UAV Control Modes for Live Object Proximity Safety
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Solution Overview
Problem
Unmanned vehicles, such as UAVs, face challenges in safely and effectively operating in environments with live objects, requiring advanced control systems to detect and interact with humans or animals while avoiding collisions and ensuring safe operation modes.
Innovation Solution
A system that detects live objects using sensors and adjusts operation modes to apply appropriate control schemes, including safe and interactive modes, to manage UAV movement and interaction, employing different control logics and component operation modes based on the presence and proximity of live objects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the UAV operates in normal mode with full mobility, then productivity and mission completion speed are improved, but the risk of collision with live objects increases
Solution Approach 1:
The control scheme dynamically switches between normal operation mode and safe operation mode based on the detection of live objects. When no live objects are detected, the UAV operates in normal mode with full mobility for high productivity. When live objects are detected, the system transitions to safe mode with restricted movement capabilities to eliminate collision risk, thus adapting the operation mode in real-time to balance productivity and safety.
2Reliability
If the UAV applies restrictive control schemes to ensure safety, then collision prevention is improved, but operational flexibility and ease of operation deteriorate
Solution Approach 1:
The control system is segmented into multiple independent operation modes (normal mode, safe mode, hover mode) with distinct control characteristics. Each mode has its own control scheme tailored to specific operational requirements. The system can switch between these segmented modes based on the detection of live objects, allowing full operational flexibility in normal mode while providing restricted but safe control in safe mode, thus maintaining operational flexibility through mode selection rather than permanent restriction.
3Reliability
If the UAV adds live object detection and control switching capabilities, then safety and adaptability are improved, but device complexity increases
Solution Approach 1:
The control system is designed with multi-functionality to handle both normal operation and safe operation requirements within a single integrated framework. The same control architecture supports multiple operation modes (normal, safe, hover) and can perform both mission execution and collision avoidance functions. This universal design reduces the need for separate dedicated systems for each function, thereby managing complexity while achieving improved safety and adaptability through mode-based control switching.
Data Source
AI summary
A method for controlling a movable object includes detecting a live object within a proximity of the movable object, determining an operation mode to operate the movable object with the live object detected within the proximity of the movable object, and applying a control scheme associated with the operation mode to control an operation of the movable object.