Means for studying the stability of the characteristics of an automated brake drive
Автор: Dygalo V.G., Diakov A.S., Golubchik T.V., Smorchkov A.E., Zhukov I.S., Zakirov R.A.
Рубрика: Контроль и испытания
Статья в выпуске: 2 т.22, 2022 года.
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A brake drive is a set of mechanisms that are used to transfer energy from a source to stop devices. In addition, the brake drive is responsible for controlling this energy during its transmission to implement braking. Brake drivers are classified into simple (using human muscular strength) and automated (using additional mechanisms that enhance the muscular strength of the driver or completely replace it). During vehicle use, changes occur in the braking system, which are the result of the impact on the braking system of operational factors: the beating of the surface of the brake disc, a change in the mass of the brake pad, a decrease in the radial stiffness of the hose walls, etc. The occurrence of these factors affects the stability of the characteristics of the elements of the chain “modulator ABS - brake mechanism”. The instability of the braking system characteristics is one of the reasons for the decrease in the braking efficiency of the car and the safety of the vehicle, as it has a direct impact on the quality of the control commands. Improving the operational properties of vehicles with automated braking systems is an urgent scientific and technical problem. To study and improve the operational properties of the vehicle, a laboratory semi-natural stand of an automated car braking system was designed and assembled. It allows simulating the operating processes of the drive, as well as assigning any operating modes of the braking system The article studies the possibility of applying the method of the virtual-physical modeling method when researching and improving operational properties of automotive brake automated systems on model stands, which makes it possible to successfully identify the instability of existing brake systems, and also lays the foundation for the effective creation of elements of unmanned vehicles.
Transport vehicle, brake drive, brake system, automated braking systems, virtual-physical modeling, unmanned vehicle
Короткий адрес: https://sciup.org/147238123
IDR: 147238123 | DOI: 10.14529/engin220207
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