ECTS credits: 5
Lectures: 2
Exercises: 2

Course objective:

Knowledge of the theory of movement of military tracked vehicles and specific features of the transmission structure.

Course contents:

Analysis of forces and moments acting on the tracked vehicle during the rectilinear movement. Development of traction calculations for rectilinear movement. Construction of traction diagrams for rectilinear movement. Swerve kinematics. Analysis of external forces and moments acting on the tracked vehicle during a swerve. Development of traction calculations of tracked vehicles in a swerve. Construction of traction diagrams for the swerve of a tracked vehicle. Transmission of armoured tracked vehicles. Planetary gears. Forces and moments acting on the elements of planetary gears. Calculation of load on elements of complex planetary gears. Characteristic examples of assembly structures for performing a swerve in armoured tracked vehicles. Defining kinematic possibilities of swerve mechanisms. Defining load calculations for elements of swerve mechanisms.

Competences:

Analysis of dynamic characteristics of rectilinear movement and swerving movement of tracked vehicles. Ability to evaluate construction, assemblies and devices in armoured tracked vehicles. Competence to assess the impact of the assembly structure of tracked vehicle transmissions on their maintenance.

Learning outcomes:

Having passed the exam, the student will be able to: 1. Calculate and analyse external motion resistance, traction and adhesive forces for rectilinear movement, calculate the necessary power of the engine to achieve conditions set for the movement of tracked vehicles, using the computer. 2. Draw traction diagrams for rectilinear movement of a tracked vehicle using the computer, compare traction-dynamic properties of different military vehicles. 3. Calculate external resistance for a swerving tracked vehicle using information technologies, calculate and draw traction characteristics of a swerving tracked vehicle. 4. Compare traction-dynamic properties of different swerving military vehicles. 5. Calculate the transmission ratio, angular velocity and swerve momenta for the elements of a complex planetary gear, using the computer. 6. Compare different planetary gearing structures and recognise the advantages and disadvantages of individual structural solutions. 7. Analyse and explain kinematic possibilities of individual swerve mechanisms. 8. Recognise the advantages and disadvantages of individual structural solutions of the swerve mechanism in order to define its quality. These learning outcomes contribute to the following outcomes of the study programme of motor vehicle maintenance: - Explain the physical parameters of motor vehicle construction. - Analyse the properties and performances of motor vehicles. - Explain the working principles for the assemblies and devices in motor vehicles.