Title of the article

DESIGN AND WORKFLOW FEATURES OF UNIT OF INTERACTIVE CLUTCHES OF HYDROMECHANICAL TRANSMISSION

Authors

BELABENKO Dmitriy S., Head of the Hydromechanical Transmission Division, JSC “Minsk Wheel Tractor Plant”, Minsk, Republic of Belarus, This email address is being protected from spambots. You need JavaScript enabled to view it.">This email address is being protected from spambots. You need JavaScript enabled to view it.

In the section MECHANICS OF MOBILE MACHINES
Year 2019 Issue 1 Pages 19–29
Type of article RAR Index UDK 629.014.8-235 Index BBK  
Abstract

A review of clutches related to the type of tandem friction clutches is presented. The known solutions, disadvantages and advantages of the double friction clutch, which includes two control elements having a hydraulic connection between the hydraulic cylinders, are analyzed. The studies that have examined the clutches are analyzed. A typical block diagram of the mechatronic control system and the vehicle is drawn up, with the help of which studies of the shift process are carried out in the general case. In the analyzed studies, the simulation was carried out taking into account not all elements of the block diagram. There are three diagrams on the basis of the use of circuit elements in modeling. The  rational configuration of the elements for the study was chosen. The results of study are presented in the article. The  dynamic scheme of double friction clutch hydraulic drive and its mathematical model with introduced hydraulic connection between hydraulic cylinders are developed. The mathematical model uses the values of the stiffness of the elastic elements: the springs, friction discs, thrust disc. The stiffness of the thrust disc, which is part of a complex assembly unit, is determined by the calculation of the finite element method. The mathematical model of the hydraulic drive contains differential equations that retain their appearance for all positions of the piston.

Keywords

clutch, double friction clutch, hydromechanical transmission, dynamic diagram, mathematical model

 
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