Development of the decentralized control mathematical model for the potash mine transport system

2018 ◽  
pp. 117-120
Author(s):  
Gennadiy Pivnyak ◽  
Victor Tkachov
Keyword(s):  
Mathematical Model ◽  
Transport System ◽  
Decentralized Control ◽  
Potash Mine ◽  
Mine Transport

scholarly journals The Evaluation Metod of Transport System on the Basis of Semi-Markov Model of the Operation and Maintenance Process / Metoda Oceny Systemu Transportowego Na Podstawie Semimarkowskiego Modelu Procesu Eksploatacji

2014 ◽  
Vol 31 (1) ◽  
pp. 64-73
Author(s):  
Maciej Woropay ◽  
Klaudiusz Migawa
Keyword(s):  
Mathematical Model ◽  
Markov Model ◽  
Transport System ◽  
Process Model ◽  
Transportation System ◽  
Technical Object ◽  
System A ◽  
Operation And Maintenance ◽  
Maintenance Process

Abstract The article presents a method for assessment of availability and risk functioning of technical objects (transport means) in an executive subsystem. Indexes of the availability and risk connected with functioning of a single technical object have been determined on the basis of a mathematical model of the operation and maintenance process, in the studied transportation system. A Mathematical model of the operation and maintenance process has been developed with acceptance of an assumption that the process model is to be represented by a homogeneous Markov model X(t).

Planar Flat Product Transport Using Viscous Traction

2008 ◽  
Author(s):  
Jeroen van Rij ◽  
Jasper Wesselingh ◽  
Ron A. J. van Ostayen ◽  
Jo W. Spronck ◽  
Robert H. Munnig Schmidt ◽  
...  
Keyword(s):  
Mathematical Model ◽  
Surface Area ◽  
Transport System ◽  
Glass Substrate ◽  
Silicon Wafers ◽  
Transport Function ◽  
Glass Substrates ◽  
Product Surface ◽  
Bearing Stiffness ◽  
Vertical Bearing

In this paper a new contactless transport system for thin, flat products, such as glass substrates and silicon wafers, is introduced. The transport function is realized using viscous traction on the product surface. After an explanation of the operating principles, a mathematical model is presented. Preliminary computations indicate that the generated acceleration is approximately 2.5 m/s2 for a glass substrate with a surface area of 2 m2 and a thickness of 0.7 mm. Furthermore, the vertical bearing stiffness for the considered actuator geometry of the system is 4.2·106 N/m, depending on the properties of the inflow and outflow points of the actuator cells.

scholarly journals Systematization of development transport systems indicators on the aviation example

2021 ◽  
Vol 341 ◽  
pp. 00048
Author(s):  
Olga Borodina ◽  
Natalya Shatalova
Keyword(s):  
Mathematical Model ◽  
Transport System ◽  
Navigation System ◽  
System Development ◽  
Air Transportation ◽  
Functional Diagram ◽  
Transport Systems ◽  
Catchment Areas

The publication proposes a functional diagram of the connection of the air navigation system to the unified transport system as a subsystem for providing air transportation. This paper consists an analysis of the transport system development factors: goals and principles of building an air navigation system; activities of the trust and alliance in the domestic air transportation market; the need to determine the catchment areas of transport infrastructures. The main result of this publication is the concept of air navigation system development. It is given the concept of mathematical model indicators connection of air navigation system. The list of indicators is given, table “Proposed and real goals of the air navigation system”, figure – ‘Network indicator structure’.

scholarly journals Non-Motorized Trip Pattern in Sub-Saharan Africa: Assessment of Walk Trip

2019 ◽  
Vol 13 (1) ◽  
pp. 194-202
Author(s):  
Ayobami A Busari
Keyword(s):  
Mathematical Model ◽  
Transport System ◽  
Industrial Cluster ◽  
Sub Saharan Africa ◽  
Primary Reason ◽  
Modal Split ◽  
Access Mode ◽  
Mode Of Transportation ◽  
Sub Saharan ◽  
The Mathematical Model

Background: Walking as a parent mode of transportation has received little or no attention regarding planning, design, and development, thereby leading to chaotic outcomes when it comes to controlling and future estimation in most sub-Saharan Africa countries. This necessitated the research on the pertinent factors and variables that affect walking as a means of transportation in the study area, a semi-urban industrial cluster in South-Western Nigeria. Methods: One Thousand five hundred (1500) information cards were distributed for seven months. This was done to accumulate information on trip patterns, modal split, walk trip volume and so on. The data obtained was analysed using SPSS version 23. Results: The result revealed that 53.2% of the respondent engages in a walk trip every day either to access mode, access sub-mode or for recreation purposes. The commercial zone showed the highest percentage of walk trips of 40%. The mathematical model showed that age and walk trips are inversely proportional. Based on the result of the analysis, cost, safety and exercise are the primary reason why people engage in a walking trip. The R2 value of 0.83 established the robustness of the model. Conclusion: The created model can be utilized for anticipating the future modular part by inputting anticipated future estimation of exploratory variables, which will also aid the planning of a better transport system for the locality. The lack of essential infrastructure poses a big problem for the utilisation of this mode of transportation.

MECHANICAL INTERACTION OF THE RAIL TRANSPORT CAR AND JOINT IRREGULARITY

2021 ◽  
Vol 113 ◽  
pp. 173-189
Author(s):  
Vladimir SHPACHUK ◽  
Aleksandr CHUPRYNIN ◽  
Tatiana SUPRUN ◽  
Andriy KOVALENKO
Keyword(s):  
Mathematical Model ◽  
Numerical Analysis ◽  
Transport System ◽  
Dynamic Interaction ◽  
Rail Transport ◽  
Mechanical Interaction ◽  
Mechanical Models ◽  
Motion Features

Mechanical models of a transport system “carriage - track” while crossing a joint irregularity are proposed. An investigation was conducted on the peculiarities of static, shock and dynamic interaction between the four-axle car and the track, considering tram wheelsets motion features over joint irregularity. A method to solve the equations of a mathematical model of static, shock and dynamic interaction is developed. Numerical analysis is used to determine deflections of the facing rail under the first sleeper for each phase of motion depending on motion phases, and car load and speed.

scholarly journals Mathematical model of evaluating the quality of “smart city” transport interchanges functioning

2019 ◽  
Vol 97 ◽  
pp. 01006 ◽  
Author(s):  
Margarita Panteleeva ◽  
Svetlana Borozdina
Keyword(s):  
Mathematical Model ◽  
Development Strategy ◽  
Transport System ◽  
Russian Federation ◽  
Smart City ◽  
System Development ◽  
General System ◽  
Management Decision ◽  
Uniform Motion ◽  
The Russian Federation

The analysis of government policy documents conducted by the authors allowed to establish that the Russian Federation Transport System Development Strategy until 2020, developed back in 2004, does not have a comprehensive and detailed toolkit for the implementation of all the goals and objectives presented in it, in particular, there are no current models of management decision-making at the Russian transport system development in a “smart city. The authors found that the effective management of traffic in a “smart city” should provide load transport network on the brink of its capacity and to maintain a continuous uniform motion, including the relatively low speeds, and increase the level of social development. This formulation of the problem proposed by the authors is fundamentally changing the construction of transport management systems, control algorithms and thus the model on which they are based, are not needed “smart city.” Thus, the authors of the article developed a mathematical model for evaluating the efficiency of transport interchanges in the general system of transport development in the Russian Federation, taking into account the requirements of the “smart city” concept and the growing social effect.

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