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무인항공기 이동 목표물 추적 비행 및 착륙 성능 개선을 위한 입력 신호 변형 기반의 제어 보조 시스템

Input Signal Transformation Based Control Assistant System for UAV Moving Target Tracking and Landing Performance Improvement

Journal of the Korean Society for Precision Engineering 2022;39(2):131-141.
Published online: February 1, 2022

1 금오공과대학교 기계공학과

2 금오공과대학교 기계시스템공학과

1 Department of Mechanical Engineering, Kumoh National Institute of Technology

2 Department of Mechanical System Engineering, Kumoh National Institute of Technology

#E-mail: bschu@kumoh.ac.kr, TEL: +82-54-478-7398
• Received: August 20, 2021   • Revised: November 25, 2021   • Accepted: November 30, 2021

Copyright © The Korean Society for Precision Engineering

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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  • Autonomous Landing of Unmanned Aerial Vehicles on Sloped Terrain Using Deep Reinforcement Learning with Separated Replay Buffer
    Junsoo Baek, Junyoung Kwak, Hyunbin Park, Baeksuk Chu
    International Journal of Precision Engineering and Manufacturing.2026;[Epub]     CrossRef

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Input Signal Transformation Based Control Assistant System for UAV Moving Target Tracking and Landing Performance Improvement
J. Korean Soc. Precis. Eng.. 2022;39(2):131-141.   Published online February 1, 2022
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Input Signal Transformation Based Control Assistant System for UAV Moving Target Tracking and Landing Performance Improvement
J. Korean Soc. Precis. Eng.. 2022;39(2):131-141.   Published online February 1, 2022
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Input Signal Transformation Based Control Assistant System for UAV Moving Target Tracking and Landing Performance Improvement
Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image
Fig. 1 PX4 quadcopter control block diagram4 (Adapted from Ref. 4 on the basis of OA)
Fig. 2 ArUco marker used in this research
Fig. 3 ArUco marker recognize process
Fig. 4 Parameters used for ArUco marker recognition
Fig. 5 The shape of IST according to parameter conditions
Fig. 6 Step and Ramp response of PID controller without IST and PID controller with IST
Fig. 7 Quadcopter moving target tracking control block diagram
Fig. 8 ROS message flow chart for quadcopter moving target tracking and landing system
Fig. 9 Models used in simulation
Fig. 10 Mobile base with ArUco marker in simulation environment
Fig. 11 Quadcopter operating scenario
Fig. 12 Starting point of quadcopter in fixed target tracking and landing simulation
Fig. 13 Simulation results of fixed target tracking
Fig. 14 Starting points of quadcopter and direction of moving target in tracking and landing simulation
Fig. 15 Simulation results of low-speed target tracking and landing with a quadcopter starting at (-10, -10) and target moving toward the +X-axis direction
Fig. 16 Simulation results of low-speed target tracking and landing using IST
Fig. 17 Simulation results in case of high-speed target tracking and landing, quadcopter starting at (-10, -10), target moving on the +X-axis direction
Fig. 18 Simulation result of high speed target tracking and landing using IST
Input Signal Transformation Based Control Assistant System for UAV Moving Target Tracking and Landing Performance Improvement
Min [m] Max [m] Mean [m]
X axis 0.00002 0.1285 0.0461
Y axis 0.00008 0.2265 0.0852
Step Ramp
Kp 1.2 (Simulink default)
Ki 22 (Simulink default)
Kd 0.02 (Simulink default)
Pmax 1 2
Pmin 0.25 0.25
Pi 0.22 0.1
Pg 15 8
Step response
PID without IST PID with IST
Rise time [s] 0.065 0.161
Overshoot [%] 27.18 1.04
Settling time [s] 0.621 0.460
Ramp response
PID without IST PID with IST
Steady state error 0.0455 0.0227
Table 1 The error of position estimation using ArUco marker
Table 2 The parameters used in simulation of step and ramp response
Table 3 Step and ramp responses of PID controller without IST and PID controller with IST