Stability of Wheel Tractors during Braking

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Stability of Wheel Tractors during Braking

Koryak, Alexander / Savchenkov, Borys / Klets, Dmytro / Podrigalo, Mikhail / Kholodov, Mykhailo / Polianskyi, Oleksandr / Rudzinskyi, Volodymyr / Dubinin, Yevhen / Viktoriia, Zadorozhnia

Abstract

The dynamic distribution of normal reactions between the axles of the wheeled tractor has a significant impact on the stability against skidding and the wheeled tractor braking effectiveness. At the same time, the clarification of the normal reactions distribution between the axles allows to choose more rational braking forces distribution between the axles.It is shown that the best way to ensure the highest braking efficiency is the braking mode when the rear wheels of the tractor are at the blocking limit. An assessment of the expediency of installing brake mechanisms on only one axle of the tractor was made.The increase of braking efficiency of wheeled tractors with all brake wheels provided that they ensure directional stability is considered. The laws of braking forces distribution between the axles of wheel tractors for different sequence of wheels locking are determined.Using the method of partial accelerations an improved method for estimating the effect of a brake system on the stability of wheeled tractor is proposed. The criterion in the form of angular acceleration in the road plane ώz, by the value and sign of which one we can estimate the operational stability of the brake mechanisms has obtained.

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Document information

Title :

Stability of Wheel Tractors during Braking

Additional title:

Sae Technical Papers

Contributors:

Koryak, Alexander (author) / Savchenkov, Borys (author) / Klets, Dmytro (author) / Podrigalo, Mikhail (author) / Kholodov, Mykhailo (author) / Polianskyi, Oleksandr (author) / Rudzinskyi, Volodymyr (author) / Dubinin, Yevhen (author) / Viktoriia, Zadorozhnia (author)

Conference:

Brake Colloquium & Exhibition - 37th Annual ; 2019

Published in:

Sae Technical Paper Series

Publication date :

2019-09-15

ISSN :

2688-3627 , 0148-7191

DOI :

https://doi.org/10.4271/2019-01-2142

Type of media :

Conference paper