An aircraft air data probe contamination monitor includes at least two air data sensor probes, a first probe located on one side of the aircraft, a second probe located on an opposite side of the aircraft, each probe being operable to generate a parameter value from an airflow passing the in-flight
An aircraft air data probe contamination monitor includes at least two air data sensor probes, a first probe located on one side of the aircraft, a second probe located on an opposite side of the aircraft, each probe being operable to generate a parameter value from an airflow passing the in-flight aircraft. The monitor also includes a processor operable to compare the generated parameter value from the first probe to the generated parameter value from the second probe to determine if one of the first probe and the second probe is contaminated.
대표청구항▼
1. An air data probe contamination monitor for an aircraft, comprising: a flight control computer;at least two air data sensor probes, a first one of the probes being located on one side of the aircraft, a second one of the probes being located on an opposite side of the aircraft, each one of the tw
1. An air data probe contamination monitor for an aircraft, comprising: a flight control computer;at least two air data sensor probes, a first one of the probes being located on one side of the aircraft, a second one of the probes being located on an opposite side of the aircraft, each one of the two probes being operable to generate a parameter value from an airflow passing by the aircraft when the aircraft is in flight; anda processor that is operable to compare the generated parameter value from the first probe to the generated parameter value from the second probe to determine if one of the first probe and the second probe is contaminated when a difference between the generated parameter from the first probe and the generated parameter from the second probe exceeds a certain value, the processor further being operable to send a notification to the flight control computer of a determination of contamination of the one of the first probe and the second probe. 2. The air data probe contamination monitor of claim 1, wherein the parameter value is generated by sensing an actual pressure from the airflow passing by the aircraft. 3. The air data probe contamination monitor of claim 1, wherein the generated parameter value is an angle of attack value. 4. The air data probe contamination monitor of claim 3, wherein the processor is operable to compare the angle of attack value from the first probe to the angle of attack value from the second probe. 5. The aircraft air data probe contamination monitor of claim 3, further comprising at least two vanes, a first one of the vanes being located on one side of the aircraft, a second one of the vanes being located on an opposite side of the aircraft, each one of the two vanes being operable to generate a parameter value from a direction of an airflow passing by the aircraft when the aircraft is in flight, each of the two vanes also being operable to calculate an angle of attack value from the generated parameter value of the direction of the airflow. 6. The aircraft air data probe contamination monitor of claim 5, wherein the first probe is located on the same side of the aircraft as the first vane, and wherein the second probe is located on the same side of the aircraft as the second vane. 7. The aircraft air data probe contamination monitor of claim 5, wherein the first probe is operable to compare the angle of attack value from the first probe to the angle of attack value from the first vane and to provide a first signal indicative of a result of the first probe/vane comparison, and wherein the second probe is operable to compare the angle of attack value from the second probe to the angle of attack value from the second vane and to provide a second signal indicative of a result of the second probe/vane comparison. 8. The aircraft air data probe contamination monitor of claim 7, wherein the processor is responsive to the first probe/vane comparison signal and is responsive to the second probe/vane comparison signal to determine if either one or both of the first probe and/or the second probe is contaminated. 9. The aircraft air data probe contamination monitor of claim 3, further comprising at least one vane being located on the aircraft and being operable to generate a parameter value from a direction of an airflow passing by the aircraft when the aircraft is in flight, the at least one vane also being operable to calculate an angle of attack value from the generated parameter value of the direction of the airflow. 10. The aircraft air data probe contamination monitor of claim 9, wherein the at least one vane is located on the same side of the aircraft as one of the first and second probes. 11. The aircraft air data probe contamination monitor of claim 9, wherein one of the first probe or second probe is operable to compare the angle of attack value from the at least one vane and to provide a signal indicative of a result of the probe/vane comparison. 12. The aircraft air data probe contamination monitor of claim 11, wherein the processor is responsive to the probe/vane comparison signal to determine if either one or both of the first probe and/or the second probe is contaminated. 13. The air data probe contamination monitor of claim 1, wherein the generated parameter value is an angle of sideslip value. 14. The air data probe contamination monitor of claim 13, wherein the processor is operable to compare the angle of sideslip value from the first probe to the angle of sideslip value from the second probe. 15. The aircraft air data probe contamination monitor of claim 13, further comprising at least one vane being located on the aircraft and being operable to generate a parameter value from a direction of an airflow passing by the aircraft when the aircraft is in flight, the at least one vane also being operable to calculate an angle of sideslip value from the generated parameter value of the direction of the airflow. 16. The aircraft air data probe contamination monitor of claim 15, wherein the at least one vane is located on a top side or a bottom side of the aircraft. 17. The aircraft air data probe contamination monitor of claim 15, wherein one of the first probe or second probe is operable to compare the angle of sideslip value from the at least one vane and to provide a signal indicative of a result of the probe/vane comparison. 18. The aircraft air data probe contamination monitor of claim 17, wherein the processor is responsive to the probe/vane comparison signal to determine if either one or both of the first probe and/or the second probe is contaminated. 19. The aircraft air data probe contamination monitor of claim 13, further comprising at least two vanes, a first one of the vanes being located on a top side of the aircraft, a second one of the vanes being located on a bottom side of the aircraft, each one of the two vanes being operable to generate a parameter value from a direction of an airflow passing by the aircraft when the aircraft is in flight, each of the two vanes also being operable to calculate an angle of sideslip value from the generated parameter value of the direction of the airflow. 20. The aircraft air data probe contamination monitor of claim 19, wherein the first probe is operable to compare the angle of sideslip value from the first probe to the angle of sideslip value from the first vane and to provide a first signal indicative of a result of the first probe/vane comparison, and wherein the second probe is operable to compare the angle of sideslip value from the second probe to the angle of sideslip value from the second vane and to provide a second signal indicative of a result of the second probe/vane comparison. 21. The aircraft air data probe contamination monitor of claim 20, wherein the processor is responsive to the first probe/vane comparison signal and is responsive to the second probe/vane comparison signal to determine if either one or both of the first probe and/or the second probe is contaminated. 22. The aircraft air data probe contamination monitor of claim 1, wherein the air data probe contamination monitor is part of a flight control system for the aircraft. 23. The aircraft air data probe contamination monitor of claim 22, wherein the aircraft flight control system comprises a fly-by-wire type of flight control system. 24. The aircraft air data probe contamination monitor of claim 1, wherein the air data probe contamination monitor is part of a flight control system for the aircraft, and wherein if the processor determines that either one or both of the first probe and/or the second probe is contaminated, then the flight control system is notified of the contaminated first probe and/or second probe and/or a flight crew is notified of the contaminated first probe and/or second probe. 25. The aircraft air data probe contamination monitor of claim 1, further comprising four air data sensor probes, a first two of the probes being located on one side of the aircraft, a second two of the probes being located on an opposite side of the aircraft, each one of the four probes being operable to generate a parameter value from an airflow passing by the aircraft when the aircraft is in flight, each of the four probes also being operable to calculate one of an angle of attack value and an angle of sideslip value each from the generated parameter value. 26. The aircraft air data probe contamination monitor of claim 25, wherein the processor is operable to compare the angle of attack value from each of the first two probes to the angle of attack value from each of the second two probes, and to compare the angle of sideslip value from each of the first two probes to the angle of sideslip value from each of the second two probes to determine if any of the first two probes and/or the second two probes is contaminated. 27. The aircraft air data probe contamination monitor of claim 25, further comprising at least two vanes, a first one of the vanes being located on one side of the aircraft, a second one of the vanes being located on an opposite side of the aircraft, each one of the two vanes being operable to generate a parameter value from a direction of an airflow passing by the aircraft when the aircraft is in flight, each of the two vanes also being operable to calculate an angle of attack value from the generated parameter value, wherein the first two probes are located on the same side of the aircraft as the first vane, and wherein the second two probes are located on the same side of the aircraft as the second vane. 28. The aircraft air data probe contamination monitor of claim 27, wherein each of the first two probes is operable to compare the angle of attack value from each of the first two probes to the angle of attack value from the first vane and to provide a pair of first signals each indicative of a result of the first probe/vane comparison, and wherein each of the second two probes is operable to compare the angle of attack value from each of the second two probes to the angle of attack value from the second vane and to provide a pair of second signals each indicative of a result of the second probe/vane comparison. 29. The aircraft air data probe contamination monitor of claim 28, wherein the processor is responsive to the first pair of probe/vane comparison signals and is responsive to the second pair of probe/vane comparison signals to determine if at least one of the first two probes and/or at least one of the second two probes is contaminated. 30. The aircraft air data probe contamination monitor of claim 1, further comprising a third air data sensor probe, the third probe being located on the same side of the aircraft as either one of the at least two probes, the third probe being operable to generate a parameter value from an airflow passing by the aircraft when the aircraft is in flight, the third probe also being operable to calculate one of an angle of attack value and an angle of sideslip value each from the generated parameter value. 31. The aircraft air data probe contamination monitor of claim 30, wherein the processor is operable to compare the angle of attack value from the third probe to the angle of attack value from the one of the at least two probes located on the opposite side of the aircraft, and to compare the angle of sideslip value from the third probe to the angle of sideslip value from the one of the at least two probes located on the opposite side of the aircraft to determine if any of the first two probes and/or the third probe is contaminated. 32. A method for determining if any one of at least two air data sensor probes mounted on opposite sides of an aircraft is contaminated, the method comprising: each one of the two probes generating a parameter value from an airflow passing by the aircraft while the aircraft is in flight;comparing the generated parameter value from the first probe to the generated parameter value from the second probe to determine if one of the first probe and the second probe is contaminated when a difference between the generated parameter from the first probe and the generated parameter from the second probe exceeds a certain value; andnotifying a flight control computer of the aircraft of a determination of contamination of the one of the first probe and the second probe. 33. A computer program product for determining if any one of at least two air data sensor probes mounted on opposite sides of an aircraft is contaminated, the computer program product comprising a non-transitory computer readable storage medium having program code embodied therewith, the program code readable/executable by a computer, processor or logic circuit to perform a method comprising: each one of the two probes generating a parameter value from an airflow passing by the aircraft while the aircraft is in flight;comparing the generated parameter value from the first probe to the generated parameter value from the second probe to determine if one of the first probe and the second probe is contaminated when a difference between the generated parameter from the first probe and the generated parameter from the second probe exceeds a certain value; andnotifying a flight control computer of the aircraft of a determination of contamination of the one of the first probe and the second probe. 34. An air data probe contamination monitor for an aircraft, comprising: at least two air data sensor probes, a first one of the probes being located on one side of the aircraft, a second one of the probes being located on an opposite side of the aircraft, each one of the two probes being operable to generate a parameter value from an airflow passing by the aircraft when the aircraft is in flight;a vane located on one side of the aircraft and operable to generate a parameter value from airflow passing by the aircraft when the aircraft is in flight; anda processor that is operable to: determine agreement of the generated parameter value from the first probe with the generated parameter value from the second probe;when the generated parameter value from the first probe is not in agreement with the generated parameter value from the second probe, check a signal indicative of whether the generated parameter value of the first probe is in agreement with the generated parameter value of the vane; andnotify a flight control computer of the aircraft of a determination of contamination of one of the first probe and the second probe based on said signal.
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이 특허에 인용된 특허 (6)
DuPuis,Paul B., Air data module that ensures sufficient air data performance after exposure to relatively high overpressure.
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Madhavanpillai, Jayakumar; Narayanan, Remesh; Soudamini, Harish Chandran; Subramaniaiyer, Swaminathan; Kailasavadivoo, Sivan; Vir, Sharma Surendra, System and method for detecting and isolating faults in pressure sensing of flush air data system (FADS).
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