[특허]Method, apparatus and computer program product for displaying terrain in rotary wing aircraft

Honeywell International Inc.

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Method, apparatus and computer program product for displaying terrain in rotary wing aircraft

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G08B-021/00
미국특허분류(USC)	340/946; 340/970; 340/963
출원번호	US-0865655 (2001-05-25)
발명자 / 주소	Ishihara, Yasuo
출원인 / 주소	Honeywell International Inc.
대리인 / 주소	Honeywell Int'l Inc.
인용정보	피인용 횟수 : 9 인용 특허 : 34

초록

An apparatus, method and computer program product for displaying terrain and terrain alerts to pilots of rotary wing aircraft provides a terrain display consistent with the performance capabilities of such aircraft.

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1. A method for displaying terrain data to a pilot of a rotary wing aircraft comprising the steps of:(a) representing said terrain data in a first color when said terrain is located more than a predetermined amount relative to a current altitude of the aircraft;(b) representing said terrain data in a second color when said terrain is located less than said predetermined amount relative to a current altitude of the aircraft; and(c) defining said predetermined amount as having a first value for a cruise phase of flight, a second value for an approach phase of flight and a third value for a landing phase of flight. 2. The method of claim 1 further comprising the step of identifying said cruise phase, said approach phase and said landing phase according to a speed of the aircraft. 3. The method of claim 2 wherein said speed comprises a groundspeed of the aircraft. 4. The method of claim 1 wherein said first color consists essentially of green. 5. The method of claim 1 wherein said second color consists essentially of yellow. 6. The method of claim 5 further comprising the steps of:(d) representing said terrain data in said second color when said terrain is located between a first and second altitude above said current altitude; and(e) representing said terrain data in a third color when said terrain data is located above said second altitude. 7. The method of claim 6 wherein said third color consists essentially of red. 8. The method of claim 6 wherein steps (d) and (e) each further comprise the step of displaying said terrain using a dot pattern density approximately equal to 50 percent. 9. The method of claim 1 wherein said step of defining a predetermined amount further comprises the steps of:defining said first value as approximately 250 feet below said current altitude;defining said second value as approximately equal to said current altitude; anddefining said third value as approximately said current altitude. 10. The method of claim 1 wherein said step (a) further includes the step of displaying said first color using a first dot pattern density and said second color using a second dot pattern density. 11. The method of claim 10 wherein said first dot pattern density is approximately equal to 50 percent. 12. The method of claim 10 wherein said second dot pattern density is approximately equal to 25 percent. 13. The method of claim 1 further comprising the step of:(d) representing terrain indicative of a caution alert in said second color using a dot pattern density greater than a dot pattern density used in step (b). 14. The method of claim 1 further comprising the step of:(d) representing terrain indicative of a warning alert in a third color. 15. A computer program product for displaying terrain data to a pilot of a rotary wing aircraft comprising:a computer readable storage medium having computer readable program code means embodied in said medium, said computer readable code means comprising:a first computer instruction means for representing said terrain data in a first color when said terrain is located more than a predetermined amount relative to a current altitude of the aircraft;a second computer instruction means for representing said terrain data in a second color when said terrain is located less than said predetermined amount relative to a current altitude of the aircraft; anda third computer instruction means for defining said predetermined amount as having a first value for a cruise phase of flight, a second value for an approach phase of flight and a third value for a landing phase of flight. 16. The computer program product of claim 15 further comprising a fourth computer instruction means for identifying said cruise phase, said approach phase and said landing phase according to a speed of the aircraft. 17. The computer program product of claim 16 wherein said speed comprises a groundspeed of the aircraft. 18. The computer program product of claim 15 wherein said first color consists essentially of green. 19. The computer program product of claim 15 wherein said second color consists essentially of yellow. 20. The computer program product of claim 19 further comprising:a fourth computer instruction means for representing said terrain data in said second color when said terrain is located between a first and second altitude above said current altitude; anda fifth computer instruction means for representing said terrain data in a third color when said terrain data is located above said second altitude. 21. The computer program product of claim 21 wherein said third color consists essentially of red. 22. The computer program product of claim 20 further comprising a seventh computer instruction means for displaying said terrain using a dot pattern density approximately equal to 50 percent. 23. The computer program product of claim 15 wherein said third computer instruction means further includes:a fourth computer instruction means for defining said first value as approximately 250 feet below said current altitude;a fifth computer instruction means for defining said second value as approximately equal to said current altitude; anda sixth computer instruction means for defining said third value as approximately said current altitude. 24. The computer program product of claim 15 further comprising a fourth computer instruction means for displaying said first color using a first dot pattern density and said second color using a second dot pattern density. 25. The computer program product of claim 24 wherein said first dot pattern density is approximately equal to 50 percent. 26. The computer program product of claim 24 wherein said second dot pattern density is approximately equal to 25 percent. 27. The computer program product of claim 15 further comprising a fourth computer instruction means for representing terrain indicative of a caution alert in said second color using a dot pattern density greater than a dot pattern density used by said second computer instruction means. 28. The computer program product of claim 15 further comprising a fourth computer instruction means for representing terrain indicative of a warning alert in a third color. 29. A method for displaying terrain data to a pilot of a rotary wing aircraft comprising the steps of:(a) representing said terrain data in a first color when said terrain is located more than a predetermined amount relative to a current altitude of the aircraft;(b) representing said terrain data in a second color using a first dot pattern density when said terrain is located less than said predetermined amount relative to a current altitude of the aircraft;(c) defining said predetermined amount as having a first value for a cruise phase of flight, a second value for an approach phase of flight and a third value for a landing phase of flight;(d) representing said terrain data in said second color using a second dot pattern density when said terrain data is located between a first and second altitude above said current altitude;(e) representing said terrain data in a third color when said terrain data is located above said second altitude;(f) representing said terrain data in said second color using a third dot pattern density when said terrain data is indicative of a caution alert; and(g) representing said terrain data in said third color using a dot pattern density other than used in step (e) when said terrain data is indicative of a warning alert. 30. The method of claim 29 wherein said first color consists essentially of green. 31. The method of claim 29 wherein said second color consists essentially of yellow. 32. The method of claim 29 wherein said third color consists essentially of red. 33. The method of claim 29 wherein said first dot pattern density is substantially equal to 25 percent. 34. The method of claim 29 wherein said second dot pattern density is substantially equal to 50 percent. 35. The method of claim 29 wherein said third dot pattern density is substantially equal to 100 percent. 36. The method of claim 29 further comprising the step of identifying said cruise phase, said approach phase and said landing phase according to a speed of the aircraft. 37. The method of claim 36 wherein said speed comprises a groundspeed of the aircraft. 38. The method of claim 29 wherein said step of defining a predetermined amount further comprises the steps of:defining said first value as approximately 250 feet below said current altitude;defining said second value as approximately equal to said current altitude; anddefining said third value as approximately said current altitude. 39. A computer program product for displaying terrain data to a pilot of a rotary wing aircraft comprising:a computer readable storage medium having computer readable program code means embodied in said medium, said computer readable code means comprising:a first computer instruction means for representing said terrain data in a first color when said terrain is located more than a predetermined amount relative to a current altitude of the aircraft;a second computer instruction means for representing said terrain data in a second color using a first dot pattern density when said terrain is located less than said predetermined amount relative to a current altitude of the aircraft;a third computer instruction means for defining said predetermined amount as having a first value for a cruise phase of flight, a second value for an approach phase of flight and a third value for a landing phase of flight;a fourth computer instruction means for representing said terrain data in said second color using a second dot pattern density when said terrain data is located between a first and second altitude above said current altitude;a fifth computer instruction means for representing said terrain data in a third color when said terrain data is located above said second altitude;a sixth computer instruction means for representing said terrain data in said second color using a third dot pattern density when said terrain data is indicative of a caution alert; anda seventh computer instruction means for representing said terrain data in said third color using a dot pattern density other than used by said fifth computer instruction means when said terrain data is indicative of a warning alert. 40. The computer program product of claim 39 wherein said first color consists essentially of green. 41. The computer program product of claim 39 wherein said second color consists essentially of yellow. 42. The computer program product of claim 39 wherein said third color consists essentially of red. 43. The computer program product of claim 39 wherein said first dot pattern density is substantially equal to 25 percent. 44. The computer program product of claim 39 wherein said second dot pattern density is substantially equal to 50 percent. 45. The computer program product of claim 39 wherein said third dot pattern density is substantially equal to 100 percent. 46. The computer program product of claim 39 further comprising the step of identifying said cruise phase, said approach phase and said landing phase according to a speed of the aircraft. 47. The computer program product of claim 46 wherein said speed comprises a groundspeed of the aircraft. 48. The computer program product of claim 39 wherein said third computer instruction means further includes:an eighth computer instruction means for defining said first value as approximately 250 feet below said current altitude;a ninth computer instruction means for defining said second value as approximately equal to said current altitude; anda tenth computer instruction means for defining said third value as approximately said current altitude. 49. A display for displaying terrain data to a pilot of a rotary wing aircraft comprising:A display screen for:(a) displaying said terrain data in a first color when said terrain is located more than a predetermined amount relative to a current altitude of the aircraft;(b) displa ying said terrain data in a second color when said terrain is located less than said predetermined amount relative to a current altitude of the aircraft; and(c) wherein said predetermined amount has a first value for a cruise phase of flight, a second value for an approach phase of flight and a third value for a landing phase of flight. 50. The display of claim 49 wherein said first color consists essentially of green. 51. The display of claim 49 wherein said second color consists essentially of yellow. 52. The display of claim 49 wherein:said first value is approximately 250 feet below said current altitude;said second value is approximately equal to said current altitude; andsaid third value is approximately said current altitude. 53. The display of claim 52 wherein said display screen further displays said terrain data in said second color when said terrain is located between a first and second altitude above said current altitude; and displays said terrain data in a third color when said terrain data is located above said second altitude. 54. The display of claim 53 wherein said third color consists essentially of red. 55. The display of claim 49 wherein:said first value is approximately 250 feet below said current altitude;said second value is approximately equal to said current altitude; andsaid third value is approximately said current altitude. 56. A display for displaying terrain data to a pilot of a rotary wing aircraft comprising:A display screen for:(a) displaying said terrain data in a first color when said terrain is located more than a predetermined amount relative to a current altitude of the aircraft;(b) displaying said terrain data in a second color using a first dot pattern density when said terrain is located less than said predetermined amount relative to a current altitude of the aircraft;(c) wherein said predetermined amount has a first value for a cruise phase of flight, a second value for an approach phase of flight and a third value for a landing phase of flight;(d) displaying said terrain data in said second color using a second dot pattern density when said terrain data is located between a first and second altitude above said current altitude;(e) displaying said terrain data in a third color when said terrain data is located above said second altitude;(f) displaying said terrain data in said second color using a third dot pattern density when said terrain data is indicative of a caution alert; and(g) displaying said terrain data in said third color using a dot pattern density other than a dot pattern density displayed in (e) when said terrain data is indicative of a warning alert. 57. The display of claim 56 wherein said first color consists essentially of green. 58. The display of claim 56 wherein said second color consists essentially of yellow. 59. The display of claim 56 wherein said third color consists essentially of red. 60. The display of claim 56 wherein said first dot pattern density is substantially equal to 25 percent. 61. The display of claim 56 wherein said second dot pattern density is substantially equal to 50 percent. 62. The display of claim 56 wherein said third dot pattern density is substantially equal to 100 percent.

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Method, apparatus and computer program product for displaying terrain in rotary wing aircraft

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Method, apparatus and computer program product for displaying terrain in rotary wing aircraft

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