Terminal Attitude Control for Multi-Axis Payload Positioning
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Solution Overview
Problem
Conventional surveillance systems, such as unmanned aerial vehicles and other movable objects, are limited in their ability to adjust the position or posture of payloads relative to the vehicle, restricting their flexibility and functionality, especially in surveillance operations where dynamic camera angles are necessary.
Innovation Solution
A method and system for remotely controlling the positioning of a payload relative to a movable object, allowing movement about one or more axes of rotation via a carrier and actuation in response to signals from a remote terminal, enabling pitch, roll, and yaw adjustments, and potentially integrating with image capturing devices for real-time image display and control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the payload is directly coupled to the movable object, then the structure is simple and reliable, but the flexibility and functionality for adjusting position or posture are limited
Solution Approach 1:
The patent applies the dynamics principle by introducing a carrier system with gimbal platforms that enable dynamic adjustment of the payload's position and posture relative to the movable object. The carrier includes rotating mechanisms about multiple axes (pitch, roll, yaw) that allow the payload to be repositioned dynamically during operation, transforming a static direct-coupling structure into a dynamically adjustable system.
2Adaptability or versatility
If conventional camera mounting is used, then the device complexity is low, but the shooting angles cannot change relative to the aerial vehicle
Solution Approach 1:
The patent applies segmentation by dividing the mounting system into separate functional components: a carrier platform, gimbal mechanisms with multiple rotation axes, and the payload itself. This segmentation allows independent control of each component, enabling the camera to achieve multiple shooting angles by rotating about different axes while keeping the aerial vehicle structure relatively simple.
Solution Approach 2:
The carrier acts as an intermediary device between the aerial vehicle and the payload. It includes gimbal platforms that serve as intermediate rotating structures, allowing the payload to change orientation independently of the vehicle's motion, thereby providing variable shooting angles without directly modifying the vehicle structure.
3Ease of operation
If remote control capability is added to adjust payload position, then the operational effectiveness is improved, but the device complexity increases
Solution Approach 1:
The patent applies self-service by implementing automatic control mechanisms where the system can autonomously adjust the payload's position and posture based on pre-programmed sequences or real-time sensor feedback. The carrier includes actuators and control systems that automatically execute positioning commands, reducing the need for complex manual remote control operations while maintaining operational effectiveness.
Solution Approach 2:
The patent incorporates feedback mechanisms where sensors detect the payload's position and orientation, and this information is fed back to the control system. The control system then automatically adjusts the carrier's actuators to achieve the desired payload positioning, creating a closed-loop control system that simplifies remote operation while improving precision.
Data Source
AI summary
A method of controlling a movable object includes receiving, from a user interface of a terminal, selection of a mode from a plurality of modes that include at least one of an angle-to-angle control mode, an angle-to-speed control mode, or an angle-to-acceleration control mode; detecting, by a sensor of the terminal, an attitude of the terminal; and generating, at the terminal, a control signal configured to control a rotational attribute of the movable object based on the selected mode and the detected attitude of the terminal.