Virtual proving ground simulation is important in vehicle product development, which requires tyre dynamic simulation in the time domain. This paper uses the modal parameter tyre model (MPTM) to obtain the static vertical properties that match the experimental results well and then presents a complete analytical model based on MPTM for in-plane time domain simulation that involves tyre rolling movement, tyre mechanics and typical working conditions. The computational method is also proposed. Results show that the steady state result is consistent with the convergent result of dynamic simulation. Further, this article presents simulation results in both time and frequency domains and compares them with experimental results, calculating rolling resistance, etc. The model and its computational method can be applied for more complex theoretical analysis and simulation in tyre mechanics.Based on the modelling and calculation results, the following conclusions can be drawn: (1) Tyre dynamic simulation capability plays a key role in vehicle product development and virtual simulation. MPTM has showed many accurate tyre mechanics models and the advantages of using tyre experimental modal parameters, with much less reliance on other parameters and tests. This paper proposes an in-plane time domain simulation modelling and its calculation implementation. (2) The model can obtain quite accurate calculations of tyre static vertical properties, including vertical stiffness and footprint length. (3) The model is established based on a complete analysis of rolling movement mechanics, tyre mechanics for time domain transit response and external input factors. It can simulate the working conditions of different speeds, contact surface and mechanics constraints, etc. Its calculation method and procedure are efficient and accurate. (4) The calculation results are positive in both the time domain and the frequency domain, steady state and dynamic with different rolling speeds. Different working conditions such as a flat surface or a cleat, the constant speed or acceleration, rolling resistance, etc., are calculated and compared with experimental results. (5) With the model, some tyre modelling issues can be deeply investigated, such as the structural damping ratio's impact on time domain simulation, tread damping modelling, etc.
Analysis and modelling of tyre in-plane time domain simulation with modal parameter tyre model
Analyse und Modellierung der zeitbasierten In-Plane-Reifen-Simulation mit einem Modalparameter-Reifenmodell
International Journal of Vehicle Design ; 63 , 1 ; 18-38
2013
21 Seiten, 21 Bilder, 3 Tabellen, 12 Quellen
Article (Journal)
English
Analysis and modelling of tyre in–plane time domain simulation with modal parameter tyre model
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