Autor: Liashenko, M. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: The vehicle ride comfort increase at the expense of semiactive suspension system
Autorzy:: Podzorov, A.
Prytkov, V.
Cherkashina, E.
Liashenko, M.
Powiązania:: https://bibliotekanauki.pl/articles/244491.pdf
Data publikacji:: 2011
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: vehicle
semi-active suspension
ride comfort
shock absorber
pneumatic spring
multidimensional model
Opis:: The problem of control by a semi-active suspension for increase a ride comfort of a vehicle is considered. On an example of multidimensional mathematical model of the bus, an efficiency of a semi-active suspension with controllable shock absorbers and pneumatic springs is analyzed. Results of computer simulation of movement of the bus with a semi-active suspension on road with a stochastic profile are presented. Calculations have been executed in the program of modelling of dynamics of systems solid and elastic bodies - FRUND. As conclusions it is possible to notice that the semiactive suspension with controlled under offered laws elastic and damper elements allows to depress considerably dynamic ability to loading spring vehicle parts, thereby, raising its stroke ride comfort, without deterioration of parameters influencing stability and movement roadability. Results of numerical experiment and offered laws of controlling can form a basis for creation structurally concerning simple semiactive suspension systems a not demanding for work of a significant amount of power. The semiactive suspension with controlled under offered laws elastic and damper elements allows depressing considerably dynamic ability to loading spring vehicle parts, thereby, raising its stroke ride comfort, without deterioration of parameters influencing stability and movement roadability.
Źródło:: Journal of KONES; 2011, 18, 1; 463-470
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Analysis of the drive constructions of extra-low pressure rubber-tired propellers of the vehicles for carrying goods
Autorzy:: Liashenko, M. V.
Chebanenko, A. P.
Shekhovtsov, V. V.
Powiązania:: https://bibliotekanauki.pl/articles/241663.pdf
Data publikacji:: 2015
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: cross-country vehicles
extra-low pressure tires
vehicle passability
transmission of power
transmission
Opis:: Overcoming of road impassibility, increase of vehicle passability are the issues that are always actual for the areas with insufficiently developed road network in remote regions of the North, the Far East, Siberia, and also the lack of roads in oil and gas production places and their transportation to gathering stations. This issue is also actual during rescue missions after natural disasters, emergency situations and technogeneous disasters. To solve this important issue domestic and foreign industries produced and produce different kinds of off-road vehicles and snow and swamp-going vehicles: caterpillar, ski-caterpillar, on low-pressure tires. The advantage of the latter is the discovery of new opportunities in transportation, ecological compatibility, improved productivity and passableness. It is important to mention that almost all vehicles on extra-low pressure tires can swim. The fact that they all possess hermetic frame contributes to it, what is more, this usage of extra-low pressure tires provides this opportunity. This opportunity to deliver goods by the vehicles with extra-low pressure tires (VELPT), having no restriction in exploitation in summer and winter in the conditions of Arctic weak tundra, increases the competitive power of these vehicles compared to caterpillar off-road vehicles. Moreover, their usage is much cheaper than delivery by helicopter. All these lead to the popularity of VELPT, the growth of the number of their types for various purposes and appearance of new producers of this type of off-road vehicles.
Źródło:: Journal of KONES; 2015, 22, 1; 181-184
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Combined control of hydropneumatic springs of the vehicle
Autorzy:: Liashenko, M.
Podzorov, A.
Shekhovtsov, V.
Prytkov, V.
Cherkashina, E.
Powiązania:: https://bibliotekanauki.pl/articles/247202.pdf
Data publikacji:: 2011
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: controlled suspension system
ride comfort
hydropneumatic spring
road tests
spatial mathematical model
vehicle
Opis:: The article is devoted to research of a vehicle ride comfort, equipped the suspension system with combined control of springing and damping elements. The spatial mathematical model of a vehicle which meets the requirements of adequacy to real object was developed. The results of the computer simulation of movement of the vehicle with controllable and passive suspension systems on stochastic microprofile are presented. It can be concluded that the spatial multi-mass model is satisfactory close to a real object and can be used for further calculations. Having analyzed simulation results we can state significant increase of ride comfort of a vehicle equipped with a controlled suspension system. Decrease of vertical acceleration of a cabin in a place where a driver sits amounted to 40% in average that can be considered as a limit value for this type of controlled suspension systems. It can be noted that a suspension system with combined control of springing and damping elements can be considered as rather effective in terms of decreasing load of vehicle spring-mounted parts that along with low power consumption makes it rather competitive. The shown research results and control laws for springing and damping elements can be used as a basis for development of relatively simple controlled suspension systems.
Źródło:: Journal of KONES; 2011, 18, 4; 229-234
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Decreasing of vibration load level on tractor operator’s working place by means of using of vibrations dynamic dumpers in cabin suspension
Autorzy:: Shekhovtsov, K. V.
Sokolov-Dobrev, N. S.
Pobedin, A. V.
Liashenko, M. V.
Shekhovtsov, V. V.
Potapov, P. V.
Powiązania:: https://bibliotekanauki.pl/articles/243907.pdf
Data publikacji:: 2015
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: tractor cabin
suspension
standard vibroisolator
dynamic vibration damper
Opis:: This paper is devoted to describing of method of decreasing of vibration load level on tractor operator’s working place by means of using of vibrations dynamic dampers in cabin suspension (on other words – dynamic absorbers of dynamic vibroisolators). Standard cabin vibroisolators of tractors DT and VT series include monolith rubber block and have limited capabilities to change its elastic parameters adaptively during impact of vertical and lateral vibration loads with various frequencies. Elastic-damping properties of these vibroisolators does not allow to provide comfortable conditions for operator work because their abilities of vibration damping are not enough especially at low-frequency vibrations. Dynamic vibration dampers installed in cabin suspension were proposed by authors for decreasing of vibration load level on operator workplace. These dampers include additional masses connected to main mass due to elastic-damping elements. Several variants of dynamic vibroisolators schemes were proposed by authors. These schemes differ in quantity of additional masses (one, two or three) and type of connection between additional masses and main mass due elastic-damping elements (parallel or in series). Three-dimensional model of caterpillar chassis, suspension, engine, cabin and operator’s seat of tractor was created in software “Universal mechanism” for performing of computational research. On this model, researches of vibration of sprung mass were made for tractor motion with and without hook load at 3rd and 7th gears on smooth surface and on testing areas with single, periodic and random bumps. Research results indicate undoubtedly best vibroprotective properties of cabin’s suspensions with dynamic vibroisolators.
Źródło:: Journal of KONES; 2015, 22, 1; 276-284
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Investigation of thermal intensity of hydropneumatic spring of vehicle
Autorzy:: Cherkashina, E.
Liashenko, E.
Shekhovtsov, V.
Valentsev, M.
Powiązania:: https://bibliotekanauki.pl/articles/244660.pdf
Data publikacji:: 2011
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: vehicle
hydropneumatic spring
average capacity
temperature
thermal intensity
external surface area
Opis:: During the moving of vehicle is a change in temperature mode, which arises due to fluid friction in the dissipative element (throttle bores) hydropneumatic spring. In this case, hydropneumatic spring can be warm to significant temperatures. Due to lower viscosity of the fluid below the warning level, the increased heat causes a sharp increase in various types of leakage, increased friction parts, and as a consequence, the intensive wear and seizure of the surfaces. This leads to partial or complete loss of efficiency hydropneumatic springs. To changes in temperature mode in the hydropneumatic spring is influenced not only the external surface of the hydropneumatic spring, temperature and speed of blowing air flow, but also the conditions and the duration of the moving of vehicle. In this paper we investigate the heat intensity of the hydropneumatic springs of vehicle in weight 5.5 tons during the moving at different speeds for different types of roads. Investigations were carried out on the basis of mathematical models realized in a package of Matlab Simulink. In this case, was fixed the time average power released in the hydropneumatic spring in the form of heat. According to the research conclusions were drawn about the most heavy-duty vehicle and the amount of heat generated by the length of relative motion in this mode. To prevent overheating, an algorithm diagnosis of the condition and management of heat intensity of the hydropneumatic springs Also made recommendations to reduce the heat intensity hydropneumatic springs.
Źródło:: Journal of KONES; 2011, 18, 1; 99-102
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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