Advanced Course in Flight Mechanics (5cr)

Objectives

Once you successfully complete this module:Knowledge & understandingYou will be able to work out and understand the complete aircraft dynamics, acquiring the basis to achieve more complex flight control tasks.You will be able to explain the flight dynamic modeling of the aircraft as a rigid body and discuss simplifications made and their effects on the controller design.You will be able to explain the inherent dynamics of uncontrolled aircraft and describe typical requirements for controller design.You will be able to define stability of linear systems and to verify and evaluate them with common methods.You will be conversant with control systems analysis and design, the various techniques use to mathematically model them, and discuss different controller concepts from damping increase to trajectory control based on available sensor and actuator technology.You will be able to explain typical linear controller design methods and justify their selection.You will have a good understanding feedforward control and its difference with feedback control.You will be able to justify the use of reference variable generators, feedforward controllers and observers using longitudinal motion as an example and explain how they work.You will be able to solve the control problems of an aircraft, to be treated through suitable controller design and adaptation using a variety of linear methods (root locus curves, pole specification, linear-quadratic controller).You will be capable to solve problems regarding stability and tracking the performance of aircraft by appropriate controller design and adjustment with aid of multiple linear methods.You will be able to name and describe advanced flight control concepts as a basis for a scientific activityModule specific skillsYou will perform linearization to create linear state space models.You will carry out analyses of aircraft dynamics with the help of MATLAB.You will learn to implement flight control algorithms in Simulink, solve numerical nonlinear simulation as well as linear control design.You will use your knowledge of MATLAB/Simulink to visualize and discuss the properties of the respective control laws.You will be able to implement the controller structures discussed in MATLAB/Simulink, design suitable controller parameters and carry out stability investigations.Transferable & generic skillsYou will develop an ability to read, understand & interpret basic aircraft engineering publications.You will be able to write basic computer programs &, evaluate & critically analyze the results obtained.You will be able to clearly communicate your work in written reports.You will be able to synthesize information obtained from a range of sources.You will be able to study & learn both independently & with peers.

Content

IntroductionBenefits of flight controllersIntroduction to flight controlState of the art in flight controlFlight control projects at the Technical University of BraunschweigBasics of MATLAB & SIMULINKA review of the fundamentals of flight dynamicsBasic terminologyEquations of motionBasics of systems & controlDifferential EquationsSystems in the frequency domainFlight Control part I (Introduction into classical control)Cascade controlFeedforward controlSetpoint generatorFlight Control part II (Continuation of the classic flight control)ObserverSimulation of the actuator dynamicsDiscrete-time systemsFlight Control part III (Modern linear control methods)IntroductionPole-PlacementOptimal Control (LQR)Outlook

Prerequisites

PrerequisiteCode: KONE.730Name: Aerodynamics and Flight MechanicsECTS credits: 5Mandatory: Mandatory