A GPC-based auto-throttle with robust fuel-efficient operation in 4D flights
This paper introduces a novel auto-throttle controller designed for robust and fuel-efficient operation under changing flight conditions in four-dimensional (4D) flight trajectories (3D + time). Following typical receding horizon techniques, the throttle values are obtained by optimizing the predict...
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| Veröffentlicht in: | Aerospace science and technology 2015-01, Vol.40, p.128-137 |
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| container_title | Aerospace science and technology |
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| creator | Dimogianopoulos, Dimitrios Petratos, Vangelis Kopsaftopoulos, Fotis Fassois, Spilios |
| description | This paper introduces a novel auto-throttle controller designed for robust and fuel-efficient operation under changing flight conditions in four-dimensional (4D) flight trajectories (3D + time). Following typical receding horizon techniques, the throttle values are obtained by optimizing the predicted response of the system over future time intervals. The novelty is two-fold: First, the controller is designed to achieve a user-defined, realistic reference value for the aircraft Specific Fuel Consumption (SFC), while maintaining the nominal safety margins during the 4D flights. Second, the throttle commands result from a closed-form expression with minimal computational effort, thus simplifying the proposed auto-throttle's on-board implementation. Tests against a conventional PID-based auto-throttle illustrate the current controller's superior robustness under challenging flight conditions (turbulence). |
| doi_str_mv | 10.1016/j.ast.2014.11.002 |
| format | Article |
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| language | eng |
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| source | Access via ScienceDirect (Elsevier) |
| subjects | 4D flights Aircraft ARX models Auto-throttle Exact solutions Flight conditions Fuel consumption Generalized predictive control Model predictive control Safety margins Specific fuel consumption Three dimensional Throttles Turbulent flow |
| title | A GPC-based auto-throttle with robust fuel-efficient operation in 4D flights |
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