Analysis and optimization of the vehicle handling stability with considering suspension kinematics and compliance characteristics

Gao, Jin; Wu, Fuquan

doi:10.1177/16878140211015523

Cited by 10 publications

(3 citation statements)

References 15 publications

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“…LS-DYNA is a world-renowned general-purpose display nonlinear dynamic analysis program capable of simulating various complex problems in the real world [18]. It has powerful analysis capabilities, rich material model library, easy-to-use cell library and adaptive meshing functions.…”

Section: Finite Element Software Ls-dynamentioning

confidence: 99%

Numerical simulation of heavy rail transit vehicle collision and analysis of collision force characteristics

Zhang¹,

Li²

2023

J. vibroeng.

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The collision force of a heavy rail transit vehicle hitting a bridge pier is affected by many factors. In order to investigate the characteristics of the collision force when a heavy rail transit vehicle hits a bridge, the finite element software LS-DYNA is used to simulate the impact of a heavy rail transit vehicle on a bridge. The influence of the vehicle speed of heavy rail transit vehicles, the strength of bridge pier concrete, the spacing of pier stirrups, the ratio of pier stirrup reinforcement, and the eccentric distance between the vehicle and the bridge pier on the characteristics of the collision force. The simulation analysis results show that the total deformation frequency around the impact point of the bridge pier and the heavy rail transit vehicle decreases as the distance from the impact point increases, and the deformation frequency in the vicinity of the impact point is the largest. The speed of the heavy rail transit vehicle, the concrete strength of the bridge pier, the reinforcement ratio of the pier stirrup, the larger the eccentric distance between the vehicle and the bridge pier, and the smaller the spacing between the stirrups, the greater the collision force when the heavy rail transit vehicle hits the bridge pier.

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Section: Finite Element Software Ls-dynamentioning

confidence: 99%

Numerical simulation of heavy rail transit vehicle collision and analysis of collision force characteristics

Zhang¹,

Li²

2023

J. vibroeng.

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“…With the rapid development of science and technology, the focus of attention on vehicles has gradually shifted towards the operational stability and ride comfort of vehicles (Cao et al, 2011). Suspension, as one of the most crucial components of a vehicle's chassis, plays a paramount role in the damping performance of the vehicle (Gao et al, 2021). The performance of a vehicle's suspension system significantly influences the comfort of passengers and the health of the driver.…”

Section: Introductionmentioning

confidence: 99%

Performance analysis of vehicle magnetorheological semi-active air suspension based on S-QFSMC control

Li,

Gan,

Liu

et al. 2024

Front. Mater.

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The performance of the suspension is a crucial criterion for evaluating both vehicle handling and passenger comfort. To enhance suspension performance, this study proposes the design of a Quantum Genetic Fuzzy Sliding Mode Controller (S-QFSMC) based on the Smith predictor estimator, building upon the foundation of the vehicle magneto-rheological semi-active air suspension. According to the physical model of the vehicle suspension, a mechanical model of a quarter-vehicle magneto-rheological semi-active air suspension with time delay is established. On this basis, a conventional sliding mode controller is designed, and quantum genetic algorithm and fuzzy control principles are employed to optimize the chattering issue associated with sliding mode control. The Smith predictor estimator is utilized to effectively compensate for the time delay in the suspension system. Subsequently, a simulation analysis of the vehicle suspension performance is conducted. The results indicate that, compared to passive suspension control, both the QFSMC controller and the S-QFSMC controller improve the suspension performance, with the S-QFSMC controller exhibiting superior comprehensive improvement. This validates the effectiveness of the designed controllers.

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“…A separate research field is dedicated to the investigation of the design of various suspension elements and possibilities for their improvement. Considerable research efforts have been made to improve suspension elements and their properties [30][31][32][33][34][35]. Certain articles deal with the vibrations of various vehicle elements and the methods of their measurement [36][37][38].…”

Section: Introductionmentioning

confidence: 99%

Investigation of Vehicle Stability with Consideration of Suspension Performance

et al. 2021

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The issue of movement stability remains highly relevant considering increasing vehicle speeds. The evaluation of vehicle stability parameters and the modeling of specific movement modes is a complex task, as no universal evaluation criteria have been established. The main task in modeling car stability is an integrated assessment of the vehicle’s road interactions and identification of relationships. The main system affecting the vehicle’s road interaction is the suspension of the vehicle. Vehicle suspension is required to provide constant wheel to road surface contact, thus creating the preconditions for stability of vehicle movement. At the same time, it must provide the maximum possible body insulation against the effect of unevennesses on the road surface. Combining the two marginal prerequisites is challenging, and the issue has not been definitively solved to this day. Inaccurate alignment of the suspension and damping characteristics of the vehicle suspension impairs the stability of the vehicle, and passengers feel discomfort due to increased vibrations of the vehicle body. As a result, the driving speed is artificially restricted, the durability of the vehicle body is reduced, and the transported cargo is affected. In the study, analytical computational and experimental research methods were used. Specialized vehicle-road interaction assessment programs were developed for theoretical investigation. The methodology developed for assessing vehicle movement stability may be used for the following purposes: design and improvement of vehicle suspension and other mechanisms that determine vehicle stability; analysis of road spans assigned with characteristic vehicle movement settings; road accident situation analysis; design of road structures and establishment of certain operational restrictions on the road structures. A vehicle suspension test bench that included original structure mechanisms that simulate the effect of the road surface was designed and manufactured to test the results of theoretical calculations describing the work of the vehicle suspension and to study various suspension parameters. Experimental investigations were carried out by examining the vibrations of vehicle suspension elements caused by unevenness on the road surface.

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Analysis and optimization of the vehicle handling stability with considering suspension kinematics and compliance characteristics

Cited by 10 publications

References 15 publications

Numerical simulation of heavy rail transit vehicle collision and analysis of collision force characteristics

Numerical simulation of heavy rail transit vehicle collision and analysis of collision force characteristics

Performance analysis of vehicle magnetorheological semi-active air suspension based on S-QFSMC control

Investigation of Vehicle Stability with Consideration of Suspension Performance

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