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<p>Compared to the rigid cargo trucks, articulated tank trucks (ATTs) have poorer handling and stability properties because of the fluid sloshing in the tank. Since ATTs are commonly used for transporting hazardous chemicals, a rollover accident can have very serious consequences. In this study, a rollover warning system and a lateral stability control strategy are designed to enhance the stability of the ATTs. First, the accuracy of the trammel pendulum (TP) sloshing model to simulate the lateral sloshing of liquid in tank trucks is analyzed. Based on the established single-mass TP and double-mass TP sloshing models, the lateral impact moments under different operating conditions are compared with the results output by the Fluent numerical model, verifying that the double-mass TP sloshing model can better express the lateral sloshing of liquid in tank trucks. Subsequently, a dynamic model of the six-axle articulated tank truck is constructed based on the double-mass TP sloshing model, and a rollover warning system for the ATT using the time-to-rollover measurement is designed. Then, a stability control strategy is proposed to obtain the additional yaw moments through braking different wheels, and a stability controller for the ATT is designed. Finally, simulation analysis is conducted on the ATT, and the effectiveness of the proposed control strategy and the designed controller are verified under the double lane-change maneuvers at speeds of 70&#xa0;km/h and 80&#xa0;km/h, as well as the fishhook maneuver at 30&#xa0;km/h.</p>

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Lateral Stability Control of Articulated Tank Trucks via Rollover Warning and Differential Braking

  • 期刊论文

  • 发表日期：

    2026年3月13日

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  • Meng Fu,
  • Xiaomei Xu,
  • Yuhao Xiao,
  • Weiwei Wang

摘要

Compared to the rigid cargo trucks, articulated tank trucks (ATTs) have poorer handling and stability properties because of the fluid sloshing in the tank. Since ATTs are commonly used for transporting hazardous chemicals, a rollover accident can have very serious consequences. In this study, a rollover warning system and a lateral stability control strategy are designed to enhance the stability of the ATTs. First, the accuracy of the trammel pendulum (TP) sloshing model to simulate the lateral sloshing of liquid in tank trucks is analyzed. Based on the established single-mass TP and double-mass TP sloshing models, the lateral impact moments under different operating conditions are compared with the results output by the Fluent numerical model, verifying that the double-mass TP sloshing model can better express the lateral sloshing of liquid in tank trucks. Subsequently, a dynamic model of the six-axle articulated tank truck is constructed based on the double-mass TP sloshing model, and a rollover warning system for the ATT using the time-to-rollover measurement is designed. Then, a stability control strategy is proposed to obtain the additional yaw moments through braking different wheels, and a stability controller for the ATT is designed. Finally, simulation analysis is conducted on the ATT, and the effectiveness of the proposed control strategy and the designed controller are verified under the double lane-change maneuvers at speeds of 70 km/h and 80 km/h, as well as the fishhook maneuver at 30 km/h.