UAV Redundant Remote Control Switching for Link Failure
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current UAV control systems face safety issues due to abnormal connections with remote control devices, leading to loss of control and potential accidents.
Innovation Solution
A method and system that utilize multiple remote control devices and receivers to select and switch between control signals, ensuring redundancy and maintaining control even if one connection becomes abnormal, by using a flight controller to receive and process signals from both main and backup remote control devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a single remote control device is used to control the UAV, then the device complexity is low, but the reliability of control is reduced due to abnormal connections
Solution Approach 1:
The system pre-configures multiple remote control devices and receivers before operation begins. When the primary control connection fails, the system has already prepared backup control channels, allowing immediate switching without delay. This preliminary preparation of redundant control paths resolves the contradiction by ensuring reliability through pre-established alternatives while keeping the activation process simple.
Solution Approach 2:
The patent implements a backup control system that cushions against the harmful effect of connection failures. By having redundant receivers and control devices ready in advance, the system absorbs the shock of connection failures and maintains continuous control capability, thus improving reliability without requiring complex real-time decision-making during failures.
2Reliability
If multiple remote control devices and receivers are used for redundancy control, then the reliability of control is improved, but the device complexity increases
Solution Approach 1:
The patent merges multiple control devices and receivers into a unified control system with a single movable object controller that processes signals from multiple sources. This consolidation approach improves reliability by incorporating redundant control paths while managing complexity through centralized signal processing and selection logic within the controller.
Solution Approach 2:
The movable object controller is designed with multi-functionality to handle control signals from multiple different remote control devices and receivers. It can selectively process and execute commands from any active control source, making the system universal in its ability to accept various control inputs while maintaining a single point of decision-making, thus balancing reliability improvement with complexity management.
Data Source
AI summary
A method includes establishing a first wireless connection between a movable object and a first remote control device, and establishing a second wireless connection between the movable object and at least one second remote control device. The method also includes selecting, based on a determination that the first wireless connection is normal, a first control signal received from the first remote control device to control the movable object. The method further includes selecting, based on a determination that the first wireless connection is abnormal and that the second wireless connection is normal, a second control signal received from the at least one second remote control device to control the movable object.