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System and method to modify an aircraft flight trajectory

專利號(hào)
US10867520B2
公開日期
2020-12-15
申請(qǐng)人
THE BOEING COMPANY(US IL Chicago)
發(fā)明人
Christopher J. Heiberg; Thomas E. Yochum
IPC分類
G08G5/00; B64C13/18; B64C13/16
技術(shù)領(lǐng)域
flight,waypoint,trajectory,profile,turn,aircraft,wpt2,initial,wpt1,waypoints
地域: IL IL Chicago

摘要

A method includes generating a flight plan of an aircraft. The flight plan is based on at least one waypoint and a set of operational rules associated with the aircraft. The method also includes generating an initial trajectory profile based on the at least one waypoint and the set of operational rules. The method further includes identifying an impermissible flight condition associated with the initial trajectory profile. The impermissible flight condition violates at least one operational rule of the set of operational rules. The method further includes generating a modified trajectory profile by modifying at least one aspect of the initial trajectory profile to remove the impermissible flight condition. The modified trajectory profile can be used by a pilot to fly the aircraft, the modified trajectory profile can be used by an autopilot system, or the modified trajectory profile can be displayed.

說明書

In FIG. 15, a point on the inbound course is selected where a line is extended from that point at a predetermined departure angle from the inbound course that would intercept the second waypoint (WPT2). If the angle between the new segment and the second waypoint (WPT2) outbound course results in a fly-by turn (i.e., the trajectory crosses the way-line between waypoints), a course capture is formed from the new line to the second waypoint (WPT2) outbound course. If the turn from the new segment to the second waypoint (WPT2) outbound course would result in the trajectory crossing the way-line outside of the two waypoints, the departure angle can be adjusted.

Referring to FIG. 16, a diagram of a process 1600 for adjusting a trajectory profile is shown. The process 1600 can be performed by flight management system 202 of FIG. 2. The process 1600 illustrates an example of modifying at least one aspect (e.g., the second segment 262) of the initial trajectory profile 232 by inserting a straight segment between a first turn included in the second segment 262 of the initial trajectory profile 232 and a second turn included in the second segment 262 of the initial trajectory profile.

權(quán)利要求

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