CN115839918A - Calibration device and method for aircraft residual ice detection system, storage medium and robot - Google Patents
Calibration device and method for aircraft residual ice detection system, storage medium and robot Download PDFInfo
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Abstract
The invention belongs to the technical field of calibration of airplane residual ice detection systems, and discloses a device and a method for calibrating an airplane residual ice detection system, a storage medium and a robot. The calibration device for the aircraft residual ice detection system under the coupling of multiple environmental factors comprises an identification device, an equipment state regulation and control device, a residual ice detection system, an environment control system, a data acquisition device and a computer data control processing unit. In order to improve the detection precision of the residual ice detection system and reduce the false detection rate and the missing detection rate of the residual ice detection system, the invention provides the calibration device and the calibration method of the airplane residual ice detection system under the coupling of multiple environmental factors, which solve the problems of low efficiency and large influence of operators in the conventional manual calibration and have great engineering application value in the field of residual ice detection. The invention can improve the detection precision of the residual ice detection system, reduce the false detection rate and the missing detection rate of the residual ice detection system, and solve the problems of low efficiency and great influence of operators in the traditional manual calibration.
Description
Technical Field
The invention belongs to the technical field of calibration of airplane residual ice detection systems, and particularly relates to a device and a method for calibrating an airplane residual ice detection system, a storage medium and a robot.
Background
Under severe weather conditions in winter, the airplane must be subjected to residual ice detection after deicing and before takeoff to ensure the flight safety of the airplane. When the airplane residual ice detection system detects, the near-infrared focal plane imaging system is required to successively acquire images of the same detected area under different wavelength channels. And identifying and detecting the residual ice by performing comparative analysis on the detection data at the same position and under different wavelengths. Because different wavelength channels are switched to be imaged in sequence, the acquired images need to be matched at first so as to ensure that detection areas corresponding to pixel points of the acquired images under each channel are consistent. The system performs comparative analysis by adopting the matched image data to complete the identification and detection of the residual ice. Generally, the airplane residual ice detection system increases along with the use time, and detection parameters can be changed.
Through the above analysis, the problems and defects of the prior art are as follows: at present, an airplane residual ice detection system is mainly calibrated manually through a standard test block, the efficiency is low, and the influence of operators is large. The false detection rate and the missing detection rate of the residual ice detection system are high; and the calibration efficiency and accuracy of the aircraft residual ice detection system in the prior art are low.
Disclosure of Invention
In order to overcome the problems in the related art, the disclosed embodiment of the invention provides a calibration device and method for an aircraft residual ice detection system, a storage medium and a robot. In particular to a device and a method for calibrating an aircraft residual ice detection system under coupling of multiple environmental factors.
The technical scheme is as follows: a calibration device for an aircraft residual ice detection system under multi-environment factor coupling comprises:
the identification device is used for identifying the type of the fuselage skin material through the divided different regions and dividing a plurality of ice subareas in different states on the divided different regions according to the type of the residual ice;
the equipment state regulating and controlling device is used for carrying the environmental control system, the identification device and the residual ice detection system and is used for regulating the relative distance and the angle between the residual ice detection system, the identification device and the environmental control system;
the residual ice detection system is used for detecting residual ice information of a plurality of ice subareas in different states on the identification device;
the environmental control system is used for simulating and providing multiple environmental factors in the aircraft residual ice detection, and comprises: ambient light, ambient air, ambient temperature and humidity;
the data acquisition device is used for acquiring the angle between the identification device and the horizontal direction and the numerical value of the environmental influence factor provided by the environment control system;
and the computer data control processing unit is used for being in wireless connection with the data acquisition device and analyzing and processing the data acquired by the data acquisition device.
In one embodiment, the identification device comprises a calibration plate, and the calibration plate is divided into a first aluminum alloy skin material area, a second aluminum alloy skin material area, a third aluminum alloy skin material area, a first composite material area, a second composite material area, a third composite material area, a first titanium alloy skin material area, a second titanium alloy skin material area and a third titanium alloy skin material area according to the type of the fuselage skin material;
each main area is divided into three sub-areas of frost ice, transparent ice and mixed ice according to the type of the residual ice, and each sub-area is respectively covered with typical coating layers of airplanes with different colors.
In one embodiment, the device condition regulating means comprises an adjustable bracket;
the adjustable support comprises a fine adjustment mechanism and a base connected with the first high-precision sliding guide rail, and the fine adjustment mechanism in the adjustable support can adjust the height of a marking plate in the marking device relative to the first high-precision sliding guide rail and the angle of the marking plate relative to the horizontal plane.
In one embodiment, the first high-precision sliding guide rail is provided with a residual ice detection system, and a first servo motor and a first lead screw which are arranged on the first high-precision sliding guide rail are used for controlling the distance between the calibration plate and an infrared active light source in the residual ice detection system.
In one embodiment, the apparatus state regulating device further comprises a second high-precision sliding guide rail;
the environmental control system comprises:
the xenon arc lamp group is arranged on the second high-precision sliding guide rail, a second servo motor and a second lead screw are arranged on the second high-precision sliding guide rail and used for controlling the position of the xenon arc lamp group, and the xenon arc lamp group is used for providing different illumination intensities and simulating various types of ambient light;
the air source is arranged on the side wall of the sealed container and is provided with an air inlet and an air outlet;
the constant temperature and humidity machine is arranged behind the xenon arc lamp bank, and a constant temperature and humidity air inlet and a constant temperature and humidity air outlet are arranged on the side surface of the constant temperature and humidity machine.
In one embodiment, the data acquisition device comprises: the distance measuring element is used for measuring the distance between a calibration plate arranged on the first high-precision sliding guide rail and the residual ice detection system;
the angle sensor is used for measuring the angle between the calibration plate and the horizontal direction;
and the temperature sensor, the humidity sensor and the pressure sensor are used for measuring the temperature, the humidity and the pressure of the gas medium in the sealed container.
Another objective of the present invention is to provide a calibration method for an aircraft ice detection system under multi-environment-factor coupling, comprising:
s1, setting required environment parameters: the method comprises the steps of measuring the temperature, the humidity, the pressure intensity, the ambient light intensity, the distance between a calibration plate and an infrared light source in an airplane residual ice detection system and the angle of the calibration plate in a sealed container;
s2, detecting the residual ice on the calibration plate, and uploading the residual ice detection value and data obtained by measuring by using a humidity sensor, a pressure sensor, a temperature sensor, a distance measuring sensor and an angle sensor to a computer data control processing unit;
s3, adjusting environmental parameters to obtain a data set; and analyzing by applying a multiple regression algorithm based on the acquired data set, screening out an influence factor set of the aircraft residual ice detection system and obtaining an error compensation quantity of the aircraft residual ice detection system.
In one embodiment, in step S3, based on a data-driven multiple regression algorithm, performing multiple regression analysis with the residual ice thickness detection error as a dependent variable and multiple influence factors as independent variables, screening out an influence factor set of the aircraft residual ice detection system, and excluding parameters irrelevant to the residual ice detection system; and fitting based on the obtained data set to obtain the error compensation quantity of the aircraft residual ice detection system.
Another object of the present invention is to provide a computer readable storage medium, which stores a computer program, and when the computer program is executed by a processor, the processor executes the calibration method for the multi-environment-factor-coupled aircraft residual ice detection system.
The invention also aims to provide the aircraft residual ice detection robot provided with the calibration device of the aircraft residual ice detection system under the coupling of multiple environmental factors.
By combining all the technical schemes, the invention has the advantages and positive effects that:
first, aiming at the technical problems existing in the prior art and the difficulty in solving the problems, the technical problems to be solved by the technical scheme of the present invention are closely combined with the technical scheme to be protected and the results and data in the research and development process, and some creative technical effects brought after the problems are solved are analyzed in detail and deeply. The specific description is as follows: in order to improve the calibration efficiency and accuracy of the aircraft residual ice detection system, the invention designs a calibration device and a calibration method of the aircraft residual ice detection system under the coupling of multiple environmental factors. In addition, in order to improve the detection precision of the residual ice detection system and reduce the false detection rate and the missing detection rate of the residual ice detection system, the invention provides the calibration device and the calibration method of the airplane residual ice detection system under the coupling of multiple environmental factors, solves the problems of low efficiency and large influence of operators in the conventional manual calibration, and has great engineering application value in the field of residual ice detection.
Secondly, regarding the technical solution as a whole or from the perspective of products, the technical effects and advantages of the technical solution to be protected by the present invention are specifically described as follows: the calibration device for the aircraft residual ice detection system provided by the invention can improve the detection precision of the residual ice detection system, reduce the false detection rate and the missing detection rate of the residual ice detection system, and solve the problems that the traditional manual calibration is low in efficiency and is greatly influenced by operators.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
FIG. 1 is a schematic diagram of a calibration apparatus for an aircraft ice debris detection system under coupling of multiple environmental factors according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a calibration plate provided by an embodiment of the present invention;
FIG. 3 is a schematic diagram of a high-precision slide rail with a servo motor according to an embodiment of the present invention;
FIG. 4 is a schematic view of an adjustable bracket connected to a high-precision slide rail with a servo motor according to an embodiment of the present invention;
FIG. 5 is a schematic view of a xenon arc lamp set provided by an embodiment of the present invention;
FIG. 6 is a schematic view of a sealed container provided by an embodiment of the present invention;
FIG. 7 is a block diagram of a computer data control processing unit according to an embodiment of the present invention;
FIG. 8 is a flowchart of a calibration method for an aircraft ice debris detection system coupled with multiple environmental factors according to an embodiment of the present invention;
FIG. 9 is a flowchart of a method for calibrating an aircraft ice debris detection system coupled with multiple environmental factors according to an embodiment of the present invention;
in the figure: 1. calibrating the plate; 2. an adjustable support; 31. a first high-precision slide rail; 32. a second high-precision slide rail; 4. a residual ice detection system; 5. a xenon arc lamp group; 6. a gas source; 7. a humidity sensor; 8. a pressure sensor; 9. a temperature sensor; 10. a constant temperature and humidity machine; 11. a ranging sensor; 12. an angle sensor; 13. sealing the container; 14. a computer data control processing unit; 111. a first aluminum alloy skin material region; 112. a second aluminum alloy skin material region; 113. a third aluminum alloy skin material region; 121. a first composite region; 122. a second composite region; 123. a third composite region; 131. a first titanium alloy skin material region; 132. a second titanium alloy skin material region; 133. a third titanium alloy skin material region.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
1. Illustrative examples are illustrated:
the embodiment of the invention provides a calibration device for an aircraft residual ice detection system under coupling of multiple environmental factors, which comprises:
the identification device is used for identifying the type of the fuselage skin material through the divided different regions and dividing a plurality of ice subareas in different states on the divided different regions according to the type of the residual ice;
the equipment state regulating and controlling device is used for carrying an environmental control system, an identification device and a residual ice detection system 4 and is used for regulating the relative distance and the angle between the residual ice detection system 4, the identification device and the environmental control system;
the residual ice detection system 4 is used for detecting residual ice information of a plurality of ice subareas in different states on the identification device;
the environmental control system is used for simulating and providing multiple environmental factors in the detection of the aircraft residual ice, and comprises: ambient light, ambient air, ambient temperature and humidity;
the data acquisition device is used for acquiring the angle between the identification device and the horizontal direction and the numerical value of the environmental influence factor provided by the environment control system;
and the computer data control processing unit 14 is used for being in wireless connection with the data acquisition device and analyzing and processing the data acquired by the data acquisition device.
In a preferred embodiment of the invention, the identification means comprise a calibration plate 1;
the equipment state regulating and controlling device comprises an adjustable bracket 2; the adjustable support 2 comprises a fine adjustment mechanism and a base connected with the first high-precision sliding guide rail 31, and the fine adjustment mechanism in the adjustable support 2 can adjust the height of the marking plate 1 relative to the first high-precision sliding guide rail 31 and the angle between the marking plate and the horizontal plane.
The apparatus state regulating device further includes a second high-precision slide rail 32.
Example 1
As shown in fig. 1 to 7, the calibration device for an aircraft ice detection system under multi-environment-factor coupling according to an embodiment of the present invention includes: the device comprises a calibration plate 1, an adjustable support 2, a first high-precision sliding slide rail 31, a residual ice detection system 4, a xenon arc lamp set 5, an air source 6, a humidity sensor 7, a pressure sensor 8, a temperature sensor 9, a constant temperature and humidity machine 10, a distance measuring sensor 11, an angle sensor 12, a sealed container 13, a computer data control processing unit 14 and the like.
The calibration plate 1, the residual ice detection system 4 and the xenon arc lamp group 5 are respectively installed on the adjustable support 2 shown in the figure 1, and an infrared active light source on the residual ice detection system 4 faces the xenon arc lamp group 5 in the same direction, is intersected with the direction facing the calibration plate 1 and is parallel to the first high-precision sliding slide rail 31;
the xenon arc lamp group 5, the gas source 6 and the constant temperature and humidity machine 10 jointly form an environment control system, the xenon arc lamp group 5 is installed on the adjustable support 2 and is arranged on the second high-precision sliding slide rail 32, and the front surface of the xenon arc lamp group is provided with an ambient light outlet.
The air source 6 is arranged on the side wall of the sealed container 13 and is provided with an air inlet and an air outlet.
The constant temperature and humidity machine 10 is arranged behind the xenon arc lamp group 5, and the side surface of the constant temperature and humidity machine is provided with an air inlet and an air outlet;
the computer data control processing unit 14 (as shown in fig. 7) is wirelessly connected with the data acquisition device, namely the humidity sensor 7, the pressure sensor 8, the temperature sensor 9, the distance measurement sensor 11 and the angle sensor 12, and acquired data are used for subsequent analysis and processing.
Example 2
Based on the calibration device for the aircraft residual ice detection system under multi-environment-factor coupling described in embodiment 1, further, the whole device is sealed in a sealed container (heat insulation container) 13, and a constant temperature and humidity machine 10, an air source 6 and a xenon arc lamp set 5 are installed inside the device and used for simulating the real environment of the aircraft residual ice detection system 4 during operation. The calibration device of the aircraft residual ice detection system 4 designed by the invention is provided with powerful data acquisition devices (a humidity sensor 7, a pressure sensor 8, a temperature sensor 9, a distance measurement sensor 11 and an angle sensor 12) for acquiring various environmental parameters and uploading the environmental parameters to a computer data control processing unit 14.
When the aircraft residual ice detection system 4 needs to be calibrated, firstly setting the environmental parameters required by the experiment: including the temperature, humidity, pressure, ambient light intensity in the sealed container 13, and the distance and angle between the calibration plate 1 and the infrared light source in the aircraft ice residue detection system 4. And then, the residual ice detection system 4 is started to detect residual ice on the calibration plate 1, and the detection value and the data of the humidity sensor 7, the pressure sensor 8, the temperature sensor 9, the distance measuring sensor 11 and the angle sensor 12 are uploaded to the computer data control processing unit 14. And adjusting the environmental parameters to perform multiple experiments to obtain sufficient data sets.
Analyzing by applying a multiple regression algorithm based on the acquired data set, screening out an influence factor set of the aircraft residual ice detection system 4 and obtaining an error compensation amount of the aircraft residual ice detection system 4, wherein the multiple regression algorithm specifically comprises the following steps:
as shown in FIG. 8, correlation analysis is first performed by using the residual ice thickness detection error as a dependent variable and the multiple influencing factors as independent variables to determine whether correlation exists between the dependent variable and the independent variable and between the independent variable and the independent variable. If the correlation between the dependent variable and the independent variable is poor, which indicates that there is no significant causal relationship between the independent variable and the dependent variable, the independent variable can be eliminated. If the correlation between the two dependent variables is strong, the two dependent variables are represented to have substitutability, and one of the two dependent variables is reserved. And then drawing a scatter diagram of each variable and the dependent variable, observing whether a linear relation exists, if the dependent variable and the independent variable present the linear relation, performing multiple linear regression, otherwise, performing multiple nonlinear regression to obtain a multiple regression model. And then, carrying out validity check on the obtained model: the multiple inspection coefficient R2 is mainly measured, and the higher the value of R2, the better the fitting degree is, and the model has higher effectiveness. The output of the model is the compensation of the aircraft ice residue detection system 4.
Example 3
Based on the calibration device 4 for the aircraft residual ice detection system under the coupling of multiple environmental factors provided by the embodiment of the invention, further, the calibration plate 1 is divided into three main areas of aluminum alloy, composite material and titanium alloy according to the types of the fuselage skin materials, as shown in fig. 2, namely:
a first aluminum alloy skin material area 111, a second aluminum alloy skin material area 112, a third aluminum alloy skin material area 113, a first composite material area 121, a second composite material area 122, a third composite material area 123, a first titanium alloy skin material area 131, a second titanium alloy skin material area 132, and a third titanium alloy skin material area 133.
Each main area is divided into three sub-areas of frost ice, transparent ice and mixed ice according to the type of the residual ice, and each sub-area is respectively coated with red, black, white, blue and grey-white aircraft typical coatings;
the residual ice types of the first aluminum alloy skin material area 111, the first composite material area 121 and the first titanium alloy skin material area 131 are frost ice;
the residual ice types in the second aluminum alloy skin material area 112, the second composite material area 122 and the second titanium alloy skin material area 132 are transparent ice;
the residual ice types in the third aluminum alloy skin material area 113, the third composite material area 123 and the third titanium alloy skin material area 133 are mixed ice;
each area is covered with five typical coatings of red, black, white, blue and grey with equal area for airplanes.
In the embodiment of the invention, the first high-precision sliding guide rail 31 is further provided with a residual ice detection system 4, and the distance between the calibration plate 1 and an infrared active light source in the residual ice detection system 4 is controlled by using a first servo motor and a first lead screw;
in the embodiment of the invention, the sealed container 13 and the environmental control system are used for sealing the environment where the calibration plate 1 and the residual ice detection system 4 are located and simulating the environment of the airplane residual ice detection system 4 during working;
and the data acquisition device is used for acquiring the distance, the angle between the calibration plate 1 and the horizontal direction and the numerical value of the environmental influence factor. The data acquisition device includes: a humidity sensor 7, a pressure sensor 8, a temperature sensor 9, a distance measuring sensor 11 and an angle sensor 12;
the adjustable support 2 comprises a fine adjustment mechanism and a base connected with the first high-precision sliding guide rail 31, and the fine adjustment mechanism (not shown in the figure) in the adjustable support 2 can adjust the height of the calibration plate 1 relative to the first high-precision sliding guide rail 31 and the angle between the calibration plate and the horizontal plane.
In an embodiment of the present invention, the environmental control system includes: the xenon arc lamp group 5 is arranged on a second high-precision sliding guide rail 32 with a servo motor, the second servo motor and a second lead screw are arranged on the second high-precision sliding guide rail 32 and used for controlling the position of the xenon arc lamp group 5, and the xenon arc lamp group 5 can provide different illumination intensities and is used for simulating various types of ambient light;
the gas source 6 can provide gas media with different densities;
the thermo-hygrostat 10 is used to regulate the temperature and humidity of the medium in the sealed container 13.
The data acquisition device comprises: a distance measuring element 11 for measuring a distance between the calibration plate 1 mounted on the first high-precision slide rail 31 and the residual ice detecting system 4; an angle sensor 12 for measuring an angle of the calibration plate 1 with respect to a horizontal direction; a temperature sensor 9, a humidity sensor 7 and a pressure sensor 8 for measuring the temperature, humidity and pressure of the gaseous medium in the sealed container 13.
Example 4
As shown in fig. 9, an embodiment of the present invention provides a calibration method for an aircraft residual ice detection system under multi-environment-factor coupling, where the calibration of the aircraft residual ice detection system is implemented based on the calibration device for the aircraft residual ice detection system, and the method mainly includes the following steps:
s101, setting environment parameters required by the experiment: the method comprises the steps of measuring the temperature, the humidity, the pressure, the ambient light intensity in a sealed container 13, and the distance and the angle between a calibration plate 1 and an infrared light source in an airplane residual ice detection system 4;
s102, starting the residual ice detection system 4, detecting residual ice on the calibration plate 1, and uploading a residual ice detection value and data obtained by measurement of the humidity sensor 7, the pressure sensor 8, the temperature sensor 9, the distance measurement sensor 11 and the angle sensor 12 to the computer data control processing unit 14;
s103, adjusting environmental parameters to carry out multiple experiments to obtain sufficient data sets; and analyzing by applying a multiple regression algorithm based on the acquired data set, screening out an influence factor set of the aircraft residual ice detection system and obtaining an error compensation amount of the aircraft residual ice detection system.
Example 5
Based on the method for calibrating the aircraft residual ice detection system under multi-environment-factor coupling described in embodiment 4, further, in step S103, based on a data-driven multiple regression algorithm, multiple regression analysis is performed with a residual ice thickness detection error (a difference between a true value of the residual ice thickness and a measured value of the residual ice detection system) as a dependent variable and multiple influence factors as independent variables, and first an influence factor set of the aircraft residual ice detection system is screened out to exclude parameters irrelevant to the residual ice detection system. And fitting based on a large number of data sets obtained by experiments to obtain the error compensation quantity of the aircraft residual ice detection system.
In the above embodiments, the description of each embodiment has its own emphasis, and reference may be made to the related description of other embodiments for parts that are not described or recited in any embodiment.
For the information interaction, execution process and other contents between the above-mentioned devices/units, because the embodiments of the method of the present invention are based on the same concept, the specific functions and technical effects thereof can be referred to the method embodiments specifically, and are not described herein again.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present invention. The specific working processes of the units and modules in the system may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
2. The application example is as follows:
an embodiment of the present invention further provides a computer device, where the computer device includes: at least one processor, a memory, and a computer program stored in the memory and executable on the at least one processor, the processor implementing the steps of any of the various method embodiments described above when executing the computer program.
Embodiments of the present invention further provide a computer-readable storage medium, where a computer program is stored, and when the computer program is executed by a processor, the steps in the above method embodiments may be implemented.
The embodiment of the present invention further provides an information data processing terminal, where the information data processing terminal is configured to provide a user input interface to implement the steps in the above method embodiments when implemented on an electronic device, and the information data processing terminal is not limited to a mobile phone, a computer, or a switch.
Embodiments of the present invention further provide a server, where the server is configured to provide a user input interface to implement the steps in the foregoing method embodiments when implemented on an electronic device.
Embodiments of the present invention provide a computer program product, which, when running on an electronic device, enables the electronic device to implement the steps in the above method embodiments when executed.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may be implemented by a computer program, which may be stored in a computer-readable storage medium and used for instructing related hardware to implement the steps of the embodiments of the method according to the embodiments of the present invention. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer readable medium may include at least: any entity or device capable of carrying computer program code to a photographing apparatus/terminal device, a recording medium, computer memory, read-only memory (ROM), random Access Memory (RAM), electrical carrier signal, telecommunications signal and software distribution medium. Such as a usb-disk, a removable hard disk, a magnetic or optical disk, etc.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention, and the scope of the present invention should not be limited thereto, and any modifications, equivalents and improvements made by those skilled in the art within the technical scope of the present invention as disclosed in the present invention should be covered thereby.
Claims (10)
1. The utility model provides an aircraft remaining ice detecting system calibrating device under coupling of many environmental factors which characterized in that aircraft remaining ice detecting system calibrating device includes under coupling of many environmental factors:
the identification device is used for identifying the type of the fuselage skin material through the divided different regions, and dividing a plurality of ice subareas in different states on the divided different regions according to the type of residual ice;
the equipment state regulating and controlling device is used for carrying an environment control system, an identification device and a residual ice detection system (4) and is used for regulating the relative distance and the angle between the residual ice detection system (4), the identification device and the environment control system;
the residual ice detection system (4) is used for detecting residual ice information of a plurality of ice subareas in different states on the identification device;
the environment control system is used for simulating and providing multiple environment factors in the detection of the aircraft residual ice, and the multiple environment factors comprise: ambient light, ambient air, ambient temperature and humidity;
the data acquisition device is used for acquiring the angle between the identification device and the horizontal direction and the numerical value of the environmental influence factor provided by the environment control system;
and the computer data control processing unit (14) is in wireless connection with the data acquisition device and is used for analyzing and processing the data acquired by the data acquisition device.
2. The calibration device for the multi-environmental-factor-coupled aircraft residual ice detection system is characterized in that the identification device is provided with a calibration plate (1), and the calibration plate (1) is divided into a first aluminum alloy skin material area (111), a second aluminum alloy skin material area (112), a third aluminum alloy skin material area (113), a first composite material area (121), a second composite material area (122), a third composite material area (123), a first titanium alloy skin material area (131), a second titanium alloy skin material area (132) and a third titanium alloy skin material area (133) according to the type of the fuselage skin material;
each main area is divided into three sub-areas of frost ice, transparent ice and mixed ice according to the type of the residual ice, and each sub-area is respectively covered with typical coating layers of airplanes with different colors.
3. Calibration device for an aircraft ice debris detection system coupled with multiple environmental factors according to claim 1, characterized in that said device status control device comprises an adjustable stand (2);
the adjustable support (2) comprises a fine adjustment mechanism and a base connected with the first high-precision sliding guide rail (31), and the fine adjustment mechanism in the adjustable support (2) can adjust the height of the marking plate (1) in the marking device relative to the first high-precision sliding guide rail (31) and the angle between the marking plate and the horizontal plane.
4. The calibration device for the multi-environment-factor-coupled aircraft residual ice detection system according to claim 3, wherein the first high-precision slide guide rail (31) is provided with the residual ice detection system (4), and a first servo motor and a first lead screw which are arranged on the first high-precision slide guide rail (31) are used for controlling the distance between the calibration plate (1) and an infrared active light source in the residual ice detection system (4).
5. The calibration device for the multi-environment-factor-coupled aircraft ice detection system according to claim 1, wherein the device status control device further comprises a second high-precision sliding guide rail (32);
the environmental control system comprises:
the xenon arc lamp group (5) is arranged on the second high-precision sliding guide rail (32-, a second servo motor and a second lead screw are arranged on the second high-precision sliding guide rail (32) and used for controlling the position of the xenon arc lamp group (5), and the xenon arc lamp group (5) is used for providing different illumination intensities and simulating various types of ambient light;
the air source (6) is arranged on the side wall of the sealed container (13) and is provided with an air inlet and an air outlet;
the constant temperature and humidity machine (10) is installed behind the xenon arc lamp set (5), and a constant temperature and humidity air inlet and a constant temperature and humidity air outlet are formed in the side face of the constant temperature and humidity machine.
6. The calibration device for the multi-environment-factor-coupled aircraft ice debris detection system according to claim 1, wherein the data acquisition device comprises: the distance measuring element (11) is used for measuring the distance between the calibration plate (1) arranged on the first high-precision sliding guide rail (31) and the residual ice detection system (4);
the angle sensor (12) is used for measuring the angle between the calibration plate (1) and the horizontal direction;
the temperature sensor (9), the humidity sensor (7) and the pressure sensor (8) are used for measuring the temperature, the humidity and the pressure of the gas medium in the sealed container (13).
7. A calibration method for a multi-environment-factor-coupled aircraft residual ice detection system of a multi-environment-factor-coupled aircraft residual ice detection system calibration device according to any one of claims 1 to 6, wherein the calibration method for the multi-environment-factor-coupled aircraft residual ice detection system comprises the following steps:
s1, setting required environment parameters: the device comprises the temperature, the humidity, the pressure, the ambient light intensity, the distance between a calibration plate (1) and an infrared light source in an airplane residual ice detection system (4), and the angle of the temperature, the humidity and the pressure in a sealed container (13);
s2, detecting the residual ice on the calibration plate (1), and uploading the detected value of the residual ice and data obtained by measurement of the humidity sensor (7), the pressure sensor (8), the temperature sensor (9), the distance measuring sensor (11) and the angle sensor (12) to a computer data control processing unit (14);
s3, adjusting environmental parameters to obtain a data set; and analyzing by applying a multiple regression algorithm based on the acquired data set, screening out an influence factor set of the aircraft residual ice detection system (4) and obtaining an error compensation amount of the aircraft residual ice detection system (4).
8. The calibration method of the aircraft residual ice detection system under the coupling of multiple environmental factors according to claim 7, characterized in that in step S3, based on a data-driven multiple regression algorithm, the multiple regression analysis is performed by taking the residual ice thickness detection error as a dependent variable and multiple influence factors as independent variables, so as to screen out an influence factor set of the aircraft residual ice detection system (4) and exclude parameters irrelevant to the residual ice detection system (4); and fitting based on the obtained data set to obtain the error compensation quantity of the airplane residual ice detection system (4).
9. A computer-readable storage medium storing a computer program which, when executed by a processor, causes the processor to perform the multi-environmental factor coupled aircraft ice detection system calibration method of claim 8.
10. An aircraft residual ice detection robot carrying the calibration device for the aircraft residual ice detection system coupled by multiple environmental factors according to any one of claims 1 to 6.
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| CN202211679214.7A CN115839918A (en) | 2022-12-26 | 2022-12-26 | Calibration device and method for aircraft residual ice detection system, storage medium and robot |
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