CN109579931B - Landing critical oil quantity warning method and system - Google Patents
Landing critical oil quantity warning method and system Download PDFInfo
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- CN109579931B CN109579931B CN201811445142.3A CN201811445142A CN109579931B CN 109579931 B CN109579931 B CN 109579931B CN 201811445142 A CN201811445142 A CN 201811445142A CN 109579931 B CN109579931 B CN 109579931B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F22/00—Methods or apparatus for measuring volume of fluids or fluent solid material, not otherwise provided for
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F9/00—Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F9/00—Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine
- G01F9/008—Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine where the other variable is the flight or running time
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Abstract
The application discloses a landing critical oil quantity warning method and system, which belong to the field of airplane avionics systems, can solve the defect that the traditional residual oil quantity warning can only give an alarm for the preset warning oil quantity and has relatively single function, and cannot meet the real-time position change requirement of an airplane and the change requirement of a landing airport by calculating and displaying the landing critical oil quantity values of all nearby airports in real time and distinguishing and representing the emergency degree of the landing oil quantity warning through positive and negative values and color display, can provide reference for the landing fuel quantity of the nearby airports, especially can provide effective auxiliary decision information when a pilot needs to decide which airport to land or decide whether to refuel in the air or not under the condition of the shortage of the residual fuel oil of the airplane, and can greatly reduce the flight safety risk.
Description
Technical Field
The application belongs to the field of airplane avionic systems, and particularly relates to a landing critical oil quantity warning method and system.
Background
At present, for an aircraft, generally, only a residual oil amount alarm is given, namely, an alarm is given when the residual oil amount of the aircraft is less than a set alarm oil amount, the function is single, the real-time position change requirement and the landing airport change requirement of the aircraft cannot be met, the alarm can only be used for prompting a pilot to leave a little oil, it is difficult to give how much fuel oil is needed for landing at a certain nearby airport in real time, and effective auxiliary decision information is difficult to provide for the pilot under the condition that the pilot needs to decide which airport to land or needs to decide whether to refuel in the air, and the judgment can be carried out by depending on the experience of the pilot to a great extent. However, the pilot often only has flight experience at a few airports which take off and land frequently, if the pilot flies far away from a familiar airport or transfers a long distance to another airport or arrives at an area which is not familiar to the pilot, the accuracy of the experience judgment is greatly reduced, and the flight risk is greatly increased.
Disclosure of Invention
The application aims to provide a landing threshold oil quantity warning method and system to solve any one of the problems.
The technical scheme of the application is as follows: a landing threshold oil quantity warning method and a system thereof comprise:
acquiring current position information, current residual fuel quantity, external store weight information, landing preset fuel quantity and at least one airport position information of an airplane;
calculating the flight path oil consumption required by the aircraft to land at the airport according to the current position information of the aircraft, the airport position information and the external store weight information, and calculating the landing critical oil quantity of the aircraft after the aircraft lands at the airport according to the flight path oil consumption, the current fuel oil residual quantity and the landing preset fuel oil quantity;
and displaying the airport and the landing critical oil quantity corresponding to the airport on display equipment.
In the method of the present application, the airline fuel consumption comprises:
the method comprises the steps of calculating the first route oil consumption according to the weight information of the external hanging objects after all the external hanging objects are discarded, calculating the second route oil consumption according to the weight information of the external hanging objects after partial external hanging objects are discarded, and calculating the third route oil consumption according to the weight information of the external hanging objects after the external hanging objects are not discarded.
In the method of the present application, the method for calculating the landing threshold oil amount is:
and landing critical oil mass = current remaining fuel mass-landing preset fuel mass-airline oil consumption.
In the method of the present application, the displaying the landing threshold oil amount on a display device includes:
when the landing critical oil quantity calculated according to the first airline oil consumption is smaller than zero, the display equipment displays the landing critical oil quantity in a first color;
when the landing critical oil quantity calculated according to the first airline oil consumption is larger than zero and the landing critical oil quantity calculated according to the second airline oil consumption is smaller than zero, the display equipment displays the landing critical oil quantity in a second color;
and when the landing critical oil quantity calculated according to the third airline oil consumption is larger than zero, the display equipment displays the landing critical oil quantity by adopting a third color.
In addition, this application still provides a critical oil mass of landing alarm system, and it includes:
the data acquisition device is used for acquiring the current position information of the airplane, the current residual fuel quantity, the weight information of the external stores, the landing preset fuel quantity and at least one airport position information;
the data processing device is used for calculating the route oil consumption required by the aircraft to land at the airport according to the current position information of the aircraft, the airport position information and the external store weight information, and calculating the landing critical oil quantity of the aircraft after the aircraft lands at the airport according to the route oil consumption, the current fuel oil residual quantity and the landing preset fuel oil quantity;
and the display equipment is used for displaying the airport and the landing critical oil quantity corresponding to the airport.
In the system of the present application, the data processing device calculating the airline fuel consumption includes:
the method comprises the steps of calculating the first route oil consumption according to the weight information of the external hanging objects after all the external hanging objects are discarded, calculating the second route oil consumption according to the weight information of the external hanging objects after partial external hanging objects are discarded, and calculating the third route oil consumption according to the weight information of the external hanging objects after the external hanging objects are not discarded.
In the system of the present application, the method for calculating the landing threshold oil amount by the data processing device is as follows:
and landing critical oil mass = current remaining fuel mass-landing preset fuel mass-airline oil consumption.
In the system of the present application, the displaying of the landing threshold oil amount by the display device includes:
when the landing critical oil quantity calculated according to the first airline oil consumption is smaller than zero, the display equipment displays the landing critical oil quantity in a first color;
when the landing critical oil quantity calculated according to the first airline oil consumption is larger than zero and the landing critical oil quantity calculated according to the second airline oil consumption is smaller than zero, the display equipment displays the landing critical oil quantity in a second color;
and when the landing critical oil quantity calculated according to the third airline oil consumption is larger than zero, the display equipment displays the landing critical oil quantity by adopting a third color.
The method and the system can overcome the defect that the traditional residual oil quantity alarm only can give an alarm for the preset alarm oil quantity, has single function and cannot meet the real-time position change requirement of the airplane and the change requirement of the landing airport by calculating and displaying the landing critical oil quantity values of all nearby airports in real time and distinguishing and representing the emergency degree of the landing oil quantity alarm through positive and negative values and color display.
Drawings
In order to more clearly illustrate the technical solutions provided by the present application, the following briefly introduces the accompanying drawings. It is to be expressly understood that the drawings described below are only illustrative of some embodiments of the invention.
Fig. 1 is a flowchart of a landing threshold oil quantity warning method according to the present application.
Fig. 2 is a schematic diagram of a landing threshold oil amount warning system according to the present application.
Fig. 3 is a schematic diagram of the landing threshold oil amount shown in the present application.
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the drawings in the embodiments of the present application.
Referring to fig. 1, the method for alarming a landing threshold oil amount provided by the present application includes: 1) acquiring current position information, current residual fuel quantity, external store weight information, landing preset fuel quantity and at least one airport position information of an airplane; 2) calculating the flight path oil consumption required by the aircraft to land at the airport according to the current position information of the aircraft, the airport position information and the external store weight information, and calculating the landing critical oil quantity of the aircraft after the aircraft lands at the airport according to the flight path oil consumption, the current fuel oil residual quantity and the landing preset fuel oil quantity; 3) and displaying the airport and the landing threshold oil quantity corresponding to the airport on a display device.
In the method of the present application, the airline fuel consumption comprises: the method comprises the steps of calculating the first route oil consumption according to the weight information of the external hanging objects after all the external hanging objects are discarded, calculating the second route oil consumption according to the weight information of the external hanging objects after partial external hanging objects are discarded, and calculating the third route oil consumption according to the weight information of the external hanging objects after the external hanging objects are not discarded.
In the method, the method for calculating the landing critical oil quantity comprises the following steps: and landing critical oil mass = current remaining fuel mass-landing preset fuel mass-airline oil consumption.
In the method of the application, the method for displaying the landing critical oil quantity on the display device comprises the following steps: when the landing critical oil quantity calculated according to the first airline oil consumption is less than zero, the fact that the aircraft abandons all the external hanging objects and cannot fly to the airport is represented, and therefore the display equipment displays the landing critical oil quantity in a first color; when the landing critical oil quantity calculated according to the first airline oil consumption is larger than zero and the landing critical oil quantity calculated according to the second airline oil consumption is smaller than zero, the situation that the abandoned part of the external hanging object of the airplane can fly to the airport is indicated, and therefore the landing critical oil quantity is displayed by the display equipment in a second color; and when the landing critical oil quantity calculated according to the oil consumption of the third airline is larger than zero, the aircraft can fly to the airport without abandoning the hung object, so that the display equipment displays the landing critical oil quantity by adopting a third color.
In addition, as shown in fig. 2, the present application further provides a landing threshold oil amount warning system, which includes: the data acquisition device is used for acquiring the current position information of the airplane, the current residual fuel quantity, the weight information of the external stores, the landing preset fuel quantity and at least one airport position information; the data processing device is used for calculating the flight path oil consumption required by the aircraft to land at the airport according to the current position information of the aircraft, the airport position information and the external store weight information, and calculating the landing critical oil quantity after the aircraft lands at the airport according to the flight path oil consumption, the current fuel oil residual quantity and the landing preset fuel oil quantity; and the display equipment is used for displaying the airport and the landing critical oil quantity corresponding to the airport.
In the system of the application, the data processing device calculating and obtaining the fuel consumption of the flight line comprises the following steps: the method comprises the steps of calculating the first route oil consumption according to the weight information of the external hanging objects after all the external hanging objects are discarded, calculating the second route oil consumption according to the weight information of the external hanging objects after partial external hanging objects are discarded, and calculating the third route oil consumption according to the weight information of the external hanging objects after the external hanging objects are not discarded.
In the system of the application, the method for calculating the landing critical oil quantity by the data processing device comprises the following steps: and landing critical oil mass = current remaining fuel mass-landing preset fuel mass-airline oil consumption.
In the system of this application, display device shows that the critical oil mass of landing includes: when the landing critical oil quantity calculated according to the first airline oil consumption is less than zero, the display equipment displays the landing critical oil quantity by adopting a first color; when the landing critical oil quantity calculated according to the first airline oil consumption is larger than zero and the landing critical oil quantity calculated according to the second airline oil consumption is smaller than zero, the display equipment displays the landing critical oil quantity in a second color; and when the landing critical oil quantity calculated according to the oil consumption of the third route is larger than zero, the display equipment displays the landing critical oil quantity by adopting a third color.
According to the method and the system, the current position information of the airplane can be obtained in real time through the airborne inertial navigation system, the current residual fuel quantity of the airplane can be obtained through real-time measurement of the airborne non-aviation electronic monitoring processor by the airborne fuel system, the airborne store management system can output the obtained weight information of stores such as the types, the quantity and the weight of the stores of all currently mounted stores of each mounting point of the airplane, the airborne display control system can manually load and output the obtained preset landing fuel quantity, and the airborne data loading system can output the airport position information. Therefore, the multiple systems can jointly form a data acquisition device in the landing critical oil quantity warning system, and the airborne inertial navigation system has data processing capacity in the multiple airborne systems, so that the landing critical oil quantity warning system adopts the airborne inertial navigation system as the data processing device, and finally displays the landing critical oil quantity warning system through an airborne downward-looking display in the airborne display and control system.
In the method and system of an embodiment of the present application, the first color, the second color, and the third color may be displayed by red, yellow, and green, respectively.
The landing critical oil quantity warning method and the system display the landing critical oil quantity values of all nearby airports through real-time calculation and display, and distinguish the warning method for representing the emergency degree of the landing oil quantity through positive and negative values and colors. The red display of the negative value shows that the airport can be safely returned only by air refueling, and the minimum refueling amount refers to the landing critical oil amount value displayed; the positive yellow display indicates that the plug-in part needs to be thrown to safely return to the airport, and the specific throwing scheme can be inquired by clicking the displayed landing critical oil mass value or displayed together with the displayed resource under the condition of sufficient resources; a positive green display indicates that there is remaining oil returned to the airport, with the remaining oil referring to the landing threshold oil value displayed.
The landing critical oil quantity warning method and system comprise the following steps:
1) firstly, powering up an onboard display control system, an onboard downward-looking display, an onboard fuel system, an onboard non-aviation electronic monitoring processor, an onboard inertial navigation system, an onboard data loading system and an onboard plug-in management system, and after the onboard electronic monitoring processor, the onboard inertial navigation system, the onboard data loading system and the onboard plug-in management system work normally, carrying out data interaction through an optical fiber bus or GJB289A bus or HB6096 bus or RS422 bus or RS232 bus;
the system comprises an airborne fuel system, an airborne display and control system and an airborne inertial navigation system, wherein the airborne fuel system sends the current residual fuel amount of an airplane measured in real time to the airborne display and control system and the airborne inertial navigation system through an airborne non-aviation electronic monitoring processor; the airborne data loading system sends all airport longitude and latitude and altitude to be loaded to an airborne display and control system and an airborne inertial navigation system; the onboard appearance management system sends the types of appearance, the quantity of the appearances and the weight of the appearances currently mounted at all the mounting points of the airplane to an onboard display and control system and an onboard inertial navigation system in real time; the airborne display and control system sends the manually loaded airport landing preset fuel oil quantity to an airborne inertial navigation system;
2) the airborne inertial navigation system carries out airline oil consumption calculation according to the current longitude and latitude and altitude of the airplane, the longitude and latitude and altitude of all airports in the current display range of one or more nearby airports or an airborne downward-looking display, the current remaining fuel quantity of the airplane, the empty weight of the airplane, the current weight information of the hung objects at all hanging points and the like, and calculates landing critical oil quantity (the landing critical oil quantity = the current remaining fuel quantity-the landing preset fuel quantity-the airline oil consumption) according to the airline oil consumption, the landing preset fuel quantity and the current remaining fuel quantity of the airplane. When the landing critical oil quantity is a positive value a, the airborne inertial navigation system sends the positive value a and the corresponding airport number to the airborne display and control system; when the landing critical oil quantity value is a negative value b, the airborne inertial navigation system needs to calculate the landing critical oil quantity value under the condition of throwing one or more current plug-ins, and if the calculation results of all possible combinations of throwing plug-ins are still negative values, the negative value b and the corresponding airport number are sent to the airborne display and control system; if one or more positive values c exist in the calculation results of all possible combinations of the throwing plug-ins, sending the one or more positive values c, the corresponding throwing plug-ins scheme and the corresponding airport numbers to the airborne display and control system;
3) as shown in the picture displayed by the onboard display and control system shown in fig. 3, if the onboard display and control system receives the positive value a and the corresponding airport number transmitted by the onboard inertial navigation system, the onboard downward-looking display is controlled to display a corresponding green positive value a (unit kg, display form is "+ a kg") near the airport corresponding to the airport number, which indicates that the amount of oil left in the airport returning by the oil-saving flight path is a; if the airborne display control system receives the negative value b and the corresponding airport number transmitted by the airborne inertial navigation system, the airborne downward-looking display is controlled to display a corresponding red negative value b (unit kg, display form is '-b kg') near the airport corresponding to the airport number, which indicates that the aircraft cannot safely return to the airport according to the current oil loading capacity of the aircraft, and even all external stores are thrown to return to the airport, so that the airborne display control system is used for reminding a pilot that the pilot can safely return to the airport only when air refueling is needed; if the airborne display control system receives one or more positive values c transmitted by the airborne inertial navigation system, corresponding throwing and externally hanging schemes and corresponding airport numbers, the airborne downward-looking display is controlled to only display the yellow minimum positive value c (unit kg, display form is + c kg) and the corresponding throwing and externally hanging schemes near the airport corresponding to the airport numbers, the situation that the airport needs to be thrown and the externally hanging schemes can be safely returned to the airport is indicated, specific throwing and externally hanging schemes are provided for pilot reference, and when other throwing and externally hanging schemes of the airport need to be checked, the yellow minimum positive value c displayed near the airport is clicked, and all the positive values c corresponding to the airport and the corresponding throwing and externally hanging schemes can be popped up.
The method and the system for alarming the landing critical oil quantity can solve the defects that the traditional residual oil quantity alarm only can alarm the preset alarm oil quantity, has single function and cannot meet the real-time position change requirement of the airplane and the change requirement of the landing airport by calculating and displaying the landing critical oil quantity values of all nearby airports in real time and displaying and distinguishing the emergency degree of the landing oil quantity alarm through positive and negative values and colors. The method and the device can meet the real-time requirements of the aircraft on the landing critical oil quantity value and the landing oil quantity alarm emergency degree of the nearby airport.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (2)
1. A landing threshold oil quantity warning method is characterized by comprising the following steps:
acquiring current position information, current residual fuel quantity, external store weight information, landing preset fuel quantity and at least one airport position information of an airplane;
calculating the route oil consumption required by the aircraft to land at the airport according to the current position information of the aircraft, the airport position information and the external stores weight information, wherein the route oil consumption comprises a first route oil consumption calculated after all external stores are discarded according to the external stores weight information, a second route oil consumption calculated after partial external stores are discarded according to the external stores weight information and a third route oil consumption calculated after the external stores are not discarded according to the external stores weight information; calculating a landing critical oil mass of the airplane after landing at the airport according to the airline oil consumption, the current remaining fuel oil mass and the landing preset fuel oil mass, wherein the landing critical oil mass = the current remaining fuel oil mass-the landing preset fuel oil mass-the airline oil consumption;
displaying an airport and a landing critical oil quantity corresponding to the airport on a display device, wherein:
when the landing critical oil quantity obtained by calculation according to the oil consumption of the first route discarding all the external hanging objects is less than zero, the display equipment displays the landing critical oil quantity discarded with all the external hanging objects by adopting a first color;
when the landing critical oil quantity obtained by calculation according to the oil consumption of a first flight path abandoning all the external hanging objects is larger than zero, the landing critical oil quantity obtained by calculation according to the oil consumption of a second flight path abandoning part of the external hanging objects is also larger than zero, and the landing critical oil quantity obtained by calculation according to the oil consumption of a third flight path not abandoning the external hanging objects is smaller than zero, the display equipment displays the landing critical oil quantity after abandoning part of the external hanging objects by adopting a second color;
and when the landing critical oil quantity obtained by calculation according to the oil consumption of the third route without abandoning the foreign object is larger than zero, the display equipment adopts a third color to display the landing critical oil quantity without abandoning the foreign object.
2. A landing threshold oil quantity warning system is characterized in that the landing threshold oil quantity warning method comprises the following steps:
the data acquisition device is used for acquiring the current position information of the airplane, the current residual fuel quantity, the weight information of the external stores, the landing preset fuel quantity and at least one airport position information;
the data processing device is used for calculating the route oil consumption required by the aircraft to land at the airport according to the current position information of the aircraft, the airport position information and the external stores weight information, wherein the route oil consumption comprises a first route oil consumption calculated after all external stores are discarded according to the external stores weight information, a second route oil consumption calculated after partial external stores are discarded according to the external stores weight information and a third route oil consumption calculated after the external stores are not discarded according to the external stores weight information; the method comprises the steps of calculating the landing critical oil mass of an airplane after the airplane lands at the airport according to the airline oil consumption, the current residual fuel oil mass and the landing preset fuel oil mass, wherein the landing critical oil mass = the current residual fuel oil mass-the landing preset fuel oil mass-the airline oil consumption;
display device for showing airport and the airport corresponding landing critical oil mass, wherein:
when the landing critical oil quantity obtained by calculation according to the oil consumption of the first route discarding all the external hanging objects is less than zero, the display equipment displays the landing critical oil quantity discarded with all the external hanging objects by adopting a first color;
when the landing critical oil quantity obtained by calculation according to the oil consumption of a first route discarding all the external hanging objects is larger than zero, and the landing critical oil quantity obtained by calculation according to the oil consumption of a second route discarding part of the external hanging objects is larger than zero, and meanwhile, the landing critical oil quantity obtained by calculation according to the oil consumption of a third route not discarding the external hanging objects is smaller than zero, the display equipment displays the landing critical oil quantity of the discarded part of the external hanging objects by adopting a second color;
and when the landing critical oil quantity obtained by calculation according to the oil consumption of the third route without abandoning the foreign object is larger than zero, the display equipment adopts a third color to display the landing critical oil quantity without abandoning the foreign object.
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