modules operating in parallel, each contributing to the total output power. This modular approach allows the system to achieve high power levels while maintaining a compact form factor, as each module can be optimized independently and scaled as needed.
Solution Approach 2:
The patent transitions from conventional linear amplifier arrangements to a three-dimensional modular configuration, stacking amplifier modules vertically and arranging them in a compact array. This spatial reorganization enables high power density without proportionally increasing the system's footprint.
2Power
If amplifier arrays are used to deliver high-power RF, then the required power capability is achieved, but thermal management becomes difficult
Solution Approach 1:
Each amplifier module is equipped with dedicated thermal management components positioned immediately adjacent to heat-generating elements. This localized approach ensures efficient heat dissipation from critical components without requiring a complex system-wide cooling infrastructure.
Solution Approach 2:
Heat sinks and thermal interface materials are introduced as intermediary components between the amplifier modules and the cooling system. These intermediaries facilitate efficient heat transfer from the high-power RF components to the cooling mechanism, managing thermal loads effectively.
3Weight of moving object
If compact directed energy systems are designed for UAV mounting, then portability and mobility are improved, but the system must still generate sufficient directed energy beam power
Solution Approach 1:
The system employs dynamic power management that adjusts the output of individual amplifier modules based on real-time operational requirements. This allows the system to deliver high peak power when needed while consuming less average power, reducing the battery weight required for UAV applications.
Solution Approach 2:
The directed energy system operates in pulsed modes rather than continuous wave, with amplifiers activated in periodic sequences. This periodic operation reduces average power consumption and thermal load, enabling compact UAV integration while maintaining effective directed energy output during active pulses.
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, suitable for UAVs or handheld use, with reduced size and weight, and effective thermal and electromagnetic management.
Implementation Method 1
a radio frequency system configured to provide a directed energy beam in a frequency range between 500 MHz to 20 Ghz
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.