Faculty of Electrical Engineering

Czech Technical University in Prague

CTU in Prague

State doctoral exam topics

Air Traffic Control

Aerodynamics, Structures and engines of aircraft

  1. Basic principles and laws application in the incompressible and compressible fluid flow.
  2. Experimental aerodynamics, dimensionless similarity criteria used in the aerodynamics.
  3. Basic flight performance and properties of the aircraft.
  4. Aerodynamics of the profile, wings and aircraft at subsonic, transonic and supersonic flow.
  5. Loads and stress of the aircraft structures.
  6. Structural arrangement of the aircraft – wing, fuselage, tail surfaces, landing gear.
  7. The strength and durability of the aircraft structures, fatigue failure, aeroelasticity.
  8. Basic aircraft systems, control systems of the airplane.
  9. Basic types of aircraft propulsion units and their properties, thrust and propulsive efficiency.
  10. 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

  1. Analog signal processing and digitization. Digital filter design. Numerical data processing methods. Signal modelling and classification, time series prediction.
  2. Signals, Laplace, z- and Fourier transforms
  3. Aircraft buses ARINC, CSDB, ASCB, MIL STD and others.
  4. Transmission media. Overview of used transmission path, environment based selection. Metallic and optical communication channels.
  5. Distributed system control. Network topology. Media access  control. Data transfer security.
  6. Sensors for measuring of geometrical quantities and navigation,  sensors and transducers for measurement of vibration, velocity, mechanical strain
  7. Sensors of pressure, flowrate, level, temperature, force and torque
  8. Smart sensors, sensor buses, measurement systems. Error correction, calibration and sensor diagnostics

Avionics

  1. Systems theory - definitions, description, analyses. State estimation, adaptive filtering. LTI.
  2. Methods used for data estimation and evaluation.
  3. Aircraft avionics, requirements, regulations and legislation, electromagnetic compatibility.
  4. Aircraft power sources and network. Sensors and systems for aircraft engine monitoring.
  5. Sensors and systems for measuring and evaluating aerometric quantities. Gyroscopic based navigation and stabilized instrumentation.
  6. Inertial navigation systems. Navigation based on Earth magnetic field.
  7. Central aircraft monitoring systems. Ground proximity warning systems. Flight data recorders, build-in test equipment.

Flight Control Systems

  1. Flight Control Systems (FCS).
  2. FCS, structure and subsystems.
  3. FCS, control levels hierarchy.
  4. Semi-automatic flight control systems.
  5. Attitude angle stabilization. Attitude hold autopilots
  6. Automatic guidance. Vertical and horizantal plane.
  7. Airspeed stabilization.
  8. Final approach.

Aircraft radioelectronics and navigation

  1. Analogue and digital modulations in aeronautical radio systems.
  2. Aeronautical VHF data links.
  3. Aeronautical VHF voice communication.
  4. Aeronautical radio navigation systems - overview and future.
  5. Radio air navigation system for approaching and landing. Overview, errors and precision, coverage. Future of the system.
  6. DME system, precision. Next development and prospective.
  7. Satellite navigation systems and their applications in aeronautics (GPS, GLONASS, GALILEO, COMPAS).
  8. Augmentation systems, their aim and principles (WAAS, EGNOS, etc.).
  9. System eLORAN and its possibilities as backup system of satellite navigation.
  10. Radio waves propagation and its influence on quality of radio navigation systems.
Responsible person: RNDr. Patrik Mottl, Ph.D.