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Analysis of the Tractor-Trailer Dynamics during Braking
Technical Paper
2019-01-2144
ISSN: 0148-7191,
e-ISSN: 2688-3627
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English
Abstract
The intensive development of tractor-building industry in the world has led to the widespread use of wheeled tractors and tractor trains in transportations on public highways. This requires an increase of engine capacity and speed of tractor trains, as well as strict demands for their braking systems.
The formation of the necessary braking properties of wheeled tractors and tractor trains on their basis should be carried out at the design phase, taking into account a wide range of aggregated machines and tools.
Blocking the wheels of the trailer with different sequence of their blocking and blocking the wheels of the tractor has significant impact on the total braking force, deceleration and stability of the tractor train. It is advisable to take this into account when modeling the braking process of a tractor train.
The article deals with the braking dynamics of the tractor train and the impact of the dynamic distribution of normal reactions between the axles on the brake properties of the tractor train. The mathematical model of the braking process of the tractor-trailer train (consisting of a wheeled tractor and a two-axle trailer at the limit of blocking the wheels) has been obtained. The coefficients of the total braking force distribution between the to the front and rear axles of the tractor, front and rear axles of the trailer, ensuring the directional stability of the tractor-trailer train, have been determined.
Authors
- Mikhail Podrigalo - Kharkov National Auto and Highway University
- Dmytro Klets - Kharkov National Auto and Highway University
- Mykhailo Kholodov - Kharkov National Auto and Highway University
- Valeriy Klimenko - Kharkov National Auto and Highway University
- Volodymyr Rudzinskyi - Zhytomyr State Technological University
- Anton Kholodov - Kharkov National Auto and Highway University
Citation
Podrigalo, M., Klets, D., Kholodov, M., Klimenko, V. et al., "Analysis of the Tractor-Trailer Dynamics during Braking," SAE Technical Paper 2019-01-2144, 2019, https://doi.org/10.4271/2019-01-2144.Data Sets - Support Documents
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