Bachelor (BSc) - BME Gépjárműtechnológia Tanszék

Basic education

The aim of our Vehicle Engineering degree programme is to provide students with the knowledge necessary for the design, development, manufacture and operation of road, rail, water and air vehicles, construction and material handling equipment, taking into account the specificities of transport, transportation and logistics processes. In addition to a wide range of basic skills, students can choose from a range of specialisations during their studies. Our department offers Automotive specialization and Vehicle Manufacturing specialization, which provide the opportunity to acquire very extensive, relevant and up-to-date knowledge.

Fundamentals of Materials Science (BMEKOJJA106)

Description of lectures:

Grouping of vehicle structural materials; basic physico-chemical and thermodynamic concepts. Discussion of the ideal and realistic crystalline structure of metals (material defects) focusing on the most important metallic structural materials. Solidification from the melt state, phase diagrams of two-component alloys. The stable and metastable Fe-C phase diagram. Material properties resulting from the technology of iron and steel production. Non-equilibrium γ↔α phase transformations of steels under isothermal and non-isothermal conditions. Structural analysis of crystalline materials using X-rays. Electron microscopic examination techniques. Quantitative metallography, quality control options. Characteristics of non-ferrous metals and their alloys (Al, Cu, Ti, Mg alloys). The basics of material wear and tear: corrosion, fatigue, friction wear. Environmental protection, sustainable development, recycling.

Previous presentations of the material knowledge subject can also be viewed on the BME Videotorium: Link

A preview of the first lecture:

Material Technology, Industrial Manufacturing Systems (BMEKOGJA334)

Description of lectures:

The subject provides knowledge of vehicle structural materials’ types, properties, and comparison (steels, cast irons, light and non-ferrous metals, plastics). The main characteristics of plastic-forming technologies are presented as an additional area. Sheet metal formations, powder metallurgy, characteristics and processing of plastics, coating. Joining technologies used in vehicle production: welding, soldering, gluing, riveting. Basic cutting concepts. Basics of vehicle maintenance. Failure analysis. Vehicle parts repair and renovation technologies.

Material Technology, Vehicle Maintanance (BMEKOGJA254)

Description of lectures:

The subject provides knowledge of vehicle structural materials’ types, properties, and comparisons (steels, cast irons, light and non-ferrous metals, and plastics). The main characteristics of plastic-forming technologies are presented as an additional area. Sheet metal formations, powder metallurgy, characteristics and processing of plastics, coating. Joining technologies used in vehicle production: welding, soldering, gluing, riveting. Basic cutting concepts. Basics of vehicle maintenance. Failure analysis. Vehicle parts repair and renovation technologies.

Vehicle Manufacturing (BMEKOJJA162)

Description of lectures:

Production technologies and production activities, the product life cycle. Aspects of the selection of technological procedures. Quality assurance of vehicle production. The influence of the choice of materials and technologies on each other. The relationship between accuracy and cost. Elements and interactions of the technological (MKGSI) system. Structure, operation, materials and main characteristics of machine tools. Automation and customization in vehicle manufacturing. Planning, and optimization of cutting technology, limit and objective functions. Operation planning, and production documentation. Prefabrication selection, and planning of allowances. Measurement (regular and random errors), fitting, tolerance technology, and size chains. Length and angle measuring devices, mechanical, optically magnified, pneumatic, electric, digital devices, and 3D coordinate measuring machines. Surface topography and roughness measurement. Bulk size control, sizing tools. Production of typical vehicle component geometries: shaft-like, holed, multi-axial, spherical, flat, threaded, shaped, toothed, etc. type technologies of components. Cutting devices. Basic concepts, systems and strategies of vehicle maintenance and repair. Typical failures and repair technologies. Typical surface repair technologies. Repair of typical vehicle parts and main parts.

Vehicle Materials and Technologies (BMEKOGJA450)

Description of lectures:

Acquisition of basic engineering knowledge in vehicle materials and manufacturing technologies. The subject provides knowledge of vehicle structural materials’ types, properties, and comparisons (steels, cast irons, light and non-ferrous metals, plastics). The main characteristics of plastic-forming technologies are presented as an additional area. Sheet metal formations, powder metallurgy, characteristics and processing of plastics, coating. Joining technologies used in vehicle production: welding, soldering, gluing, riveting. Basic cutting concepts. Basics of vehicle maintenance. Failure analysis. Vehicle parts repair and renovation technologies.

Quality Management (BMEKOGJA148)

Description of lectures:

The topics of the “Quality” subject are: the subject, significance, and importance of quality; the development of quality systems and their characteristics in large economic regions; quality management systems based on standards and their role; quality (business excellence) awards and their role; the legal framework of quality matters, the regulators of quality matters; certification, auditing; economic aspects of quality; implementation of the “better quality at a cheaper price” philosophy; concepts related to quality, conformity, conformity assurance, expectations for quality characteristics, quality levels, the main phases of creating and shaping quality, sources of quality, quality
control, the organizational framework of creation; ISO 9000 family of standards, industry quality management standards, QS 9000 and ISO TS16949 standards, environmental management system, integrated quality management systems, process integrated quality management system, quality awards, TQM; self-monitoring, team culture, project culture, project management, continuous improvement, PDCA principle, problem solving and its techniques.

Quality Management in Vehicle Technique (BMEKOGJA154)

Description of lectures:

The topics of “Quality in vehicle technology” are: the subject, significance, and importance of quality; the development of quality systems and their characteristics in large economic regions; quality management systems based on standards and their role; quality (business excellence) awards and their role; the legal framework of quality matters, the regulators of quality matters; certification, auditing; economic aspects of quality; implementation of the “better quality at a cheaper price” philosophy; concepts related to quality, conformity, conformity assurance, expectations for quality characteristics, quality levels, the main phases of creating and shaping quality, sources of quality, quality control, organizational frameworks for creation; ISO 9000 family of standards, industry quality management standards, QS 9000 and ISO TS16949 standards, environmental management system, integrated quality management systems, process integrated quality management system, quality awards, TQM; self-monitoring, team culture, project culture, project management, continuous improvement, PDCA principle, problem solving and its techniques.

Automotive specialization

Within the Automotive specialization, students will learn about the construction of vehicles, from engines, transmission systems, chassis, brakes and steering systems to auxiliary electronic equipment and all relevant topics related to vehicle operation.

Automotive Electronics I. (BMEKOGJA519)

Description of lectures:

A brief overview of the basics, electronic components (passive and active components, basic circuits, power supplies, inverters). Electronic technology. Typical structures of systems used in vehicles, and architectures designed for safety-critical tasks. The process of producing and storing electrical energy in the vehicle, and its toolkit: batteries (Pb, NiCd, NiMH, LiIon), generators, their regulation, as well as ultracapacitors and solar cells. Presentation of the vehicle’s electrical system, standard markings applied to wiring and components, and the circuit diagram. Types, classification and operating mechanism of sensors and intervention elements (actuators). A detailed presentation of the different types of starter motors, as well as the critical operating condition and the starting process. Description of the communication systems used in vehicles (UART, CAN, LIN, FlexRay, MOST, Bluetooth) and standard diagnostic interfaces. Presentation of lighting and signaling devices (traditional, HID, LED), active and passive safety systems. A comprehensive description of the various methods and tools of vehicle diagnostics, and the most modern comfort systems of today’s vehicles.

Automotive Electronics II. (BMEKOGJA520)

Description of lectures:

Description of electrical systems related to internal combustion engines. Electronic systems of gasoline (ignition, gasoline injection, complex engine control) and diesel (electrical control of diesel dispensers, “common rail” systems) engines. Control of electronic systems connected to other elements of the drive chain, automatic transmissions and differentials. Electronically controlled brake systems (ABS, ASR, EBS, ESP, etc.), electronic control of the steering wheel and chassis. To describe electric vehicles, hybrid architectures, pure electric vehicles and the “Wheel End” unit. In developing electronic systems, software development procedures and the process of designing hardware elements are essential. Familiarity with modern modeling and simulation tools (MATLAB, Simulink). Description of instrumentation and testing methods and presentation of the automotive industry approval process and tool system.

Automotive Drivelines I. (BMEKOGJA511)

Description of lectures:

The purpose of the subject is to introduce the power transmission systems of modern passenger and commercial vehicles. In the first half of the subject, the basic knowledge of vehicle dynamics is presented, with the help of which the various planning aspects of power transmission systems become understandable. In addition to the various effects of the forces acting on the vehicle and the physical causes of their occurrence, we examine common methods that help the basic characteristics of any vehicle to be calculated and represented. In the second half of the subject, we get to know the structural elements of the power transmission system. Starting with the components of traditional drive chains, we will look at the operating principles of different clutch and gearbox designs, then we will move on to automatic transmission and all-wheel drive systems. At the end of the subject, the characteristics of hybrid and electric powertrains are also explained. During the semester, the lectures are supplemented by laboratory sessions, where students can gain practical experience by getting to know real constructions.

Automotive Drivelines II. (BMEKOGJA512)

Description of lectures:

The second subject of the subject line closely builds on the previous semester’s material. Based on the knowledge of vehicle dynamics and construction learned in the previous semester, the students have to analyze and redesign a real vehicle drive train in the semester homework. During the lectures, the focus is on supporting the design of power transmission systems with programming and simulation. The students start the semester by learning the basics of Matlab scripting, and then continue by implementing simple simulations in the Simulink environment. The skills acquired in the lectures not only serve to prepare the semester homework more efficiently, but also prepare the students to serve the real programming and simulation skill needs of the industry.

Road Vehicle Running Gears I. (BMEKOGJA513)

Description of lectures:

Within the framework of the two-semester Road Vehicle Running Gears course, knowledge related to wheel suspensions, vehicle brake systems and steering can be acquired. In the first semester, we first learn about vehicle dynamics, as knowledge of it is absolutely necessary for further studies. Within this, we will start with the dynamics of the tire, we will see what “four palms of safety” means, what happens in the connection between the wheel and the ground. We examine the vehicle’s stability conditions, learn about the specific behavior of understeer and oversteer vehicles and define what makes a vehicle manageable even for an average driver. After mastering the vehicle dynamics, the parameters of the chassis, such as wheel camber and wheel alignment, will be explained. Then we will see how the proper setting of these parameters of the chassis can help us improve the stability of the vehicle. Finally, we will look at some suspension types, analyzing them from several points of view. Another topic of the undercarriage course is the brake system. In the first semester, we first learn about the dynamic process of braking: we examine how we can stop our vehicle with the shortest possible braking distance without losing the vehicle’s stability. In the first semester, the structure of the hydraulic brake system of passenger vehicles will also be presented. Learning the course material of the first semester is aided by a closed paper and two homework assignments.

Road Vehicle Running Gears II. (BMEKOGJA514)

Description of lectures:

The second semester of the Road Vehicle Running Gears subject series builds on the knowledge learned in the first semester. Based on the basic knowledge of vehicle dynamics learned earlier, we will learn how to model the vehicle’s behavior with the help of mathematical models. This is complemented by a lab exercise, during which we will chase a small yellow truck on a virtual test track. We will also talk about the steering of motor vehicles, explaining the steering mechanisms of motor vehicles and the steering systems. This is also accompanied by a laboratory exercise: we record the characteristics of the steering gear on a vehicle. After that, we learn about vehicle suspension. Here, too, we start with a small dynamic explanation, as well as look at the requirements for vehicle suspensions. The springs used on vehicles will be presented, and we will also learn about the operation and construction of shock absorbers. During the related lab exercise, we create a mathematical model, with the help of which we can analyze the vibrations of the vehicle in the Matlab Simulink environment. In the second semester, we will learn about the construction and operation of air brake systems of commercial vehicles. This is complemented by a lab exercise, where we look at the different brake system functions on a brake system built on a test bench.

Automotive Engines I. (BMEKOGJA515)

Description of lectures:

Concept definitions and groupings of internal combustion engines. Historical overview of automotive engines. Systematization of internal combustion engines and heat engines. Operation mode and control circuit diagrams of two-stroke and four-stroke, gasoline and diesel engines. Application of Stirling and Rankine engines to drive motor vehicles. Wankel engine operation. Thermodynamics of internal combustion engines, comparative cycles, concept and cycle of the perfect engine. The main characteristics of the engines: are indicated and effective mean pressure, power, specific fuel consumption, torque, mean piston speed. Factors affecting the indicated characteristics, losses. Mechanical losses of engines, starting and starting systems. The concept of torque and speed flexibility of the motor. Characteristics and temperature balance of motors. Effect of environmental conditions on engine performance, normal performance. Main dimensions and geometric characteristics of motors. Structural designs, the crankcase and the cylinder head. Design, kinematics, dynamics, equations of motion, mass balances and torsional swings of the crank gear. Charge exchange control of internal combustion engines: valve and partial control solutions. Engine cooling, liquid cooling, design, components and regulation of the cooling system. The need for lubrication, classification of lubrication systems. Wet and dry sump lubrication systems, and oil filters. Supervised of the lubrication system.

Automotive Engines II. (BMEKOGJA516)

Description of lectures:

Engine fuels, lubricants, motor gasoline, gas oils, and alternative propellants. Mixture forming systems for gasoline and diesel engines. Carburetor operation. Per-cylinder and central fuel injectors. Dosing pumps for diesel engines, modern dosing atomizers and pressure storage injection systems. Energy conversion in internal combustion engines. Ignition and combustion in spark-ignition and compression-ignition engines. Combustion processes in gasoline and diesel engines, combustion chamber design, comparison. Abnormal combustion processes. Recording of the indicator diagram, and analysis of combustion processes. The generation of air pollutants entering the environment from engines. Factors influencing engine emissions. Emission reduction and management options. Charge exchange processes of internal combustion engines. Flow and acoustic design of the valve control, intake and exhaust system. Filtering the air entering the engine. Rotational training. Engine braking devices. Purpose and characteristics of uploading. The cooperation of superchargers and the engine. Turbocharging, mechanical and Comprex charging procedures.

Road Vehicle operation I. (BMEKOGJA517)

Description of lectures:

The lectures emphasize the causes and processes of component and main part failures during operation, vehicle maintenance systems and operations. In connection with the vehicle operation subject, we deal in detail with vehicle diagnostics, which is a special area of technical diagnostics. Due to the nature of the structures used and their complex operating characteristics, it also requires the solution of several specific condition inspection tasks. The increasingly complex structures of vehicles, the electronic controls, and the equipment that meets the growing needs of traffic safety and environmental protection can no longer be checked traditionally but only with modern testing instruments, so diagnostics has become an indispensable element of maintenance and fault finding and has been integrated into the vehicle maintenance system. We deal separately with modern vehicle dynamics systems, technical equipment and measurement methods. Furthermore, within the framework of the subject, we deal with correcting errors discovered during maintenance and diagnostic work.

Road Vehicle operation II. (BMEKOGJA518)

Description of lectures:

Based on the knowledge acquired in the framework of the Vehicle Operation and Diagnostics I subject, knowledge of the repair methods and procedures of the failures revealed during the diagnostic tests after test bench tests for each small main part. Within this framework, specialized exploration of the specific causes of localized errors (e.g., in the event of a brake performance test concluded with unsatisfactory results, a test bench examination of brake system elements, a deeper analysis of failed elements, related to components). The subject discusses the relevant EGB-ECE and EU regulations, the domestic homologation requirements system. We also deal with the theoretical and practical problems of technical valuation and technical accident analysis. In a separate block, we describe the complex and increasingly important issue of vehicle recycling. In connection with this, the relevant EU and domestic legislation, the steps and technology of collection, pre-treatment, drying, pre-dismantling of end-of-life vehicles, classification (color coding) of dismantled parts, shredding and separation of material flows of the dismantled bodywork are explained. The recycling methods and procedures of individual material streams generated during processing (iron and steel waste, non-ferrous metals, plastic and elastomer materials, glasses, batteries, cables and catalysts) are introduced.

Vehicle Manufacturing specialization

The specialization in Vehicle Manufacturing covers the processes and engineering tasks required to manufacture vehicles, from classical manufacturing processes to the most modern technologies.

Manufacturing Automation (BMEKOJJA567)

Description of lectures:

To provide knowledge about the principles and history of production automation, the tools of flexible production, the operating direction of NC, and CNC machines, the operation of management and control systems, and the integration of units into the system. Bringing 3D coordinate measurement technology into contact with automated production. The possibilities of CAD/CAM integration and additive manufacturing. Measuring technology (integration into production), tool supervision. The role of robots in integrated manufacturing. Description of the possibilities of Industry 4.0.

Materials of Vehicles (BMEKOJJA565)

Description of lectures:

The purpose of the subject is to deepen the scientific content of the most important topics of material knowledge, vehicle materials, bulk and surface materials for the proper in-depth acquisition of property modifications and the understanding of their modern instrumental tests.
Main areas:

thermodynamic foundations of solid-state,
solid phase transformations and their thermodynamics,
non-equilibrium systems,
possibilities of increasing strength,
metal-gas systems,
interfacial energies,
types, purposes and methods of surface modification procedures.

Traditional and modern materials used in the vehicle industry, their properties and modifications:

alloys: modern high-strength steels, Al-based (castable and malleable alloys), Mg-based, Cu-based and special alloys (high-strength, superalloys, Ti-based alloys…)
ferromagnetic materials,
associated and composite materials and structures,
types of traditionally produced technical ceramics and their production.

Diagnostic of Vehicles (BMEKOJJA572)

Description of lectures:

Basic concepts. Tasks and methods of error detection. Vehicle inspections for traffic safety and reliable, economical operation. Basics of technical diagnostics. Diagnostic methods based on various principles and the operation and usage characteristics of the corresponding devices for the most typical test cases, e.g.: photo, video, high-speed video, endoscopy, thermovision, vibration tests, body sound (acoustic emission), penetration, ultrasound, eddy current fault detection. Vehicle diagnostic expert systems. Evaluation and documentation of test results.

Vehicle-production I. (BMEKOJJA568)

Description of lectures:

It provides knowledge from an engineering perspective and the basis for practical work on vehicles’ manufacturing and repair processes and their components. Furthermore, the production technology of the moulding materials (profiles) appears. Mechanical properties of different raw materials (steels, light metals). Development of mechanical properties by heat treatment. Description of the basic principles and technological characteristics of profile processing technologies (cutting, punching, bending, deep drawing) and definition of technological parameters. Structure of the tools of each technology. Presentation of possible errors in production processes and the procedures for correcting them. Production technologies of bodywork elements. Assembling parts manufactured using different technologies into sub-assemblies by welding, riveting and gluing. Welding technologies of steel and non-ferrous metals. Gas welding, Arc welding: coated electrode manual arc welding, covered arc welding, shielded gas welding (AWI, AFI). Resistance welding. Special welding procedures. Welding technology and the fundamentals of weldability. Thermal cuts. Metal spraying, plasma spraying. Adhesives used in vehicle manufacturing.

Vehicle-production II. (BMEKOJJA569)

Description of lectures:

It provides knowledge from an engineering perspective and the basis for practical work on the manufacturing and repair processes of vehicles and their components, cutting and fine surface processing technologies, as well as their equipment, tools, devices, and their productive and economical operation. Manufacturing technologies of vehicle components, basics of process planning. Fundamentals of cutting technologies, typical tools (lathe, drill, milling, hollowing, threading, toothing, grinder), materials, their selection, renovation and design. Tool management. The role of devices in vehicle manufacturing, the structure of devices, orientation, collision, fixing methods, the basics of designing cutting devices, EÖK. The purpose and content of plant installation, the basic principles of factory planning and investment. Characteristics of lean manufacturing. Construction of cutting, welding, pressing and assembly plants.

Quality-systems (BMEKOJJA570)

Description of lectures:

Introducing the students to the basic concepts of quality and quality management, the design, operation, review and development of the quality management system. Basic concepts of quality and quality management: basic principles of quality management, the concept of quality, quality requirements, models that can be created from processes, the most important process types, documentation system of quality management activities, auditing, and standards. Quality management at the company: strategic planning, management’s quality-related tasks, methods of creating quality, QFD, risk reduction procedures (fault tree, FMEA), quality control of the production process (SPC, TPM), selection of suppliers, monitoring of products. Measurement and testing activities.

Sensorics and Materials in Sensorics (BMEKOJJA441)

Description of lectures:

Concept of sensors, basic knowledge, features, characteristics, signals and interfaces. Basics of signal processing. Sensors for motor vehicles, sensors for material handlers and work machines for special vehicles. Sensors used in machine manufacturing and the automotive industry. Traffic, meteorological/environmental sensors. Special sensor technologies, special sensory materials.

Assembly (BMEKOJJA571)

Description of lectures:

Installation construction requirements for traditional, hybrid and e-vehicles. The dimension chain installation. Processes and operation groups in assembly. Technological planning and documentation of the assembly. Technology of screw joints, rivet joints, joints created by plastic shaping, glued joints and their tools. Especially the characteristics and tools of component connections used in the vehicle industry. Installation of axle-hub connections. Requirements and means of bearing installation. Treatment technique operations and tools. Tools of mechanization and automation in assembly. Construction and operation of assembly cells. General model, construction, operation, control and types of assembly systems. Automotive assembly systems. Simulation of assembly processes. Logistics processes and tools of assembly lines. The essence of the delivery activity, its quality requirements and the conditions for becoming a supplier.

Basic education

Automotive specialization

Vehicle Manufacturing specialization

Department of Automotive Technologies (GJT)

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