Transport Engineering

Module aim

To develop students' pedagogical competence, adapted to the individual educational practice, successful and modern planning, organizing and managing the study process.

Description

The subject reveals close connections between subject, scientific and educational competencies of a teacher. During lectures, seminars, and independent work, higher education didactics is analyzed, emphasizing student-centered studies, international and national higher education space, forms and methods of communication, methodologies in academic environment with different groups of society. The basis of studies consists of reflexive experiential learning, which helps to develop doctoral students' analytical and critical thinking, ability to evaluate their own and others' decisions, promotes a holistic and responsible approach to their activities.

Module aim

To introduce the most innovative research methods and methodologies providing specialized knowledge for the solutions to the scientific research and other areas problems.

Description

Science philosophy. Prevention of plagiarism. Search for scientific information. Scientific information bases. How to write and publish a paper in a journal indexed in Web of Science. Modern software tools for research planning and scientific results publishing. Modern software tools for research planning and scientific results publishing Knowledge transfer, commercialization and patenting.

Module aim

To introduce the most innovative research methods and methodologies providing specialized knowledge for the solutions to the scientific research and other areas problems.

Description

Science philosophy. Search for scientific information. How to write and publish a paper in a journal indexed in Web of Science. Big data and its analytics. Modern software tools for research planning and scientific results publishing. Quantitative methods for cross-sectional data analysis. Modern software tools for processing and vizualization of experiments results. Statistical processing of the research data and development of empirical models. Knowledge transfer, commercialization and patenting.

Module aim

To introduce the most innovative research methods and methodologies providing specialized knowledge for the solutions to the scientific research and other areas problems.

Description

Science philosophy. Prevention of plagiarism. Search for scientific information. Scientific information bases. How to write and publish a paper in a journal indexed in Web of Science. Modern software tools for research planning and scientific results publishing. Modern software tools for research planning and scientific results publishing Knowledge transfer, commercialization and patenting.

Module aim

To learn modelling of interaction between rail vehicle wheel-set and track; evaluate adhesion factors correlation; analyse principles of train steady running assurance; estimate energy efficiency of traction energy recovery processes.

Description

Mechanical, and physical-chemical phenomena of rail traction vehicle wheel/rail adhesion, Hertz and Kalker theory for consideration of wheel/rail contact. Regularities of adhesion coefficient variation and the problematic of defining its value. The phenomenon of rail vehicle wheel slip and creepage. The selection methodology to select the rail vehicle according wheel/rail adhesion conditions and the ways to indicate a critical mass of train. Investigation of correlation of factors influencing on bogie interaction with the track and ensuring principles of train stable (continuous) running. Traction force, running resistance and speed diagrams for locomotive load analysis, the critical mass of freight trains. Algorithms of optimal traction force selection, taking into account track geometric parameters (vertical and horizontal curves) and wheel/rail adhesion conditions. Innovative systems of locomotive traction and braking force automatic adjustment and control. Scientific algorithms of

Module aim

To provide detailed knowledge about traffic flow, as dynamics sistema, inestigation methods and to apply methods to solve traffic flow problems.

Description

Traffic flow as a complex dynamic system is investigated. Road traffic system, the main characteristics of the roads and parameters. Classification of transport flow mathematical models. Automobile after automobile tracking mathematical model. Traffic flow continuum mathematical. model. The main assumptions. Kinetic Theory. Boundary conditions. A hydrodynamic theory, the main mathematical models. Discrete traffic flow method and the main assumptions. Transport flows with stochastic parameters. Determination of noise level in traffic flows. Transport flow control problems. Transport flows of dynamic processes in the study examples.

Module aim

Provide detailed knowledge of objects of rotortronics (rotor systems of transport machinery), their characteristics, the dynamic processes that develop the capacity to understand the physical processes occurring in them are described mathematically,

Description

Investigation system is rotor system and its elements. Rotor as a deformable body motion equations, the assumptions adopted, the applied force and moments. Hydrodynamic lubrication problem. Reynolds equation, boundary conditions, solution methods. Hydrodynamic bearing stiffness and damping. Two-body interactions.Hertz contact theory and the assumptions. Rolling bearings mathematical models, the assumptions adopted. The rotating system stability. The rotating system diagnostics, measurements devices and diagnostic techniques.

Module aim

To provide detailed knowledge about optimization of transport technological procesess, problems, solution methods. To develop skills to understand the transport technological procesess, to generate the optimization task, to pay the correct decision

Description

Optimization problems of technological processes are presented. Introduces common linear programming problem. The nonlinear optimization problem of vehicle suspension, the their elements as nonlinear dynamic system are presented.

Module aim

To provide theoretical knowledge regarding the interaction between the vehicle and road, also to increase abilities to evaluate various factors, which has influence on vehicle driving dynamics.

Description

Elements of transport system and their interaction. Types of pavement, features and behavior. Road climatology, parameters of road traffic, calculation and their interaction. Construction of pavement, acting factors on it and model. Influence of pavement on driving conditions. Road safety. Technologies and funding of road maintenance.

Module aim

Provide detailed knowledge of vehicles and technological equipment of dynamic, thermodynamic and hydrodynamic processes, problems, mathematical modelling, their characteristics, to develop skills to understand of physical processes.

Description

Investigation dynamic, hydrodynamic and thermodynamic processes in the vehicles and technological equipments. Liquid and gas are compressible medium. Speed of sound, pressure wave propagation. The main hydrodynamic equations, assumptions, boundary conditions, solution methods. The high-speed processes in the mechanical, hydraulic and pneumatic systems and their elements are considered.

Module aim

To provide detailed knowledge about vehicle transmissions, dynamic processes, problems, mathematical modeling, their characteristics, to develop skills to understand the physical processes occurring in them are described mathematically, to pay the co

Description

Vehicle transmissions dynamics processes are investigated. Transmission elements of nonlinear characteristics. Two-body interaction theories. Gear coupling characteristics. Transmission element equations of motion. Mathematical models of transmission elements. Research methods of dynamics processes of vehicle transmission.

Module aim

To deepen knowledge about the control of electric drives of traction vehicle, the peculiarities of control of static energy converters and to develop the ability to analyze the efficiency of drivers.

Description

Basic concepts and principles for control of rail traction vehicle electric drives. Comparative analysis of the characteristics of direct and alternating current electric machines. Investigation of static energy converters and the newest generation high power semiconductor cells. Development of structural diagrams and evaluation of functionality of electric drives of alternating and direct current system locomotives. Development of frequency converters for speed control of AC electric motors and analysis of embedded systems with microcontrollers. Analysis of regularities of automatic control of electric drives of rail traction vehicles. Evaluation of the efficiency of automatic control systems for analogue and digital rail vehicle electric drives. Research methods for new generation traction drive diagnostic systems.

Module aim

To provide detailed knowlegde about vehicle dynamics proceses, problems, their characteristics, mathematical modelling, to develop skilss to understand the physicals processes occuring in them are described mathematically and to choose solution met

Description

The vehicle considered as a complex dynamic system consisting of rigid and deformable bodies that are interconnected nonlinear physical (mechanical, hydraulic, pneumatic and electrical) connections. Analyzed the land, water and air vehicles (cars, wheeled tractors, locomotives, wagons, tank wagons, boats, airplanes, etc.) dynamic processes. Vehicle dynamic processes described by nonlinear differential equations. Road roughness characteristics. Wheel interaction with the road surface theories. The vehicle wheel mathematical models, their comparison and analysis. Deformable wheel mathematical model using the FEM for evaluating the tire dynamic, thermodynamic and hydrodynamic processes. Wheel interaction with a layer of water on the road surface (aquaplaning, Reynolds equation). The vehicle stochastic vibrations, comfort. Stability of vehicles, the stability analysis and stability Investigation zones. The vehicle anti-lock braking system (ABS) mathematical models. Dynamics of vehicle brak