CN111260908A - Infrared characteristic simulation system and method applicable to simulation model - Google Patents
Infrared characteristic simulation system and method applicable to simulation model Download PDFInfo
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Abstract
An infrared characteristic simulation system applicable to a simulation model comprises an industrial control computer, a thermal infrared image acquisition sensor, an industrial Ethernet field bus, a temperature control master station module, a temperature control slave station module, a battery module, an RS485 field bus, a USB-to-serial port cable, a surface-mounted temperature sensor and a temperature control heating film module; according to the thermal infrared characteristic image information of real military target objects or equipment external surfaces at different moments, extracting temperature data of corresponding key parts of the military target and automatically controlling the temperature parameters of a heating film module applied to the internal surface of a military decoy target model according to the temperature data, so that the decoy target model has thermal infrared characteristics which are in vivid consistency with the real target, a good decoy effect is formed, and the purposes of confusing and disturbing enemies by utilizing the decoy target model are achieved.
Description
Technical Field
The invention belongs to the technical field of simulation models, and particularly relates to an infrared characteristic simulation system and method applicable to a simulation model.
Background
In modern military wars, the discovery means that the warfare is destroyed, how to prevent enemy reconnaissance monitoring and accurate guidance capture by means of camouflage stealth, fake interference and the like is realized, so that the vitality of the own is saved, and the method is a hot spot of military competition research of all countries. The good fake-showing camouflage is fully shown in the high-technology local wars in China and abroad, particularly in recent years, can fully induce, disperse and attract the attention and fire striking of enemies, improve the military operational efficiency of the own party at a lower cost and achieve the purposes of protecting the real military target safety of the own party and consuming the enemy operational resources.
In recent years, with the development of new materials, simulation, precision machining, and other technologies, various types of false targets or simulation models have been developed. Although the appearance structure of the false target models can be realistically reproduced, the thermal infrared radiation characteristics, radar reflection characteristics and other photoelectric characteristic information of the false target models are obviously different from those of real targets due to the difference between the materials, the internal structures and other aspects of the false target models and the real targets. Therefore, under the background that thermal infrared imaging and Synthetic Aperture Radar (SAR) imaging reconnaissance are already common means for military reconnaissance, the fake target model hides the fake target model and puzzles enemies only by pursuing the similarity between the outline and the visible light band, and is increasingly difficult to adapt to the fake target requirement of modern war.
Radar features of false targets generally achieve similar effects to real targets through shape structure and material properties. However, the target infrared characteristics in the real environment are closely related to self thermal characteristics (material characteristics, internal heat source), environmental factors (temperature and humidity, external heat radiation), atmospheric transmission characteristics and the like, and the infrared characteristics with special spatial distribution and radiation temperature are formed in a heat conduction, convection and radiation mode within a certain time. Therefore, a system and a method which can be applied to simulation model infrared feature simulation of a false target are urgently needed to meet the requirement of modern military infrared false-proof.
Disclosure of Invention
The invention aims to provide an infrared characteristic simulation system and method applicable to a simulation model, which can extract temperature data of corresponding key parts of a military target according to thermal infrared characteristic image information of a real military target object or an external surface of equipment at different moments, and automatically control temperature parameters of a heating film module attached to the internal surface of a false target model according to the temperature data, so that the battlefield false target model has the same thermal infrared characteristic radiation information as the real military target, thereby achieving the purposes of utilizing the confusion of the false target model, interfering the judgment capability of enemies and preventing the enemy from striking and damaging.
The technical scheme of the invention is realized as follows: an infrared characteristic simulation system applicable to a simulation model comprises an industrial control computer, a thermal infrared image acquisition sensor, an industrial Ethernet field bus, a temperature control master station module, a temperature control slave station module, a battery module, an RS485 field bus, a USB-to-serial port cable, a surface-mounted temperature sensor and a temperature control heating film module; the industrial control computer is connected with a plurality of angle thermal infrared image acquisition sensors through an industrial Ethernet field bus and is used for acquiring thermal infrared characteristic image information of a real target; the temperature control master station module is connected with the industrial control computer through a USB-to-serial port cable, solidifies and stores temperature data sent by the industrial control computer, and performs data interaction with the plurality of temperature control slave station modules through an RS485 field bus, and the protocol of master-slave communication follows the standard Modbus RTU protocol; each temperature control slave station module is respectively connected with a temperature control heating film module which is pasted at the center of the inner surface of the false target model to control the false target model to generate heat, and the battery module provides electric energy for each temperature control heating film module; the surface-mounted temperature sensors are positioned on the temperature control heating film modules, detect in real time and feed temperature information back to the temperature control slave station modules.
Furthermore, the temperature control master station module comprises a single chip microcomputer, a +12V voltage-stabilized power supply, an RS485 bus driver, an RTC real-time clock module, a USB serial port conversion module, a TF card data storage module and an LED status indicator lamp module, wherein the single chip microcomputer is respectively connected with the +12V voltage-stabilized power supply, the RS485 bus driver, the RTC real-time clock module, the USB serial port conversion module, the TF card data storage module and the LED status indicator lamp module, and receives a time-temperature data table sent by an industrial control computer and stores the time-temperature data table to the TF card module; the RTC real-time clock module runs ceaselessly to enable the single chip microcomputer to obtain standard time; the single chip microcomputer provides electric energy through a +12V voltage-stabilized power supply, programs are programmed through a USB-to-serial port module, the single chip microcomputer is connected with an RS485 field bus through an RS485 bus driver, and the state of the single chip microcomputer is indicated through an LED state indicator lamp module.
Furthermore, the temperature control slave station module comprises a single chip microcomputer, a +12V voltage-stabilized power supply, an RS485 bus driver, a high-precision surface-mounted temperature sensor, a high-current magnetic latching relay and an LED state indicating lamp, wherein the single chip microcomputer is respectively connected with the +12V voltage-stabilized power supply, the RS485 bus driver, the high-precision surface-mounted temperature sensor, the high-current magnetic latching relay and the LED state indicating lamp; the single chip microcomputer provides electric energy through a +12V voltage-stabilized power supply and is connected with an RS485 field bus through an RS485 bus driver, and the single chip microcomputer controls the contact of the high-current magnetic latching relay to be attracted and disconnected; the high-precision surface-mounted temperature sensors are positioned in the temperature control heating film modules and used for measuring temperature data at the center of the surface of the heating film and feeding the temperature information back to the temperature control slave station modules to realize closed-loop temperature control on the heating film; the single chip microcomputer indicates the state of the single chip microcomputer through the LED state indicating lamp module.
The simulation method adopting the system comprises the following steps:
s1: firstly, an industrial control computer acquires thermal infrared characteristic image information of an external surface of a real military target in normal working states in different seasons and different date periods by utilizing a plurality of angle infrared imaging sensors connected by an industrial Ethernet field bus;
s2: analyzing and processing the obtained target infrared image information by using target photoelectric characteristic processing software in an industrial control computer, extracting temperature data statistical values at each key position on the external surface of the target, and generating a temperature data table with date-time marks;
s3: writing the temperature data table obtained in the step S2) into a temperature control master station module through a serial communication port of an industrial control computer and storing the temperature data table;
s4: the temperature control master station module compares the real-time provided by the RTC real-time clock module with the date-time parameter of the time-temperature data table to form a message of the current time target temperature parameter issued by the temperature control slave station module;
s5: the temperature control slave station module measures temperature data at the center of the surface of the heating film in real time through the high-precision surface-mounted temperature sensor, compares and judges the current surface temperature and the target temperature, and controls the heating quantity of the heating film module by controlling the on-off state of the large-current magnetic latching relay so as to maintain the heating film module at the set target temperature;
s6: each heating film module forms preset thermal characteristics according to different set temperatures, and automatically changes along with time information such as seasonal time intervals and the like, so that the false-display simulation model can achieve the simulation effect that the self thermal infrared characteristics are approximately consistent with real targets.
Further, the target photoelectric characteristic processing software in the step S2) is used for target background infrared image data processing and feature analysis, including infrared image data reading, temperature calibration, region selection and statistics, and feature extraction analysis, and the software is used for performing statistical analysis on a target infrared data set to obtain typical infrared feature information of a target in a certain type of background in different seasons and time periods; the temperature calibration refers to converting the gray value of an image into temperature data; the area selection and statistics refers to frame selection or self-defined selection of an analysis area, and infrared characteristics in the area are counted, wherein the infrared characteristics comprise temperature average value, variance and histogram distribution; the characteristic extraction analysis is to extract a high-temperature area in the target infrared image to obtain characteristic information such as shape, temperature and the like.
Furthermore, the temperature control master station module can solidify and store temperature data sent by the industrial control computer, and automatically send temperature parameters to each temperature control slave station module according to the RTC real-time clock function of the temperature control master station module, and each temperature control slave station module automatically controls the heating film module pasted on the inner surface of the fake target model to generate heat according to the received target temperature information, so that the thermal infrared radiation characteristic information of the fake target model is the same as that of a real target, the fake target model has more vivid thermal infrared radiation characteristics, and is more confusing and capable of confusing infrared imaging detection equipment of an enemy.
Furthermore, the USB-to-serial port module of the temperature control master station module can also be set in nodes of different dates and times, namely four seasons: spring, summer, autumn, winter, within one day: the temperature data of typical time periods of morning, noon, evening and night show the temperature parameters of the fake target model at different surface positions, thereby realizing the function of automatic temperature control and achieving the purpose of showing that the thermal infrared characteristic information of the fake target model is the same as that of a real target.
Compared with the prior art, the invention has the beneficial effects that:
1) the protocol of master-slave communication of the temperature control master station module and the temperature control slave station module follows the standard ModbusRTU protocol, so that the communication is simpler and more efficient;
2) each temperature control slave station module can control the heating film unit module to heat according to the received target temperature parameters, so that automatic temperature control of each temperature control node of the false target model is realized, and the purposes of unattended operation and operation of the false target model are achieved;
3) the temperature control slave station module realizes closed-loop control of temperature parameters for the heating film module which is attached to the inner surface of the false target model, and has the function of over-temperature protection; the temperature control slave station module can also measure the temperature data of the surface of the corresponding heating film module in real time so as to realize closed-loop control of temperature parameters, and the temperature control function is more accurate and stable;
4) the method can be used for forming the false target thermal infrared characteristic active simulation and the false camouflage inside the false target model of military equipment such as land vehicles, offshore ships, underwater submarines, and flying planes according to the occasions of the automatic thermal infrared characteristic information active simulation and the false camouflage application of different false target models, so that the infrared false representation of the false target or the simulation model is more reliable and vivid;
5) the system has the characteristics of low cost, high reliability, simplicity and convenience in use and maintenance and the like, can be used in the interiors of a plurality of military simulation model targets and fake target models, and can also be expanded and applied to infrared characteristic simulation of engineering facilities such as position mouths, building activity areas and the like to form a system for active simulation and camouflage based on thermal infrared characteristic information.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without unique creative efforts.
FIG. 1 is a schematic diagram of the overall structure of the simulation system of the present invention;
FIG. 2 is a principal workflow diagram of the simulation system of the present invention;
FIG. 3 is a block diagram of the temperature control master station module of the present invention;
FIG. 4 is a block diagram of the temperature controlled slave module of the present invention;
FIG. 5 is a schematic diagram of the communication connection between the master temperature control station module and each of the slave temperature control station modules according to the present invention;
FIG. 6 is a schematic diagram showing a positional relationship between a surface-mount temperature sensor and a heating film module according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
as shown in fig. 1-6, an infrared characteristic simulation system applicable to a simulation model includes an industrial control computer, a thermal infrared image acquisition sensor, an industrial ethernet field bus, a temperature control master station module, a temperature control slave station module, a battery module, an RS485 field bus, a USB to serial port cable, a surface-mounted temperature sensor, and a temperature control heating film module; the industrial control computer is connected with a plurality of angle thermal infrared image acquisition sensors through an industrial Ethernet field bus and is used for acquiring thermal infrared characteristic image information of a real target; the temperature control master station module is connected with the industrial control computer through a USB-to-serial port cable, solidifies and stores temperature data sent by the industrial control computer, and performs data interaction with the plurality of temperature control slave station modules through an RS485 field bus, and the protocol of master-slave communication follows the standard Modbus RTU protocol; each temperature control slave station module is respectively connected with a temperature control heating film module which is pasted at the center of the inner surface of the false target model to control the false target model to generate heat, and the battery module provides electric energy for each temperature control heating film module; the surface-mounted temperature sensors are positioned on the temperature control heating film modules, detect in real time and feed temperature information back to the temperature control slave station modules.
The temperature control master station module comprises a single chip microcomputer, a +12V voltage-stabilized power supply, an RS485 bus driver, an RTC real-time clock module, a USB (universal serial bus) to serial port module, a TF (TransFlash) card data storage module and an LED (light-emitting diode) state indicator lamp module, the single chip microcomputer is respectively connected with the +12V voltage-stabilized power supply, the RS485 bus driver, the RTC real-time clock module, the USB to serial port module, the TF card data storage module and the LED state indicator lamp module, and the single chip microcomputer receives a time-temperature data table sent by an industrial control computer and stores; the RTC real-time clock module runs ceaselessly to enable the single chip microcomputer to obtain standard time; the single chip microcomputer provides electric energy through a +12V voltage-stabilized power supply, programs are programmed through a USB-to-serial port module, the single chip microcomputer is connected with an RS485 field bus through an RS485 bus driver, and the state of the single chip microcomputer is indicated through an LED state indicator lamp module.
The working process of the temperature control master station module is mainly divided into the following steps:
e1: the temperature control master station module receives a time-temperature data table issued by the industrial control computer and stores the time-temperature data table to the TF card module;
e2: the RTC real-time clock module of the temperature control master station module runs continuously, and the master station program obtains standard time;
e3: the temperature control master station module traverses time node parameters in the detection time-temperature data table;
e4: when the time of the real-time clock detected by traversal of the temperature control master station module is the same as the time parameter in the time-temperature data table, executing E5 downwards, otherwise executing E2 and E3;
e5: and the temperature control master station module issues Modbus RTU standard messages corresponding to the time node parameters for each temperature control slave station module through an RS485 communication bus to realize the automatic updating and control of the target temperature parameters of different temperature control slave station modules.
The temperature control slave station module comprises a single chip microcomputer, a +12V voltage-stabilized power supply, an RS485 bus driver, a high-precision surface-mounted temperature sensor, a high-current magnetic latching relay and an LED state indicating lamp, wherein the single chip microcomputer is respectively connected with the +12V voltage-stabilized power supply, the RS485 bus driver, the high-precision surface-mounted temperature sensor, the high-current magnetic latching relay and the LED state indicating lamp; the single chip microcomputer provides electric energy through a +12V voltage-stabilized power supply and is connected with an RS485 field bus through an RS485 bus driver, and the single chip microcomputer controls the contact of the high-current magnetic latching relay to be attracted and disconnected; the high-precision surface-mounted temperature sensors are positioned in the temperature control heating film modules and used for measuring temperature data at the center of the surface of the heating film and feeding the temperature information back to the temperature control slave station modules to realize closed-loop temperature control on the heating film; the single chip microcomputer indicates the state of the single chip microcomputer through the LED state indicating lamp module.
The working process of the temperature control slave station module comprises the following steps:
f1: the temperature control master station module issues Modbus RTU temperature control messages to each temperature control slave station module according to the ergodic detected time node parameters;
f2: each temperature control slave station module receives the temperature control message and then analyzes the message data frame according to the station number of the temperature control message to obtain the target temperature parameter of the temperature control slave station module;
f3: the temperature control slave station module controls the contact of the large-current magnetic latching relay to be closed and opened according to the obtained target temperature parameter, the relay contact is closed when the temperature control slave station module detects that the current temperature is lower than the target temperature parameter, and the relay contact is opened when the temperature control slave station module detects that the current temperature is higher than or equal to the target temperature parameter, so that the heating film module which is attached to the inner surface of the false target model is controlled by each temperature control slave station module to generate heat, and the purposes of automatic temperature control and infrared characteristic simulation of the false target are achieved.
The simulation method adopting the system comprises the following steps:
s1: firstly, an industrial control computer acquires thermal infrared characteristic image information of an external surface of a real military target in normal working states in different seasons and different date periods by utilizing a plurality of angle infrared imaging sensors connected by an industrial Ethernet field bus;
s2: analyzing and processing the obtained target infrared image information by using target photoelectric characteristic processing software in an industrial control computer, extracting temperature data statistical values at each key position on the external surface of the target, and generating a temperature data table with date-time marks;
s3: writing the temperature data table obtained in the step S2) into a temperature control master station module through a serial communication port of an industrial control computer and storing the temperature data table;
s4: the temperature control master station module compares the real-time provided by the RTC real-time clock module with the date-time parameter of the time-temperature data table to form a message of the current time target temperature parameter issued by the temperature control slave station module;
s5: the temperature control slave station module measures temperature data at the center of the surface of the heating film in real time through the high-precision surface-mounted temperature sensor, compares and judges the current surface temperature and the target temperature, and controls the heating quantity of the heating film module by controlling the on-off state of the large-current magnetic latching relay so as to maintain the heating film module at the set target temperature;
s6: each heating film module forms preset thermal characteristics according to different set temperatures and automatically changes along with time information such as seasonal time intervals, and therefore the false-display simulation model can achieve the simulation effect that the self thermal infrared characteristics are approximately consistent with real targets.
The target photoelectric characteristic processing software in the step S2) is used for target background infrared image data processing and characteristic analysis, including infrared image data reading, temperature calibration, region selection and statistics, and characteristic extraction analysis, and the software is used for performing statistical analysis on a target infrared data set to obtain typical infrared characteristic information of a target in a certain type of background in different seasons and time periods; the temperature calibration refers to converting the gray value of an image into temperature data; the area selection and statistics refers to frame selection or self-defined selection of an analysis area, and infrared characteristics in the area are counted, wherein the infrared characteristics comprise temperature average value, variance and histogram distribution; the characteristic extraction analysis is to extract a high-temperature area in the target infrared image to obtain characteristic information such as shape, temperature and the like.
The temperature control master station module can solidify and store temperature data issued by an industrial control computer, temperature parameters are automatically issued to the temperature control slave station modules according to the RTC real-time clock function of the temperature control master station module, the temperature control slave station modules automatically control heating film modules pasted on the inner surfaces of the fake target models to generate heat according to received target temperature information, and therefore the thermal infrared radiation characteristic information of the fake target models is the same as that of real targets, the fake target models have more vivid thermal infrared radiation characteristics, and the fake target models are more confusing and capable of confusing infrared imaging detection equipment of enemies.
USB through temperature control main website module changes in the serial port module also can set for different date time nodes, the four seasons promptly: spring, summer, autumn, winter, within one day: the temperature data of typical time periods of morning, noon, evening and night show the temperature parameters of the fake target model at different surface positions, thereby realizing the function of automatic temperature control and achieving the purpose of showing that the thermal infrared characteristic information of the fake target model is the same as that of a real target.
The system can automatically control each corresponding heating film module to generate heat according to the obtained date-time-temperature data table shown in the table 1, and the main function of the temperature control master station module is to issue corresponding Modbus RTU standard messages for each temperature control slave station module according to preset date-time nodes (the date-time format is year-month-day: minutes: seconds, and the temperature control time is accurate to minutes, shown in the table 1) to realize the automatic updating and control of target temperature parameters of different temperature control slave station module nodes.
Table 1: target temperature parameter of different time temperature control slave station module
When the military temperature control system is used, the industrial control computer extracts temperature data at key position points on the surface of a military target and forms formatted text data according to real target surface infrared characteristic information under a normal working state acquired from the infrared imaging sensor, and the text data is transmitted to the temperature control master station module through a serial communication port of the industrial control computer; the temperature control master station module has the function of an RTC real-time clock, target temperature data can be issued to each temperature control slave station module distributed on the inner surface of the fake target model in different date and time nodes, the temperature control slave station module measures the surface temperature of the heating film in real time, the current temperature is compared and judged with the target temperature, and the surface temperature control of the heating film is realized by controlling the upper and lower switch states of the high-current magnetic latching relay, so that the effect that the thermal infrared characteristic information of the fake target model is as vivid as a real target is achieved, and the purpose of reliably and vividly showing fake is achieved.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. An infrared characteristic simulation system applicable to a simulation model is characterized in that: the system comprises an industrial control computer, a thermal infrared image acquisition sensor, an industrial Ethernet field bus, a temperature control master station module, a temperature control slave station module, a battery module, an RS485 field bus, a USB-to-serial port cable, a surface-mounted temperature sensor and a temperature control heating film module;
the industrial control computer is connected with a plurality of angle thermal infrared image acquisition sensors through an industrial Ethernet field bus and is used for acquiring thermal infrared characteristic image information of a real target;
the temperature control master station module is connected with the industrial control computer through a USB-to-serial port cable, solidifies and stores temperature data sent by the industrial control computer, and performs data interaction with the plurality of temperature control slave station modules through an RS485 field bus, and the protocol of master-slave communication follows the standard Modbus RTU protocol;
each temperature control slave station module is respectively connected with a temperature control heating film module which is pasted at the center of the inner surface of the false target model to control the false target model to generate heat, and the battery module provides electric energy for each temperature control heating film module;
the surface-mounted temperature sensors are positioned on the temperature control heating film modules, detect in real time and feed temperature information back to the temperature control slave station modules.
2. The infrared feature simulation system applicable to simulation models according to claim 1, wherein: the temperature control master station module comprises a single chip microcomputer, a +12V voltage-stabilized power supply, an RS485 bus driver, an RTC real-time clock module, a USB (universal serial bus) to serial port module, a TF (TransFlash) card data storage module and an LED (light-emitting diode) state indicator lamp module, the single chip microcomputer is respectively connected with the +12V voltage-stabilized power supply, the RS485 bus driver, the RTC real-time clock module, the USB to serial port module, the TF card data storage module and the LED state indicator lamp module, and the single chip microcomputer receives a time-temperature data table sent by an industrial control computer and stores; the RTC real-time clock module runs ceaselessly to enable the single chip microcomputer to obtain standard time; the single chip microcomputer provides electric energy through a +12V voltage-stabilized power supply, programs are programmed through a USB-to-serial port module, the single chip microcomputer is connected with an RS485 field bus through an RS485 bus driver, and the state of the single chip microcomputer is indicated through an LED state indicator lamp module.
3. The infrared feature simulation system applicable to simulation models according to claim 1, wherein: the temperature control slave station module comprises a single chip microcomputer, a +12V voltage-stabilized power supply, an RS485 bus driver, a high-precision surface-mounted temperature sensor, a high-current magnetic latching relay and an LED state indicating lamp, wherein the single chip microcomputer is respectively connected with the +12V voltage-stabilized power supply, the RS485 bus driver, the high-precision surface-mounted temperature sensor, the high-current magnetic latching relay and the LED state indicating lamp; the single chip microcomputer provides electric energy through a +12V voltage-stabilized power supply and is connected with an RS485 field bus through an RS485 bus driver, and the single chip microcomputer controls the contact of the high-current magnetic latching relay to be attracted and disconnected; the high-precision surface-mounted temperature sensors are positioned in the temperature control heating film modules and used for measuring temperature data at the center of the surface of the heating film and feeding the temperature information back to the temperature control slave station modules to realize closed-loop temperature control on the heating film; the single chip microcomputer indicates the state of the single chip microcomputer through the LED state indicating lamp module.
4. A simulation method of an infrared characteristic simulation system applicable to a simulation model is characterized in that: the method comprises the following steps:
s1: firstly, an industrial control computer acquires thermal infrared characteristic image information of an external surface of a real military target in normal working states in different seasons and different date periods by utilizing a plurality of angle infrared imaging sensors connected by an industrial Ethernet field bus;
s2: analyzing and processing the obtained target infrared image information by using target photoelectric characteristic processing software in an industrial control computer, extracting temperature data statistical values at each key position on the external surface of the target, and generating a temperature data table with date-time marks;
s3: writing the temperature data table obtained in the step S2) into a temperature control master station module through a serial communication port of an industrial control computer and storing the temperature data table;
s4: the temperature control master station module compares the real-time provided by the RTC real-time clock module with the date-time parameter of the time-temperature data table to form a message of the current time target temperature parameter issued by the temperature control slave station module;
s5: the temperature control slave station module measures temperature data at the center of the surface of the heating film in real time through the high-precision surface-mounted temperature sensor, compares and judges the current surface temperature and the target temperature, and controls the heating quantity of the heating film module by controlling the on-off state of the large-current magnetic latching relay so as to maintain the heating film module at the set target temperature;
s6: each heating film module forms preset thermal characteristics according to different set temperatures and automatically changes along with time information such as seasonal time intervals, and therefore the false-display simulation model can achieve the simulation effect that the self thermal infrared characteristics are approximately consistent with real targets.
5. The simulation method of the infrared characteristic simulation system applicable to the simulation model according to claim 4, wherein: the target photoelectric characteristic processing software in the step S2) is used for target background infrared image data processing and characteristic analysis, including infrared image data reading, temperature calibration, region selection and statistics, and characteristic extraction analysis, and the software is used for performing statistical analysis on a target infrared data set to obtain typical infrared characteristic information of a target in a certain type of background in different seasons and time periods; the temperature calibration refers to converting the gray value of an image into temperature data; the area selection and statistics refers to frame selection or self-defined selection of an analysis area, and infrared characteristics in the area are counted, wherein the infrared characteristics comprise temperature average value, variance and histogram distribution; the characteristic extraction analysis is to extract a high-temperature area in the target infrared image to obtain characteristic information such as shape, temperature and the like.
6. The simulation method of the infrared characteristic simulation system applicable to the simulation model according to claim 4, wherein: the temperature control master station module can solidify and store temperature data issued by an industrial control computer, temperature parameters are automatically issued to the temperature control slave station modules according to the RTC real-time clock function of the temperature control master station module, the temperature control slave station modules automatically control heating film modules pasted on the inner surfaces of the fake target models to generate heat according to received target temperature information, and therefore thermal infrared radiation characteristic information of the fake target models is the same as that of real targets, the fake target models have more vivid thermal infrared radiation characteristics, and the fake target models are more confusing and capable of confusing infrared imaging detection equipment of enemies.
7. The simulation method of the infrared characteristic simulation system applicable to the simulation model according to claim 4, wherein: USB through temperature control main website module changes in the serial port module also can set for different date time nodes, the four seasons promptly: spring, summer, autumn, winter, within one day: the temperature data of typical time periods of morning, noon, evening and night show the temperature parameters of the fake target model at different surface positions, thereby realizing the function of automatic temperature control and achieving the purpose of showing that the thermal infrared characteristic information of the fake target model is the same as that of a real target.
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| CN113091920A (en) * | 2021-04-14 | 2021-07-09 | 承德石油高等专科学校 | Infrared electronic simulation target system and control method thereof |
| CN114153247A (en) * | 2021-10-14 | 2022-03-08 | 西安现代控制技术研究所 | Low-cost non-contact constant temperature difference control system |
| RU2798448C1 (en) * | 2022-12-08 | 2023-06-22 | Федеральное государственное бюджетное учреждение "Центральный научно-исследовательский испытательный институт инженерных войск имени Героя Советского Союза генерал-лейтенанта инженерных войск Д.М. Карбышева" Министерства обороны Российской Федерации | Complex simulation mask |
| CN116718277A (en) * | 2023-06-06 | 2023-09-08 | 中国人民解放军92493部队试验训练总体研究所 | Island shore environment infrared target characteristic simulation method |
| CN117131653A (en) * | 2023-06-09 | 2023-11-28 | 中国人民解放军92493部队试验训练总体研究所 | Island shore environment radar target reflection characteristic simulation method and system |
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