CN116300523A - Semi-physical simulation LVDS remote real-time acquisition method and system based on Ethernet - Google Patents
Semi-physical simulation LVDS remote real-time acquisition method and system based on Ethernet Download PDFInfo
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- CN116300523A CN116300523A CN202310155467.2A CN202310155467A CN116300523A CN 116300523 A CN116300523 A CN 116300523A CN 202310155467 A CN202310155467 A CN 202310155467A CN 116300523 A CN116300523 A CN 116300523A
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Abstract
The invention provides a semi-physical simulation LVDS remote real-time acquisition method and system based on Ethernet. The LVDS data real-time link is formed through the collection of the far-end LVDS, the cable bridging and the local downloading, and the simulation LVDS data is acquired and analyzed in real time according to the test requirement. The invention solves the problem that the existing semi-physical simulation acquisition of LVDS data needs to frequently lift the simulation turntable up and down. The invention realizes the remote acquisition of the semi-physical simulation LVDS data by using an Ethernet bridging mode, can download the data in real time, solves the problem of difficult acquisition of the LVDS data, and can be applied to the environment of a general laboratory; the invention solves the problem that the existing semi-physical simulation acquisition of LVDS data needs to frequently lift the simulation turntable up and down.
Description
Technical Field
The invention relates to the technical field of semi-physical simulation tests, in particular to a semi-physical simulation LVDS remote real-time acquisition method and system based on Ethernet.
Background
The low voltage differential signaling LVDS is a current standard for image data output of missile-borne equipment. In semi-physical simulation application, image data output by LVDS of the missile-borne equipment needs to be collected. Because LVDS signals can only meet short-distance transmission generally and are limited by transmission bandwidth, LVDS signals cannot be transmitted through the simulation turntable conductive slip ring, acquisition equipment of LVDS signals and a data source are generally fixed on the simulation turntable together, and a control command is sent to the LVDS acquisition equipment through a serial port, so that the control of the LVDS acquisition equipment is realized. One outstanding problem of this approach is that data cannot be acquired in real time, and the acquired data needs to pass through the USB module of the LVDS signal acquisition device, so that the simulation turntable often needs to be lifted frequently, and it is difficult to meet the requirement of efficient collection of semi-physical simulation LVDS data.
The patent document with the publication number of CN106533878A discloses an ultrashort wave simulation radio station based on semi-physical simulation and an implementation method thereof, wherein the ultrashort wave simulation radio station comprises a semi-physical radio station and a PC software terminal, an IP network, the semi-physical radio station is connected with the PC software terminal through a serial port, and the PC software terminal is connected to the IP network through a computer port; the IP network is constructed into a star-shaped interactive Ethernet; the PC software terminal comprises a lower computer data processing module, a logic judging module and an audio processing module.
For the above related art, the inventor believes that the related art cannot acquire data in real time, which results in low efficiency of data acquisition, and therefore needs to propose a new technical solution to improve the above technical problem.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a semi-physical simulation LVDS remote real-time acquisition method and system based on the Ethernet.
The invention provides a semi-physical simulation LVDS remote real-time acquisition method based on Ethernet, which comprises the following steps:
step S1: the simulation acquisition control computer is connected with the LVDS acquisition equipment through a simulation cable to establish TCP communication;
step S2: the simulation acquisition control computer is controlled to send a start record command word to the LVDS acquisition equipment FPGA through the Ethernet, and the LVDS acquisition equipment reports that the recording is started;
step S3: the simulation acquisition control computer is controlled to send an end record command word to the FPGA of the LVDS acquisition equipment through the Ethernet, and the LVDS acquisition equipment reports the end record;
step S4: the simulation acquisition control computer is controlled to send a downloading data command word to the FPGA of the LVDS acquisition equipment through the Ethernet, and the LVDS acquisition equipment returns that the FTP server is ready;
step S5: the simulation acquisition control computer downloads data from the LVDS acquisition equipment FTP server to the local.
Preferably, the LVDS acquisition device is mounted on an emulation turntable.
Preferably, four conductive slip ring channels are arranged on the simulation turntable, and the LVDS acquisition equipment and the simulation acquisition control computer are bridged by the Ethernet through the four conductive slip ring channels.
Preferably, the simulation acquisition control computer establishes TCP communication with the LVDS acquisition device.
Preferably, the LVDS acquisition device configures an FTP service, and the emulation acquisition control computer acquires LVDS data from the FTP.
The invention also provides a semi-physical simulation LVDS remote real-time acquisition system based on the Ethernet, which comprises the following modules:
module M1: the simulation acquisition control computer is connected with the LVDS acquisition equipment through a simulation cable to establish TCP communication;
module M2: the simulation acquisition control computer is controlled to send a start record command word to the LVDS acquisition equipment FPGA through the Ethernet, and the LVDS acquisition equipment reports that the recording is started;
module M3: the simulation acquisition control computer is controlled to send an end record command word to the FPGA of the LVDS acquisition equipment through the Ethernet, and the LVDS acquisition equipment reports the end record;
module M4: the simulation acquisition control computer is controlled to send a downloading data command word to the FPGA of the LVDS acquisition equipment through the Ethernet, and the LVDS acquisition equipment returns that the FTP server is ready;
module M5: the simulation acquisition control computer downloads data from the LVDS acquisition equipment FTP server to the local.
Preferably, the LVDS acquisition device is mounted on an emulation turntable.
Preferably, four conductive slip ring channels are arranged on the simulation turntable, and the LVDS acquisition equipment and the simulation acquisition control computer are bridged by the Ethernet through the four conductive slip ring channels.
Preferably, the simulation acquisition control computer establishes TCP communication with the LVDS acquisition device.
Preferably, the LVDS acquisition device configures an FTP service, and the emulation acquisition control computer acquires LVDS data from the FTP.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention realizes the remote acquisition of the semi-physical simulation LVDS data by using an Ethernet bridging mode, can download the data in real time, solves the problem of difficult acquisition of the LVDS data, and can be applied to the environment of a general laboratory;
2. the invention solves the problem that the existing semi-physical simulation acquisition of LVDS data needs to frequently lift the simulation turntable up and down.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of a semi-physical simulation LVDS remote real-time acquisition method system based on Ethernet;
FIG. 2 is a flow chart of the collection method of the present invention.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present invention.
Example 1:
the invention provides a semi-physical simulation LVDS remote real-time acquisition method based on Ethernet, which comprises the following steps:
step S1: the simulation acquisition control computer is connected with the LVDS acquisition equipment through a simulation cable to establish TCP communication;
step S2: the simulation acquisition control computer is controlled to send a start record command word to the LVDS acquisition equipment FPGA through the Ethernet, and the LVDS acquisition equipment reports that the recording is started;
step S3: the simulation acquisition control computer is controlled to send an end record command word to the FPGA of the LVDS acquisition equipment through the Ethernet, and the LVDS acquisition equipment reports the end record;
step S4: the simulation acquisition control computer is controlled to send a downloading data command word to the FPGA of the LVDS acquisition equipment through the Ethernet, and the LVDS acquisition equipment returns that the FTP server is ready;
step S5: the simulation acquisition control computer downloads data from the LVDS acquisition equipment FTP server to the local.
The LVDS acquisition equipment is arranged on the simulation turntable.
Four conductive slip ring channels are arranged on the simulation turntable, and the LVDS acquisition equipment and the simulation acquisition control computer are subjected to Ethernet bridging through the four conductive slip ring channels.
And the simulation acquisition control computer establishes TCP communication with the LVDS acquisition equipment.
The LVDS acquisition equipment is configured with an FTP service, and the simulation acquisition control computer acquires LVDS data from the FTP.
The invention also provides an Ethernet-based semi-physical simulation LVDS remote real-time acquisition system, which can be realized by executing the flow steps of the Ethernet-based semi-physical simulation LVDS remote real-time acquisition method, namely, a person skilled in the art can understand the Ethernet-based semi-physical simulation LVDS remote real-time acquisition method as a preferred implementation mode of the Ethernet-based semi-physical simulation LVDS remote real-time acquisition system.
Example 2:
the invention also provides a semi-physical simulation LVDS remote real-time acquisition system based on the Ethernet, which comprises the following modules:
module M1: the simulation acquisition control computer is connected with the LVDS acquisition equipment through a simulation cable to establish TCP communication;
module M2: the simulation acquisition control computer is controlled to send a start record command word to the LVDS acquisition equipment FPGA through the Ethernet, and the LVDS acquisition equipment reports that the recording is started;
module M3: the simulation acquisition control computer is controlled to send an end record command word to the FPGA of the LVDS acquisition equipment through the Ethernet, and the LVDS acquisition equipment reports the end record;
module M4: the simulation acquisition control computer is controlled to send a downloading data command word to the FPGA of the LVDS acquisition equipment through the Ethernet, and the LVDS acquisition equipment returns that the FTP server is ready;
module M5: the simulation acquisition control computer downloads data from the LVDS acquisition equipment FTP server to the local.
The LVDS acquisition equipment is arranged on the simulation turntable.
Four conductive slip ring channels are arranged on the simulation turntable, and the LVDS acquisition equipment and the simulation acquisition control computer are subjected to Ethernet bridging through the four conductive slip ring channels.
And the simulation acquisition control computer establishes TCP communication with the LVDS acquisition equipment.
The LVDS acquisition equipment is configured with an FTP service, and the simulation acquisition control computer acquires LVDS data from the FTP.
Example 3:
the invention aims to solve the problem that LVDS data of a missile-borne device cannot be acquired in real time in semi-physical simulation, and provides an LVDS remote real-time acquisition method based on Ethernet.
According to the LVDS remote real-time acquisition method based on the Ethernet, as shown in fig. 1, four channels of the turntable conductive slip ring are utilized to realize Ethernet bridging between LVDS acquisition equipment and a simulation control computer, the simulation control computer establishes TCP communication with the LVDS acquisition equipment, the LVDS acquisition equipment is configured with an FTP service, and the simulation control computer acquires LVDS data from the FTP.
The working flow of the semi-physical simulation LVDS remote real-time acquisition method based on the Ethernet is shown in figure 2, and a simulation acquisition control computer is connected with LVDS acquisition equipment (arranged on a simulation turntable) through a simulation cable to establish TCP communication; according to the test requirement, controlling a simulation acquisition control computer to send a start record command word to an LVDS acquisition device FPGA through an Ethernet, and reporting the start record by the LVDS acquisition device; according to the test requirement, controlling the simulation acquisition control computer to send an end record command word to the LVDS acquisition equipment FPGA through the Ethernet, and reporting the end record by the LVDS acquisition equipment; according to the test requirement, controlling the simulation acquisition control computer to send a downloading data command word to the FPGA of the LVDS acquisition equipment through the Ethernet, and the LVDS acquisition equipment returns that the FTP server is ready; the simulation acquisition control computer downloads data from the LVDS acquisition equipment FTP server to the local.
The semi-physical simulation LVDS remote real-time acquisition method based on the Ethernet is based on the Ethernet to transmit data, and the acquisition control of a far end is realized through the Ethernet to accurately control the time of data acquisition; setting a remote file server to realize the instant storage and instant downloading of data; the acquisition link is formed by acquisition equipment (hardware), a turntable bridge cable and an acquisition control machine, and is not influenced by high-speed rotation of the turntable; compared with the method that the turntable is required to be lifted up and down based on USB data collection, the method can save about thirty minutes of time in every ten tests (five minutes per test); under the condition of not changing a simulation system, the real-time simulation online analysis of the data is realized in a local downloading mode through remote storage.
The present embodiment will be understood by those skilled in the art as more specific descriptions of embodiment 1 and embodiment 2.
Those skilled in the art will appreciate that the invention provides a system and its individual devices, modules, units, etc. that can be implemented entirely by logic programming of method steps, in addition to being implemented as pure computer readable program code, in the form of logic gates, switches, application specific integrated circuits, programmable logic controllers, embedded microcontrollers, etc. Therefore, the system and various devices, modules and units thereof provided by the invention can be regarded as a hardware component, and the devices, modules and units for realizing various functions included in the system can also be regarded as structures in the hardware component; means, modules, and units for implementing the various functions may also be considered as either software modules for implementing the methods or structures within hardware components.
The foregoing describes specific embodiments of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without affecting the spirit of the invention. The embodiments of the present application and features in the embodiments may be combined with each other arbitrarily without conflict.
Claims (10)
1. The semi-physical simulation LVDS remote real-time acquisition method based on the Ethernet is characterized by comprising the following steps of:
step S1: the simulation acquisition control computer is connected with the LVDS acquisition equipment through a simulation cable to establish TCP communication;
step S2: the simulation acquisition control computer is controlled to send a start record command word to the LVDS acquisition equipment FPGA through the Ethernet, and the LVDS acquisition equipment reports that the recording is started;
step S3: the simulation acquisition control computer is controlled to send an end record command word to the FPGA of the LVDS acquisition equipment through the Ethernet, and the LVDS acquisition equipment reports the end record;
step S4: the simulation acquisition control computer is controlled to send a downloading data command word to the FPGA of the LVDS acquisition equipment through the Ethernet, and the LVDS acquisition equipment returns that the FTP server is ready;
step S5: the simulation acquisition control computer downloads data from the LVDS acquisition equipment FTP server to the local.
2. The method for remotely and real-timely acquiring the semi-physical simulation LVDS based on the Ethernet according to claim 1, wherein the LVDS acquisition equipment is installed on a simulation turntable.
3. The method for remotely and real-timely collecting the semi-physical simulation LVDS based on the Ethernet according to claim 2, wherein four conductive slip ring channels are arranged on the simulation turntable, and the LVDS collecting device and the simulation collecting control computer are in Ethernet bridging through the four conductive slip ring channels.
4. The method for remotely and real-timely acquiring the semi-physical simulation LVDS based on the Ethernet according to claim 1, wherein the simulation acquisition control computer establishes TCP communication with LVDS acquisition equipment.
5. The method for remotely and real-timely acquiring the semi-physical simulation LVDS based on the Ethernet according to claim 1, wherein the LVDS acquisition equipment is configured with an FTP service, and the simulation acquisition control computer acquires LVDS data from the FTP.
6. The semi-physical simulation LVDS remote real-time acquisition system based on the Ethernet is characterized by comprising the following modules:
module M1: the simulation acquisition control computer is connected with the LVDS acquisition equipment through a simulation cable to establish TCP communication;
module M2: the simulation acquisition control computer is controlled to send a start record command word to the LVDS acquisition equipment FPGA through the Ethernet, and the LVDS acquisition equipment reports that the recording is started;
module M3: the simulation acquisition control computer is controlled to send an end record command word to the FPGA of the LVDS acquisition equipment through the Ethernet, and the LVDS acquisition equipment reports the end record;
module M4: the simulation acquisition control computer is controlled to send a downloading data command word to the FPGA of the LVDS acquisition equipment through the Ethernet, and the LVDS acquisition equipment returns that the FTP server is ready;
module M5: the simulation acquisition control computer downloads data from the LVDS acquisition equipment FTP server to the local.
7. The ethernet-based semi-physical simulation LVDS remote real-time acquisition system of claim 6, wherein the LVDS acquisition device is mounted on a simulation turntable.
8. The Ethernet-based semi-physical simulation LVDS remote real-time acquisition system according to claim 7, wherein four conductive slip ring channels are arranged on the simulation turntable, and the LVDS acquisition equipment and the simulation acquisition control computer are subjected to Ethernet bridging through the four conductive slip ring channels.
9. The ethernet-based semi-physical simulation LVDS remote real-time acquisition system of claim 6, wherein the simulation acquisition control computer establishes TCP communication with the LVDS acquisition device.
10. The ethernet-based semi-physical simulation LVDS remote real-time acquisition system of claim 6, wherein the LVDS acquisition device configures an FTP service, and the simulation acquisition control computer acquires LVDS data from the FTP.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310155467.2A CN116300523A (en) | 2023-02-22 | 2023-02-22 | Semi-physical simulation LVDS remote real-time acquisition method and system based on Ethernet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310155467.2A CN116300523A (en) | 2023-02-22 | 2023-02-22 | Semi-physical simulation LVDS remote real-time acquisition method and system based on Ethernet |
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| Publication Number | Publication Date |
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| CN116300523A true CN116300523A (en) | 2023-06-23 |
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| CN202310155467.2A Pending CN116300523A (en) | 2023-02-22 | 2023-02-22 | Semi-physical simulation LVDS remote real-time acquisition method and system based on Ethernet |
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| CN (1) | CN116300523A (en) |
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