Abstract
The article discusses the choice of the power and type of the drive motor for the system controlling the vibration amplitude of the rectifier rocker arms of the continuously variable mechanical transmission, intended for use on a motor vehicle. Formulas for calculating the required torque and rotational speed of the drive motor with a planetary differential control gear are given. It is shown that the use of an electrohydraulic drive provides the required speed and power operation of the control system. The results of the system testing are presented.
Highlights
The driving control of the motor vehicle which transmission is equipped with the continuously variable mechanical transmission with oscillatory movement of internal links and force function control [1, 2, 3] is maintained in the following manner
Since the internal combustion engine (ICE) turns out to be unloaded in the ‘stop’ mode [1,6], the twisting of the torsion bars can be provided only due to the work performed by the drive motor of the control system
The amount of work performed by the drive motor of the control system should provide the driver-set vibration amplitude of the rectifier rocker arms φ0
Summary
The driving control of the motor vehicle which transmission is equipped with the continuously variable mechanical transmission with oscillatory movement of internal links and force function control (the Blagonravov transmission) [1, 2, 3] is maintained in the following manner. Since the internal combustion engine (ICE) turns out to be unloaded in the ‘stop’ mode [1,6], the twisting of the torsion bars (creation of force functions) can be provided only due to the work performed by the drive motor of the control system. This is the most energyconsuming drive operation mode. The objectives of this paper are to substantiate a reasonable choice of the power and type of the drive motor for the engineering prototype of the Blagonravov transmission with a planetary differential control gear [6] and to carry out a comparative analysis of the test results of the transmission with electric and electrohydraulic control drives
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