Fault-Tolerant Control of Automated Guided Vehicle Under Centroid Variation

Aiming at stability and safety problems caused by the actuator failure of the automated guided vehicle under the condition of centroid position change. The four-wheel independent drive four-wheel independent steer (4WID/4WIS) AGV is studied for fault-tolerant control of single-wheel drive actuators...

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Main Authors: Qingjie Zhang, Wei Liu, Ping Liu
Format: Article
Language:English
Published: IEEE 2022-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/9810213/
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author Qingjie Zhang
Wei Liu
Ping Liu
author_facet Qingjie Zhang
Wei Liu
Ping Liu
author_sort Qingjie Zhang
collection DOAJ
description Aiming at stability and safety problems caused by the actuator failure of the automated guided vehicle under the condition of centroid position change. The four-wheel independent drive four-wheel independent steer (4WID/4WIS) AGV is studied for fault-tolerant control of single-wheel drive actuators under the centroid position variation condition. First, 3-DOF vehicle model, drive-wheel dynamics model, HSRI tire model, and the actuator loss of effectiveness model established. Second, a hierarchical controller is designed with an optimal input controller based on Model Predictive Control (MPC) theory of the upper layer, a desired yaw moment solver based on fuzzy theory of the middle layer, and a torque reconstruction controls distributor based on the control gain in the lower layer. Then, the AGV is simulated and analyzed in straight line and double line change conditions. The simulation results show that the yaw rate and the centroid sideslip angle can closely track the theoretical value. The difference between the theoretical value is kept within 5%. Finally, the 4WID/4WIS AGV prototype vehicle was developed and tested for straight-line and double-lane change condition. The difference between simulation and experiment was within 4%. The experimental results show that the designed controller is effective.
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spelling doaj.art-d66860b16a394363a45fd01d3f5e720d2022-12-22T02:34:02ZengIEEEIEEE Access2169-35362022-01-0110689956900910.1109/ACCESS.2022.31870319810213Fault-Tolerant Control of Automated Guided Vehicle Under Centroid VariationQingjie Zhang0https://orcid.org/0000-0002-9972-2040Wei Liu1https://orcid.org/0000-0003-1982-829XPing Liu2https://orcid.org/0000-0002-4146-2952School of Automotive Engineering, Yancheng Institute of Technology, Yancheng, ChinaSchool of Automotive Engineering, Yancheng Institute of Technology, Yancheng, ChinaSchool of Automotive Engineering, Yancheng Institute of Technology, Yancheng, ChinaAiming at stability and safety problems caused by the actuator failure of the automated guided vehicle under the condition of centroid position change. The four-wheel independent drive four-wheel independent steer (4WID/4WIS) AGV is studied for fault-tolerant control of single-wheel drive actuators under the centroid position variation condition. First, 3-DOF vehicle model, drive-wheel dynamics model, HSRI tire model, and the actuator loss of effectiveness model established. Second, a hierarchical controller is designed with an optimal input controller based on Model Predictive Control (MPC) theory of the upper layer, a desired yaw moment solver based on fuzzy theory of the middle layer, and a torque reconstruction controls distributor based on the control gain in the lower layer. Then, the AGV is simulated and analyzed in straight line and double line change conditions. The simulation results show that the yaw rate and the centroid sideslip angle can closely track the theoretical value. The difference between the theoretical value is kept within 5%. Finally, the 4WID/4WIS AGV prototype vehicle was developed and tested for straight-line and double-lane change condition. The difference between simulation and experiment was within 4%. The experimental results show that the designed controller is effective.https://ieeexplore.ieee.org/document/9810213/4WID/4WISMPCfault-tolerant controldrive torque reconstructioncentroid variation
spellingShingle Qingjie Zhang
Wei Liu
Ping Liu
Fault-Tolerant Control of Automated Guided Vehicle Under Centroid Variation
IEEE Access
4WID/4WIS
MPC
fault-tolerant control
drive torque reconstruction
centroid variation
title Fault-Tolerant Control of Automated Guided Vehicle Under Centroid Variation
title_full Fault-Tolerant Control of Automated Guided Vehicle Under Centroid Variation
title_fullStr Fault-Tolerant Control of Automated Guided Vehicle Under Centroid Variation
title_full_unstemmed Fault-Tolerant Control of Automated Guided Vehicle Under Centroid Variation
title_short Fault-Tolerant Control of Automated Guided Vehicle Under Centroid Variation
title_sort fault tolerant control of automated guided vehicle under centroid variation
topic 4WID/4WIS
MPC
fault-tolerant control
drive torque reconstruction
centroid variation
url https://ieeexplore.ieee.org/document/9810213/
work_keys_str_mv AT qingjiezhang faulttolerantcontrolofautomatedguidedvehicleundercentroidvariation
AT weiliu faulttolerantcontrolofautomatedguidedvehicleundercentroidvariation
AT pingliu faulttolerantcontrolofautomatedguidedvehicleundercentroidvariation