CN118278098A - Safety deployment method for civil aircraft airborne equipment meeting navigable standard - Google Patents

Abstract

The invention discloses a safety deployment method of civil aircraft airborne equipment meeting airworthiness standards, which comprises the following steps: determining the airworthiness requirement of the airborne equipment according to airworthiness standards; determining a deployment mode of airborne equipment based on airworthiness requirements in combination with aircraft model and airline regulations; and carrying out security design according to the determined deployment mode. The deployment method provided by the invention can cover the airworthiness requirement of the national aviation regulations, and the safety design is carried out on the airborne equipment to be deployed in a targeted manner, so that the working environment of the civil aviation aircraft is met, the stability and safety of the airborne equipment are effectively improved, and the service life of the airborne equipment is prolonged.

Description

Safety deployment method for civil aircraft airborne equipment meeting navigable standard

Technical Field

The invention relates to the field of civil aircraft airborne equipment, in particular to a security deployment method of the civil aircraft airborne equipment meeting the airworthiness standard.

Background

With the rapid rise of national economy, the air transportation industry has achieved great progress and rapid development. When the living standard of people is improved and the quality requirement is improved, an airplane becomes a preferred travel mode of more and more people, and the problem that passenger demands are considered by various airlines is that better services are provided. Passengers are not limited to transportation functions for taking the airplane, and meanwhile, entertainment modes such as video and audio, surfing and the like are required to be provided, and meanwhile, the flying safety of the airplane is also focused.

The civil aviation aircraft which meets the requirements needs high research and development cost, and at present, each aviation driver mainly adopts the refitting design to the existing aircraft, and extra airborne equipment is additionally arranged on the aircraft so as to meet the use requirements. The cost can be greatly reduced, but other problems are brought about, the aircraft can suffer from severe environments such as temperature difference, air pressure, damp heat and the like and vibration of the aircraft, atmospheric turbulence, electromagnetic radiation and other environmental factors in the flight process, meanwhile, whether the additionally installed equipment can influence the flight safety of the aircraft or not needs to be considered, and the existing ground equipment usually does not need to or needs less to consider such factors, so that the aircraft cannot be directly applied to the aircraft.

The civil aviation bureau has strict airworthiness standard on the airborne equipment based on the knowledge and mastery degree of aviation technology and combining accidents and events occurring in the running process, represents the minimum safety requirement of the civil aviation aircraft on airworthiness flight, is released in the form of national laws and regulations, has forced legal effectiveness, and is a strong constraint condition for the civil aviation aircraft to fly. The current civil aircraft still has great blank in the aspect of deployment of airborne equipment, is limited by own regulations of different airlines and various different types of aircraft, and meanwhile, the safety problem to be born after the aircraft loads the airborne equipment is considered, the existing airborne equipment additionally installed on the civil aircraft generally adopts customized design aiming at the aircraft, and the installed airborne equipment is less in type and quantity and cannot effectively meet the requirements of passengers.

Disclosure of Invention

In view of the blank and the deficiency existing in the prior art, the invention aims to provide a safety deployment method for civil aircraft airborne equipment meeting the airworthiness standard, so as to realize the safety deployment of the civil aircraft airborne equipment.

In a first aspect, an embodiment of the present invention provides a method for deploying safety of a civil aircraft on-board device that meets a navigable standard, including:

determining the airworthiness requirement of the airborne equipment according to airworthiness standards;

according to the airworthiness requirement, determining the deployment mode of the airborne equipment by combining the airplane type and the aviation department regulation;

and carrying out security design according to the deployment mode.

Optionally, in this embodiment, the determining the airworthiness requirement of the on-board device according to the airworthiness standard includes:

The size weight, structural materials, marking indicia, versatility requirements, and airworthiness verification test requirements of the on-board equipment determine airworthiness requirements.

Optionally, in this embodiment, according to the airworthiness requirement, determining the deployment mode of the on-board device in combination with the aircraft model and the airline regulations includes:

the on-board equipment includes equipment deployed outside the cockpit, cabin, wheel well, cargo compartment, electronic compartment, and aircraft;

the aircraft type refers to an internal structure of an aircraft, and a space range of an area to be deployed of an aircraft cabin is obtained;

the voyage includes a stacking height of cargo in the cargo space.

Optionally, in this embodiment, the on-board device includes a device disposed outside the cockpit, the passenger cabin, the wheel pod, the cargo space, the electronic cabin, and the aircraft, including:

The system comprises monitoring camera equipment, line concentration equipment, a switch, an AP hot spot, a terminal control unit, an onboard server and air-ground internet of things equipment;

Modeling an aircraft fuselage and onboard equipment;

coverage and strength of the test signal.

Optionally, in this embodiment, the security design is performed according to the deployment manner, including:

load distribution of airborne equipment and aircraft gravity center change range;

An airborne equipment environment adaptability protection deployment design.

Optionally, in this embodiment, the design for environmental adaptive protection deployment of the on-board device includes:

Electromagnetic compatibility protection design, corrosion-resistant deployment structure design, pressure-increasing and pressure-decreasing protection design and vibration isolation reinforcement design.

Optionally, in this embodiment, the method for designing the security of the system of the on-board server device includes the following steps:

Acquiring hardware state information of an airborne server device;

Circularly recording the task and hardware state information of the airborne server;

generating a relation mapping table to construct a device state pre-estimation model;

estimating the growing trend of the computing resources and executing the task management policies.

Optionally, in this embodiment, the task management policy method includes the following steps:

The importance degree of each task is formulated;

Generating a resource occupation neutral line table of each task;

Releasing occupied computing resources from low to high in importance;

and re-estimating the growth condition of the computing resources after releasing the computing resources.

From the above description, the embodiments of the present invention have the following advantages:

The safety deployment method of the civil aviation aircraft airborne equipment meeting the airworthiness standard can be suitable for the deployment of the aircraft airborne equipment in the whole area of the aircraft, firstly, the airworthiness requirements of the aircraft airborne equipment are analyzed, meanwhile, the safety design is carried out on the deployment mode of the aircraft airborne equipment in a targeted manner by combining with the actual installation model and the own regulation system of the aircraft, so that the problem of environmental adaptability of the aircraft airborne equipment is solved, and the influence of the aircraft airborne equipment on the flight safety of the existing aircraft is minimized. Secondly, a self-detection, self-diagnosis, self-monitoring and self-decision method is provided for the airborne server equipment, so that the failure rate of the equipment can be effectively reduced, and the deployment safety of the airborne equipment of the aircraft is improved.

Drawings

FIG. 1 is a flow chart of a method of deploying safety of a civil aircraft on-board device meeting airworthiness criteria in accordance with one embodiment of the invention;

FIG. 2 is a flow chart of an on-board device bus connection of one embodiment of the invention;

FIG. 3 is a system security design method for an on-board server device of one embodiment of the invention;

FIG. 4 is a task management policy method according to one embodiment of the invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described below with reference to the accompanying drawings, wherein various details of the embodiments of the present invention are provided for understanding only and do not limit the scope of the present invention.

It should be noted that the embodiments mentioned in the present invention are exemplary, and features, structures, characteristics, etc. described in connection with the embodiments may be included in at least one embodiment of the present invention.

Referring to fig. 1, an embodiment of the present invention provides a flowchart of a method for deploying safety of a civil aircraft on-board device that meets airworthiness criteria, the method comprising the steps of:

step S101, determining the airworthiness requirement of airborne equipment according to airworthiness standards;

In particular, the airworthiness criteria should include, but are not limited to, the size and weight of the on-board equipment, the materials of construction, the indicia, the versatility requirements, and the airworthiness verification test requirements, among others. In particular, the airborne equipment needs to meet the aviation regulation to ensure that the airborne equipment meets the on-board safety standard; the structural material meets the aviation safety requirement, and can bear vibration, impact, electromagnetic interference and the like in the flight process of the aircraft; the on-board equipment needs to be provided with relevant marks and descriptions clearly, and key information such as the size, the gravity center, the weight, special notes and the like of the on-board equipment are visually marked; the airborne equipment has universality and can meet the use requirements of different types.

Step S102, determining the deployment mode of the airborne equipment according to the airworthiness requirement and combining the airplane model and the aviation driver rule;

Specifically, the deployment position of the airborne equipment on the aircraft is determined according to the function of the airborne equipment, the airborne server is deployed in the electronic cabin, an AP (wireless access node) wireless panel and a switch are deployed at the top of the cabin, the air-ground internet of things equipment is deployed at the belly shell, the terminal control unit is located in the cockpit, and optionally, the monitoring camera equipment is deployed in the video monitoring areas of the cockpit, the cabin, the wheel cabin and the cargo hold.

And step S103, carrying out security design according to the deployment mode.

Specifically, safety design is carried out according to the installation position and the deployment mode of the airborne equipment, the load distribution and the gravity center change range of the computer-carried equipment are designed, and the fixing mode of the loading equipment is designed, so that the environmental adaptability requirement of the airborne equipment is met. The weight accumulated change caused by the onboard equipment of the aircraft is required to meet the following formula:

w≤|W*0.5％|

wherein W is the weight accumulated change amount, and W is the excessive maximum landing weight. Alternatively, the maximum landing weight of the air passenger A320 is 67400KG, and the total amount of the installed on-board equipment is not more than 337KG.

Referring to fig. 2, an embodiment of the present invention provides a flowchart of an on-board device bus connection, the method comprising the steps of:

step S201, the monitoring camera equipment is connected to the line concentration equipment;

Specifically, in one embodiment of the present invention, 2 surveillance camera apparatuses are deployed in the flight deck of the air passenger a320 model, 7 surveillance camera apparatuses are deployed in the passenger cabin, 2 surveillance camera apparatuses are deployed in the front and rear cargo holds, and 2 surveillance camera apparatuses are deployed in the wheel holds. Optionally, the monitoring camera device selects a camera with resolution 1080P and infrared light supplement, the cockpit monitoring camera device is 120 degrees of field angle, 160 degrees of field angle is arranged above the passenger cabin monitoring camera device walkway, 90 degrees of field angle is arranged above the front cabin door and the rear cabin door, 140 degrees of field angle is arranged in the cargo compartment, and 120 degrees of field angle is arranged in the wheel compartment.

Step S202, the line concentration equipment is connected with a switch;

Specifically, all the monitoring camera devices are connected to the line concentration device, and the line concentration device is connected with the switch. Alternatively, the line concentration device uses 2 8-port hubs deployed on the top of the cabin aisle near the sides of the cockpit. In particular, when using a wireless monitoring camera apparatus, the line concentration apparatus uses an AP hotspot instead.

Step S203, the exchanger is connected with the terminal control unit and the airborne server;

specifically, the server and the terminal control unit are connected to the switch. Optionally, the terminal control unit is deployed in the cockpit for application and monitoring of on-board equipment. Particularly, when the AP hot spot mode is adopted, the switch uses a POE switch, and the terminal control unit uses mobile terminals such as iPad.

Step S204, the air-ground physical connection equipment is connected to a switch;

Specifically, the air-ground internet of things equipment is arranged outside the aircraft at the belly, and a communication link is established with the ground.

In step S205, the signal strength and stability are tested.

Specifically, modeling is performed on an airplane body and airborne equipment, coverage range and strength of analog signals are measured, and after actual deployment, coverage states and stability of signals in all areas are tested by using signal detectors.

It will be appreciated that in practice the on-board devices include, but are not limited to, those described above, but also include other types of necessary on-board devices.

Referring to fig. 3, the method for designing the safety of the airborne server device system according to the embodiment of the invention includes the following steps:

step S301, acquiring hardware state information of an airborne server device;

Specifically, the obtained hardware state information of the airborne server equipment comprises key parameters such as temperature, memory usage, CPU utilization, GPU occupancy rate, disk residual space and the like.

Step S302, circularly recording the task and hardware state information of the airborne server;

specifically, the occupation consumption condition of hardware resources when the onboard server processes different tasks is recorded.

Step S303, generating a relation mapping table to construct a device state estimation model;

Specifically, a table is built on the recorded task and equipment hardware state information, a task resource relation mapping table S _A is generated, a BP neural network is utilized to carry out resource use curve fitting on the table, and an equipment state estimation model is built.

The BP neural network is defined as the following formula:

Wherein, the BP neural network adopts a three-layer model, O _k is network output, represents the estimated hardware resource utilization rate of an onboard server at the next moment, g (x) is an excitation function, w _ij is input layer-to-hidden layer weight, w _jk is hidden layer-to-output layer weight, a _j is input layer-to-hidden layer bias, b _k is hidden layer-to-output layer bias, l is hidden layer node number, n is output layer node number, i represents a first layer hidden layer ith neuron, j represents a second layer hidden layer jth neuron, and k represents an output layer kth neuron. Alternatively, embodiment g (x) of the present invention uses a sigmoid function, l is set to 1 and n is set to 5.

Specifically, in one embodiment of the present invention, x _i is an input parameter of the model in the device state estimation model, and i is a number of input parameters, including a hardware state parameter of the on-board server device including a temperature, a memory usage amount, a CPU utilization rate, a GPU occupancy rate, a disk remaining space, and the like. O _k is output of a model, represents the estimated increasing trend of the state of the airborne server equipment, and k is the output result number of the model, namely the model estimates the trend of increasing or decreasing the utilization rate of the airborne server resources at the next moment by analyzing the hardware state of the airborne server at the current moment. Optionally, in the embodiment of the present invention, the number of parameters input is 5, and the number of results output by the model is 1.

Step S304, estimating the increasing trend of the utilization rate of the hardware resources of the onboard server and executing the task management strategy.

Specifically, according to the output O _k of the device state estimation model, the growth condition of the hardware resource utilization rate of the airborne server can be estimated, and when the estimated utilization rate of the resource exceeds a preset critical value ζ, task management strategy operation is executed. Optionally, the present embodiment ζ is set to 0.8.

Referring to fig. 4, in step S304, the task management policy operation provided in the embodiment of the present invention includes the following steps:

step S401, making importance degrees of various tasks;

Specifically, the on-board server device executes various types of tasks, and the importance of each task is manually determined in an initialization stage. Optionally, according to an embodiment of the invention, the task importance is ordered as follows: wheel cabin anomaly detection > cargo cabin anomaly detection > cabin event detection > cockpit violation detection > data storage > data transmission.

Step S402, generating a resource occupation center line table of each task;

Specifically, according to the task resource relation mapping table S _A recorded for multiple times, clustering the table by using a density clustering algorithm DBSCAN, and taking the maximum boundary of the most clusters as the median line of task resource occupation to obtain a resource occupation median line table of each task A median value of hardware resource usage representing each task.

Step S403, releasing occupied computing resources from low to high according to importance;

Specifically, the growth condition of the computing resources is estimated and obtained through the equipment state estimation model, the task importance predetermined in the step S401 is utilized to put the task with the lowest importance back into the task queue for waiting in combination with the task currently being executed, and when the t computing resources continuously estimated by the equipment state estimation model and the neutral line table obtained through clustering in the step S402 are used for waiting After the resource occupation accumulation of the task is lower than the threshold value xi preset in the step S304, the task is re-executed, and the formula is as follows:

wherein G _t represents the computing resource estimation of the t-time equipment state estimation model, For a midline meterThe median value corresponding to each task. Alternatively, according to one embodiment of the present invention, t is set to 10.

Step S404, re-estimating the growth condition of the computing resource after releasing the computing resource.

Specifically, after the occupied computing resources are released, the growth condition of the computing resources is estimated again by using the equipment state estimation model, if the computing resources are lower than the critical value ζ preset in the step S304 for k times, the on-board server is determined to be in a health state, otherwise, the step S403 is executed again until the condition is met. The step S401 is specifically to sort the task importance of the corresponding hardware device, and the wheel-cabin anomaly detection, the cargo-cabin anomaly detection, the cabin event detection, and the cockpit violation detection may suspend analysis of the data acquired by the monitoring camera devices deployed in different areas, and the data storage will suspend writing the data acquired by the monitoring camera devices in the airborne server device, and the data transmission will stop transmitting the data to the ground through the air-ground internet of things device.

In the embodiment of the invention, the on-board equipment can be divided into two main types, namely an inside cabin type and an outside cabin type according to the deployment position. The airborne equipment deployed in the wheel well and the airborne equipment outside the fuselage belong to the off-board equipment, and the airborne equipment deployed in the cockpit, the passenger cabin, the cargo compartment and the electronic cabin belong to the in-board equipment. According to the working environment, the environment-adaptive deployment design comprising electromagnetic compatibility protection design, corrosion-resistant deployment structure design, pressure-increasing and pressure-decreasing protection design and vibration isolation reinforcement design under the requirement of the airworthiness standard is met.

Specifically, the electromagnetic compatibility protection design in this embodiment adopts the following method: comprehensive prediction of electromagnetic environment is carried out on the key parts of the interior of the aircraft, particularly the metal coverage area, and protective design is needed in places where electromagnetic interference exists. Optionally, seam leakage at the equipment assembly surface is inhibited, and a conductive film is coated on the surface of the equipment by adopting technologies such as spraying, vacuum deposition, pasting and the like to prevent radio frequency radiation, and meanwhile, a high-level cable, a pulse lead and a low-level cable are arranged separately or are filled with other media.

Specifically, the corrosion-resistant deployment structure in this embodiment is designed by the following method: the connecting piece without a closed section is reduced, reliable sealing or sealing treatment is carried out at the opening of the cavity, and meanwhile, a deeper groove body structure is prevented from being designed on a drainage and liquid discharge path on the premise of guaranteeing the structural integrity. The mounting bracket adopts an integrated design to reduce connecting pieces, so that corrosive mediums are reduced from invading the interior of airborne equipment.

Specifically, the design of the pressure increasing and reducing protection in this embodiment adopts the following method: the sealing device adopts a design mode of evacuating or filling protective gas in the interior, simultaneously increases the internal circuit clearance of the airborne equipment to increase the gas insulation distance, uses a temperature-resistant heat insulation material and a process in a part which is easy to generate sparks, and increases an insulating adhesive layer at an air insulation part.

Specifically, the following method is adopted for the vibration isolation and reinforcement design in this embodiment: vibration isolation elements such as wire vibration isolators and rubber vibration isolators are added according to the position of the equipment, the vibration environment and the load distribution. And the fastening piece reinforced by the loading equipment adopts a headed fastening piece and a spring washer which are processed by upsetting. It will be appreciated that the design of the environmental adaptation adopted in practical application should be designed according to the actual model and the relevant regulations of each navigation, and the design method of each model is not limited.

In addition, the technical part in the protection scope of the present application is not limited to the specific embodiments given in the present document, and all technologies that do not contradict the scheme of the present application are included in the protection scope of the present application. It will be apparent to those skilled in the art that various modifications and alternatives and improvements can be made according to the design requirements and other factors, and are intended to be included in the scope of the present application.

Claims (10)

1. An on-board apparatus for a civil aircraft meeting airworthiness criteria, comprising:

An onboard server arranged in the electronic cabin,

An AP wireless panel and a switch disposed at the top of the passenger cabin,

An air-ground physical connection device arranged at the belly shell,

A terminal control unit arranged in the cockpit,

A monitoring camera device arranged in the video monitoring areas of the cockpit, the passenger cabin, the wheel cabin and the cargo cabin,

Wherein:

the cumulative amount of weight change caused by the on-board equipment should satisfy the following formula:

w≤|W*0.5％|，

wherein W is the weight accumulated change amount, W is the excessive maximum landing weight,

The monitoring camera device is connected to the line concentration device,

The line concentration device is connected to the switch,

The on-board server and the terminal control unit are connected to the exchange,

The air-ground physical connection equipment is connected to the switch;

the air-ground internet of things equipment is arranged outside the airplane at the position of the airplane belly, establishes a communication link with the ground,

Wherein the terminal control unit includes:

A1 A portion that obtains hardware state information for the on-board server device, the hardware state information including temperature, memory usage, CPU utilization, GPU occupancy, disk space remaining,

A2 Part for circularly recording the task and hardware state information of the onboard server, wherein the recorded content comprises the occupation consumption condition information of the hardware resources when the onboard server processes different tasks,

A3 An onboard equipment state estimation model construction section for constructing an onboard equipment state estimation model by generating a relationship map, the construction operation including:

the recorded task and the hardware state information of the equipment are tabulated to generate a task resource relation mapping table S _A,

And performing resource utilization curve fitting on the table by utilizing the BP neural network to construct an equipment state estimation model, wherein:

the BP neural network is defined as the following formula:

The BP neural network adopts a three-layer model,

0 _k Is a network output, representing the estimated utilization of the hardware resources of the on-board server at the next time,

G (x) is the excitation function,

W _ij is the input layer-to-hidden layer weight,

W _jk is the implicit layer to output layer weight,

A _j is the input layer to hidden layer bias,

B _k is the hidden layer to output layer bias,

L is the number of hidden layer nodes,

N is the number of output layer nodes,

I denotes the first hidden layer i-th neuron,

J represents the jth neuron of the hidden layer of the second layer,

K denotes the kth neuron of the output layer,

X _i is an input parameter of the model, which is a hardware state parameter of the airborne server equipment including temperature, memory usage, CPU utilization, GPU occupancy rate and disk residual space,

I is an index of the input parameter and,

O _k is the output of the model, represents the estimated increasing trend of the utilization rate of the hardware resources of the onboard server equipment,

K is an index of the output result of the model,

A4 A task management policy execution section for estimating a trend of increase in the utilization rate of hardware resources of the on-board server based on the output O _k of the model and executing the task management policy,

And executing the operation of the task management strategy when the O _k exceeds a preset critical value xi.

2. The apparatus for constructing a civil aircraft satisfying the airworthiness criteria as set forth in claim 1, wherein the apparatus state estimation model constructing section includes a section for:

A31 The importance degree of each task is established, including the following steps: wheel cabin anomaly detection, cargo cabin anomaly detection, cabin event detection, cockpit violation detection, data storage and data transmission,

A32 Generating a resource occupation center line table of each task, including clustering the table by using a density clustering algorithm DBSCAN according to a task resource relation mapping table recorded for a plurality of times, taking the maximum boundary of the most clusters as the median line of task resource occupation to obtain the resource occupation center line table of each taskA median value of hardware resource usage representing the tasks,

A33 Freeing up occupied computing resources from low to high in importance, including according to an estimated trend of increasing usage of hardware resources of the on-board server, in combination with the task currently being executed, ordering according to said task importance, re-executing the task when:

wherein G _t represents the computing resource estimation of the t-time equipment state estimation model, For a midline meterThe median value corresponding to each task in the system,

A34 Re-estimating the growth of the computing resources after releasing the occupied computing resources, including:

after the occupied computing resources are released, the growth condition of the computing resources is re-estimated by using the equipment state estimation model,

And if the calculation resources are lower than the critical value xi for k times continuously, judging that the on-board server is in a healthy state, otherwise, executing the step A33 again until the condition is met.

3. The apparatus for onboard a civil aircraft meeting airworthiness criteria of claim 2, wherein:

releasing the occupied computing resources refers to putting the corresponding hardware device into a standby state.

4. The apparatus for carrying out a civil aviation aircraft meeting airworthiness criteria of claim 1, wherein:

g (x) uses a sigmoid function, l is set to 1, and n is set to 5.

5. The apparatus for carrying out a civil aviation aircraft meeting airworthiness criteria of claim 1, wherein:

The line concentration device uses 2 8-port hubs, is deployed on the top of the cabin walkway near the two sides of the cockpit,

When using the wireless monitoring camera device, the line concentration device uses the AP hot spot to replace,

When adopting AP hotspot mode, the switch uses POE switch, and terminal control unit uses mobile terminal such as iPad.

6. An operation management-control method for an on-board device of a civil aircraft meeting airworthiness criteria, the on-board device comprising:

An onboard server arranged in the electronic cabin,

An AP wireless panel and a switch disposed at the top of the passenger cabin,

An air-ground physical connection device arranged at the belly shell,

A terminal control unit arranged in the cockpit,

A monitoring camera device arranged in the video monitoring areas of the cockpit, the passenger cabin, the wheel cabin and the cargo cabin,

Wherein:

the cumulative amount of weight change caused by the on-board equipment should satisfy the following formula:

w≤|W*0.5％|，

wherein W is the weight accumulated change amount, W is the excessive maximum landing weight,

The monitoring camera device is connected to the line concentration device,

The line concentration device is connected to the switch,

The on-board server and the terminal control unit are connected to the exchange,

The air-ground physical connection equipment is connected to the switch;

the air-ground internet of things equipment is arranged outside the airplane at the position of the airplane belly, establishes a communication link with the ground,

The method is characterized by comprising the following steps:

B1 Acquiring hardware state information of the airborne server equipment, wherein the hardware state information comprises temperature, memory usage, CPU utilization, GPU occupancy rate and disk residual space,

B2 Circularly recording the task and hardware state information of the onboard server, wherein the recorded content comprises the occupation consumption condition information of hardware resources when the onboard server processes different tasks,

B3 Building an airborne equipment state estimation model by generating a relation mapping table, wherein the building operation comprises the following steps:

the recorded task and the hardware state information of the equipment are tabulated to generate a task resource relation mapping table S _A,

And performing resource utilization curve fitting on the table by utilizing BP neural network to construct a device state estimation model,

Wherein:

the BP neural network is defined as the following formula:

The BP neural network adopts a three-layer model,

O _k is network output, which represents the estimated utilization rate of the hardware resource of the on-board server at the next moment,

G (x) is the excitation function,

W _ij is the input layer-to-hidden layer weight,

W _jk is the implicit layer to output layer weight,

A _j is the input layer to hidden layer bias,

B _k is the hidden layer to output layer bias,

L is the number of hidden layer nodes,

N is the number of output layer nodes,

I denotes the first hidden layer i-th neuron,

J represents the jth neuron of the hidden layer of the second layer,

K denotes the kth neuron of the output layer,

X _i is an input parameter of the model, which is a hardware state parameter of the airborne server equipment including temperature, memory usage, CPU utilization, GPU occupancy rate and disk residual space,

I is an index of the input parameter and,

O _k is the output of the model, represents the estimated growth trend of the state of the airborne server equipment,

K is an index of the output result of the model,

B4 Estimating the increasing trend of the use of the hardware resources of the on-board server according to the output O _k of the model, and executing the task management policy,

And executing the operation of the task management strategy when the O _k exceeds a preset critical value xi.

7. The operation management-control method according to claim 6, characterized in that step B3) includes:

B31 The importance degree of each task is established, including the following steps: wheel cabin anomaly detection, cargo cabin anomaly detection, cabin event detection, cockpit violation detection, data storage and data transmission,

B32 Generating a resource occupation center line table of each task, including clustering the table by using a density clustering algorithm DBSCAN according to a task resource relation mapping table recorded for a plurality of times, taking the maximum boundary of the most clusters as the median line of task resource occupation to obtain the resource occupation center line table of each taskA median value of hardware resource usage representing the tasks,

B33 Freeing up occupied computing resources from low to high in importance, including according to an estimated trend of increasing usage of hardware resources of the on-board server, in combination with the task currently being executed, ordering according to said task importance, re-executing the task when:

wherein G _t represents the computing resource estimation of the t-time equipment state estimation model, For a midline meterThe median value corresponding to each task in the system,

B34 Re-estimating the growth of the computing resources after releasing the occupied computing resources, including:

after the occupied computing resources are released, the growth condition of the computing resources is re-estimated by using the equipment state estimation model,

And if the calculation resources are lower than the critical value xi for k times continuously, judging that the on-board server is in a healthy state, otherwise, executing the step A33 again until the condition is met.

8. The operation management-control method according to claim 7, characterized in that:

releasing the occupied computing resources refers to putting the corresponding hardware device into a standby state,

G (x) uses a sigmoid function, l is set to 1, and n is set to 5.

9. The operation management-control method according to claim 6, wherein:

The line concentration device uses 2 8-port hubs, is deployed on the top of the cabin walkway near the two sides of the cockpit,

When using the wireless monitoring camera device, the line concentration device uses the AP hot spot to replace,

When adopting AP hotspot mode, the switch uses POE switch, and terminal control unit uses mobile terminal such as iPad.

10. A computer readable storage medium storing a computer executable program enabling a processor to perform the method according to one of claims 6-9.