UAV Control Mode Switching With Non-Centering Stick Feedback
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Solution Overview
Problem
Existing unmanned aerial vehicles (UAVs) face challenges in providing a control strategy that is both safe and convenient for professional users, with a need for improved flight experience and safety.
Innovation Solution
A control method and system that allows switching between a first control mode for stable, safe flight and a second control mode for more dynamic maneuvers, utilizing non-centering operation members to prevent automatic return to initial positions, enhancing user control and safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the operation member automatically returns to the initial position (centering status), then the UAV maintains stable position/attitude, but the user cannot perform dynamic maneuvers requiring sustained deviation from initial position
Solution Approach 1:
The system dynamically switches between two control modes: centering status for stable flight and non-centering status for dynamic maneuvers. The operation member's behavior changes from automatically returning to initial position to maintaining sustained deviation, allowing the UAV to adapt between stability and maneuverability requirements
2Ease of operation
If the operation member is in non-centering status for dynamic maneuvers, then the UAV can perform aggressive flights, but the risk of unexpected accelerations increases
Solution Approach 1:
The system provides feedback to the user about the current status (centering or non-centering) of the operation member. This feedback mechanism ensures the user is aware of the control mode, preventing unexpected accelerations by making the system state transparent and controllable
3Adaptability or versatility
If the UAV switches between control modes frequently, then the user experience is enhanced, but the control system complexity increases
Solution Approach 1:
The operation member serves multiple functions: it can be in centering status for stable flight control or non-centering status for dynamic maneuvers. This multi-functionality is achieved through a status switching mechanism that allows the same hardware component to operate in different control modes without requiring separate control systems
Data Source
AI summary
A control method includes in response to a mode switch operation of a user, switching to a first control mode or a second control mode, in response to a position adjustment of an operation member of a control terminal, adjusting a position or an attitude of an aerial vehicle in a control direction corresponding to the operation member, in the first control mode, in response to the operation member being at a preset first initial position, controlling the aerial vehicle to maintain the position or the attitude unchanged in the control direction, and in the second control mode, in response to the aerial vehicle being in an initial status in the control direction and the operation member being in a preset second initial position different from the first initial position, controlling the aerial vehicle to maintain the position or the attitude unchanged in the control direction.