초록

A method for automatic rejection takeoff (RTO) of an aircraft monitors a plurality of sensors for an RTO event. Signals are sent to control systems of the aircraft to perform an RTO when the RTO event occurs.

대표청구항 ▼

1. A method for automatic rejected takeoff (RTO) of an aircraft, the method comprising: comparing a first set of input signals from a first plurality of sensors to determine when an Automatic Rejected Takeoff (ARTO) system is enabled, the ARTO system enabled when the first plurality of sensors monit

1. A method for automatic rejected takeoff (RTO) of an aircraft, the method comprising: comparing a first set of input signals from a first plurality of sensors to determine when an Automatic Rejected Takeoff (ARTO) system is enabled, the ARTO system enabled when the first plurality of sensors monitor the aircraft is on ground and a speed of the aircraft is less than a takeoff decision speed V1 for the aircraft;receiving in a control unit of the ARTO system input signals from a second plurality of sensors to monitor for an occurrence of an RTO event; andsending RTO signals from the control unit to one or more control systems of the aircraft to initiate and perform an RTO responsive to enabling the ARTO system and the occurrence of the RTO event;wherein said RTO sending signals from the control unit to the one or more control systems of the aircraft comprises:sending a reverse thrust signal to reverse a thrust of the aircraft in response to the RTO event;sending a speed brake signal to a speed brake actuation control system of the aircraft in response to the RTO event; andsending an auto brake signal to an auto brake system of the aircraft in response to the RTO event. 2. The method of claim 1, further comprising: monitoring the speed of the aircraft; anddetermining if the speed of the aircraft is below V1. 3. The method of claim 1, wherein the ARTO system enabled when the first plurality of sensors monitor the speed of the aircraft is below 80 knots. 4. The method of claim 1, further comprising confirming the RTO event has occurred. 5. The method of claim 4, wherein said confirming the RTO event has occurred comprises coupling the second plurality of sensors to a plurality of control units. 6. The method of claim 1, wherein sending signals to control systems of the aircraft to perform the RTO if the RTO event occurs comprises sending a signal to steer the aircraft down a runway. 7. An automatic rejected takeoff (RTO) system for an aircraft comprising: a plurality of sensors for monitoring a plurality of aircraft operating parameters;a control unit coupled to the sensors for receiving input signals from the sensors, the control unit configured to enable the automatic RTO system based on comparing a first set of input signals from a first plurality of sensors, the first plurality of sensors monitor if the aircraft is on ground and if a speed of the aircraft is less than a takeoff decision speed V1 for the aircraft and generate one or more RTO signals to initiate a RTO if at least one of the sensors indicates a RTO event, wherein the control unit performs the RTO responsive to an occurrence of the RTO event if the speed of the aircraft is below 80 knots and a takeoff decision speed V1 for the aircraft;wherein the control unit sends a reverse thrust signal to reverse a thrust of the aircraft in response to the RTO event, sends a speed brake signal to a speed brake actuation control system of the aircraft in response to the RTO event and sends an auto brake signal to an auto brake system of the aircraft in response to the RTO event. 8. The automatic rejected takeoff (RTO) system of claim 7, wherein the control unit enables the RTO system if the speed of the speed of the aircraft is below 80 knots. 9. The automatic rejected takeoff (RTO) system of claim 7, further comprising a plurality of control units. 10. The automatic rejected takeoff (RTO) system of claim 9, wherein each of the control units comprises: a first logic circuit coupled to the first plurality of sensors for determining if the automatic RTO system should be enabled;a second logic circuit coupled to the second plurality of sensors for determining the occurrence of the RTO event; anda third logic circuit configured to initiate a RTO if the automatic RTO system is enabled and the second logic circuit indicates the occurrence of an RTO event. 11. The automatic rejected takeoff (RTO) system of claim 9, further comprising a comparison unit coupled to the plurality of control units. 12. The automatic rejected takeoff (RTO) system of claim 7, wherein the control unit comprises: a first logic circuit coupled to the first plurality of sensors for determining if the automatic RTO system is enabled; anda second logic circuit coupled to the second plurality of sensors for determining the occurrence of the RTO event. 13. The automatic rejected takeoff (RTO) system of claim 12, further comprising a third logic circuit coupled to the first logic circuit and the second logic circuit, wherein the third logic circuit is configured to generate signals to initiate a RTO responsive to a signal from the first logic circuit indicating that the automatic RTO system has been enabled and further responsive to a signal from the second logic circuit indicating that an RTO event has occurred. 14. The automatic rejected takeoff (RTO) system of claim 7, wherein the control unit sends a signal to steer the aircraft down a runway. 15. A method for performing an automatic rejected takeoff (ARTO) of an aircraft, the method comprising: monitoring a plurality of aircraft status conditions; transmitting an ARTO enabled signal to an ARTO system when all of the monitored status conditions are true; monitoring a plurality of rejected takeoff (RTO) warning events; transmitting a RTO warning signal to the ARTO system when any one of the RTO warning events is true; and automatically initiating an ARTO event when both the ARTO enabled signal and the RTO warning signal are received at the ARTO system; wherein automatically initiating an ARTO event when both the ARTO enabled signal and the RTO warning signal are received at the ARTO system comprises: sending a reverse thrust signal to reverse a thrust of the aircraft; sending a speed brake signal to a speed brake actuation control system of the aircraft; and sending an auto brake signal to an auto brake system of the aircraft. 16. The method of claim 15 wherein the monitored status conditions include an on-ground condition, an aircraft speed is greater than 80 knots condition, an aircraft speed less V1 condition, and V1 is valid condition. 17. The method of claim 16 wherein V1 is valid when entered by the pilot into the ARTO system. 18. The method of claim 15, wherein the RTO warning events comprises one of: a fire on the aircraft, a fire in the aircraft engine, engine failure, abnormal acceleration of the aircraft; tire failure; aircraft structural damage; predictive windshear warning; or flight path obstruction. 19. The method of claim 15, wherein automatically initiating an ARTO event when both the ARTO enabled signal and the RTO warning signal are received at the ARTO system comprises sending a signal to steer the aircraft down a runway.