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Publications (26)
In recent years, the development of container transportation served as a powerful impetus for increasing the length of vehicles, especially road trains, which is due to a number of advantages regarding the transportation of large-sized freight in a container. Today, the whole range of containers is transported by two-link road trains consisting of...
In present research work there was investigated a problem of using of the electric drive trucks on the farm enterprises. According to the results of the literature sources analysis there was found a great interest of scientists and users concerning the usage of the commercial electric vehicles in the agriculture. There was made a mathematical model...
Today, in the EU countries, three-link road trains of various layout schemes are used for freight transportation, in particular semi-trailer, trailer on a rolling cart and «B-Dauble» type, which helps increase the efficiency of the transportation process. The total weight of such road trains is the same and is at the level of 60 tons, and the lengt...
The road safety issues in the city of Ternopil are studied in this article. The found actual deficiencies were structured according to the main indicators. Based on the analysis of the movement of traffic flows in the morning period, the most problematic sections of the SRN (street and road network) were identified. In general, the speed of traffic...
Vibration drive based on centrifugal forces can be used as an exciter of vibrations in the structure of a pipe robot. In this paper, a pipe robot with vibration drive based on centrifugal forces is proposed and investigated. A dynamic model of the pipe robot is presented, and differential equations of motion are obtained. Model in which excitation...
See the retraction notice E3S Web of Conferences 456, 00002 (2023), https://doi.org/10.1051/e3sconf/202345600002
The article deals with the maneuverability of three-link road trains with various layout schemes. If a train has more than three links, difficulties arise in that the study of the movement of such a multi-link vehicle is significantly complicated due to the need to take into account the influence of a significant number of factors on the nature of...
One of the main problems of modern big city is the global crisis of normal urban environment operation as a result of structural growing of automobilization level, oversaturation of road-street network by the transport streams. Buses of the especially large size class occupy, at the least, 20% in the structure of a modern bus park. The buses of esp...
This article discusses the challenges facing public transport in Ukraine in terms of reducing fuel consumption and emissions. The absence or insufficient development of means and methods for monitoring driver behaviour, as well as high staff turnover, create significant difficulties in controlling drivers and vehicles. A conducted study in Lutsk, t...
The article is devoted to the problem of researching road safety issues in the city of Ternopil with the structuring of established actual deficiencies according to the main indicators. As a result of the analysis of traffic flows in the morning period, the most problematic sections of the street and road network were identified. In general, it is...
It has been shown that a perspective type of passenger transport is a metro bus, which can be both two- and three-link. Mathematical model of an autotrain has been developed for a two-link metrobus with both an uncontrolled and a controlled trailer, with the help of which it is established that the speed of the metro bus is 10 m/s, the angular spee...
Among the most important operational properties of articulated buses, ensuring their safety, it is necessary to note the course stability of traffic (CST), as often the loss of CST of a vehicle is accompanied by an accident. The parameters of the CST of a road train are closely related to the design of the running gear, in particular to the skew of...
There were examined the problems of passage of the regulated parts of a road. There were investigated the changes of a traffic movement intensity in Lutsk (Ukraine) during the spread of Covid-19 pandemic. The graphic dependences of the drivers’ actions estimation while passing the traffic lights objects on a chosen movement route at the beginning o...
The issues of stability and controllability of cars and road trains (ATZ) in connection with their practical importance have been studied by many researchers. If the issues of transportation of bulky goods are studied well enough, then for the transportation of light cargo, which uses low-capacity road trains with simple single- or two-axle trailer...
The article considers the stability of three sections passenger bus train that consists of three buses of the same type, during its operation in BRT system, which is usually used by the buses of particularly large capacity with the total length of up to 25 m. The efficiency in operation of such buses closely deals with the passenger traffic, which...
To calculate the stress-deformed state of road-tanker metal structures during the liquid cargo transportation, the solution for bending axially and symmetrically loaded circular plates is proposed, which is based on the theory of elasticity approach. Dependencies for calculating stresses and displacements under arbitrary load law and support type a...
Purpose: Ensuring the required operational reliability of disc brakes by forecasting their technical condition taking into account thermomechanical processes. Design/methodology/approach: Differential equations of rotation of a rigid body around a fixed axis are solved, it is established that the equations of motion and the equations of thermal con...
The methods and results of the investigation of intervals between vehicles during queue dissipation before controlled intersections with the further determination of saturation flow are reviewed in this paper. Having reviewed existing methods of determining the saturation in traffic flows, those are determined which provide the most certain results...
Згідно з рекомендованим співвідношенням між кількістю автобусів різних класів, які використовуються у великих містах, три чверті всього автобусного парку міста з населенням понад 1 млн жителів мають становити автобуси великого та особливо великого класу. Найбільшого ефекту від використанням автобусів великого і особливо великого класу досягається в...
Purpose: Development of a computational model of stress-strain state bearing elements of trailer frames for preliminary assessment and identification of areas with increased risk of failure. Design/methodology/approach: The object of the study is the processes of loading the load-bearing metal structures of trailers - fertilizer spreaders. The stre...
The processes of corrosion-fatigue failure of materials in contact with mineral fertilizers are insufficiently studied. As a result of joint influence of atmospheric corrosion and mechanical loads, about 70 to 80 % of machine parts get out of order, 20 to 25 % of which are failures caused by operating overload due to the strength loss because of at...
Дослідження впливу конструктивних параметрів на тягово-швидкісні властивості, продуктивність та економічність рухомого складу є необхідною умовою удосконалення транспортних послуг. Правильне, обґрунтоване дослідженнями та досвідом, поєднання параметрів автомобілів, напівпричепів та причепів на основі завдань, які стоять перед перевізником, умов екс...
The objective of the article is to determine the transverse stability indexes of hinge-connected buses (HCBs) by applying the computation-analytical method. The transverse stability parameters of hybrid buses with active trailers are analysed. Based on these parameters (the angles of the roll and redistribution of loads on the sides), the analytica...
The analytical models to determine the residual service life of metal undercarriages of open profile fertilizer spreaders at exposure in organic and mineral fertilizers environments are developed. The service life of rail elements is considered as the sum of periods of formation and subcritical growth of fatigue cracks. The formulae for determining...
