UAV Landing Zone Control by Object Type and Position
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Solution Overview
Problem
Existing unmanned aerial vehicle (UAV) control systems restrict landing and takeoff more strictly than necessary, as they do not differentiate between objects that pose a safety risk and those that do not, leading to reduced flexibility and unnecessary restrictions.
Innovation Solution
An UAV control system that includes detection, type identification, and restriction means to differentiate between types of objects and their positions, allowing for flexible landing and takeoff decisions based on the identified object type and position, such as distinguishing between still and moving objects, and packages versus non-packages.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If landing and takeoff are restricted whenever an object is detected by the laser sensor, then safety is improved, but flexibility deteriorates because even objects that do not substantially influence safety (such as fallen leaves or plastic bags) inhibit the unmanned aerial vehicle from landing and taking off
Solution Approach 1:
The detection area is segmented into a first detection area (closer to the port) and a second detection area (farther from the port). Objects detected in different areas trigger different responses: objects in the first detection area result in landing/takeoff restrictions, while objects in the second detection area do not restrict operations. This segmentation allows the system to differentiate between objects that pose significant safety risks and those that do not, thereby maintaining safety while improving flexibility.
2Reliability
If landing and takeoff are restricted more strictly than required, then safety is improved, but productivity deteriorates due to unnecessary restrictions on operations
Solution Approach 1:
Different restriction policies are applied to different spatial locations. The first detection area (near the port) has a strict restriction policy where any detected object prevents landing and takeoff. The second detection area (farther from the port) has a lenient policy where detected objects do not restrict operations. This local differentiation ensures that safety is maintained in critical areas while productivity is preserved in less critical areas, avoiding unnecessary restrictions.
Data Source
AI summary
Detection means of an unmanned aerial vehicle control system is configured to detect an object existing at a location at which at least one of landing or takeoff of an unmanned aerial vehicle is to be performed. Type identification means is configured to identify a type of the object based on a result of detection by the detection means. Restriction means is configured to restrict at least one of landing or takeoff of the unmanned aerial vehicle based on the type identified by the type identification means.