State doctoral exam topics
Air Traffic Control
Aerodynamics, Structures and engines of aircraft
- Basic principles and laws application in the incompressible and compressible fluid flow.
- Experimental aerodynamics, dimensionless similarity criteria used in the aerodynamics.
- Basic flight performance and properties of the aircraft.
- Aerodynamics of the profile, wings and aircraft at subsonic, transonic and supersonic flow.
- Loads and stress of the aircraft structures.
- Structural arrangement of the aircraft – wing, fuselage, tail surfaces, landing gear.
- The strength and durability of the aircraft structures, fatigue failure, aeroelasticity.
- Basic aircraft systems, control systems of the airplane.
- Basic types of aircraft propulsion units and their properties, thrust and propulsive efficiency.
- Structural arrangement of the turbojet and turbofan aircraft engine, basic properties and characteristics, thrust and power control systems of jet engines.
Sensors, signal processing and buses
- Analog signal processing and digitization. Digital filter design. Numerical data processing methods. Signal modelling and classification, time series prediction.
- Signals, Laplace, z- and Fourier transforms
- Aircraft buses ARINC, CSDB, ASCB, MIL STD and others.
- Transmission media. Overview of used transmission path, environment based selection. Metallic and optical communication channels.
- Distributed system control. Network topology. Media access control. Data transfer security.
- Sensors for measuring of geometrical quantities and navigation, sensors and transducers for measurement of vibration, velocity, mechanical strain
- Sensors of pressure, flowrate, level, temperature, force and torque
- Smart sensors, sensor buses, measurement systems. Error correction, calibration and sensor diagnostics
Avionics
- Systems theory - definitions, description, analyses. State estimation, adaptive filtering. LTI.
- Methods used for data estimation and evaluation.
- Aircraft avionics, requirements, regulations and legislation, electromagnetic compatibility.
- Aircraft power sources and network. Sensors and systems for aircraft engine monitoring.
- Sensors and systems for measuring and evaluating aerometric quantities. Gyroscopic based navigation and stabilized instrumentation.
- Inertial navigation systems. Navigation based on Earth magnetic field.
- Central aircraft monitoring systems. Ground proximity warning systems. Flight data recorders, build-in test equipment.
Flight Control Systems
- Flight Control Systems (FCS).
- FCS, structure and subsystems.
- FCS, control levels hierarchy.
- Semi-automatic flight control systems.
- Attitude angle stabilization. Attitude hold autopilots
- Automatic guidance. Vertical and horizantal plane.
- Airspeed stabilization.
- Final approach.
Aircraft radioelectronics and navigation
- Analogue and digital modulations in aeronautical radio systems.
- Aeronautical VHF data links.
- Aeronautical VHF voice communication.
- Aeronautical radio navigation systems - overview and future.
- Radio air navigation system for approaching and landing. Overview, errors and precision, coverage. Future of the system.
- DME system, precision. Next development and prospective.
- Satellite navigation systems and their applications in aeronautics (GPS, GLONASS, GALILEO, COMPAS).
- Augmentation systems, their aim and principles (WAAS, EGNOS, etc.).
- System eLORAN and its possibilities as backup system of satellite navigation.
- Radio waves propagation and its influence on quality of radio navigation systems.