Carrier Motion Control for Constant-Angle Object Tracking

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Solution Overview

Problem

Current tracking technologies face challenges in effectively controlling carrying devices to maintain accurate tracking of objects using tracking devices, particularly in dynamic environments where relative relationships and motion information need to be continuously monitored and adjusted.

Innovation Solution

A control method and system that determines the relative relationship between a tracked object and a tracking device, acquires motion information, and controls the movement of a carrying device to ensure the tracking device can effectively track the object, utilizing a processor and storage device to execute instructions for controlling the carrying device's attitude and flight path.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If the carrying device moves to track the tracked object, then the tracking accuracy is improved, but the system complexity increases due to continuous motion control requirements

Engineering Contradiction:
Improvetracking accuracyVSAvoidsystem complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The control device continuously receives motion information from the tracked object and adjusts the carrying device's movement in real-time based on this feedback. This closed-loop control system maintains tracking accuracy by dynamically responding to changes in the tracked object's position and motion state, resolving the contradiction between tracking precision and system complexity through intelligent control rather than mechanical complexity

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system autonomously determines the carrying device's movement based on acquired motion information without requiring external intervention. The control device automatically processes tracking data and generates control commands, enabling the system to self-regulate and maintain accurate tracking while reducing operational complexity

Inventive Principle:
Principle #25Self-service

2Reliability

If the carrying device continuously adjusts its position to maintain tracking, then the tracking reliability is improved, but the energy consumption increases

Engineering Contradiction:
Improvetracking reliabilityVSAvoidenergy consumption
Core Design Contradiction:
ReliabilityVSUse of energy by moving object

Solution Approach 1:

The control device dynamically adjusts the carrying device's motion based on real-time tracking requirements. Rather than continuous adjustment, the system optimizes movement patterns to maintain tracking reliability only when necessary, reducing energy consumption by eliminating unnecessary motion while preserving tracking performance through intelligent dynamic control

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system changes operational parameters such as speed, position, and orientation based on acquired motion information. By dynamically adjusting these parameters rather than maintaining constant high-energy operation, the system achieves reliable tracking while optimizing energy consumption through parameter optimization

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS11724805B2Control method, control device, and carrier system
Publication Date: 2023.08.15 SZ DJI TECH CO LTD
  • US11724805B2 patent drawing
  • US11724805B2 patent drawing
  • US11724805B2 patent drawing

AI summary

A control method includes acquiring motion information of a tracked object, and based on the motion information, controlling movement of a carrying device that carries a tracking device to enable the tracking device to track the tracked object while maintaining approximately unchanged an angle between a moving direction of the tracked object and a line connecting the tracked object and the tracking device when the tracked object moves.