A resource usage graphical overlay for a navigation system is disclosed. For each such resource, a resource exhaustion distance is computed, based on the consumption or lapse rate of the resource, and the vehicle speed. This resource exhaustion distance is scaled for the interactive map display and
A resource usage graphical overlay for a navigation system is disclosed. For each such resource, a resource exhaustion distance is computed, based on the consumption or lapse rate of the resource, and the vehicle speed. This resource exhaustion distance is scaled for the interactive map display and rendered as a service area on the interactive map so a user can determine what destinations are reachable before resources are completely depleted.
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1. A method for displaying information on a geographical display, comprising: computing for an individual vehicle at any chosen time of a voyage multiple resource exhaustion distances for a plurality of resources with any chosen combinations of parameters characterizing the voyage based on resource
1. A method for displaying information on a geographical display, comprising: computing for an individual vehicle at any chosen time of a voyage multiple resource exhaustion distances for a plurality of resources with any chosen combinations of parameters characterizing the voyage based on resource exhaustion time of each resource and vehicular velocity;generating a service area for each of the plurality of resources, wherein a directional bias is computed for the service area, wherein a current location symbol is rendered on the service area and the position of the current location symbol is representative of the directional bias, and wherein each service area is sized proportionally to a corresponding resource exhaustion distance, multiplying the corresponding resource exhaustion distance by a scale factor to compute a scaled resource exhaustion distance having a service area defined by the scaled resource exhaustion distance; anddisplaying each of the service areas simultaneously on the geographical display, wherein each service area is displayed relative to a current position on the geographical display, thereby allowing the user to choose a preferred destination for the voyage based on the display. 2. The method of claim 1, wherein displaying each of the service areas on the geographical display comprises displaying each service area with a different color or different line pattern. 3. The method of claim 1, wherein each service area is rendered as a circular shape. 4. The method of claim 1, wherein generating a service area for each of the plurality of resources comprises generating a service area for fuel and generating a service area for cabin oxygen. 5. The method of claim 4, further comprising displaying a textual indication of a resource exhaustion distance for fuel and a resource exhaustion distance for cabin oxygen. 6. The method of claim 1, wherein the chosen parameters characterizing the voyage are chosen from the group consisting of altitude, speed, direction, and total vehicle weight. 7. The method of claim 1, wherein generating a service area for each of the plurality of resources further comprises rendering a circular shape having a radius equal to the scaled resource exhaustion distance. 8. The method of claim 1, wherein computing a resource exhaustion time for a plurality of resources comprises computing a resource exhaustion time for a plurality of resources based on a recommended speed value or a recommended altitude value. 9. The method of claim 8, wherein a minimum resource exhaustion time is determined and only a service area generated by using the minimum resource exhaustion time is displayed. 10. The method of claim 1, further comprising: determining if a waypoint or destination is rendered within each of the service areas on the geographical display; andgenerating an alert if the waypoint or destination is rendered outside of at least one of the service areas on the geographical display. 11. The method of claim 10, wherein the alert is visual or aural. 12. A system for displaying information on a geographical display comprising: a memory which stores instructions; andone or more processors attached to the memory wherein the one or more processors, when executing the stored instructions is configured to: compute for an individual vehicle at any chosen time of a voyage multiple resource exhaustion distances for a plurality of resources with any chosen combinations of parameters characterizing the voyage based on resource exhaustion time of each resource and vehicular velocity;generate a service area for each of the plurality of resources, wherein a directional bias is computed for the service area, wherein a current location symbol is rendered on the service area and the position of the current location symbol is representative of the directional bias, and wherein each service area is sized proportionally to a corresponding resource exhaustion distance;multiply the corresponding resource exhaustion distance by a scale factor to compute a scaled resource exhaustion distance having a service area defined by the scaled resource exhaustion distance; anddisplay each service area simultaneously on the geographical display, wherein each service area is displayed relative to a current position on the geographical display, thereby allowing the user to choose a preferred destination for the voyage based on the display. 13. The system of claim 12, wherein the memory further comprises instructions that when executed by the one or more processors, cause the system to: receive telemetry data from a plurality of aircraft, wherein the telemetry data comprises a minimum resource exhaustion distance for each of the plurality of aircraft; andrender a service area on a map display for each of the plurality of aircraft, wherein the service area corresponds to the minimum resource exhaustion distance for each of the plurality of aircraft. 14. A system for displaying information on a geographical display comprising: one or more computer processors;memory containing computer instructions, and configured to be readable by the one or more computer processors;a current position input;a speed input;a cabin oxygen level input;an altitude input;a fuel level input; anda display; wherein the one or more processors, when executing the instructions in the memory, are configured to:compute a resource exhaustion distance for fuel at a current altitude received from the altitude input;compute a resource exhaustion distance for cabin oxygen at the current altitude;multiply the corresponding resource exhaustion distance by a scale factor to compute a scaled resource exhaustion distance having a service area defined by the scaled resource exhaustion distance;multiply the corresponding resource exhaustion distance by a scale factor to compute a scaled resource exhaustion distance having a service area defined by the scaled resource exhaustion distance;render a service area for fuel on the display;render a service area for cabin oxygen on the display;compute a directional bias for the service area for fuel and the service area for cabin oxygen, wherein a current location symbol is rendered on the service area for fuel and the service area for cabin oxygen, and the position of the current location symbol is representative of the directional bias. 15. The system of claim 14, wherein the memory further comprises instructions that when executed by the one or more processors, cause e system to: compute a resource exhaustion distance for fuel at a plurality of altitudes;compute a resource exhaustion distance for cabin oxygen at a plurality of altitudes;compute a minim resource exhaustion distance for each of the plurality of altitudes;compute a largest minimum resource exhaustion distance; anddisplay an altitude corresponding to the largest minimum resource exhaustion distance. 16. The system of claim 15, wherein the memory further comprises instructions that when executed by the one or more processors, cause e system to:display a speed corresponding to the largest minimum resource exhaustion distance. 17. The system of claim 15, wherein the memory further comprises instructions that when executed by the one or more processors, cause the system to indicate airports that are within a service area representative of the largest minimum resource exhaustion distance. 18. The system of claim 17, wherein the memory further comprises instructions that when executed by the one or more processor, cause the system to generate an alarm if a selected airport is not within a service area representative of the largest minimum resource exhaustion distance.
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이 특허에 인용된 특허 (17)
Kim, Jong Koo, Apparatus for indicating distance to empty of a vehicle, and a method thereof.
Stabile, James R.; Mack, William L., Method of calculating oxygen required and system for monitoring oxygen supply and/or calculating flight level after emergency cabin decompression.
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