Digital Flight Control Systems: Analysis and Design

Course Outline

Day 1

Introduction & Problem Definition, Flight Dynamics: development of non-linear equations of motion, development of linear equations of motion, standard trim conditions, development of stability and control derivatives, Classical Design of Continuous Controllers Using SISO Tools: problem definition, Laplace Transforms, complex plane analysis of linear SISO systems, analysis of closed loop SISO systems, compensators, frequency response of linear 1^st and 2^nd order systems, Bode diagrams, system identification, design of SISO closed loop control systems.

Day 2

Classical Design of Continuous Controllers Using SISO Tools (cont.): Design of typical continuous lateral and longitudinal control modes for continuous MIMO vehicles, implementation of perturbation controllers in non-linear MIMO vehicles.
Classical Design of Sampled Data Controllers Using SISO Tools: problem definition, develop models of sampler and ZOH, complex plane analysis of linear SISO sampled data systems, analysis of closed loop SISO sampled data systems, z-plane compensators, design of typical sampled data lateral and longitudinal control modes for continuous MIMO vehicles, implementation of perturbation controllers in non-linear MIMO vehicles.

Day 3

Modern Design of Continuous MIMO Controllers: analysis of MIMO systems, development of continuous Linear Quadratic Regulator, weighting matrix selection, non-zero set point problem, proportional integral structure, control rate weighting structure, PIF structure, comparison of PIF and PID control structures, design of typical lateral and longitudinal control modes for continuous MIMO vehicles using modern techniques.

Day 4

Modern Design of Sampled Data MIMO Controllers: development and analysis of digital MIMO systems, development of discrete and sampled data Linear Quadratic Regulator, weighting matrix selection, non-zero set point problem, proportional integral structure, control rate weighting structure, PIF structure, design of typical sampled data lateral and longitudinal control modes for MIMO vehicles using modern techniques.

Day 5

Output Feedback for Sampled Data Controllers: development of output feedback design techniques, command generator tracker, output feedback-PIF-CGT MIMO sampled data controllers, design of typical sampled data lateral and longitudinal control modes for MIMO vehicles using output feedback techniques.