A Novel Control Strategy of Crosswind Disturbance Compensation for Rack-Type Motor Driven Power Steering (R-MDPS) System

The wind suddenly blown to the side of the car (i.e, cross-wind effect) is considered as one of the major lateral disturbances, which causes the unstable motion of the vehicle and the persistent driving fatigue for the driver who tracks the desired travel path. In particular, a commercial vehicle ha...

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Main Authors: Daeyi Jung, Soram Kim
Format: Article
Language:English
Published: IEEE 2022-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/9965386/
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author Daeyi Jung
Soram Kim
author_facet Daeyi Jung
Soram Kim
author_sort Daeyi Jung
collection DOAJ
description The wind suddenly blown to the side of the car (i.e, cross-wind effect) is considered as one of the major lateral disturbances, which causes the unstable motion of the vehicle and the persistent driving fatigue for the driver who tracks the desired travel path. In particular, a commercial vehicle having a large side area is greatly affected by this effect. Therefore, many related automotive/car manufacturers still wish to equip their Advanced Driving Assistant System (ADAS) with the crosswind disturbance compensation control system. Meanwhile, in recent advanced vehicle systems, a rack-type motor-driven power steering (R-MDPS) system is more widely used than a column-type MDPS (C-MDPS) due to the structural advantage and the effective steering assistance. Recognizing those two issues, this paper investigates a novel anti-control and estimation strategy of crosswind disturbance for the R-MDPS system of vehicles with non-negligible side surfaces. Specifically, an adaptive disturbance observer (D.O.B) has been proposed to estimate the crosswind effect. Furthermore, using optimal control theory, the compensation control system is designed to assist the driver in two possible situations. One is for when the driver continues to steer the vehicle under the effect of the crosswind, and the other is for when the driver temporarily loses steering control due to the effect. In addition, the control mode selection conditions between two controls are clearly presented to maximize the efficiency and performance of the proposed control system, which has not yet been sufficiently investigated. Finally, the effectiveness of the proposed control system has been evaluated based on Simulink/Carsim Co-simulation and HILS environments.
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spelling doaj.art-7e50722302164cc6987a74c5384de0112022-12-22T04:17:35ZengIEEEIEEE Access2169-35362022-01-011012514812516610.1109/ACCESS.2022.32253599965386A Novel Control Strategy of Crosswind Disturbance Compensation for Rack-Type Motor Driven Power Steering (R-MDPS) SystemDaeyi Jung0https://orcid.org/0000-0002-2043-7045Soram Kim1https://orcid.org/0000-0002-7739-615XSchool of Mechanical and Automotive Engineering, Kunsan National University, Gunsan, South KoreaSchool of Mechanical and Automotive Engineering, Kunsan National University, Gunsan, South KoreaThe wind suddenly blown to the side of the car (i.e, cross-wind effect) is considered as one of the major lateral disturbances, which causes the unstable motion of the vehicle and the persistent driving fatigue for the driver who tracks the desired travel path. In particular, a commercial vehicle having a large side area is greatly affected by this effect. Therefore, many related automotive/car manufacturers still wish to equip their Advanced Driving Assistant System (ADAS) with the crosswind disturbance compensation control system. Meanwhile, in recent advanced vehicle systems, a rack-type motor-driven power steering (R-MDPS) system is more widely used than a column-type MDPS (C-MDPS) due to the structural advantage and the effective steering assistance. Recognizing those two issues, this paper investigates a novel anti-control and estimation strategy of crosswind disturbance for the R-MDPS system of vehicles with non-negligible side surfaces. Specifically, an adaptive disturbance observer (D.O.B) has been proposed to estimate the crosswind effect. Furthermore, using optimal control theory, the compensation control system is designed to assist the driver in two possible situations. One is for when the driver continues to steer the vehicle under the effect of the crosswind, and the other is for when the driver temporarily loses steering control due to the effect. In addition, the control mode selection conditions between two controls are clearly presented to maximize the efficiency and performance of the proposed control system, which has not yet been sufficiently investigated. Finally, the effectiveness of the proposed control system has been evaluated based on Simulink/Carsim Co-simulation and HILS environments.https://ieeexplore.ieee.org/document/9965386/Lateral disturbance compensation controlrack-type motor driven power steering system (R-MDPS)crosswind effectvehicle dynamicsdisturbance observer (DOB)Carsim
spellingShingle Daeyi Jung
Soram Kim
A Novel Control Strategy of Crosswind Disturbance Compensation for Rack-Type Motor Driven Power Steering (R-MDPS) System
IEEE Access
Lateral disturbance compensation control
rack-type motor driven power steering system (R-MDPS)
crosswind effect
vehicle dynamics
disturbance observer (DOB)
Carsim
title A Novel Control Strategy of Crosswind Disturbance Compensation for Rack-Type Motor Driven Power Steering (R-MDPS) System
title_full A Novel Control Strategy of Crosswind Disturbance Compensation for Rack-Type Motor Driven Power Steering (R-MDPS) System
title_fullStr A Novel Control Strategy of Crosswind Disturbance Compensation for Rack-Type Motor Driven Power Steering (R-MDPS) System
title_full_unstemmed A Novel Control Strategy of Crosswind Disturbance Compensation for Rack-Type Motor Driven Power Steering (R-MDPS) System
title_short A Novel Control Strategy of Crosswind Disturbance Compensation for Rack-Type Motor Driven Power Steering (R-MDPS) System
title_sort novel control strategy of crosswind disturbance compensation for rack type motor driven power steering r mdps system
topic Lateral disturbance compensation control
rack-type motor driven power steering system (R-MDPS)
crosswind effect
vehicle dynamics
disturbance observer (DOB)
Carsim
url https://ieeexplore.ieee.org/document/9965386/
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