Temat: hydropneumatic suspension system - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Hydropneumatic suspension modelling for wheeled armoured fighting vehicle
Autorzy:: Ławniczak, S.
Simiński, P.
Powiązania:: https://bibliotekanauki.pl/articles/242251.pdf
Data publikacji:: 2009
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: transport
AFV vehicle
hydropneumatic suspension system
modelling
Opis:: The paper shall present the way for building a model for simulation studies of the wheeled armoured fighting vehicle with hydropneumatic suspension of driving wheels axles. Thus developed model shall be used to conduct simulation studies in the area of the vehicle safety. The scope of terms and conditions for applications of hydropneumatic suspensions in wheeled armoured fighting vehicles is justifled due to a number of their advantages, such as: progressive characteristics of elasticity provides great driving comfort with a small load, as well as apossibility of placing a considerable load on the vehicle (the requirements are mutually exclusive in classical suspension). Compressed nitrogen, sealed in the sphere using an elastic diaphragm, is approximately six-fold more flexible than steel springs elements at static load of the suspension, which provides high level of driving comfort; apossibility to lower the height of the vehicle by changing the road clearance which effects in e.g. higher availability for airborne transport and soon. However, they are not free from disadvantages; therefore, it is the studies of their justified use, especially related to traffic safety, that should have a final say in individual cases. The here to presented model of hydropneumatic suspension and the vehicle motion model are applied to assess dynamic capabilities and evaluate the real object motion safety.
Źródło:: Journal of KONES; 2009, 16, 2; 285-297
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Research on wheeled armoured fighting vehicle in curvilinear motion
Autorzy:: Ławniczak, S.
Simiński, P.
Powiązania:: https://bibliotekanauki.pl/articles/242097.pdf
Data publikacji:: 2009
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: ABS
EBS system
hydropneumatic suspension
AFV vehicle
Opis:: The paper shall present results of simulation research studies performed using a simulation model of a vehicle in which ABS and EBS system were taken into consideration as well as hydropneumatic suspension. A decision was made to conduct the simulation studies following three tests: circumferential fixed motion; emergency braking in curvilinear motion; stepping extortion on the steering wheel. As a result of performed simulation studies, more than 30 physical quantities were recorded describing the curvilinear motion of the AFV vehicle. The following were selected for presentation in listings: motion trajectory; progress of the value of lateral and side acceleration of the vehicle centre of inertia; progress of circumferential velocity values of driving wheels (essential at braking); progress of the vehicle velocity values recorded in the vehicle's centre of inertia and in places corresponding to positions of driving wheels; and progress of the values of vertical reaction forces under the driving wheels. Catalogue of the parameters being changed for the simulation is looked up to real objects and trends occurring in the changes being introduced. Paper presents progress of the value ofverticalforce in different conditions and vehicle motion trajectory. It also shows general diagram of hydropneumatic suspension system in view of the vehicle and diagram of hydropneumatic suspension system.
Źródło:: Journal of KONES; 2009, 16, 3; 223-232
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Hydropneumatyczne zawieszenie w samochodach osobowych – zasada działania
Autorzy:: Skorek, G.
Powiązania:: https://bibliotekanauki.pl/articles/303347.pdf
Data publikacji:: 2016
Wydawca:: Wydawnictwo Druk-Art
Tematy:: zawieszenie hydropneumatyczne
samochód osobowy
układ hydrauliczny
hydropneumatic suspension
passenger car
hydraulic system
Opis:: Artykuł objaśnia zasadę działania zawieszenia hydropneumatycznego stosowanego od lat w samochodach osobowych francuskiej marki Citroën, zapewniającego wyższy komfort jazdy niż zawieszenie aut z konwencjonalnym rozwiązaniem resorowania. Układ hydrauliczny jest w tym przypadku centralnym układem otwartym, którego zadaniem jest: wypoziomowanie nadwozia oraz utrzymywanie go na odpowiednim poziomie niezależnie od obciążenia, umożliwienie regulacji wysokości w określonym zakresie oraz zasilanie układu hamulcowego i wspomagania układu kierowniczego. W artykule ograniczono się do omówienia zasady działania konwencjonalnego hydraulicznego układu podnoszenia stosowanego w starszych modelach oraz przedstawiono budowę wybranych elementów układu hydropneumatycznego. Wspomniano także o nowych generacjach zawieszenia Hydroactive, które w kolejnych latach stosowano w coraz nowszych modelach marki Citroën.
Article explains the principle of hydropneumatic suspension used for years in passenger cars French brand Citroën, providing greater comfort than the suspension of cars with conventional suspension solution. The hydraulic system is in this case an open central control unit whose function is the leveling of the body and maintain it at the proper level regardless of the load, allowing height adjustment in a certain range and the power brake and power steering. This article is limited to arrange the principles of conventional hydraulic lifting system used in older models and presents the construction of selected elements of the hydropneumatic. Also mentioned the new generations of Hydractive suspension, which in subsequent years been used in more recent models Citroën.
Źródło:: Napędy i Sterowanie; 2016, 18, 11; 86-97
1507-7764
Pojawia się w:: Napędy i Sterowanie
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

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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