# US 11,440,515 B2 · Automated takeoff system for an aircraft

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- Number: US 11,440,515 B2
- Document ID: US11440515B2
- Status: Granted
- Kind: B2
- Application number: 16/102,414
- Filed: 2018-08-13
- Published: 2019-04-11
- Granted: 2022-09-13
- Earliest claimed: 2017-10-06
- Assignees: Rockwell Collins, Inc.
- Applicants: Rockwell Collins, Inc.
- Inventors: Krishna Pandey
- Web page: https://patentgrep.com/patent/US11440515B2

## CPC

- B60T 8/1703: {for aircrafts}
- B60T 7/12: for automatic initiation; for initiation not subject to will of driver or passenger {(limiting speed of vehicles other than rail vehicles B60K31/00)}
- B60T 8/171: Detecting parameters used in the regulation; Measuring values used in the regulation
- B60T 8/885: {using electrical circuitry}
- B60T 13/662: {characterised by specified functions of the control system components}
- B64C 25/42: Arrangement or adaptation of brakes
- B64C 25/426: {Braking devices providing an automatic sequence of braking}
- B64D 31/09: in response to power plant failure
- B64D 33/04: of exhaust outlets or jet pipes
- B64D 45/00: Aircraft indicators or protectors not otherwise provided for
- B60T 2270/402: Back-up
- B60T 2270/406: Test-mode; Self-diagnosis
- B64D 2045/0085: {Devices for aircraft health monitoring, e.g. monitoring flutter or vibration}
- B60T: VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL (electrodynamic brake systems for vehicle, in general B60L; brakes per se, i.e. devices where braking effect occurs, including ultimate brake actuators, F16D); ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B64C: AEROPLANES; HELICOPTERS
- B64D: EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT

## Abstract

An automated take-off system for an aircraft includes a processing circuit an automated braking system of the aircraft, the automated braking system configured to cause the aircraft to stop. The processing circuit is configured to determine whether the speed of the aircraft less than a VR speed and an aircraft failure event has occurred and determine whether to abort the takeoff or continue the takeoff in response to determining that the speed of the aircraft is less than the VR speed and that the aircraft failure event has occurred. The processing circuit is configured to cause the automated braking system to stop the aircraft in response to determining to abort the takeoff.

## Claims

### Claim 1

An automated take-off system for an aircraft, the system comprising:
an automated braking system of the aircraft, the braking system configured to cause the aircraft to stop;
a pilot interface;
a sensor system configured to detect a one engine inoperative event and a tire failure event; and
a processing circuit configured to determine whether to abort the takeoff or continue the takeoff based on the speed of the aircraft and a remaining runway length, comprising:
a fault monitor configured to:
receive information from the sensor system and a flight management system; and
determine whether a fault event has occurred from a set of fault events wherein the set of fault events includes the one engine failure event, the tire failure event, and an improper configuration event; and
a VSpeed circuit configured to determine a VR speed and a V1 speed based on a set of conditions comprising runway length, an aircraft weight, weather conditions, runway conditions, flap settings, and thrust settings, the processing circuit further configured to:
receive input from the pilot interface and input from one or more avionics systems of the aircraft;
determine a stopping distance of the aircraft based on at least the speed of the aircraft;
determine the remaining runway length;
compare the stopping distance to the remaining runway length;
determine whether a speed of the aircraft is less than a VR speed;
determine to abort the takeoff in response to determining, based on a comparison, that the speed of the aircraft is less than the VR speed and that the fault event has occurred, or determine to abort the takeoff in response to determining, based on the comparison, that the stopping distance is not greater than the remaining runway length;
determine to continue the takeoff in response to determining, based on the comparison, that the stopping distance is greater than the remaining runway length; and
cause the automated braking system to stop the aircraft in response to determining to abort the takeoff.

### Claim 2 (depends on 1)

The system of claim 1, wherein the processing circuit is configured to:
determine whether the aircraft comprises the automated braking system; and
cause the braking system to stop the aircraft in response to determining to abort the takeoff and in response to determining that the aircraft comprises the automated braking system.

### Claim 3 (depends on 1)

The system of claim 1, wherein the processing circuit is configured to:
determine whether the speed of the aircraft is less than a V1 speed; and
determine to abort the takeoff in response to determining that the speed of the aircraft is less than the V1 speed and that the aircraft failure event has occurred.

### Claim 4 (depends on 1)

The system of claim 1, wherein the processing circuit is configured to cause the automated braking system to stop the aircraft by causing thrusters of the aircraft to be reversed and aircraft brakes to be applied.

### Claim 5 (depends on 1)

The system of claim 1, wherein the system further comprises an audio system configured to play audible instructions to a pilot, wherein the instructions comprise an audio message indicating that the pilot should abort the takeoff and another audio message indicating that the pilot should continue the takeoff.

### Claim 6 (depends on 5)

The system of claim 5, wherein the processing circuit is configured to:
cause the audio system to play the audio message indicating that the pilot should abort the takeoff in response to abort the takeoff; and
cause the audio system to play the audio message indicating that the pilot should continue the take the takeoff in response to continue the takeoff.

### Claim 7 (depends on 1)

The system of claim 1, wherein the system further comprises a lighting system configured to illuminate a first color or a second color indicating to the pilot whether to continue takeoff or abort takeoff; and
wherein the processing circuit is configured to:
cause the lighting system to illuminate the first color in response to determining to abort the takeoff;
cause the lighting system to illuminate the second color in response to determining to continue the takeoff.

### Claim 8 (depends on 1)

The system of claim 1, wherein the sensor system further detects, a faulty indicator and a bird strike; wherein a set of fault events further includes the faulty indicator, and the bird strike.

### Claim 9 (depends on 1)

The system of claim 1, wherein the automatic braking system and the processing circuit are communicatively coupled to an autopilot system, wherein causing the automated braking system to stop the aircraft comprises an engagement between the processing circuit and an autopilot system, wherein the autopilot system activates the automatic braking system.