Integration aspects of flight and engine control laws in the context of the longitudinal motion control of commercial aircraft are the concern in this paper. The application of the entailing concepts in the scope of an energy-based multivariable control design is developed along with a case study using dedicated aircraft and engine models. It consists of an enhancement of the Total Energy Control System (TECS), which is modified with respect to the following aspects: (a) the inclusion of engine feedback variables to its core control loop, which is extended and improved with respect to the command interface from the throttle control channel, and (b) the use of a two degree of freedom linear control law based on independent multivariable gain scheduled feed-forward and feedback controllers. Additionally, a systematic design framework is proposed to account for the robustness of stability and performance of the control law in face of plant uncertainties, as well as to allow the evaluation and integration of engine restrictions already in the early design stages.
Flight and engine control laws integration based on robust control and energy principles
CEAS Aeronaut J
CEAS Aeronautical Journal ; 13 , 4 ; 905-921
2022-10-01
17 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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