CN110581862A - general adaptation method and system based on RFM (radio frequency modulation) multiple real-time simulation units - Google Patents

general adaptation method and system based on RFM (radio frequency modulation) multiple real-time simulation units Download PDF

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Publication number
CN110581862A
CN110581862A CN201911012830.5A CN201911012830A CN110581862A CN 110581862 A CN110581862 A CN 110581862A CN 201911012830 A CN201911012830 A CN 201911012830A CN 110581862 A CN110581862 A CN 110581862A
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simulation
data
real
rfm
time
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郝恩义
李艳红
臧海飞
王帅豪
徐啸
田野
柳超杰
黄杉
程禹
刘栗
张业鑫
袁晴晴
汪书阁
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Shanghai Institute of Electromechanical Engineering
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Shanghai Institute of Electromechanical Engineering
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/02Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
    • H04L67/025Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/08Protocols specially adapted for terminal emulation, e.g. Telnet
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/10Protocols in which an application is distributed across nodes in the network
    • H04L67/1095Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/14Session management
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/22Parsing or analysis of headers

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Abstract

The invention provides a universal adaptation method and a universal adaptation system based on multiple real-time simulation units of RFM (radio frequency memory), which comprise the following steps: the adaptive device is constructed: loading the RFM reflection memory card into an industrial personal computer to form an adapter device; a real-time simulation connection step: connecting the RFM reflection memory card with a corresponding simulation unit, and establishing a data path between the simulation unit and the adapter device; and data interaction step: running general adaptive software, and performing direct data interaction with each simulation unit connected with the adaptive device to obtain data interaction result information and simulation state analysis and evaluation result information; the adaptive software can realize the drive and data interaction of the RFM reflective memory card; the adaptation software enables clock synchronization between multiple simulation units. The invention can realize the real-time interaction of direct timing information, control commands and simulation data of the multi-real-time simulation system.

Description

general adaptation method and system based on RFM (radio frequency modulation) multiple real-time simulation units
Technical Field
The invention relates to the technical field of simulation, in particular to a universal adaptation method and a universal adaptation system based on multiple real-time simulation units of RFM.
background
The semi-physical simulation system is a system for simulating a target signal and analyzing and verifying a guidance control system in a laboratory. The semi-physical simulation system plays an indispensable role in reducing the research and development cost, shortening the research and development period and improving the research and development level. The semi-physical simulation test system mainly comprises an optical fiber network, a simulation computer, a rotary table, a target simulation system and the like. The prior semi-physical simulation system mainly simulates a single tested product. With the development of a multi-mode seeker-based weapon system and the proposal of a multi-missile cooperative combat task, a single semi-physical simulation system cannot meet the requirements of the simulation task. The joint simulation of a plurality of semi-physical simulation systems becomes a main requirement in the future. The joint simulation of a plurality of sets of semi-physical simulation systems needs to solve the problems of clock synchronization and real-time interaction of direct data of different simulation systems.
Patent document CN209281180U discloses an auxiliary power supply simulation system, including: the signal conversion unit is electrically connected with the control unit and the simulation machine respectively; the control unit is used for sending a control instruction to the simulator and receiving a feedback signal sent by the simulator; the signal conversion unit is used for converting signals transmitted between the control unit and the simulator; the simulator is used for operating the simulation model to obtain a feedback signal and transmitting the feedback signal to the control unit; the simulation model comprises at least two auxiliary power supply circuit models with different circuit topologies and at least one storage battery charger circuit model. This patent is not well suited for semi-physical simulation systems.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a universal adaptation method and a universal adaptation system based on multiple real-time simulation units of RFM.
The invention provides a universal adaptation method based on multiple real-time simulation units of RFM, which comprises the following steps: the adaptive device is constructed: loading the RFM reflection memory card into an industrial personal computer to form an adapter device; a real-time simulation connection step: connecting the RFM reflection memory card with a corresponding simulation unit, and establishing a data path between the simulation unit and the adapter device; and data interaction step: running general adaptive software, and performing direct data interaction with each simulation unit connected with the adaptive device to obtain data interaction result information and simulation state analysis and evaluation result information; the adaptive software can realize the drive and data interaction of the RFM reflective memory card; the adaptation software enables clock synchronization between multiple simulation units.
preferably, the data interaction step comprises: data real-time acquisition step: according to the interrupt command of the main simulation unit, after responding to the interrupt command, acquiring the response state information of the interrupt command; and acquiring simulation control commands and clock timing information sent by the main simulation unit connected with the adapter device in real time from the RFM reflective memory card connected with the main simulation unit according to the response state information of the interrupt command, and acquiring simulation data generated by the sub-simulation unit from the RFM reflective memory card connected with the sub-simulation unit according to a communication protocol to acquire data acquisition completion result information.
Preferably, the data interaction step further comprises: and (3) data processing: and according to the data acquisition completion result information, forwarding the control command and the clock of the main simulation unit to the sub-simulation units in an interrupted mode in the current frame, simultaneously removing the simulation data acquired from the sub-simulation units according to the software configuration information, and forwarding the effective information to the main simulation unit to realize the interaction of the control command and the simulation data among the plurality of simulation units.
preferably, the data interaction step further comprises: a data storage step: respectively storing the real-time simulation data collected from each sub-simulation unit into a real-time database and an analysis database according to a data storage protocol; the real-time database is used for providing data sources for various application services; and the analysis database is used for analyzing and analyzing the data after the simulation is finished.
Preferably, the data interaction step further comprises: and application service steps: after each simulation subunit is connected with the adapter device, power-on control, equipment operation control and target control of the tested product in each subunit are carried out by forwarding the control command of the main simulation unit; the application service unit acquires the simulation data acquired from the subunits from the real-time database, drives the application service unit to operate, monitors the simulation process and the operation state of the simulation subunits, analyzes and evaluates the simulation state and the result through analyzing and analyzing the data stored in the analysis database, and acquires the simulation state analysis and evaluation result information.
the invention provides a universal adaptation system based on multiple real-time simulation units of RFM, which comprises: the adaptive device constructs the module: loading the RFM reflection memory card into an industrial personal computer to form an adapter device; the real-time simulation connection module: connecting the RFM reflection memory card with a corresponding simulation unit, and establishing a data path between the simulation unit and the adapter device; the data interaction module: running general adaptive software, and performing direct data interaction with each simulation unit connected with the adaptive device to obtain data interaction result information and simulation state analysis and evaluation result information; the adaptive software can realize the drive and data interaction of the RFM reflective memory card; the adaptation software enables clock synchronization between multiple simulation units.
Preferably, the data interaction module comprises: the data real-time acquisition module: according to the interrupt command of the main simulation unit, after responding to the interrupt command, acquiring the response state information of the interrupt command; and acquiring simulation control commands and clock timing information sent by the main simulation unit connected with the adapter device in real time from the RFM reflective memory card connected with the main simulation unit according to the response state information of the interrupt command, and acquiring simulation data generated by the sub-simulation unit from the RFM reflective memory card connected with the sub-simulation unit according to a communication protocol to acquire data acquisition completion result information.
Preferably, the data interaction module further comprises: a data processing module: and according to the data acquisition completion result information, forwarding the control command and the clock of the main simulation unit to the sub-simulation units in an interrupted mode in the current frame, simultaneously removing the simulation data acquired from the sub-simulation units according to the software configuration information, and forwarding the effective information to the main simulation unit to realize the interaction of the control command and the simulation data among the plurality of simulation units.
preferably, the data interaction module further comprises: a data storage module: respectively storing the real-time simulation data collected from each sub-simulation unit into a real-time database and an analysis database according to a data storage protocol; the real-time database is used for providing data sources for various application services; and the analysis database is used for analyzing and analyzing the data after the simulation is finished.
Preferably, the data interaction module further comprises: an application service module: after each simulation subunit is connected with the adapter device, power-on control, equipment operation control and target control of the tested product in each subunit are carried out by forwarding the control command of the main simulation unit; the application service unit acquires the simulation data acquired from the subunits from the real-time database, drives the application service unit to operate, monitors the simulation process and the operation state of the simulation subunits, analyzes and evaluates the simulation state and the result through analyzing and analyzing the data stored in the analysis database, and acquires the simulation state analysis and evaluation result information.
Compared with the prior art, the invention has the following beneficial effects:
1. The invention can realize the real-time interaction of direct timing information, control commands and simulation data of the multi-real-time simulation system;
2. the invention can solve the problem that a plurality of sets of semi-physical simulation systems are difficult to interconnect and intercommunicate under the condition of reflecting internal storage node resource shortage.
drawings
other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic flow chart of the method of the present invention.
FIG. 2 is a system framework diagram of the present invention.
Fig. 3 is a schematic diagram of a framework in an embodiment of the invention.
Fig. 4 is a schematic diagram of an information interaction flow in the embodiment 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 invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
the invention provides a universal adaptation method based on multiple real-time simulation units of RFM, which comprises the following steps: the adaptive device is constructed: loading the RFM reflection memory card into an industrial personal computer to form an adapter device; a real-time simulation connection step: connecting the RFM reflection memory card with a corresponding simulation unit, and establishing a data path between the simulation unit and the adapter device; and data interaction step: running general adaptive software, and performing direct data interaction with each simulation unit connected with the adaptive device to obtain data interaction result information and simulation state analysis and evaluation result information; the adaptive software can realize the drive and data interaction of the RFM reflective memory card; the adaptation software enables clock synchronization between multiple simulation units.
General adaptation device based on many real-time simulation systems of RFM, characterized by, include: the system comprises a plurality of RFM reflection memory cards, an industrial control computer and real-time information adapting software, wherein the RFM reflection memory cards are connected with a corresponding real-time simulation system through optical fibers and used for real-time transmission and interaction of timing information, control commands and simulation data of the reflection memory cards and the corresponding real-time simulation system; the industrial control computer is a physical basis of the invention and is used for operating the real-time information adaptation software to realize the physical interaction of the direct data of the FRM reflective memory card; and after the real-time information adaptation software operates, the real-time information adaptation software receives timing information, control commands and real-time data from the RFM reflective memory card, and forwards/distributes the received information to other RFM reflective memory cards in real time, so that interconnection and intercommunication of multiple real-time simulation systems are realized.
Preferably, the data interaction step comprises: data real-time acquisition step: according to the interrupt command of the main simulation unit, after responding to the interrupt command, acquiring the response state information of the interrupt command; and acquiring simulation control commands and clock timing information sent by the main simulation unit connected with the adapter device in real time from the RFM reflective memory card connected with the main simulation unit according to the response state information of the interrupt command, and acquiring simulation data generated by the sub-simulation unit from the RFM reflective memory card connected with the sub-simulation unit according to a communication protocol to acquire data acquisition completion result information.
Preferably, the data interaction step further comprises: and (3) data processing: and according to the data acquisition completion result information, forwarding the control command and the clock of the main simulation unit to the sub-simulation units in an interrupted mode in the current frame, simultaneously removing the simulation data acquired from the sub-simulation units according to the software configuration information, and forwarding the effective information to the main simulation unit to realize the interaction of the control command and the simulation data among the plurality of simulation units.
preferably, the data interaction step further comprises: a data storage step: respectively storing the real-time simulation data collected from each sub-simulation unit into a real-time database and an analysis database according to a data storage protocol; the real-time database is used for providing data sources for various application services; and the analysis database is used for analyzing and analyzing the data after the simulation is finished.
Preferably, the data interaction step further comprises: and application service steps: after each simulation subunit is connected with the adapter device, power-on control, equipment operation control and target control of the tested product in each subunit are carried out by forwarding the control command of the main simulation unit; the application service unit acquires the simulation data acquired from the subunits from the real-time database, drives the application service unit to operate, monitors the simulation process and the operation state of the simulation subunits, analyzes and evaluates the simulation state and the result through analyzing and analyzing the data stored in the analysis database, and acquires the simulation state analysis and evaluation result information.
specifically, in one embodiment, a general adaptation method based on an RFM multi-real-time simulation system includes the following steps:
Step 1: loading the RFM reflection memory card into an industrial personal computer to form the universal adapter device;
Step 2: connecting each reflection memory card with a corresponding real-time simulation system by using an optical fiber, and establishing a data path between each real-time simulation system and the universal adapter device;
And step 3: and running general adaptive software to realize direct data interaction of each simulation system connected with the general adaptive device.
The RFM reflective memory card is connected with the industrial personal computer through a PCI slot and is installed with the RFM reflective memory card drive. The optical fiber is a multimode optical fiber, and the reflective memory card is connected with an optical fiber switch in the corresponding simulation system through the multimode optical fiber. The general adaptation software is developed according to the software architecture diagram shown in fig. 3, and the software implements driving and data interaction of the RFM reflective memory card according to the information interaction flow diagram shown in fig. 4, thereby implementing clock synchronization, control command transmission, and real-time data interaction between multiple real-time simulation systems.
The invention provides a universal adaptation system based on multiple real-time simulation units of RFM, which comprises: the adaptive device constructs the module: loading the RFM reflection memory card into an industrial personal computer to form an adapter device; the real-time simulation connection module: connecting the RFM reflection memory card with a corresponding simulation unit, and establishing a data path between the simulation unit and the adapter device; the data interaction module: running general adaptive software, and performing direct data interaction with each simulation unit connected with the adaptive device to obtain data interaction result information and simulation state analysis and evaluation result information; the adaptive software can realize the drive and data interaction of the RFM reflective memory card; the adaptation software enables clock synchronization between multiple simulation units.
preferably, the data interaction module comprises: the data real-time acquisition module: according to the interrupt command of the main simulation unit, after responding to the interrupt command, acquiring the response state information of the interrupt command; and acquiring simulation control commands and clock timing information sent by the main simulation unit connected with the adapter device in real time from the RFM reflective memory card connected with the main simulation unit according to the response state information of the interrupt command, and acquiring simulation data generated by the sub-simulation unit from the RFM reflective memory card connected with the sub-simulation unit according to a communication protocol to acquire data acquisition completion result information.
Preferably, the data interaction module further comprises: a data processing module: and according to the data acquisition completion result information, forwarding the control command and the clock of the main simulation unit to the sub-simulation units in an interrupted mode in the current frame, simultaneously removing the simulation data acquired from the sub-simulation units according to the software configuration information, and forwarding the effective information to the main simulation unit to realize the interaction of the control command and the simulation data among the plurality of simulation units.
preferably, the data interaction module further comprises: a data storage module: respectively storing the real-time simulation data collected from each sub-simulation unit into a real-time database and an analysis database according to a data storage protocol; the real-time database is used for providing data sources for various application services; and the analysis database is used for analyzing and analyzing the data after the simulation is finished.
Preferably, the data interaction module further comprises: an application service module: after each simulation subunit is connected with the adapter device, power-on control, equipment operation control and target control of the tested product in each subunit are carried out by forwarding the control command of the main simulation unit; the application service unit acquires the simulation data acquired from the subunits from the real-time database, drives the application service unit to operate, monitors the simulation process and the operation state of the simulation subunits, analyzes and evaluates the simulation state and the result through analyzing and analyzing the data stored in the analysis database, and acquires the simulation state analysis and evaluation result information.
Specifically, in one embodiment, a universal adapting device based on an RFM multi-real-time simulation system includes: the system comprises a real-time simulation system, an RFM (radio frequency memory) reflection memory card and an industrial control computer; the RFM reflection memory card is connected with a corresponding real-time simulation system through an optical fiber and is used for real-time transmission and interaction of timing information, control commands and simulation data of the reflection memory card and the corresponding real-time simulation system; the real-time information adaptation system comprises the following modules: a physical switching module: physical interaction of direct data of the FRM reflection memory card is realized; an information receiving module: receiving simulation data from the RFM reflective memory card, wherein the simulation data comprises timing information, control commands and real-time data; an information sending module: and forwarding or distributing the received simulation data to other RFM reflective memory cards in real time to realize interconnection and intercommunication of the multiple real-time simulation systems.
The invention can realize the real-time interaction of direct timing information, control commands and simulation data of the multi-real-time simulation system; the invention can solve the problem that a plurality of sets of semi-physical simulation systems are difficult to interconnect and intercommunicate under the condition of reflecting internal storage node resource shortage.
Those skilled in the art will appreciate that, in addition to implementing the system and its various devices, modules, units provided by the present invention as pure computer readable program code, the system and its various devices, modules, units provided by the present invention can be fully implemented by logically programming method steps in the form of logic gates, switches, application specific integrated circuits, programmable logic controllers, embedded microcontrollers and the like. 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 included in the system for realizing various functions can also be regarded as structures in the hardware component; means, modules, units for performing the various functions may also be regarded as structures within both software modules and hardware components for performing the method.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

Claims (10)

1. a universal adaptation method based on multiple real-time simulation units of RFM is characterized by comprising the following steps:
The adaptive device is constructed: loading the RFM reflection memory card into an industrial personal computer to form an adapter device;
A real-time simulation connection step: connecting the RFM reflection memory card with a corresponding simulation unit, and establishing a data path between the simulation unit and the adapter device;
And data interaction step: running general adaptive software, and performing direct data interaction with each simulation unit connected with the adaptive device to obtain data interaction result information and simulation state analysis and evaluation result information;
the adaptive software can realize the drive and data interaction of the RFM reflective memory card;
the adaptation software enables clock synchronization between multiple simulation units.
2. The universal adaptation method based on multiple real-time simulation units of RFM of claim 1, wherein the data interaction step comprises:
Data real-time acquisition step: according to the interrupt command of the main simulation unit, after responding to the interrupt command, acquiring the response state information of the interrupt command;
And acquiring simulation control commands and clock timing information sent by the main simulation unit connected with the adapter device in real time from the RFM reflective memory card connected with the main simulation unit according to the response state information of the interrupt command, and acquiring simulation data generated by the sub-simulation unit from the RFM reflective memory card connected with the sub-simulation unit according to a communication protocol to acquire data acquisition completion result information.
3. The universal adaptation method based on multiple real-time simulation units of RFM as claimed in claim 2, wherein the data interaction step further comprises:
And (3) data processing: and according to the data acquisition completion result information, forwarding the control command and the clock of the main simulation unit to the sub-simulation units in an interrupted mode in the current frame, simultaneously removing the simulation data acquired from the sub-simulation units according to the software configuration information, and forwarding the effective information to the main simulation unit to realize the interaction of the control command and the simulation data among the plurality of simulation units.
4. the universal adaptation method based on multiple real-time simulation units of RFM as claimed in claim 2, wherein the data interaction step further comprises:
a data storage step: respectively storing the real-time simulation data collected from each sub-simulation unit into a real-time database and an analysis database according to a data storage protocol;
The real-time database is used for providing data sources for various application services;
And the analysis database is used for analyzing and analyzing the data after the simulation is finished.
5. the universal adaptation method based on multiple real-time simulation units of RFM as claimed in claim 2, wherein the data interaction step further comprises:
And application service steps: after each simulation subunit is connected with the adapter device, power-on control, equipment operation control and target control of the tested product in each subunit are carried out by forwarding the control command of the main simulation unit;
the application service unit acquires the simulation data acquired from the subunits from the real-time database, drives the application service unit to operate, monitors the simulation process and the operation state of the simulation subunits, analyzes and evaluates the simulation state and the result through analyzing and analyzing the data stored in the analysis database, and acquires the simulation state analysis and evaluation result information.
6. a universal adaptation system based on RFM multiple real-time simulation units is characterized by comprising:
The adaptive device constructs the module: loading the RFM reflection memory card into an industrial personal computer to form an adapter device;
The real-time simulation connection module: connecting the RFM reflection memory card with a corresponding simulation unit, and establishing a data path between the simulation unit and the adapter device;
The data interaction module: running general adaptive software, and performing direct data interaction with each simulation unit connected with the adaptive device to obtain data interaction result information and simulation state analysis and evaluation result information;
The adaptive software can realize the drive and data interaction of the RFM reflective memory card;
The adaptation software enables clock synchronization between multiple simulation units.
7. the RFM multi-real-time simulation unit-based universal adaptation system according to claim 6, wherein the data interaction module comprises:
the data real-time acquisition module: according to the interrupt command of the main simulation unit, after responding to the interrupt command, acquiring the response state information of the interrupt command;
And acquiring simulation control commands and clock timing information sent by the main simulation unit connected with the adapter device in real time from the RFM reflective memory card connected with the main simulation unit according to the response state information of the interrupt command, and acquiring simulation data generated by the sub-simulation unit from the RFM reflective memory card connected with the sub-simulation unit according to a communication protocol to acquire data acquisition completion result information.
8. The RFM multi-real-time simulation unit-based universal adaptation system according to claim 7, wherein the data interaction module further comprises:
a data processing module: and according to the data acquisition completion result information, forwarding the control command and the clock of the main simulation unit to the sub-simulation units in an interrupted mode in the current frame, simultaneously removing the simulation data acquired from the sub-simulation units according to the software configuration information, and forwarding the effective information to the main simulation unit to realize the interaction of the control command and the simulation data among the plurality of simulation units.
9. The RFM multi-real-time simulation unit-based universal adaptation system according to claim 7, wherein the data interaction module further comprises:
A data storage module: respectively storing the real-time simulation data collected from each sub-simulation unit into a real-time database and an analysis database according to a data storage protocol;
The real-time database is used for providing data sources for various application services;
and the analysis database is used for analyzing and analyzing the data after the simulation is finished.
10. The RFM multi-real-time simulation unit-based universal adaptation system according to claim 7, wherein the data interaction module further comprises:
an application service module: after each simulation subunit is connected with the adapter device, power-on control, equipment operation control and target control of the tested product in each subunit are carried out by forwarding the control command of the main simulation unit;
The application service unit acquires the simulation data acquired from the subunits from the real-time database, drives the application service unit to operate, monitors the simulation process and the operation state of the simulation subunits, analyzes and evaluates the simulation state and the result through analyzing and analyzing the data stored in the analysis database, and acquires the simulation state analysis and evaluation result information.
CN201911012830.5A 2019-10-23 2019-10-23 general adaptation method and system based on RFM (radio frequency modulation) multiple real-time simulation units Pending CN110581862A (en)

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Application publication date: 20191217