Dynamic Rollover Prediction of Heavy Vehicles Considering Critical Frequency

Ye, Zhansheng; Xie, Weihong; Yin, Yuming; Zhi-jun, FU

doi:10.1007/s42154-020-00099-w

Cited by 13 publications

(10 citation statements)

References 27 publications

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“…The Load Transfer Ratio on each axle (LTRi) is a measure used to determine the wheel separation state of an axle [8,9,17]. Lift-off is the phenomenon in which one side of the wheel on an axle separates from the road surface.…”

Section: Where β0 Is the Initial Roll Angle Of The Vehicle Bodymentioning

confidence: 99%

A Simulation Approach to Investigate the Influence of the Steering Wheel Angle and Vehicle Speed on the Rollover of a 4-Axle Truck Vehicle During Turning on Wet Asphalt Road

Hung,

Khanh

2024

Preprint

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The article aims to investigate the influence of vehicle speed and steering wheel angle on the rollover condition of a 4-axle truck vehicle. A 30-degree-of-freedom (DOF) dynamic model of a 4-axle truck is established using the Multi-body system method and the Newton-Euler equation system. The vehicle body is described with 6 DOF in its center. Additionally, 2 DOFs are used to describe the roll motion of the front and rear masses of the vehicle body, taking into account the influence of the torsional stiffness of the vehicle frame on vehicle dynamics. The Burckhardt tire model is used to calculate the interaction forces between tires and the road, using experimental coefficients corresponding to wet asphalt roads with a maximum adhesion coefficient of 0.8. The simulation uses MATLAB-Simulink, with a speed range of 5 to 65 km/h and a steering wheel rotation angle ranging from 25 degrees to 300 degrees. At 60km/h, the maximum lateral acceleration reached 4,503 m/sec2 when simulated with a steering wheel angle of 175 degrees. The results have determined the vehicle rollover region based on the signs of the load transfer ratio of the axle and the entire vehicle. Together with the results of lateral acceleration, yaw rate, and roll angle of the vehicle, this result can be used to propose dynamic thresholds for designing early warning systems and anti-rollover control systems for multi-axle truck vehicles.

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Section: Where β0 Is the Initial Roll Angle Of The Vehicle Bodymentioning

confidence: 99%

A Simulation Approach to Investigate the Influence of the Steering Wheel Angle and Vehicle Speed on the Rollover of a 4-Axle Truck Vehicle During Turning on Wet Asphalt Road

Hung,

Khanh

2024

Preprint

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“…This model ignores many other influences that can alter values related to rollover oscillation. Besides, many methods are used to indicate the rollover phenomenon, which has also been shown in several papers [ 14 – 16 ]. As a result, this prediction can generate an alert signal sent to the driver’s smartphone [ 17 ].…”

Section: Introductionmentioning

confidence: 99%

Assessing the dependence of vehicle rollover on many factors based on new 4D graphs

Nguyen

2023

PLoS ONE

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In this paper, the author proposes a novel solution to evaluate the dependence between the maximum roll angle and the minimum vertical force at the wheel on the vehicle’s height and speed. 4D graphs that fully and clearly describe the dependence between parameters are used to replace conventional 2D and 3D graphs. A complex dynamic model is established to describe the vehicle’s oscillations when steering. Calculations and simulations are performed using Simulink® software with many specific cases. In all cases, the input values such as steering angle, speed, and distance from RA (roll axis) to CG (the center of gravity), all change flexibly. According to the paper’s findings, the roll angle will rise once speed or height increases. In addition, the maximum roll angle increases significantly once both the velocity and the height increase. This causes the vertical force at the wheel to drop suddenly, and rollover may occur if this value reduces to zero. 4D graphs provide a more specific and intuitive assessment of vehicle rollovers.

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“…The above techniques can be divided into two types according to the working principle, namely, steering control and drive or brake control. The steering control approach, i.e., AFS and ARS, can directly affect the lateral motion and yaw motion of vehicles, but the drive or brake control approach, i.e., TVC and DYC, must coordinate the longitudinal motion and lateral motion, which increase the control system complexity and create a challenge for the torque allocation algorithm [6,7]. As for the AFS technique, the machine and human driver must address the shared control of the front steering system [8,9].…”

Section: Introductionmentioning

confidence: 99%

Towards Active Safety Driving: Controller Design of an Active Rear Steering System for Intelligent Vehicles

Hang

Chen

2022

Machines

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To advance the active safety performance for vehicles, especially in extreme conditions, an active rear steering (ARS) control system is designed in this paper. A driver model is established to simulate the driving behaviour of a human driver who is in charge of the front steering control. In the ARS control system, the sliding mode predictive control (SMPC) approach is applied to the ARS controller design based on a 3 degrees of freedom (DoF) nonlinear vehicle model. In the ARS controller design, four kinds of active safety performances are considered, namely, path-tracking performance, handling performance, lateral stability, and rollover prevention. Furthermore, the priority of the four kinds of active safety performance is defined. According to the control priority, an event-triggered mechanism (ETM) is designed to adjust the SMPC controller of the ARS system to address different driving conditions. Finally, two simulation cases are conducted to evaluate the performance of the proposed ARS system. The results show that the ARS system is in favour of the active safety performance advancement for human drivers. Additionally, the comparative simulation indicates that the SMPC algorithm is superior to the fast terminal sliding mode control (FTSMC) algorithm.

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Dynamic Rollover Prediction of Heavy Vehicles Considering Critical Frequency

Cited by 13 publications

References 27 publications

A Simulation Approach to Investigate the Influence of the Steering Wheel Angle and Vehicle Speed on the Rollover of a 4-Axle Truck Vehicle During Turning on Wet Asphalt Road

A Simulation Approach to Investigate the Influence of the Steering Wheel Angle and Vehicle Speed on the Rollover of a 4-Axle Truck Vehicle During Turning on Wet Asphalt Road

Assessing the dependence of vehicle rollover on many factors based on new 4D graphs

Towards Active Safety Driving: Controller Design of an Active Rear Steering System for Intelligent Vehicles

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