A vehicle information system operating method performs operations comprising determining an operational period, determining a movement period, determining a modification factor, determining a fuel economy value and determining an adjusted fuel economy value. The determining of the operational period
A vehicle information system operating method performs operations comprising determining an operational period, determining a movement period, determining a modification factor, determining a fuel economy value and determining an adjusted fuel economy value. The determining of the operational period determines the operational period during which a vehicle is running. The determining of the movement period determines the movement period during which the vehicle is in motion. The determining of the modification factor determines the modification factor based on respective durations of the operational period and the movement period. The determining of the fuel economy value determines the fuel economy value associated with the operational period. The determining of the adjusted fuel economy value determines the adjusted fuel economy value based on the fuel economy value and the modification factor.
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1. A vehicle information system operating method comprising: determining an operational period during which a vehicle is running;determining a movement period reflective of movement of the vehicle within a duration of the operational period; andoperating a controller to determine determining a modif
1. A vehicle information system operating method comprising: determining an operational period during which a vehicle is running;determining a movement period reflective of movement of the vehicle within a duration of the operational period; andoperating a controller to determine determining a modification factor based on a ratio of the movement period to the operational period, determine a fuel economy value associated with fuel consumption and distance traveled throughout the duration of the operational period, determine an adjustment value based on the fuel economy value, a previous adjusted fuel economy value and the modification factor, and determine a current adjusted fuel economy value based on the previous adjusted fuel economy value and the adjustment value,wherein the difference between the current adjusted economy value and the previous adjusted economy value is limited to a product of the modification factor and a difference between the fuel economy value and the previous adjusted fuel economy value. 2. The method according to claim 1, wherein the fuel economy value represents a distance-to-empty value of the vehicle. 3. The method according to claim 1, wherein the determining of the fuel economy value is based on a signal output from a fuel injection controller. 4. The method according to claim 1, further comprising displaying information representing the adjusted fuel economy value. 5. The method according to claim 1, wherein the determining of the movement period includes starting a timer at a beginning of the operational period and stopping the timer whenever the vehicle is stationary. 6. The method according to claim 1, wherein the movement period is a fraction of the operational period. 7. The method according to claim 1, wherein the determining of the adjustment value includes determining a difference between the fuel economy value and the previous fuel economy value. 8. The method according to claim 1, wherein the determining of the operational period is based on an operational status of an ignition of the vehicle. 9. The method according to claim 1, wherein the determining of the operational period includes limiting the operational period to a duration of a predetermined monitoring period. 10. A vehicle information system controller comprising: a control unit including an operation period determining section, a movement period determining section, a modification factor determining section, a fuel economy determining section, an adjustment value determining section, and an adjusted fuel economy value determining section; the operational period determining section determines an operational period during which a vehicle is running;the movement period determining section determines a movement period reflective of movement of the vehicle within a duration of the operational period;the modification factor determining section determines a modification factor based on a ratio of the movement period to the operational period;the fuel economy determining section determines a fuel economy value associated with fuel consumption and distance traveled throughout the duration of the operational period;the adjustment value determining section determines an adjustment value based on the fuel economy value, a previous adjusted fuel economy value and the modification factor; andthe adjusted fuel economy value determining section determines a current adjusted fuel economy value based on the previous adjusted fuel economy value and the adjustment value,wherein the difference between the current adjusted economy value and the previous adjusted economy value is limited to a product of the modification factor and a difference between the fuel economy value and the previous adjusted fuel economy value. 11. The vehicle information system controller according to claim 10, wherein the fuel economy value represents a distance-to-empty value of the vehicle. 12. The vehicle information system controller according to claim 10, wherein the fuel economy determining section determines the fuel economy value based on a signal output from a fuel injection controller. 13. The vehicle information system controller according to claim 10, further comprising a display section which controls displaying of information representing the adjusted fuel economy value. 14. The vehicle information system controller according to claim 10, wherein the movement period determining section further determines the movement period by starting a timer at a beginning of the operational period and stopping the timer whenever the vehicle is stationary. 15. The vehicle information system controller according to claim 10, wherein the movement period is a fraction of the operational period. 16. The vehicle information system controller according to claim 10, wherein the adjustment value determining section determines the adjustment value as a difference between the fuel economy value and the previous fuel economy value. 17. The vehicle information system controller according to claim 10, wherein the operational period determining section determines the operational period based on an operational status of an ignition of the vehicle. 18. The vehicle information system controller according to claim 10, wherein the operational period determining section limits the operational period to a duration of a predetermined monitoring period.
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이 특허에 인용된 특허 (10)
Kim, Jong Koo, Apparatus for indicating distance to empty of a vehicle, and a method thereof.
Kato Yoshiaki (Fujisawa JPX) Yamaguchi Hirotsugu (Fujisawa JPX), Apparatus for indicating the distance over which a vehicle can travel with the residual fuel.
To Viet Q. (Sterling Heights MI) Burke Michael J. (Milford MI) Sarafopoulos Nick (Taylor MI), Electronic system and method for calculating distance to empty for motorized vehicles.
Cermak, Alexander X.; Olejniczak, Ryan; Portal, Maria I.; Camacho, Esteban; Haase, Jeffrey J., Algorithm to remediate lost lifetime fuel economy cached data upon hardware swap.
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