Proposing a BSPID Control Strategy Considering External Disturbances for Electric Power Steering (EPS) Systems

EPS systems provide superior efficiency compared to mechanical steering systems. Steering feel and comfort are supported by an electric motor, which is controlled by an appropriate controller. This article introduces an integrated control algorithm for the EPS system with two novel contributions. Fi...

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Main Authors: Duc Ngoc Nguyen, Tuan Anh Nguyen
Format: Article
Language:English
Published: IEEE 2023-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/10363176/
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author Duc Ngoc Nguyen
Tuan Anh Nguyen
author_facet Duc Ngoc Nguyen
Tuan Anh Nguyen
author_sort Duc Ngoc Nguyen
collection DOAJ
description EPS systems provide superior efficiency compared to mechanical steering systems. Steering feel and comfort are supported by an electric motor, which is controlled by an appropriate controller. This article introduces an integrated control algorithm for the EPS system with two novel contributions. Firstly, this algorithm is synthesized based on a backstepping (BS) controller and a proportional integral derivative (PID) controller, called the BSPID controller. The control signals are amplified based on optimal coefficients determined by the loop algorithm. Secondly, a complex steering dynamics model is established based on five state variables that consider the influence of road reaction torque and other external disturbances. According to numerical simulation results, the value of the steering motor and steering column angles increases when using the EPS system instead of the conventional steering system. Under the same driver torque conditions, the variation of output parameters will decrease as the speed increases. On the contrary, the change in output parameters will increase sharply when driver torque increases (under the same speed conditions). The results obtained from the BSPID signal always closely track the reference signal in all investigated conditions with negligible errors, even though the steering system is still subject to external random disturbances.
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spelling doaj.art-821da23276b54fc18ac26f3dfdb7aca22023-12-26T00:05:26ZengIEEEIEEE Access2169-35362023-01-011114323014324910.1109/ACCESS.2023.334391410363176Proposing a BSPID Control Strategy Considering External Disturbances for Electric Power Steering (EPS) SystemsDuc Ngoc Nguyen0https://orcid.org/0000-0002-5319-5222Tuan Anh Nguyen1https://orcid.org/0000-0002-6064-2262Automotive Engineering Department, Thuyloi University, Hanoi, VietnamAutomotive Engineering Department, Thuyloi University, Hanoi, VietnamEPS systems provide superior efficiency compared to mechanical steering systems. Steering feel and comfort are supported by an electric motor, which is controlled by an appropriate controller. This article introduces an integrated control algorithm for the EPS system with two novel contributions. Firstly, this algorithm is synthesized based on a backstepping (BS) controller and a proportional integral derivative (PID) controller, called the BSPID controller. The control signals are amplified based on optimal coefficients determined by the loop algorithm. Secondly, a complex steering dynamics model is established based on five state variables that consider the influence of road reaction torque and other external disturbances. According to numerical simulation results, the value of the steering motor and steering column angles increases when using the EPS system instead of the conventional steering system. Under the same driver torque conditions, the variation of output parameters will decrease as the speed increases. On the contrary, the change in output parameters will increase sharply when driver torque increases (under the same speed conditions). The results obtained from the BSPID signal always closely track the reference signal in all investigated conditions with negligible errors, even though the steering system is still subject to external random disturbances.https://ieeexplore.ieee.org/document/10363176/Backstepping controlPID controlEPS systemsimulationassisted torquedriver torque
spellingShingle Duc Ngoc Nguyen
Tuan Anh Nguyen
Proposing a BSPID Control Strategy Considering External Disturbances for Electric Power Steering (EPS) Systems
IEEE Access
Backstepping control
PID control
EPS system
simulation
assisted torque
driver torque
title Proposing a BSPID Control Strategy Considering External Disturbances for Electric Power Steering (EPS) Systems
title_full Proposing a BSPID Control Strategy Considering External Disturbances for Electric Power Steering (EPS) Systems
title_fullStr Proposing a BSPID Control Strategy Considering External Disturbances for Electric Power Steering (EPS) Systems
title_full_unstemmed Proposing a BSPID Control Strategy Considering External Disturbances for Electric Power Steering (EPS) Systems
title_short Proposing a BSPID Control Strategy Considering External Disturbances for Electric Power Steering (EPS) Systems
title_sort proposing a bspid control strategy considering external disturbances for electric power steering eps systems
topic Backstepping control
PID control
EPS system
simulation
assisted torque
driver torque
url https://ieeexplore.ieee.org/document/10363176/
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AT tuananhnguyen proposingabspidcontrolstrategyconsideringexternaldisturbancesforelectricpowersteeringepssystems