RFID Tracking System for Aircraft Production Safety Zones
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Tracking personnel and tools in proximity to electrified areas during the 'power-on' stage of vehicle production is challenging, posing safety risks due to the difficulty in monitoring and preventing unauthorized access to electrical equipment.
Innovation Solution
A safety system utilizing active positioning sensors and a controller to detect objects within defined safety zones, activating alarms and altering production processes to prevent electrification when objects are in unsafe proximity, and ensuring tools are returned to storage before power-up.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual tracking methods are used to monitor personnel and tools during power-on stage, then operational flexibility is maintained, but safety monitoring effectiveness deteriorates
Solution Approach 1:
The tracking system is designed to monitor multiple types of objects (personnel wearing RFID tags and tools with RFID tags) using the same sensor network and controller infrastructure. The system universally tracks both human operators and equipment throughout the production environment, eliminating the need for separate monitoring systems and improving overall safety monitoring effectiveness while maintaining manageable complexity through resource sharing.
Solution Approach 2:
The patent replaces manual visual inspection and physical monitoring methods with an automated electronic tracking system using RFID sensors, wireless communication, and digital mapping. This substitution eliminates the limitations of human monitoring capacity and provides continuous, reliable safety monitoring without requiring complex manual procedures, thereby improving reliability while the automation actually reduces operational complexity.
2Reliability
If safety zones are strictly enforced with automated blocking, then personnel safety is improved, but production efficiency deteriorates
Solution Approach 1:
The system performs preliminary tracking and monitoring of personnel and tools before the power-on stage begins. By continuously monitoring locations during earlier production stages and maintaining updated positional data, the system is already prepared to quickly determine safety status when power-on is requested, enabling rapid authorization decisions that protect personnel while minimizing delays to production efficiency.
Solution Approach 2:
The tracking system provides real-time feedback on the locations of personnel and tools relative to safety zones. This continuous feedback loop allows the controller to make informed, dynamic decisions about whether to authorize power-on operations. The system can quickly detect when all personnel and tools are outside safety zones and immediately authorize power-on, or detect violations and block power-on, thereby maintaining high safety standards while minimizing unnecessary production delays through responsive, data-driven control.
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
Enhances safety by preventing unauthorized access to electrified areas, ensuring tools are accounted for, and safely managing the power-on process, thereby reducing the risk of accidents and damage.
Implementation Method 1
a multiplicity of active positioning sensors (e.g., active or passive RFID devices, smartphones or watches, blue-tooth device, etc.)
Implementation Method 2
The sensors are configured to detect the location an object relative to a particular area or volume of space
Data Source
AI summary
Safety systems and methods for tracking objects such as personnel and tools during a vehicle build process and activating an alarm when the tracked object is within a safety zone where such presence is not permitted under the current circumstances. The safety system includes a multiplicity of active positioning sensors configured to detect the presence of an object at a particular distance from or within a particular area or volume of space and a controller configured to use sensor data to calculate the virtual location of each sensed object relative to a virtual computer-aided design map of the as-built aircraft design. In response to detection of the presence of an object in unacceptable proximity to or within a particular safety zone of the vehicle, an alarm is activated and the planned build process is altered.