Laser Tail Dock Anti-Collision System for Aircraft Alignment
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Solution Overview
Problem
Aircraft damage during insertion into tail dock facilities is predominantly caused by off-centerline or improper insertion, with procedural issues and obstacle interactions contributing to the problem.
Innovation Solution
A laser-based tail dock anti-collision system utilizing lateral alignment sensors and backup tracking sensors, in conjunction with a central processing unit and a handheld app, to guide the aircraft into the tail dock facility, ensuring proper alignment and clearance before insertion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional manual guidance methods are used for aircraft insertion into tail dock facilities, then operational simplicity is maintained, but aircraft damage occurs due to off-centerline positioning and improper alignment
Solution Approach 1:
The guidance system is divided into separate functional components: lateral alignment sensors positioned at the tail dock to measure horizontal and vertical offsets from centerline, backup tracking sensors to monitor aircraft position, and a processing system to calculate and communicate alignment data. This segmentation allows each component to perform its specific function efficiently while maintaining overall system reliability.
Solution Approach 2:
The system introduces an intermediary guidance system between the aircraft and tail dock, using laser-based sensors to measure alignment and a processing system to interpret data. This intermediary provides real-time feedback to operators, enabling precise positioning without direct physical contact with the aircraft, thereby preventing damage while managing complexity through automated measurement and communication.
2Measurement precision
If laser-based alignment sensors are implemented to monitor centerline positioning, then alignment precision is improved, but system complexity and cost increase
Solution Approach 1:
The laser-based alignment sensors serve multiple functions: they measure both horizontal and vertical offsets from the centerline, provide real-time feedback during the insertion process, and work in conjunction with backup tracking sensors to comprehensively monitor aircraft position. This multi-functionality justifies the investment in precision measurement technology by delivering comprehensive alignment data from a single sensor system.
Solution Approach 2:
The system continuously measures alignment using laser sensors and provides real-time feedback to operators through processed data indicating horizontal and vertical offsets from centerline. This feedback loop enables operators to make immediate corrections to maintain precise alignment, significantly improving measurement utility and aircraft safety while the automated data processing helps manage system complexity.
3Reliability
If backup tracking sensors are added to monitor aircraft progress to the stopping point, then collision prevention is improved, but device complexity increases
Solution Approach 1:
Backup tracking sensors are positioned in advance at the tail dock to monitor aircraft approach and progress toward the stopping point before insertion. This preliminary monitoring allows operators to detect potential collisions early and take corrective action, preventing damage before it occurs. The sensors are integrated into the existing guidance system, managing complexity through unified data processing.
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 significantly reduces aircraft damage by providing real-time alignment feedback and stop conditions, preventing collisions and ensuring safe insertion procedures.
Implementation Method 1
lateral alignment laser-based sensors utilized to establish how far the vertical stabilizer of the aircraft is from the tail dock centerline
Implementation Method 2
laser-based sensors utilized to establish how far the vertical stabilizer of the aircraft is from the tail dock centerline
Data Source
AI summary
A tail dock anti-collision system for augmenting positioning of an aircraft in a maintenance facility which comprises lateral alignment sensors disposed on opposing sides of the aircraft and a backup tracking sensor directed toward the tail section. A processor, for example a programmable logic controller, is coupled to, and operatively controls, the sensors to provide an indication to a principal guide of the aircraft docking procedure of the relative position of the aircraft with respect to a centerline and platform of the maintenance facility.