Aircraft Static Charge Hazard Detection via Electric Field Sensing
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Solution Overview
Problem
Aircrafts face significant risks from environmental hazards such as lightning strikes, ice buildup, and volcanic ash clouds due to charge buildup and static electricity, which can cause costly damage and require extensive repairs, necessitating an effective onboard hazard detection system that can integrate with existing avionic equipment without adding significant components.
Innovation Solution
A hazard detection system that utilizes sensors to receive charge accumulation signals indicative of electric fields, providing warnings through integration with weather radar systems, using electric field detectors and static wick current sensors to detect potential hazards like lightning and icing conditions, and alerting pilots through visual, auditory, or graphical displays.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional hazard detection methods are used, then existing systems can detect some weather conditions, but they cannot effectively detect charge buildup and static electricity hazards
Solution Approach 1:
The patent combines multiple hazard detection functions into a single integrated system that detects charge buildup, static electricity, and weather conditions simultaneously. The hazard detection system merges electric field sensing, static charge monitoring, and existing weather radar capabilities into one unified platform, improving reliability without proportionally increasing complexity.
Solution Approach 2:
The system performs multiple detection functions using a unified approach. The same sensor array and processing system detect various hazards including charge accumulation, static electricity discharge, lightning proximity, and weather conditions, making the system versatile and reducing the need for separate specialized devices.
2Measurement precision
If dedicated hazard detection equipment is added, then detection accuracy improves, but aircraft system complexity and cost increase
Solution Approach 1:
The system uses the aircraft's existing avionic equipment, power supply, and data processing infrastructure to support hazard detection. By leveraging already-installed sensors, computers, and display systems, the patent avoids adding significant complexity while achieving accurate charge buildup and static electricity detection.
Solution Approach 2:
Existing aircraft sensors and processing systems are made multi-functional by adding hazard detection capabilities. The same sensor array that detects weather conditions is also used to monitor charge buildup and static electricity, maximizing the utility of existing components and minimizing additional hardware requirements.
3Reliability
If comprehensive hazard monitoring is implemented, then safety improves, but response time and warning accuracy must be optimized
Solution Approach 1:
The system detects charge buildup and static electricity accumulation before they reach dangerous levels that could cause discharge or interference. By monitoring trends and providing early warnings, the system gives pilots advance notice to take preventive actions, optimizing response time while maintaining high safety standards.
Solution Approach 2:
The hazard detection system continuously monitors charge levels and provides real-time feedback to the flight crew through visual and audible warnings. This continuous feedback loop allows for timely responses to developing hazards and enables dynamic adjustment of detection thresholds based on current flight conditions.
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 effectively detects and warns pilots of potential hazards, reducing the risk of damage from lightning strikes and ice buildup by providing timely alerts, thereby enhancing aircraft safety and reducing maintenance costs.
Implementation Method 1
a sensor configured to sense charge accumulation on the aircraft
Implementation Method 2
providing a warning signal in response to the charge accumulation signal, the warning signal being indicative of the environmental hazard
Data Source
AI summary
A hazard detection system is for use on board an aircraft or other vehicle. The aircraft or other vehicle is disposed in an environment. The hazard detection system includes a circuit for receiving a charge accumulation signal indicative of the electric field associated with the environment. The circuit provides a warning in response to the charge accumulation signal. The warning is indicative of a hazard or potential hazard.