On a Certain Approach Towards the U-Turn of a Motor Vehicle Maneuver

Zalewski, Jarosław

doi:10.1007/978-3-030-59270-7_27

Cited by 3 publications

(5 citation statements)

References 11 publications

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“…This model has previously been used in some papers by the author, e.g. [8,9]. Here however, both the magnitude and the location of the loading masses was altered.…”

Section: General Assumptions For the Acceleration Maneuvermentioning

confidence: 99%

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Simulation of a Motor Vehicle Momentarily Accelerating in Various Road Conditions

Zalewski

2021

Journal of KONBiN

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In this paper some selected conclusions have been drawn from the simulated maneuver of a vehicle’s momentary acceleration in various road conditions. The aim of this paper was to answer the question whether the random irregularities of the road could decrease the final speed of the vehicle and cause it to deviate from the straight line motion and to what extent. These irregularities had three different maximum amplitudes which enabled analysis of vehicle’s acceleration on the less and the more uneven road. Also, almost the same and almost different profiles were assumed for the left and the right wheels of the vehicle’s model. Some additional phenomena such as the ice on the road have been taken into account. The initial speed was 20 km/h and after 2 s the vehicle started to accelerate. Then, after 8 s the simulation stopped, which gave the whole simulation time equal to 10 s.

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“…This model has previously been used in some papers by the author, e.g. [8,9]. Here however, both the magnitude and the location of the loading masses was altered.…”

Section: General Assumptions For the Acceleration Maneuvermentioning

confidence: 99%

“…Dynamics of a motor vehicle on the basis of computer simulations has been examined by the author of this paper in various aspects, e.g. in [8,9].…”

Section: Introductionmentioning

confidence: 99%

Simulation of a Motor Vehicle Momentarily Accelerating in Various Road Conditions

Zalewski

2021

Journal of KONBiN

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“…The directional cosine matrices between the inertial and non-inertial systems were assumed to be zero-sided. Simulations were conducted by recording the displacements of the wheelset in the direction of the OY axis, determining the frequencies and then the probability of stable motion in the Lyapunov sense [59][60][61][62][63][64][65][66][67][68][69][70][71][72].…”

Section: Introductionmentioning

confidence: 99%

Stochastic Technical Stability Test of a Passenger Railroad Car Crossing a Turnout

Kisilowski

Kowalik-Adamczyk

2021

Energies

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This article presents a definition of stochastic technical stability that was applied to test a mathematical model of a passenger railroad car crossing a turnout with the speed exceeding 160 km/h. Stability defined in this way allows testing of Lyapunov’s stability with disturbances from the track and for a nonlinear system. The STS test of a nonlinear mathematical model of a passenger car was carried out by perturbing the motion of the mathematical model with irregularities originating from the track gauge change and wheelset motion in the direction transverse to the track axis. The main aim of this paper was to determine the influence of various factors and technical conditions on the assessment of the stability of various means of transport. The analysis presented can be used to assess the dynamics of electric vehicles, whose mechanical parameters differ from those of combustion vehicles at present. The area of stable motion in the Lyapunov sense was defined using the STS method. Simulations were performed to determine the trajectory of the wheelset transverse motion. The probability of finding the wheelset in the stable motion area in relation to the rail for a single-point contact was determined. In practice, this is a one-point contact of the wheel with the rail. Conclusions from the conducted research are presented.

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“…Research presented in this paper is based on the computer simulations, which have been the tools for many other works, as well, such as [19] or [20].…”

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confidence: 99%

“…In the presented considerations a double seater vehicle's model has been used (Figure 1) to perform the necessary simulations in Adams/Car. This model has previously been used by the author in [20], however, for different purposes and different maneuvers. The general assumptions regarded the increase in the mass of the vehicle's body (and the whole vehicle at the same time -Table 1) by adding the masses representing a driver, a passenger and a baggage.…”

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confidence: 99%

The Impact of Road Irregularities on the Motion of a Motor Vehicle during Acceleration

Zalewski¹

2022

Communications

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In this paper the selected results concerning the analysis of the phenomena occurring between the road and the wheels of a motor vehicle have been presented. The analysis was prepared for the simulation of the acceleration maneuver with the 100% (full) throttle along the road with various conditions. The aim of this paper was to analyze whether both the full throttle and the road conditions may affect the forces occurring in the contact area between the wheels of the vehicle and the road, regarding the road conditions and the rear wheel drive of the analyzed vehicle’s model.

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On a Certain Approach Towards the U-Turn of a Motor Vehicle Maneuver

Cited by 3 publications

References 11 publications

Simulation of a Motor Vehicle Momentarily Accelerating in Various Road Conditions

Simulation of a Motor Vehicle Momentarily Accelerating in Various Road Conditions

Stochastic Technical Stability Test of a Passenger Railroad Car Crossing a Turnout

The Impact of Road Irregularities on the Motion of a Motor Vehicle during Acceleration

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