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자율주행 차량의 고속 주행 안정성 향상을 위한 곡률 기반 경로 추종 제어 알고리즘 개발 및 검증

Development and Verification of Curvature-based Path Tracking Control Algorithm to Enhance High Speed Driving Stability in Autonomous Vehicles

Journal of the Korean Society for Precision Engineering 2024;41(6):435-449.
Published online: June 1, 2024

1 전북대학교 대학원 전자정보공학부

2 한국생산기술연구원 특수목적로봇그룹

1 School of Electronic Information Engineering, Graduate School, Jeonbuk National University

2 Korea Institute of Industrial Technology Specialized Machinery and Robotics Group

#E-mail: wgk@kitech.re.kr, TEL: +82-2-123-4567
• Received: January 31, 2024   • Revised: April 26, 2024   • Accepted: April 29, 2024

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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  • Adaptive fault detection and reconstruction of GNSS-based yaw angle for lateral functional safety of autonomous vehicles
    Hyunggyu Kim, Kyeongdae Kim, Wongun Kim
    Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering.2026;[Epub]     CrossRef

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Development and Verification of Curvature-based Path Tracking Control Algorithm to Enhance High Speed Driving Stability in Autonomous Vehicles
J. Korean Soc. Precis. Eng.. 2024;41(6):435-449.   Published online June 1, 2024
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Development and Verification of Curvature-based Path Tracking Control Algorithm to Enhance High Speed Driving Stability in Autonomous Vehicles
J. Korean Soc. Precis. Eng.. 2024;41(6):435-449.   Published online June 1, 2024
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Development and Verification of Curvature-based Path Tracking Control Algorithm to Enhance High Speed Driving Stability in Autonomous Vehicles
Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image
Fig. 1 Lateral bicycle model of the vehicle for lateral dynamics
Fig. 2 Path tracking error model
Fig. 3 Input steering angle
Fig. 4 Compare side slip angle for validation
Fig. 5 Compare yaw rate for validation
Fig. 6 Preview distance for vehicle speed
Fig. 7 Comparison of preview distance and look-ahead distance
Fig. 8 Curvature on reference path
Fig. 9 Geometry of a turning vehicle
Fig. 10 Overall system architecture
Fig. 11 Control system architecture of the proposed algorithm
Fig. 12 Creation of a driving path using waypoints in CARLA Town05
Fig. 13 Heading & lateral distance error with steering at a vehicle speed of 30 kph in Town05
Fig. 14 Heading & lateral distance error with steering at a vehicle speed of 60 kph in Town05
Fig. 15 Odometry of the path tracking algorithm and heading & lateral distance error at 30 & 60 kph over curvature in Town05
Fig. 16 Creation of a driving path using waypoints in CARLA Town04
Fig. 17 Heading & lateral distance error with steering at a vehicle speed of 30 kph in Town04
Fig. 18 Heading & lateral distance error with steering at a vehicle speed of 60 kph in Town04
Fig. 19 Odometry of the path tracking algorithm and heading & lateral distance error at 30 & 60 kph over Curvature in Town04
Fig. 20 Creation of a driving path using waypoints in CARLA Town05-inner map
Fig. 21 CARLA Town05-inner map curvature and vehicle speed
Fig. 22 Heading & lateral distance error of δfb + δff in CARLA Town05 inner map for curvature and speed of vehicle
Fig. 23 Odometry of the path tracking algorithm and heading & lateral distance error over curvature in Town05 inner
Development and Verification of Curvature-based Path Tracking Control Algorithm to Enhance High Speed Driving Stability in Autonomous Vehicles
Definition symbol Value [unit]
m 1,800 [kg]
Iz 2,800 [kg·m2]
Cf , Cr 55,000 [N·rad-1]
Lf 1.15 [m]
Lr 1.55 [m]
Lateral distance Heading angle
30 kph (PP) 0.197 [m] 0.042 [rad]
2.406 [deg]
30 kph (Stanley) 0.412 [m] 0.091 [rad]
5.213 [deg]
30 kph (δfb) 0.021 [m] 0.007 [rad]
0.401 [deg]
30 kph (δfbff) 0.011 [m] 0.002 [rad]
0.114[deg]
Lateral distance Heading angle
60 kph (PP) 0.351 [m] 0.051 [rad]
2.922 [deg]
60 kph (Stanley) 0.576 [m] 0.076 [rad]
4.354 [deg]
60 kph (δfb) 0.128 [m] 0.012 [rad]
0.687 [deg]
60 kph (δfbff) 0.01 [m] 0.008 [rad]
0.458 [deg]
Lateral distance Heading angle
30 kph (PP) 0.161 [m] 0.034 [rad]
1.948 [deg]
30 kph (Stanley) 0.295 [m] 0.068 [rad]
3.896 [deg]
30 kph (δfb) 0.016 [m] 0.005 [rad]
0.286 [deg]
30 kph (δfbff) 0.008 [m] 0.001 [rad]
0.057 [deg]
Lateral distance Heading angle
60 kph (PP) 0.276 [m] 0.042 [rad]
2.406 [deg]
60 kph (Stanley) 0.433 [m] 0.061 [rad]
3.495 [deg]
60 kph (δfb) 0.103 [m] 0.01 [rad]
0.572 [deg]
60 kph (δfbff) 0.009 [m] 0.006 [rad]
0.343 [deg]
Curvature Vehicle speed
0.05-0.086 [rad] 20 [km/h]
0.016-0.05 [rad] 30 [km/h]
0.005-0.016 [rad] 45 [km/h]
0-0.005 [rad] 60 [km/h]
Lateral distance Heading angle
20-60 kph
fb)
0.131 [m] 0.033 [rad]
1.89 [deg]
20-60 kph
fbff)
0.041 [m] 0.013 [rad]
0.744 [deg]
Table 1 Main vehicle parameters
Table 2 Heading & lateral distance error RMS at vehicle speed of 30 kph in Town05
Table 3 Heading & lateral distance error RMS at vehicle speed of 60 kph in Town05
Table 4 Lateral distance error and heading angle error RMS at vehicle speed of 30 kph in Town04
Table 5 Lateral distance error and heading angle error RMS at vehicle speed of 60 kph in Town04
Table 6 Vehicle speed according to value of curvature
Table 7 Lateral distance error and heading angle error RMS at vehicle speed of 20-60 kph in Town05