# Research on Rollover Stability and an Anti-Rollover Warning System for the Vibroseis Truck
###### Abstract  
Vibroseis trucks are in danger of rollover during the steering process, which severely threatens the safety of the drivers and the equipment. Therefore, it is important to examine approaches to increase the anti-rollover ability of vibroseis trucks. According to the structural characteristics and working field of the vibroseis truck, an analysis of the influence of different factors on its rollover stability was carried out. Then, a rollover warning index and an anti-rollover warning system were established, which can achieve four levels of judgment of different driving states. A simulation analysis of the anti-rollover warning system was conducted with MATLAB/Simulink software. The results showed that this warning system could accurately determine the driving state on a flat road and a sloping road and produce four types of sound-light alarm according to different rollover states. At the same time, the vibroseis truck showed poor roll stability in the slope steering process which is more prone to rollover accidents. This study establishes a foundation for further research on the design of warning systems not only for vibroseis trucks but also for other articulated trucks. vibroseis truck; rollover stability; warning index; anti-rollover; warning system +
Footnote †: journal: [PERSON]  
et al. [5] proposed a new roll-plane hydraulically interconnected suspension (HIS) system to enhance both the roll and the lateral dynamics of a two-axle bus. In both simulation and measurement, they proposed some basic suspension tuning rules for buses. To improve the overall rollover stability, [PERSON] et al. [6] modified the suspension design by improving the roll stiffness and optimizing the motion ratio, thereby increasing the overall rollover stability. A six-degree-of-freedom rollover model of the triaxle bus was developed by [PERSON] et al. [7], and their results showed that the new method can precisely describe the rollover dynamics of the studied bus. To determine the rollover index, [PERSON] et al. developed [8] a simplified lateral and vertical vehicle dynamic model. The simulation studies showed that the proposed estimation method reduced the parameter uncertainties. To enhance vehicle steerability, lateral stability, or roll stability, [PERSON] et al. [9] developed a vehicle stability control system whose satisfactory performance was verified with simulation. Considering chassis key subsystems, [PERSON] et al. [10] presented an integrated control strategy to improve the rollover ability of a vehicle. The results indicated that their method could greatly improve the anti-rollover ability and lateral stability. To improve the roll stability of an articulated vehicle carrying a liquid, [PERSON] et al. [11] developed an active roll control system with two different control methods. The simulation results showed that this roll control system was more successful in achieving target control and reducing the lateral load transfer ratio than the classical sliding-mode control. The above literature illustrates that many achievements have been made in the research on driving stability and anti-rollover systems of traditional vehicles. However, few works have been carried out on the rollover stability of and anti-rollover warning systems for vibroseis trucks. The vibroseis truck is a specialized vehicle used for oil and gas exploration and, as such, plays a crucial role in the efficiency and accuracy of seismic surveys. Despite major research efforts focused on enhancing the performance of the vibrator, including investigations into its dynamic response [12], ground-coupled vibration [13], and fatigue life [14], relative little attention has been given to rollover stability and anti-rollover warning systems. It is imperative to address these aspects of the vibroseis truck technology, as they impact not only the safety of personnel and equipment but also the quality of the seismic data produced.