CN112987705B - Verification system of airplane automatic sliding running and driving-off technology based on 5G transmission - Google Patents
Verification system of airplane automatic sliding running and driving-off technology based on 5G transmission Download PDFInfo
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Abstract
The invention provides a verification system of an automatic airplane sliding running and driving-off technology based on 5G transmission, which is characterized in that an indoor simulation cockpit is built on the ground, so that a pilot operates and controls indoors to solve the safety problem, a scaled unmanned aerial vehicle in an outdoor flight verification platform is controlled to complete test verification by using a 5G signal transmission instruction, and the real-time problem of high network delay is solved, so that the requirements of the verification of the automatic airplane sliding running and driving-off technology on safety and real-time are met.
Description
Technical Field
The invention relates to the technical field of aviation, in particular to a verification system of an automatic sliding, running and departing technology of an airplane based on 5G transmission.
Background
The automatic sliding and running-away technology (BTV) is an auxiliary flight technology, and the verification test of the technology always has strict requirements on personnel safety and signal transmission instantaneity. If only a digital simulation system is set up for technical verification, although the real-time condition is met, the real working condition cannot be completely simulated, and the test verification is insufficient; if the pilot is enabled to drive a real airplane to carry out test verification, the test safety is extremely high, and the personal safety of the pilot is guaranteed, so that major accidents and loss are avoided; and if a semi-physical simulation platform which needs to be controlled by a pilot is built, the requirement of high real-time performance of system performance on information transmission needs to be met. Therefore, how to combine the digital verification method with the real flight verification method and build a verification system of the automatic airplane sliding and running-away technology with high safety and high real-time performance is a design problem at home and abroad, and particularly, no research is carried out on related fields at present at home.
Disclosure of Invention
In order to solve the technical problem, the invention provides a verification system of an automatic sliding, running and departing technology of an airplane based on 5G transmission.
The invention provides a verification system of an airplane automatic sliding running and driving-away technology based on 5G transmission, which comprises the following steps:
the simulation cockpit comprises an automatic airplane run-off and run-off control system, a verification system of the automatic airplane run-off and run-off control system, simulation equipment of cockpit equipment and a first 5G module, wherein the simulation equipment is used for sending a control instruction to the unmanned aerial vehicle through the first 5G module and receiving a signal fed back by the unmanned aerial vehicle; the automatic sliding running and driving-off control system of the airplane is used for controlling the automatic sliding running and driving-off process of the unmanned aerial vehicle through the simulation equipment; the verification system of the airplane automatic run-off and run-off control system is used for acquiring and verifying data of the airplane automatic run-off and run-off control system;
the unmanned aerial vehicle comprises a second 5G module, control equipment and sensing equipment, wherein the control equipment is used for receiving the control instruction through the second 5G module and responding to the control instruction; the sensing equipment is used for collecting sensing data of the unmanned aerial vehicle, and the sensing data collected by the second 5G module is sent to the simulation equipment.
Optionally, the drone verifies a scaled model of the aircraft for the target; the control device includes a scaling brake device in the same proportion as the scaling model.
Optionally, the system further comprises:
scaling brake tracks and scaling taxiways.
Optionally, the verification system of the aircraft automatic rolloff and drive-off control system is specifically configured to collect dynamic deceleration rate, braking distance prediction data, and braking distance data generated by the aircraft automatic rolloff and drive-off control system in real time;
the control device is specifically configured to adjust the brake pressure in real time according to the dynamic deceleration rate.
Optionally, the aircraft auto-run drive-off process comprises:
an approach process, a landing and running brake process and a running and departing process;
the simulation device is specifically configured to:
controlling the unmanned aerial vehicle to align to a runway in the approaching process;
in the landing and running brake process, sending a dynamic deceleration rate to the unmanned aerial vehicle in real time, wherein the dynamic deceleration rate is used for the control equipment to adjust the brake pressure in real time;
and in the running and driving-off process, controlling the unmanned aerial vehicle to turn to enter a taxiway and then drive off.
Optionally, the aircraft auto-run-off drive-off control system is further configured to:
updating the brake distance prediction data in real time in the approaching process;
The verification system of the airplane automatic run-off and run-off control system is also used for:
and collecting the braking distance prediction data.
Optionally, the verification system of the airplane automatic run-off drive-off control system is further used for calculating the time of the runway occupied by the automatic run-off drive-off process and the percentage of airport transition efficiency improvement.
Optionally, the simulation apparatus comprises:
the plane comprises an airplane image display screen, a flight control panel, a flight display panel, a navigation display panel, an altimeter, a horizon sensor, an airspeed meter, a brake pedal, an accelerator lever and an operating lever.
Optionally, the simulation apparatus further includes:
a tower interactive communication system.
Optionally, the simulation device is further configured to send an inspection instruction to the unmanned aerial vehicle through the first 5G module before the unmanned aerial vehicle takes off; the unmanned aerial vehicle is also used for executing the corresponding action of the checking instruction and returning result data through the second 5G module.
The test verification of the automatic airplane sliding, running and departing technology has extremely high requirements on safety, and in the existing airplane brake system performance verification system, the flight control of a real airplane can be carried out only by a pilot to obtain data, so that the risk of personnel safety and the psychological burden of the pilot are undoubtedly greatly increased. Meanwhile, the requirement of the performance of the aircraft brake system on the real-time performance of information transmission is extremely strict, and the delay time of a transmission signal is too long, so that the tracking of the automatic sliding running and driving-off technology on the dynamic deceleration rate is not accurate, the performance of the whole brake system is influenced, and the requirement of test verification cannot be met. The aircraft automatic sliding running and driving-off technology verification system based on 5G transmission can meet the requirements of the aircraft automatic sliding running and driving-off technology verification on safety and real-time performance, an indoor simulation cockpit is built on the ground, a pilot operates and controls an instruction indoors to solve the safety problem, and a scaled unmanned aerial vehicle in an outdoor flight verification platform is controlled to complete test verification by using a 5G signal transmission instruction, so that the real-time performance problem of high network delay is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the principles of the invention.
Fig. 1 is a schematic diagram of a system provided by an embodiment of the invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The invention provides a verification system of an automatic airplane sliding running and running-off technology based on 5G transmission, which is used for guaranteeing the safety of airplane sliding running and improving the operation efficiency of an airport.
The invention provides a verification system of an airplane automatic sliding running and driving-off technology based on 5G transmission, which comprises the following steps:
the simulated cockpit comprises an automatic airplane running and driving-off control system, a verification system of the automatic airplane running and driving-off control system, simulation equipment of cockpit equipment and a first 5G module, wherein the simulation equipment is used for sending a control instruction to the unmanned aerial vehicle through the first 5G module and receiving a signal fed back by the unmanned aerial vehicle; the automatic sliding running and driving-off control system of the airplane is used for controlling the automatic sliding running and driving-off process of the unmanned aerial vehicle through the simulation equipment; the verification system of the airplane automatic run-off and run-off control system is used for acquiring and verifying data of the airplane automatic run-off and run-off control system;
the unmanned aerial vehicle comprises a second 5G module, control equipment and sensing equipment, wherein the control equipment is used for receiving the control instruction through the second 5G module and responding to the control instruction; the sensing equipment is used for collecting sensing data of the unmanned aerial vehicle, and the sensing data collected by the second 5G module is sent to the simulation equipment.
In the embodiment of the invention, the automatic airplane run-off and run-off control system is a system comprising a computing device hardware entity and automatic airplane run-off and run-off control software, the verification system of the automatic airplane run-off and run-off control system is a system comprising the computing device hardware entity and the verification software of the automatic airplane run-off and run-off control system, and the verification systems of the automatic airplane run-off and run-off control system and the automatic airplane run-off and run-off control system can use the same computing device hardware entity or can use different computing device hardware entities and are connected through a line.
In an embodiment of the invention, the simulation device of the cockpit device at least comprises a cockpit device related to controlling the flight of the airplane, in particular comprises a cockpit device related to an automatic roll-off and drive-off process of the airplane. Preferably, the simulation device comprises: the aircraft comprises an aircraft image display screen, a flight control panel, a flight display panel, a navigation display panel, an altimeter, a horizon sensor, an airspeed meter, a brake pedal, an accelerator lever and an operating lever.
Furthermore, the simulation equipment also comprises a tower interactive communication system.
In one embodiment of the invention, in order to improve the accuracy and usability of the verification result, the unmanned aerial vehicle adopts a scaling model of the target verification aircraft, and the brake device of the unmanned aerial vehicle adopts a scaling brake device of the target verification aircraft.
Furthermore, a scaling brake track and a scaling taxiway can be adopted in the verification process, so that the requirement on an experimental site is reduced.
Generally, an aircraft auto-run drive-off process is considered to include: an approach process, a landing run brake process, and a run departure process. By adopting the system provided by the embodiment of the invention, the pilot can operate the unmanned aerial vehicle in the simulated cockpit through the 5G network in each process to achieve the verification purpose. Specifically, in the approaching process, a pilot operates a simulation device to control the unmanned aerial vehicle to aim at a runway, in the landing and running brake process, the unmanned aerial vehicle is controlled by an automatic airplane running and running-off control system, and the unmanned aerial vehicle adjusts the brake pressure in real time by sending a dynamic deceleration rate to the unmanned aerial vehicle in real time; in the process of running away and driving away, a pilot operates the simulation equipment to control the unmanned aerial vehicle to turn to enter the taxiway and then drive away.
Further, in the landing and sliding brake process, the automatic airplane sliding and running away control system generates dynamic deceleration rate, brake distance prediction data and brake distance data in real time, and a verification system of the automatic airplane sliding and running away control system collects and verifies the data of the automatic airplane sliding and running away control system. Similarly, in the approaching process, the automatic sliding running and driving control system of the airplane updates the braking distance prediction data in real time; and the verification system of the automatic airplane run-off and drive-off control system collects and verifies the data of the automatic airplane run-off and drive-off control system.
In addition, in the embodiment of the invention, the verification system of the automatic airplane run-off and run-off control system is also used for calculating the time of the automatic run-off and run-off process occupying the runway and the percentage of improvement of airport transition efficiency, so that the use effect of the automatic airplane run-off and run-off control system is visually shown.
Referring to fig. 1, a verification system of an airplane automatic sliding-away and driving-away technology based on 5G transmission is set up in the specific embodiment of the present invention, and is divided into three parts: the system comprises an indoor simulation cockpit, a 5G network transmission environment and an outdoor flight verification platform.
The first part is an indoor simulation cockpit, which is provided with a series of devices such as an airplane image display screen, a flight control panel, a flight display panel, a navigation display panel, an altimeter, a horizon sensor, an airspeed meter, a brake pedal, an accelerator lever, an operating lever and a tower interactive communication system, the appearance and the function of the device are basically the same as those of a main cockpit of a real cockpit, a pilot can send an instruction in the simulation cockpit and see an airplane image on the display screen, and various operations are executed according to various flight parameters and safety information returned by the airplane.
The second part is a 5G network environment, and the 5G network can well meet the combination of uplink high-bandwidth transmission and downlink low-delay control. The control instruction sent out from the simulation cockpit is accessed to the 5G network through the wireless network card, so that the forwarding and processing time in the data transmission process is reduced, and the end-to-end transmission delay is reduced. The 5G transmission network consists of a 5G access network, a bearer network and a core network: the access network is composed of a plurality of base stations on a transmission line and takes charge of the responsibility of wirelessly transmitting cockpit instructions and uploading data by an airplane, and the bearer network and the core network are composed of optical fiber cables and telecommunication equipment of a 5G operator and are wired transmission parts of the 5G network. The 5G network meets the requirement of the airplane brake control period based on the novel coding method, the network architecture and other technologies, achieves ultra-high speed and ultra-low time delay, and can fully meet the requirement of high real-time performance of experimental verification.
The third part is an outdoor flight test platform, an unmanned plane test platform is designed, an unmanned plane (hereinafter referred to as an airplane for short) which is reduced according to a proportion of 30:1 is designed according to a real airplane, a scaling brake device is arranged on the unmanned plane, a brake controller for loading an automatic driving-off technology and various sensors are integrated, and a scaling airplane brake runway and a taxiway are laid for the takeoff and landing of the airplane. The platform is mainly used for verifying auxiliary landing technologies such as automatic sliding and disengaging of the airplane under the characteristic of the scaling brake device.
Before the test is started, equipment debugging is firstly carried out, a pilot sits at the main driving position of an indoor simulation cockpit, a flight plan is checked, a series of instructions are sent according to a specified sequence to check the condition of the airplane, the instructions are locally converted into 5G signal data and are transmitted to a scaled airplane of an outdoor flight verification platform through a 5G network, the airplane analyzes the 5G signal and acts according to the instruction sequence and returns data through the 5G network, the indoor simulation cockpit analyzes and verifies that the returned data are correct, and then the test process is started.
(1) And (5) approaching process.
The system confirms the state of the airplane after taking off, provides an operating environment to enable the pilot to finish the air action of the airplane, and prepares for automatic running and running-off verification after landing. After the pilot communicates with the control tower, the pilot checks that all systems can work normally, and after the airplane approaches the airport, the airplane is aligned to the runway and is ready to land. During the period, the automatic sliding running and driving-off technology can update the prediction of the braking distance in real time according to parameters such as the speed of the airplane, the condition of the runway and the like.
(2) And (5) landing and sliding braking.
In the sliding and braking process, the system collects parameters to be verified whether the automatic sliding and running-away technology can update the dynamic deceleration rate in real time or not, and accurately predicts and controls the braking distance. And the brake control system based on the deceleration rate control adjusts the brake pressure in real time according to the dynamic deceleration rate kn, and the process is continued until the whole brake stage is finished.
(3) A process of running away and driving away.
After the airplane reaches a preset runway exit position, the system receives a pilot command to make the airplane turn accurately at a preset speed to enter a taxiway, so that the aim of fixed-point separation is fulfilled. The system displays the runway occupation time of the current sliding brake and the percentage of improvement of airport transition efficiency on a display screen, and then the airplane receives pilot control instructions sent through a 5G network, executes a series of actions, runs out from a taxiway and completes the whole automatic sliding running and running-off process.
The scheme provided by the specific embodiment of the invention has the following effects:
(1) high speed and high reliability of 5G verification. The cycle time of the airplane sliding control process is millisecond, and if the delay in the signal detection process is too long or the control command information is transmitted incorrectly, the verification system can not simulate the real working condition. The 5G technology has extremely high reliability of reducing signal transmission time delay and transmitting control instructions, can ensure that the airplane automatically slides away and drives away to realize accurate control, and meets the strict requirement of test verification on real-time property.
(2) High safety with the test method of separation of the cockpit from the aircraft. The indoor simulation cockpit and the outdoor flight verification platform are built, so that the safety risk of personnel possibly appearing in the test can be greatly reduced, the psychological burden of a pilot is reduced, and the strict requirement of the test verification on the safety is met.
(3) The flight test platform designed for the scaled aircraft meets the technical requirements and various performance indexes of the flight test by accurately simulating a real aircraft model and the braking characteristics, and achieves the effects of easy test verification and test cost saving. The platform is mainly used for verifying airplane brake system technologies such as airplane automatic sliding disengagement, self-adaptive runway brake control, multi-wheel deviation correction and the like under the characteristic of a scaling brake device.
(4) The selection of the 5G data transmission unit to realize the real-time data receiving and sending and the automatic sliding away and running away information transmission is innovative application of a novel information communication technology and airplane control, the fusion of a 5G signal in an airplane communication network is completed, the innovative design can deepen the combination of communication and the aviation field, the innovation of the aviation communication concept and mode is promoted, and the method has important significance for the remote airplane control development and the research and development cost reduction.
In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.
It will be appreciated by those skilled in the art that the above embodiments are only for clarity of illustration of the invention, and are not intended to limit the scope of the invention. Other variations or modifications will be apparent to persons skilled in the art in light of the above disclosure and which are within the scope of the invention.
Claims (9)
1. A verification system for an aircraft automatic rolloff technology based on 5G transmission is characterized by comprising:
the simulation cockpit comprises an automatic airplane run-off and run-off control system, a verification system of the automatic airplane run-off and run-off control system, simulation equipment of cockpit equipment and a first 5G module, wherein the simulation equipment is used for sending a control instruction to the unmanned aerial vehicle through the first 5G module and receiving a signal fed back by the unmanned aerial vehicle; the automatic sliding running and driving-off control system of the airplane is used for controlling the automatic sliding running and driving-off process of the unmanned aerial vehicle through the simulation equipment; the verification system of the airplane automatic run-off and run-off control system is used for acquiring and verifying data of the airplane automatic run-off and run-off control system;
the unmanned aerial vehicle comprises a second 5G module, control equipment and sensing equipment, wherein the control equipment is used for receiving the control instruction through the second 5G module and responding to the control instruction; the sensing equipment is used for acquiring sensing data of the unmanned aerial vehicle and sending the acquired sensing data to the simulation equipment through the second 5G module; the unmanned aerial vehicle is a scaled model of a target verification airplane; the control device includes a scaling brake device in the same proportion as the scaling model.
2. The system of claim 1, further comprising:
scaling brake tracks and scaling taxiways.
3. The system of claim 1, wherein the verification system of the airplane auto-jogging and drive-off control system is specifically configured to collect dynamic deceleration rates, braking distance prediction data and braking distance data generated by the airplane auto-jogging and drive-off control system in real time;
and the control equipment is specifically used for adjusting the brake pressure in real time according to the dynamic deceleration rate.
4. The system of claim 1, wherein the automated rollout drive-off process comprises:
an approach process, a landing and running brake process and a running and departure process;
the simulation device is specifically configured to:
controlling the unmanned aerial vehicle to align with a runway in the approaching process;
in the landing and running brake process, sending a dynamic deceleration rate to the unmanned aerial vehicle in real time, wherein the dynamic deceleration rate is used for the control equipment to adjust the brake pressure in real time;
and in the running and driving-off process, controlling the unmanned aerial vehicle to turn to enter a taxiway and then drive off.
5. The system of claim 1,
the aircraft auto-run drive-off control system is further configured to:
updating the brake distance prediction data in real time in the approaching process;
The verification system of the airplane automatic run-off and run-off control system is also used for:
and collecting the braking distance prediction data.
6. The system of claim 1, wherein the verification system of the aircraft auto-taxi drive-off control system is further configured to calculate a time taken on a runway by the auto-taxi drive-off process and a percentage increase in airport transition efficiency.
7. The system of claim 1, wherein the simulation device comprises:
the aircraft comprises an aircraft image display screen, a flight control panel, a flight display panel, a navigation display panel, an altimeter, a horizon sensor, an airspeed meter, a brake pedal, an accelerator lever and an operating lever.
8. The system of claim 1, wherein the simulation device further comprises:
a tower interactive communication system.
9. The system of claim 1, wherein the simulation device is further configured to send a check instruction to the drone through the first 5G module prior to takeoff of the drone; the unmanned aerial vehicle is also used for executing the corresponding action of the checking instruction and returning result data through the second 5G module.
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