Chassis Coordinated Control for Full X-by-Wire Four-Wheel-Independent-Drive Electric Vehicles

Wang, Zhenpo; Ding, Xiaolin

doi:10.1109/tvt.2022.3222778

Cited by 25 publications

(11 citation statements)

References 52 publications

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“…If Equations ( 11) and ( 12) hold at the same time, the vehicle is stable. If either Equation ( 11) or (12) does not hold, it indicates that the vehicle needs stability control.…”

Section: Vehicle Stability Control Modelmentioning

confidence: 99%

“…Based on the real vehicle platform, static tests were carried out, and the results demonstrated that the control strategy can respond quickly and accurately. In order to improve the handling stability and ride comfort of the vehicle, a full-by-wire chassis coordinated control was proposed in [12], and its effectiveness was verified by a hardware-in-the-loop test. The authors in [13] aimed at the automatic emergency steering function of an intelligent-assisted driving system, and this paper proposed a brake-by-wire system that met its functional requirements and was verified by the simulation.…”

Section: Introductionmentioning

confidence: 99%

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Yaw Moment Control Based on Brake-by-Wire for Vehicle Stbility

Li,

Wang,

Hao

et al. 2023

WEVJ

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This paper presents a new control strategy for vehicle stability based on brake-by-wire. However, there are few studies in the literature that compare the stability of a vehicle by systematic experimentation with or without controllers. In this paper, the complete experimental procedure is designed, and the experimental results are analyzed in detail. Firstly, the hydraulic model of the brake-by-wire is established based on its structure and working principles, and the yaw moment control method is proposed for the vehicle’s stability. The deviation between the desired values and actual values of the yaw rate and sideslip angle is taken as the input, and the fuzzy controller calculates the additional yaw moment for the vehicle stability. Next, the simulation under different conditions which contain the steering wheel step input, double lane change and turning is conducted, and the yaw rates and sideslip angles with and without stability control are compared, and the effectiveness of the control method is verified. Finally, the turning test is conducted based on brake-by-wire chassis to verify the proposed method. The experimental results show that the yaw rate decreased by 14% and the sideslip angle decreased by 25% when the brake control was applied. Furthermore, the proposed method performed well in improving the stability of the brake-by-wire chassis.

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“…If Equations ( 11) and ( 12) hold at the same time, the vehicle is stable. If either Equation ( 11) or (12) does not hold, it indicates that the vehicle needs stability control.…”

Section: Vehicle Stability Control Modelmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Yaw Moment Control Based on Brake-by-Wire for Vehicle Stbility

Li,

Wang,

Hao

et al. 2023

WEVJ

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show abstract

“…The energy consumption during braking processes in different driving cycles is shown in Table 1 [3] , where UDDS and ECE stand for urban dynamometer driving schedule and Economic Commission of Europe, respectively. Therefore, regenerative braking systems (RBS), which could recapture kinetic energy and greatly reduce power consumption [5] , are widely researched in electric or hybrid vehicles [4][5][6] , and brake-by-wire systems [7,8] that support the application of regenerative braking (RB) are investigated as well [7][8][9][10] . Xu et al divided the braking into four different modes for hybrid electric vehicles, and a hierarchical controller is designed to switch the braking mode and to realize optimal efficiency control [11] .…”

Section: Introductionmentioning

confidence: 99%

Integrated control of anti-lock and regenerative braking for in-wheel-motor-driven electric vehicles

Yong,

Dong,

Zhang

et al. 2024

Complex Engineering Systems

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The in-wheel motor is increasingly used in electric vehicles due to the significantly improved controllability, response capability, and energy recovery efficiency based on this technology. However, the independent control of in-wheel motors will lead to braking torque distribution problems, especially in a situation where anti-lock braking systems (ABS) are triggered, which may cause the braking energy to be unrecoverable without the coordinated control between anti-lock and RB for two in-wheel motor-driven electric vehicles based on the RB efficiency map. Control-oriented wheel dynamics and slip ratio models of the system are generated. A sliding mode intervention of regenerative braking (RB) control. This paper presents an integrated algorithm to realize the control-based ABS controller is designed to prevent the wheels from locking and to maintain the slip ratio within a desired level, and the stability and robustness of the controller to uncertainties and disturbances are discussed. Moreover, the braking strength of the driver is calculated and divided into different modes to derive a dynamic braking torque distribution to improve the energy recovery efficiency. The hardware-in-the-loop simulation results show that the recovered energy of the proposed strategy under ABS-triggered maneuver is increased by 52.9% than that of the Proportional, Integral, and Derivative controller and can effectively improve the braking performance and stability.

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“…By utilizing strong tracking unscented Kalman filters and conventional Kalman filters, this system can accurately estimate the longitudinal, lateral, and vertical tire forces, significantly contributing to vehicle safety under critical driving conditions [ 24 ]. A full X-by-wire chassis coordinated control scheme has also been introduced, improving ride comfort, handling performance, and rollover prevention ability [ 25 ]. Moreover, an event-triggered sideslip angle estimator has been designed using low-cost sensors, exhibiting enhanced estimation accuracy and reliability [ 26 ].…”

Section: Introductionmentioning

confidence: 99%

A rollover safety margin-based approach for quantifying the tractor-semitrailers’ emergency lane-changing response on expressway curves

Lv,

Xu,

Gao

2023

PLoS ONE

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In emergency scenarios, lane changing can provide a considerable advantage over braking by aiding in the prevention of rear-end collisions. However, executing lane changes on horizontal curves might lead to rollover collisions. This study proposes a systematic methodology for quantifying the rollover safety margin during lane-changing maneuvers by encompassing the complex characteristics of vehicle-road interactions. Specifically, an enhanced six-degree-of-freedom vehicle dynamics model was developed for a tractor-semitrailer and integrates road superelevation. Using this model, the rollover safety margin reduction rate (fS) was calculated. The fS represents the ratio of the difference between the lateral load transfer ratio margins under both reference state and emergency lane change conditions to the lateral load transfer ratio margin in the reference state. The reference state corresponds to vehicles maintaining 80 km·h-1 on a 270 m radius curve, while the emergency condition is defined as lane change durations of less than 4 seconds. The results reveal that emergency lane change maneuvers and roadway alignment significantly affect rollover safety margin. Shorter lane change duration, higher speed, and smaller radius worsen the rollover safety margin; these effects are further amplified when the lane change direction is opposite to the curve’s bending direction. When the tractor-semitrailer performs a lane change at 60 km·h-1 within a 4-second duration on a 600 m radius curve, the fS exceeds 100%, indicating an imminent rollover. Consequently, this study contributes valuable evidence to the development of more reliable and secure lane-change strategies.

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Chassis Coordinated Control for Full X-by-Wire Four-Wheel-Independent-Drive Electric Vehicles

Cited by 25 publications

References 52 publications

Yaw Moment Control Based on Brake-by-Wire for Vehicle Stbility

Yaw Moment Control Based on Brake-by-Wire for Vehicle Stbility

Integrated control of anti-lock and regenerative braking for in-wheel-motor-driven electric vehicles

A rollover safety margin-based approach for quantifying the tractor-semitrailers’ emergency lane-changing response on expressway curves

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