23-01-2020 дата публикации
Номер: US20200026308A1
An aircraft flight control system and method are provided. The system provides a control module that receives inertial data, sensor data, and a target airspeed. The control module processes the received data with aircraft thrust and drag models to evaluate the aircraft energy state. Based on the aircraft energy state, the control module determines (i) a maximum predicted potential flight path “max PPFP”, defined by a maximum thrust at the target airspeed, and (ii) an idle predicted potential flight path, “idle PPFP,” defined by an idle thrust at the target airspeed. The control module generates display commands for a display system to display (i) the flight path angle, (ii) the max PPFP and (iii) the idle PPFP. In addition, the control module generates and displays a predicted flight path speed indicator (PFPS) when the FPA is above the max PPFP or below the idle PPFP. 1. A method for providing flight path angle (FPA) information on a primary flight display (PFD) of an aircraft , the method comprising:receiving, from a user interface, a target airspeed;receiving, from a navigation system, navigation data comprising a flight path angle, attitude, and airspeed;receiving, from on-board sensors, sensor data comprising environmental data and engine thrust status; processing the navigation data, the sensor data, and the target airspeed, to determine (i) a maximum predicted potential flight path (max PPFP), defined by a maximum thrust at the target airspeed, and (ii) an idle predicted potential flight path (idle PPFP), defined by an idle thrust at the target airspeed;', 'commanding the PFD to render symbolic indicators for, (i) the flight path angle, and (ii) a first symbol that represents the max PPFP and a second symbol that represents the idle PPFP;', 'determining, when the max PPFP is greater than the FPA, and the FPA is greater than the idle PPFP, that the aircraft is in a speed controlled zone; and', 'commanding the PFD to display an indicator of an auto-throttle (A/ ...
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