CN113312793A - Distributed simulation verification system based on radar information processing - Google Patents
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Abstract
The invention belongs to the technical field of radar information processing, and discloses a distributed simulation verification system based on radar information processing. The system comprises a communication middleware, a Matlab simulation component framework, a C simulation component framework and a simulation verification platform; the communication middleware provides two versions of receiving and transmitting interfaces for the Matlab simulation component framework and the C simulation component framework to call respectively; sending radar simulation prototype data to a simulation verification platform by the Matlab simulation component framework; c, the simulation component framework sends data of the radar real-time component; the simulation verification platform locally caches data received by a plurality of frames; each frame is provided with frame number information and data information, and output results with the same frame number are compared. The invention can provide a multi-dimensional comparison mode of difference, logarithm and the like for the output results of two simulation component frameworks, can quickly check the multi-dimensional comparison effect, reduces the code compiling amount, is convenient for quickly positioning problems and improves the simulation verification efficiency.
Description
Technical Field
The invention belongs to the technical field of radar information processing, and particularly relates to a distributed simulation verification system based on radar information processing.
Background
With the continuous increase of the complexity of the embedded system, the engineering simulation and multidisciplinary software integration technology in the product development process is facing a new challenge. Since the research and development of complex systems require multiple simulation works, the synergy from different tools such as structure, environment, electromagnetism, etc. is often designed.
In the traditional radar information processing flow, a Matlab prototype component is written first, and then a C real-time component is written, so that the simulation verification of components of two languages is required. The traditional verification method is that the same initial file data is directly input, the two assemblies read the initial file data and process the initial file data and then output a result file, codes are written according to the two output result files to compare, and the input data needs to be frequently changed in the whole process. When the initial file data use cases are too many, the efficiency of the whole simulation verification process is low, the verification period is long, when two types of result data are found to be inconsistent, the code logic structures of two types of components need to be compared in detail, the simulation verification process is complex, and the difficulty is high.
Disclosure of Invention
The invention aims to provide a distributed simulation verification system based on radar information processing, which can provide multi-dimensional comparison modes such as difference, absolute value taking, logarithm taking, positive number taking, negative number taking and the like for output results of two simulation component frameworks, can quickly check the multi-dimensional comparison effect, reduces the code writing amount, is convenient for quickly positioning problems, and improves the simulation verification efficiency.
Specifically, the invention is realized by adopting the following technical scheme.
The invention provides a distributed simulation verification system based on radar information processing, which comprises a communication middleware, a Matlab simulation component framework, a C simulation component framework and a simulation verification platform, wherein the Matlab simulation component framework is connected with the C simulation component framework;
the communication middleware provides a data receiving interface and a data sending interface of two versions, and the data receiving interface and the data sending interface are packaged by using Java and C languages respectively; when the number receiving interface and the number sending interface are called, only two parameters of a domain name and a subject name are required to be transmitted; the Java edition number receiving interface and the number sending interface are used for the Matlab simulation component framework to call; the C edition number receiving interface and the number sending interface are called to the C simulation component framework;
the Matlab simulation component framework calls the Java edition number receiving interface and transmits a domain name and a number receiving subject name; calling a radar simulation prototype of matlab software according to the received data corresponding to the domain name and the income number subject name, and receiving an output result of the radar simulation prototype; checking the correctness of an output result returned by the radar simulation prototype, transmitting a domain name and a distribution subject name through a Java edition distribution interface, and sending output result data of the radar simulation prototype to the simulation verification platform;
the C-version number receiving interface is called by the C simulation component framework, and a domain name and a number receiving subject name are transmitted; calling a radar real-time component according to the received data corresponding to the domain name and the income number subject name, and receiving an output result of the radar real-time component; checking the correctness of an output result, transmitting a domain name and an issue subject name through a C edition issue interface, and transmitting output result data of the radar real-time component to the simulation verification platform;
the simulation verification platform calls a C edition number receiving interface of the communication middleware, receives data corresponding to the number sending subject names of the Matlab simulation component framework and the C simulation component framework, and caches the received data for a plurality of frames locally; each frame of data is provided with frame number information and data information; the frame number information describes the serial number of the frame, and output results with the same frame serial number can be compared.
Furthermore, the packaging by using Java and C languages means that Java edition receiving interface and sending interface, C edition receiving interface and sending interface of RTI DDS standard are packaged by using Java and C languages;
packing a Java edition number receiving interface and a Java edition number sending interface into a jar packet, and putting the jar packet under a local Matlab Java working path of the Matlab simulation component framework; the C edition number receiving interface and the number sending interface are compiled into a so dynamic library and put under the local item of the C simulation component framework.
Further, the simulation verification platform is realized by QT.
Further, the data information includes the length, the start position, X, Y of the three-dimensional data, and the dimension size of the frame data.
Furthermore, the simulation verification platform provides a data comparison page interface by calling a drawing component interface, and checks the frame numbers of the output data of the current two simulation component frames in the buffer area; and comparing the data according to the frame number.
Further, the data comparison method comprises providing a difference value, taking an absolute value, taking a logarithm, taking a positive number and taking a negative number.
Further, the drawing component interface is realized by calling a drawing interface of Matlab software; the simulation verification platform transmits data into Matlab through a drawing component interface, then calls a drawing interface of the Matlab, generates and stores the data into a picture, continuously loads the picture, continuously generates a new picture through the Matlab under a dynamic drawing type, and then loads the new picture onto the simulation verification platform to form an effect picture of dynamic change of the data comparison page.
The distributed simulation verification system based on radar information processing has the following beneficial effects:
the invention adopts two simulation component frameworks of Matlab and C language, calls the Matlab component through the Matlab simulation component framework, and calls the C component through the C simulation component framework, thereby realizing the quick positioning of the problem of the component code and reducing the complexity of the simulation verification process.
The invention adopts the standard RTI DDS communication middleware, and both the Matlab simulation component framework and the C simulation component framework adopt the communication middleware, thereby reducing the input and output of files in the traditional simulation mode, simplifying the whole simulation verification process and improving the verification efficiency.
According to the invention, a simulation verification platform is developed, output results of two simulation component frameworks, namely a Matlab simulation component framework and a C simulation component framework, are acquired into a memory of the simulation verification platform through a communication middleware, and multi-dimensional comparison modes such as difference, absolute value taking, logarithm taking, positive number taking, negative number taking and the like are provided, so that a multi-dimensional comparison effect can be rapidly checked, the code writing amount is reduced, the problem of rapid positioning is facilitated, and the simulation verification efficiency is improved.
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Fig. 1 is a schematic diagram of an operation mechanism of the simulation verification system according to the present embodiment.
Detailed Description
The present invention will be described in further detail with reference to the following examples and the accompanying drawings.
One embodiment of the invention is a distributed simulation verification system based on radar information processing. As shown in fig. 1, the distributed simulation verification system based on radar information processing includes a communication middleware, a Matlab simulation component framework, a C simulation component framework, and a simulation verification platform.
The communication middleware is a hardware platform based on RTI DDS standard release and subscription communication middleware, supports three instruction sets of X86, ARM and MIPS, provides two versions of receiving and sending interfaces, and is packaged into a Java version receiving and sending interface, a C version receiving and sending interface and a C version receiving and sending interface of RTI DDS standard by using Java and C languages respectively. The interface packaging process comprises the following steps:
(1) creating a domain;
(2) creating a publisher subscriber;
(3) creating a theme;
(4) number transmission/reception.
When a data receiving interface and a data sending interface of the communication middleware are called, only two parameters of a domain name and a subject name need to be introduced. Respectively packaging the two interfaces by using Java and C languages; then, packaging Java interfaces of the communication middleware into jar packets for being called by a Matlab simulation component framework; and compiling the C edition interface of the communication middleware into a so dynamic library to be called by the C simulation component framework.
And the Matlab simulation component framework puts the Java interface jar packet of the communication middleware under a local Matlab Java working path. The Matlab simulation component framework processing flow is as follows:
(1) transferring a Java edition number sending interface (namely jar packet), and transmitting a domain name and a number receiving subject name;
(2) receiving data, receiving an output result of a radar simulation prototype of matlab software;
(3) checking the correctness of the output result (namely whether the error is reported), transmitting the domain name and the issue subject name through a Java edition issue interface (namely a jar packet), and transmitting the output result data of the radar simulation prototype to the simulation verification platform.
The C simulation component framework puts the C version interface so dynamic library of the communication middleware under a local item. The framework processing flow of the C simulation component is as follows:
(1) calling a C edition collection interface (namely a so dynamic library) and transmitting a domain name and a collection subject name;
(2) receiving data, calling a radar real-time component, and receiving an output result of the radar real-time component;
(3) checking the correctness of the output result (namely whether the error is reported), transmitting the domain name and the issue topic name through a C edition issue interface (namely a dynamic library), and transmitting the output result data of the radar real-time component to the simulation verification platform;
the simulation verification platform is realized by adopting a cross-platform C + + graphical user interface application program QT, and a C edition interface so dynamic library of communication middleware is adopted as a data receiving interface. The method comprises the steps of inputting the issue subject names of the two frames (Matlab simulation component frame and C simulation component frame) in a simulation verification platform, receiving data corresponding to the issue subject names of the two frames by the simulation verification platform, and caching the received data in a local cache for 500 frames (the full buffer area can cover the old data). Preferably, the transmission frequency is 1 second/1 frame.
Besides the configuration of the data receiving, the simulation verification platform is provided with frame number information and data information of each received data frame. The frame number information describes the serial number of the frame, and output results with the same frame serial number can be compared; the data information includes information of the length of the data, the start position, X, Y of the three-dimensional data, the size of the dimension, and the like. The data information may extract the actual data to be compared from the output data.
After the input is finished, the simulation verification platform provides a data comparison page interface by calling a drawing component interface, and can check the frame numbers of the output data of the current two simulation component frames in the buffer area; the user can also select the frame number at will to compare the data; the comparison type comprises a difference curve (subtraction of two data), modulus and logarithm of single data and positive or negative digits of the single data; the drawing types are static (comparing only one frame of data), and dynamic (comparing data of the frame and all the subsequent frames). The drawing component interfaces are all realized by calling a drawing interface of Matlab software (Matlab engine is called through QT codes). The simulation verification platform transmits data into Matlab through a drawing component interface, then calls the drawing interface of the Matlab, generates and stores the data into a picture, continuously loads the picture on the simulation verification platform, continuously generates a new picture through the Matlab under a dynamic drawing type, and then loads the new picture on the simulation verification platform to form an effect picture of dynamic change on a data comparison page, so that the comparison condition of data can be continuously checked through multiple frames.
The distributed simulation verification system based on radar information processing has the following advantages:
the Matlab and C language simulation component frameworks are adopted, the Matlab component is called through the Matlab simulation component framework, and the C component is called through the C simulation component framework, so that the problem of component codes is quickly positioned, and the complexity of a simulation verification process is reduced.
The communication middleware is adopted for two simulation component frames, namely a standard RTI DDS communication middleware, a Matlab simulation component frame and a C simulation component frame, so that the input and output of files in the traditional simulation mode are reduced, the whole simulation verification process is simplified, and the verification efficiency is improved.
The simulation verification platform collects output results of two simulation component frameworks, namely a Matlab simulation component framework and a C simulation component framework, into a memory of the simulation verification platform through a communication middleware, provides multi-dimensional comparison modes such as difference, absolute value taking, logarithm taking, positive number taking, negative number taking and the like, can quickly check the multi-dimensional comparison effect, reduces the code writing amount, is convenient for quick positioning, and improves the simulation verification efficiency.
In some embodiments, certain aspects of the techniques described above may be implemented by one or more processors of a processing system executing software. The software includes one or more sets of executable instructions stored or otherwise tangibly embodied on a non-transitory computer-readable storage medium. The software may include instructions and certain data that, when executed by one or more processors, manipulate the one or more processors to perform one or more aspects of the techniques described above. The non-transitory computer-readable storage medium may include, for example, a magnetic or optical disk storage device, a solid state storage device such as flash memory, cache, Random Access Memory (RAM), etc., or other non-volatile memory device. Executable instructions stored on a non-transitory computer-readable storage medium may be in source code, assembly language code, object code, or other instruction format that is interpreted or otherwise executed by one or more processors.
A computer-readable storage medium may include any storage medium or combination of storage media that is accessible by a computer system during use to provide instructions and/or data to the computer system. Such storage media may include, but is not limited to, optical media (e.g., Compact Discs (CDs), Digital Versatile Discs (DVDs), blu-ray discs), magnetic media (e.g., floppy disks, tape, or magnetic hard drives), volatile memory (e.g., Random Access Memory (RAM) or cache), non-volatile memory (e.g., Read Only Memory (ROM) or flash memory), or micro-electromechanical systems (MEMS) -based storage media. The computer-readable storage medium can be embedded in a computing system (e.g., system RAM or ROM), fixedly attached to a computing system (e.g., a magnetic hard drive), removably attached to a computing system (e.g., an optical disk or Universal Serial Bus (USB) based flash memory), or coupled to a computer system via a wired or wireless network (e.g., Network Accessible Storage (NAS)).
Note that not all of the activities or elements in the general description above are required, that a portion of a particular activity or device may not be required, and that one or more further activities or included elements may be performed in addition to those described. Still further, the order in which the activities are listed need not be the order in which they are performed. Moreover, these concepts have been described with reference to specific embodiments. However, one of ordinary skill in the art appreciates that various modifications and changes can be made without departing from the scope of the present disclosure as set forth in the claims below. Accordingly, the specification and figures are to be regarded in an illustrative rather than a restrictive sense, and all such modifications are intended to be included within the scope of present disclosure.
Benefits, other advantages, and solutions to problems have been described above with regard to specific embodiments. However, the benefits, advantages, solutions to problems, and any feature(s) that may cause any benefit, advantage, or solution to occur or become more pronounced are not to be construed as a critical, required, or essential feature of any or all the claims in any or all respects. Moreover, the particular embodiments disclosed above are illustrative only, as the disclosed subject matter may be modified and practiced in different but equivalent manners apparent to those skilled in the art having the benefit of the teachings herein. No limitations are intended to the details of construction or design herein shown, other than as described in the claims below. It is therefore evident that the particular embodiments disclosed above may be altered or modified and all such variations are considered within the scope of the disclosed subject matter.
Claims (7)
1. A distributed simulation verification system based on radar information processing is characterized by comprising a communication middleware, a Matlab simulation component framework, a C simulation component framework and a simulation verification platform;
the communication middleware provides a data receiving interface and a data sending interface of two versions, and the data receiving interface and the data sending interface are packaged by using Java and C languages respectively; when the number receiving interface and the number sending interface are called, only two parameters of a domain name and a subject name are required to be transmitted; the Java edition number receiving interface and the number sending interface are used for the Matlab simulation component framework to call; the C edition number receiving interface and the number sending interface are called to the C simulation component framework;
the Matlab simulation component framework calls the Java edition number receiving interface and transmits a domain name and a number receiving subject name; calling a radar simulation prototype of matlab software according to the received data corresponding to the domain name and the income number subject name, and receiving an output result of the radar simulation prototype; checking the correctness of an output result returned by the radar simulation prototype, transmitting a domain name and a distribution subject name through a Java edition distribution interface, and sending output result data of the radar simulation prototype to the simulation verification platform;
the C-version number receiving interface is called by the C simulation component framework, and a domain name and a number receiving subject name are transmitted; calling a radar real-time component according to the received data corresponding to the domain name and the income number subject name, and receiving an output result of the radar real-time component; checking the correctness of an output result, transmitting a domain name and an issue subject name through a C edition issue interface, and transmitting output result data of the radar real-time component to the simulation verification platform;
the simulation verification platform calls a C edition number receiving interface of the communication middleware, receives data corresponding to the number sending subject names of the Matlab simulation component framework and the C simulation component framework, and caches the received data for a plurality of frames locally; each frame of data is provided with frame number information and data information; the frame number information describes the serial number of the frame, and output results with the same frame serial number can be compared.
2. The radar information processing-based distributed simulation verification system according to claim 1, wherein the packaging by using Java and C language means a Java edition receiving interface and sending interface, a C edition receiving interface and sending interface packaged into RTIDDS standard by using Java and C language;
packing a Java edition number receiving interface and a Java edition number sending interface into a jar packet, and putting the jar packet under a local Matlab Java working path of the Matlab simulation component framework; the C edition number receiving interface and the number sending interface are compiled into a so dynamic library and put under the local item of the C simulation component framework.
3. The radar information processing-based distributed simulation verification system according to claim 1, wherein the simulation verification platform is implemented using QT.
4. The radar-information-processing-based distributed simulation verification system according to claim 1, wherein the data information comprises a length, a starting position, X, Y of three-dimensional data and a dimension size of the data of the current frame.
5. The radar information processing-based distributed simulation verification system according to claim 1, wherein the simulation verification platform provides a data comparison page interface by calling a drawing component interface, and checks the frame numbers of the output data of the current two simulation component frames in the buffer area; and comparing the data according to the frame number.
6. The radar information processing-based distributed simulation verification system according to claim 5, wherein the data comparison comprises providing a difference value, taking an absolute value, taking a logarithm, taking a positive number, taking a negative number.
7. The radar-information-processing-based distributed simulation verification system according to claim 1, wherein the drawing component interface is implemented by calling a drawing interface of Matlab software; the simulation verification platform transmits data into Matlab through a drawing component interface, then calls a drawing interface of the Matlab, generates and stores the data into a picture, continuously loads the picture, continuously generates a new picture through the Matlab under a dynamic drawing type, and then loads the new picture onto the simulation verification platform to form an effect picture of dynamic change of the data comparison page.
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