AIAA Atmospheric Flight Mechanics Conference 2014
DOI: 10.2514/6.2014-0036
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Piloted Simulation Evaluation of a Model-Predictive Automatic Recovery System to Prevent Vehicle Loss of Control on Approach

Abstract: This paper describes a model-predictive automatic recovery system for aircraft on the verge of a loss-of-control situation. The system determines when it must intervene to prevent an imminent accident, resulting from a poor approach. It estimates the altitude loss that would result from a go-around maneuver at the current flight condition. If the loss is projected to violate a minimum altitude threshold, the maneuver is automatically triggered. The system deactivates to allow landing once several criteria are … Show more

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Cited by 10 publications
(2 citation statements)
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“…C-MAPSS40k models a 40,000-lbf thrust class, high-bypass ratio turbofan engine with a representative commercial-type controller. There have been multiple control and diagnostic algorithms demonstrated using the combined simulation, [26][27][28] or C-MAPSS40k [29][30][31] by itself, so the initial implementation of the architecture framework was in place.…”
Section: A Testbedmentioning
confidence: 99%
“…C-MAPSS40k models a 40,000-lbf thrust class, high-bypass ratio turbofan engine with a representative commercial-type controller. There have been multiple control and diagnostic algorithms demonstrated using the combined simulation, [26][27][28] or C-MAPSS40k [29][30][31] by itself, so the initial implementation of the architecture framework was in place.…”
Section: A Testbedmentioning
confidence: 99%
“…For example, an exemption may be granted for the engine response requirement (FAR §33.73(b)) on the basis of compliance with the climb performance for installed thrust requirement, FAR §25.119, 9 which states that the thrust achieved eight seconds after power application (starting from minimum flight idle) must allow a climb gradient (the ratio of the increase of altitude to horizontal distance travelled, expressed as a percentage) of not less than 3.2% for a go-around. 10 Previous testing has demonstrated go-around maneuvers from a variety of approaches, 11 both stabilized and unstabilized. 12 In all cases, the aircraft started to climb at a relatively constant rate within eight seconds (Figure 2), and much sooner in the more stabilized approaches (where the sink rate was less than 1000 ft/s at an appropriate approach speed).…”
Section: Introductionmentioning
confidence: 99%