KR20140117962A - User interactive hardware-in-the-roop simulation devices and method for distributed embedded system - Google Patents

User interactive hardware-in-the-roop simulation devices and method for distributed embedded system Download PDF

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KR20140117962A
KR20140117962A KR1020130032975A KR20130032975A KR20140117962A KR 20140117962 A KR20140117962 A KR 20140117962A KR 1020130032975 A KR1020130032975 A KR 1020130032975A KR 20130032975 A KR20130032975 A KR 20130032975A KR 20140117962 A KR20140117962 A KR 20140117962A
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South Korea
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user
hardware
simulator
simulation
embedded system
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KR1020130032975A
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Korean (ko)
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김민조
김진명
이해영
전인걸
김원태
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한국전자통신연구원
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Publication of KR20140117962A publication Critical patent/KR20140117962A/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
    • G06F11/0706—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment
    • G06F11/0736—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment in functional embedded systems, i.e. in a data processing system designed as a combination of hardware and software dedicated to performing a certain function
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
    • G06F11/26—Functional testing
    • G06F11/261—Functional testing by simulating additional hardware, e.g. fault simulation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
    • G06F11/26—Functional testing
    • G06F11/27—Built-in tests

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  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Debugging And Monitoring (AREA)

Abstract

A user-interactive hardware-in-the-loop simulation apparatus and method for a distributed embedded system is disclosed. A user-interactive hardware-simulation apparatus and method for a distributed embedded system according to the present invention includes an embedded system including a user-machine interfacing common interface, a user interactor, a user interaction simulator using a simulation environment configurer, Setting; Receiving hardware state data from hardware of the embedded system or user interaction hardware of the user interactor or from a distributed simulator of the user interactive simulator, and computing hardware control data in a control software or a distributed simulator; Transferring the hardware control data generated in the computing step to the hardware of the embedded system or the user interaction hardware of the user interactor or the distributed simulator of the user interactive simulator; And the step of calculating and the step of delivering forming a loop and proceeding with the simulation.

Description

[0001] USER INTERACTIVE HARDWARE-IN-THE-ROOP SIMULATION DEVICES AND METHOD FOR DISTRIBUTED EMBEDDED SYSTEM [0002]

The present invention relates to a hardware-in-the-loop simulation apparatus and method capable of user interaction for verifying the functionality of a plurality of distributed embedded systems.

An embedded system is a computer system that embeds software in hardware to perform only one or a few functions. Embedded systems are used in a variety of fields such as home appliances commonly found in our surroundings, safety-critical systems such as defense, aviation, automobiles, and power stations. In such an embedded system, high reliability of the system is required, so simulation technology is used as a method for verifying the system reliability.

Hardware-in-the-loop simulation (HILS) is a simulation technique that combines real-time computer simulation with embedded system. This is a simulation that forms a loop to be input to the simulator. This is an efficient way to verify the performance and stability of the test objects before testing embedded systems with development software in real-world environments. For example, in the case of aircraft, hardware-in-the-loop simulations are essential because flying an actual aircraft for software testing of an automated navigation system is very dangerous due to a crash. In addition, hardware-in-the-loop simulation is widely used as a testing tool for embedded systems due to its ability to apply various testing scenarios that are difficult to test in real environments, and to shorten development time and cost.

In addition, in most embedded systems, human intervention is inevitable due to the difficulty of building a complete autonomous system, so the user may be included in the simulation loop to test such a system. This is called human-in-the-loop simulation or man-in-the-loop simulation. Human-in-the-loop simulations can test how user input affects an embedded system and allow the user to experience changes in the environment of the embedded system. It is also used by users to learn how to use the embedded system.

However, since conventional human-in-the-loop simulation or man-in-the-loop simulation is mainly for testing of a single embedded system used for a specific purpose, It can not be used in the case of distributed embedded systems. In addition, although an embedded system is used in various fields in recent years, there are various problems such that the conventional technology can be utilized only in a specific system and can not be universally used in various types of embedded systems. Accordingly, the present invention discloses a user-interactive hardware-in-the-loop simulation apparatus and method for a distributed embedded system for solving the problems of the prior art as described above.

Related prior arts are Korean Unexamined Patent Publication No. 2002-0064547 for a hardware-in-the-loop simulation system and method for distributed embedded devices.

It is an object of the present invention to provide a user-interactive hardware-in-the-loop simulation apparatus and method applicable to a large number of distributed embedded systems.

According to another aspect of the present invention, there is provided a method of simulating a user-interacting hardware-embedded system for a distributed embedded system, the method comprising: providing an embedded system including a user- Setting a simulation environment by using the simulator; Receiving hardware state data from hardware of the embedded system or user interaction hardware of the user interactor or from a distributed simulator of the user interactive simulator, and computing hardware control data in a control software or a distributed simulator; Transferring the hardware control data generated in the computing step to the hardware of the embedded system or the user interaction hardware of the user interactor or the distributed simulator of the user interactive simulator; And the step of calculating and the step of delivering forming a loop and proceeding with the simulation.

According to the present invention, a hardware-in-the-loop simulation apparatus and method applicable to a plurality of distributed embedded systems can be provided.

1 illustrates a user-interactive hardware-in-the-loop simulation apparatus for a plurality of distributed embedded systems in accordance with an embodiment of the present invention.
2 is a block diagram of an embedded system according to an embodiment of the present invention.
3 illustrates a user interactor in accordance with an embodiment of the present invention.
4 is a diagram illustrating a user interactive simulator according to an embodiment of the present invention.
5 is a diagram illustrating a user-machine interfacing common interface according to an embodiment of the present invention.
6 is a diagram illustrating a simulation environment configurer according to an embodiment of the present invention.
7 is a data flow diagram of a simulation environment configurer according to an embodiment of the present invention.
8 is a data flow diagram of an embedded system according to an embodiment of the present invention.
9 is a data flow diagram of a user interactor in accordance with an embodiment of the present invention.
10 is a data flow diagram of a user interactive simulator according to an embodiment of the present invention.
11 is a diagram illustrating a user-interactive hardware-in-the-loop simulation test scenario in which hardware is not present according to an embodiment of the present invention.
12 is a diagram illustrating a user-interactive hardware-in-the-loop simulation test scenario in which no control software exists in accordance with an embodiment of the present invention.
13 is a diagram illustrating a user interactive hardware-in-the-loop simulation test scenario according to an embodiment of the present invention.

The present invention will now be described in detail with reference to the accompanying drawings. Hereinafter, a repeated description, a known function that may obscure the gist of the present invention, and a detailed description of the configuration will be omitted. Embodiments of the present invention are provided to more fully describe the present invention to those skilled in the art. Accordingly, the shapes and sizes of the elements in the drawings and the like can be exaggerated for clarity.

Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the accompanying drawings.

1 illustrates a user-interactive hardware-in-the-loop simulation apparatus for a plurality of distributed embedded systems in accordance with an embodiment of the present invention.

Referring to FIG. 1, a user-interactive hardware-in-the-loop simulation apparatus for a plurality of distributed embedded systems according to an embodiment of the present invention includes an embedded system 100, a user interaction unit 200, An action type simulator 300, and a simulation environment setting device 500.

The embedded system 100 is a computer system in which hardware for embodying software for operating a system to perform only one or a few functions is embedded in hardware. The embedded system 100 includes a hardware 110, a control software 120 for controlling the hardware 100, a hardware interlock 111 for interlocking with the hardware 110, a control for interlocking with the control software 120, A user-machine interlocking common interface 400 for managing data between the software interlocker 121, the user interacting device 200, the user interactive simulator 300, and the simulation configuration device 500 via the network .

The user interaction unit 200 is a device that allows a user to be included in the simulation loop because human intervention is inevitable due to difficulty in building a complete autonomous system in the embedded system 100. [ The simulation including the user interaction 200 can test how the user's input affects the embedded system 100 and allows the user to feel the environment change of the embedded system 100 directly. The user interaction 200 includes a user interaction hardware 210 that interacts directly with a user, an analog to digital converter 211 and a digital to analog converter 212 for conversion between analog signals and digital signals, In-the-loop simulation data converter 220 that converts data so that the hardware 210 can interoperate with the user interactive simulator 300 and the embedded system 100, the embedded system 100 via the network, A user-interaction interoperable common interface 400 for managing data between the user interaction simulator 300 and the simulator configurator 500. The user-

The user interaction type simulator 300 includes a distributed simulator 310 for simulation of the embedded system 100, a virtual environment simulation device manager 320 for providing a virtual environment simulated in the embedded system 100, And a user-machine interface common interface 400 for managing data between the embedded system 100, the user interactor 200, and the simulator configurator 500. At this time, the virtual environment simulation apparatus manager 320 includes a virtual environment simulation apparatus 330 that simulates a virtual environment on the hardware 110 of the embedded system 100.

The simulation environment configurer 500 includes a user interface 510 for enabling a simulation environment setting in cooperation with a user, a user interactive hardware-in-the-loop simulation environment configurer 520 for setting an environment for simulation, A configuration data transceiver 530 for managing data between the embedded system 100, the user interactor 200, and the user interactive simulator 300 over the network.

2 is a block diagram of an embedded system according to an embodiment of the present invention.

2, an embedded system 100 according to an embodiment of the present invention includes a hardware 110, control software 120 for controlling the hardware 100, a hardware linker A control software interlock 121 for interfacing with the control software 120, data between the user interactor 200, the user interactive simulator 300, and the simulator configurator 500 via the network, And a user-machine interlocking common interface 400 for managing the user interface.

The hardware interlocker 111 exchanges hardware state data and hardware control data with the hardware 110 through a hardware interface provided by a hardware manufacturer. In this case, the hardware 110 refers to all hardware devices such as sensors and actuators included in the embedded system 100.

The control software interlock 121 interlocks with the control software 120 to exchange hardware state data and hardware control data.

The user-machine interworking common interface 400 included in the embedded system 100 interworks with the simulation environment configurer 500 via a network to exchange data for setting up the simulation environment and set simulation environment settings of the embedded system 100 do. The embedded system 100 interacts with the user interactive simulator 300 or the user interactor 200 using the network according to the simulation environment setting to exchange hardware state data and hardware control data.

The user-machine interlocking common interface 400 included in the embedded system 100 interlocks with the hardware interlocker 111 and the control software interlocker 121 to manage the data flow between the modules of the embedded system 100 do.

3 illustrates a user interactor in accordance with an embodiment of the present invention.

Referring to FIG. 3, the user interaction unit 200 according to an exemplary embodiment of the present invention includes a user interaction hardware 210 that directly interacts with a user, an analog-to-digital converter In-the-loop simulation that converts data so that the user interaction hardware 210 and the digital-to-analog converter 212, the user interaction hardware 210 can interact with the user interactive simulator 300 and the embedded system 100, A data converter 220, a user-machine interfacing common interface 400 for managing data between the embedded system 100, the user interactive simulator 300, and the simulator configurator 500 via a network .

The user interaction hardware 210 may be any device capable of interacting with a user, such as a joystick, a handle, a monitor, a wearable display, and the like.

The analog-to-digital converter 211 and the digital-to-analog converter 212 perform signal conversion between the analog signal and the digital signal.

The hardware-in-the-loop simulation data converter 220 is configured to interact with the user interaction hardware 210 and the user interactive simulator 300 or between the user interaction hardware 210 and the embedded system 100 Data.

The user-machine interworking common interface 400 included in the user interactive device 200 interworks with the simulation configuration device 500 using the network to exchange data for setting up the simulation environment, Configure the environment. The user interaction unit 200 interacts with the user interactive simulator 300 or the embedded system 100 using the network according to the simulation environment setting to exchange hardware state data and hardware control data. Also, the user-machine interlocking common interface 400 included in the user interlocker 200 interlocks with the hardware-in-the-loop simulation data converter 220 to manage data of the user interlock.

4 is a diagram illustrating a user interactive simulator according to an embodiment of the present invention.

4, a user interactive simulator 300 according to an exemplary embodiment of the present invention includes a distributed simulator 310 for simulation of the embedded system 100, a virtual environment simulated in the embedded system 100 A user-machine interface common interface 400 for managing data between the virtual environment simulation apparatus manager 320 and the embedded system 100, the user interactor 200, and the simulation environment configurator 500 via the network, . At this time, the virtual environment simulation apparatus manager 320 includes a virtual environment simulation apparatus 330 that simulates a virtual environment on the hardware 110 of the embedded system 100.

The distributed simulator 310 performs simulation to simulate that the embedded system 100 operates in a real environment. Also, simulation results using the control software model of the distributed simulator 310 may be used in place of the control software 120 of the embedded system 100 according to the simulation environment setting.

The virtual environment simulation apparatus manager 320 simulates the simulated virtual environment in the embedded system 100. At this time, the virtual environment simulation apparatus manager 320 includes a virtual environment simulation apparatus 330 that simulates a virtual environment on the hardware 110 of the embedded system 100. The virtual environment simulation apparatus 330 includes all devices capable of giving physical stimulation to an embedded system such as a motion table and a hot plate, and all devices capable of measuring hardware state changes of the embedded system. The virtual environment simulation apparatus manager 320 and the virtual environment simulation apparatus 330 are linked through a network.

The user-machine interworking common interface 400 included in the user interactive simulator 300 interworks with the simulation environment configurator 500 using the network to exchange data for setting up the simulation environment, 300). The user interactive simulator 300 interacts with the embedded system 100 or the user interactor 200 using the network according to a simulation environment setting to exchange hardware state data and hardware control data. Also, the user-machine interlocking common interface 400 included in the user interactive simulator 300 interlocks with the distributed simulator 310 to manage the data of the user interactive simulator 300.

5 is a diagram illustrating a user-machine interfacing common interface according to an embodiment of the present invention.

5, a user-machine interoperable common interface 400 according to an embodiment of the present invention includes a system configuration unit 420, a hardware-in-the-loop simulation data exchange unit 430, a user interaction type And a hardware-in-the-loop simulation manager 410.

The system environment setting unit 420 interacts with the simulation environment setting unit 500 using the network to exchange the simulation environment setting data and sends the simulation environment setting to the user interaction type hardware-in-the-loop simulation manager 410 do.

The hardware-in-the-loop simulation data exchanger 430 may use the network to configure the embedded system 100 or the user interactor 200 or the user interactive simulator 300 and hardware state data and hardware Exchange control data.

The user-interactive hardware-in-the-loop simulation manager 410 interfaces with the system configurator 420 and the hardware-in-the-loop simulation data exchanger 430. It is also possible to use the hardware-in-the-loop simulation data converter 220 of the user interactor 200, the hardware interlock 111 of the embedded system 100, the control software interlock 121 or the user interactive simulator 300 in cooperation with the distributed simulator 310 of the hardware simulator. In addition, the user-interactive hardware-in-the-loop simulation manager 410 may include data for simulation configuration, and hardware state data and hardware control data used in the simulation.

Therefore, a user-interactive hardware-in-the-loop simulation system can be constructed by using the user-machine interworking common interface 400 in the embedded system 100, the user interactive system 200, and the user interactive simulator 300 It can be facilitated.

6 is a diagram illustrating a simulation environment configurer according to an embodiment of the present invention.

Referring to FIG. 6, the simulator 500 includes a user interface 510, a user-interactive hardware-in-the-loop simulation configuration unit 520, and a configuration data transceiver 530.

The user interface 510 allows the user to set up the simulation environment in cooperation with the user.

The user-interactive hardware-in-the-loop simulation configuration unit 520 sets the environment of the actual simulation.

The configuration data transceiver 530 exchanges data for the simulation environment with the embedded system 100, the user interactor 200, and the user interactive simulator 300 using the network.

7 is a data flow diagram of a simulation environment configurer according to an embodiment of the present invention.

7, a simulator 500 according to an exemplary embodiment of the present invention receives configuration information from an embedded system 100, a user interactor 200, and a user interactive simulator 300 S600).

After receiving the setting information, a simulation environment is set by receiving a user input for the setting information input through the user interface 510 (S610).

The simulation environment setting data set in step S610 is transmitted to the embedded system 100, the user interacting device 200, and the user interactive simulator 300 to set the entire simulation environment (S620).

8 is a data flow diagram of an embedded system according to an embodiment of the present invention.

Referring to FIG. 8, the embedded system 100 according to an embodiment of the present invention receives simulation environment setting data from the simulation environment configurer 500 and sets a simulation environment (S700).

After setting the simulation environment, it is determined whether the hardware 110 and the control software 120 exist in the embedded system 100 (S710).

The embedded system 100 receives the hardware status data from the distributed simulator 310 of the user interactive simulator 300 when the hardware 110 does not exist in the embedded system 100 and only the control software 120 exists (S720).

The hardware state data received in step S720 performs a predetermined operation in the control software 120 (S721).

The hardware control data generated through the operation in step S721 is transferred to the distributed simulator 310 of the user interactive simulator 300 (S722).

After the simulation environment setting, when the hardware 110 exists in the embedded system 100 and the control software 120 does not exist, the embedded system 110 transfers the dispersions of the user interactive simulator 300 in the hardware 110 The hardware status data is transmitted to the simulator 310 (S730).

After step S730, the distributed simulator 310 transmits the hardware control data generated through a predetermined operation to the embedded system 100 (S731).

The hardware control data received in step S731 is transmitted to the hardware 110 of the embedded system 100 (step S732).

If the hardware 110 and the control software 120 are both present in the embedded system 100 after the simulation environment setting, the hardware state data is transmitted to the control software 120 (S740).

The control software 120 performs a predetermined operation using the received hardware state data (S741).

The hardware control data generated through the operation is transferred to the hardware 100.

Among the processes shown in FIG. 8, the processes after the simulation environment setting (S700) form a loop and the simulation proceeds.

9 is a data flow diagram of a user interactor in accordance with an embodiment of the present invention.

Referring to FIG. 9, the user interactive device 200 according to an embodiment of the present invention receives simulation environment setting data from the simulation environment configurer 500 and sets a simulation environment (S800).

Then, it is checked whether the mode is the user interlocking mode (S810).

In the case of the user interlocking mode, the user interaction hardware 210 receives a user's input.

The hardware state data input to the user is converted into hardware state data usable in the distributed simulator 310 of the user interactive simulator 300 by using the hardware-in-the-loop simulation data converter 220.

And transfers the converted hardware state data to the distributed simulator 310 of the user interactive simulator 300 to perform a predetermined operation.

It also receives hardware control data to be delivered to the user interaction hardware 210 from the distributed simulator 310 of the user interactive simulator 300.

And transfers the received hardware control data to the hardware control data usable in the user interaction hardware 210 using the hardware-in-the-loop simulation data converter 220.

And transfers the converted hardware control data to the user interaction hardware 210.

If the result is not the resultant user interworking mode in step S810, there is no flow of data through the user interactor 200. [

The processes after the simulation environment setting (S800) in the process shown in FIG. 9 form a loop and the simulation proceeds.

10 is a data flow diagram of a user interactive simulator according to an embodiment of the present invention.

Referring to FIG. 10, a user interactive simulator 300 according to an embodiment of the present invention receives simulation environment setting data from the simulation environment configurer 500 and sets a simulation environment.

If there is user input data from the user interaction unit 200, the simulation unit 230 receives hardware state data from the user interaction unit 200 to perform simulation. If no user input data exists from the user interaction unit 200 If not, the simulation is performed without hardware state data.

It is determined whether the hardware 110 and the control software 120 exist in the embedded system 100.

When the hardware 110 is not present in the embedded system 100 and only the control software 120 exists, the hardware state data generated by performing the simulation in the distributed simulator 310 of the user interactive simulator 300 is embedded To the control software 120 of the system 100.

Then, the hardware control data generated by the operation of the control software 120 is transferred to the user interactive simulator 300.

If there is data to be transmitted to the user interactive device 200, the hardware control data is transmitted to the user interactive device 200.

In the case where the hardware 110 exists in the embedded system 100 and the control software 120 does not exist, the virtual environment of the user interactive simulator 300 is simulated in order to simulate the virtual environment in the embedded system 100. [ The simulation device manager 320 transfers the hardware control data to the virtual environment simulation device 330.

Then, the hardware state data of the hardware 110 included in the embedded system 100 affected by the virtual environment simulation apparatus 330 is transferred to the user interactive simulator 300.

When the hardware 110 exists in the embedded system 100 and the control software 120 does not exist, the hardware control data generated by the simulation of the distributed simulator 310 is transferred to the hardware of the embedded system 100 110).

The user interactive simulator 300 then receives hardware status data from the virtual environment simulator 330. [

If there is data to be transmitted to the user interactive device 200, the hardware control data is transmitted to the user interactive device 200.

In the case where both hardware and control software exist in the embedded system, the virtual environment simulator 320 of the user interactive simulator 300 simulates the virtual environment simulator 330 ). ≪ / RTI >

The user interactive simulator 300 then receives hardware status data from the virtual environment simulator 330. [

If there is data to be transmitted to the user interactive device 200, the hardware control data is transmitted to the user interactive device 200.

The processes after the simulation environment setting process shown in FIG. 10 form a loop and the simulation proceeds.

11 is a diagram illustrating a user-interactive hardware-in-the-loop simulation test scenario in which hardware is not present according to an embodiment of the present invention.

11, a user-interactive hardware-in-the-loop simulation test scenario in which hardware is not present according to an embodiment of the present invention includes an embedded system 100 and a user interactor 200, Type simulator 300 as shown in FIG.

In the case of the user interworking mode according to the environment setting of the simulation, the user receives the input of the user through the user interaction hardware 210 and sends the hardware state data to the distributed simulator 310 using the user- . Thereafter, the hardware control data is received from the distributed simulator 310 and transferred to the user interacting device 200 using the user-machine interworking common interface 400. The hardware-in-the-loop simulation data converter 220 is used to convert the hardware control data into usable data in the user interaction hardware 210 and then pass it to the user interaction hardware 210. The user interaction hardware 210 is operated by the transmitted hardware control data, thereby allowing the user to feel the environment change of the embedded system.

If there is no user interworking mode, there is no data flow using the user interacting device 200.

In the data flow of the embedded system 100 and the user interactive simulator 300, since the hardware 110 does not exist in the embedded system 100, the hardware simulator 300 is provided with hardware status data And performs a predetermined operation in the control software 120. [ The hardware control data generated through the operation is transferred to the distributed simulator 310. [

The process shown in FIG. 11 forms a loop and the simulation proceeds.

12 is a diagram illustrating a user-interactive hardware-in-the-loop simulation test scenario in which no control software exists in accordance with an embodiment of the present invention.

Referring to FIG. 12, a user-interactive hardware-in-the-loop simulation test scenario in which control software according to an embodiment of the present invention does not exist includes an embedded system 100, a user interactor 200, Type simulator (300).

In the case of the user interworking mode according to the environment setting of the simulation, the user receives the input of the user through the user interaction hardware 210 and sends the hardware state data to the distributed simulator 310 using the user- . And then receives the hardware control data from the distributed simulator 310 and transmits the hardware control data to the user interacting device 200 using the user-machine interworking common interface 400. The hardware-in-the-loop simulation data converter 220 is used to convert the hardware control data into usable data in the user interaction hardware 210 and then pass it to the user interaction hardware 210. The user interaction hardware 210 is operated by the transmitted hardware control data, thereby allowing the user to feel the environment change of the embedded system.

If there is no user interworking mode, there is no data flow using the user interacting device 200.

In the data flow of the embedded system 100 and the user interactive simulator 300, the hardware control data generated by the simulation of the distributed simulator 310 to simulate the virtual environment simulated in the embedded system 100 From the virtual environment simulation apparatus manager 320 to the virtual environment simulation apparatus 330. Then, the hardware state data of the embedded system 100 affected by the virtual environment simulation apparatus 330 is transmitted to the distributed simulator 310. The distributed simulator 310 then transfers the hardware control data generated by the simulation to the hardware 110 and receives the hardware status data from the virtual environment simulator 330.

The process shown in Fig. 12 forms a loop and the simulation proceeds.

13 is a diagram illustrating a user interactive hardware-in-the-loop simulation test scenario according to an embodiment of the present invention.

Referring to FIG. 13, a user-interactive hardware-in-the-loop simulation test scenario according to an exemplary embodiment of the present invention includes an embedded system 100, a user interactor 200, a user interactive simulator 300, .

In the case of the user interworking mode according to the environment setting of the simulation, the user receives the input of the user through the user interaction hardware 210 and sends the hardware state data to the distributed simulator 310 using the user- . Thereafter, the hardware control data is received from the distributed simulator 310 and transferred to the user interacting device 200 using the user-machine interworking common interface 400. The hardware-in-the-loop simulation data converter 220 is used to convert the hardware control data into data usable in the user interaction hardware 210 and then pass it to the user interaction hardware 210. The user interaction hardware 210 is operated by the transmitted hardware control data, thereby allowing the user to feel the environment change of the embedded system.

If there is no user interworking mode, there is no data flow using the user interacting device 200.

In the data flow of the embedded system 100 and the user interactive simulator 300, the hardware control data generated by the simulation of the distributed simulator 310 to simulate the virtual environment simulated in the embedded system 100 From the virtual environment simulation apparatus manager 320 to the virtual environment simulation apparatus 330. Then, the hardware state data of the embedded system 100 affected by the virtual environment simulation apparatus 330 is transmitted to the control software 120. The control software 120 performs a predetermined operation to generate hardware control data and transmits the generated hardware control data to the hardware 110. [ Then, the distributed simulator 310 receives the hardware status data from the virtual environment simulator 330.

The process shown in FIG. 13 forms a loop and the simulation proceeds.

As described above, the user interaction type hardware-in-the-loop simulation apparatus and method for a distributed embedded system according to the present invention are not limited to the configuration and method of the embodiments described above, The embodiments may be configured so that all or some of the embodiments may be selectively combined so that various modifications may be made.

100: Embedded Systems
110: Hardware
111: Hardware interlock
120: Control Software
121: Control software interlock
200: User Interactive
210: User Interaction Hardware
211: Analog-to-digital converter
212: digital / analog converter
220: Hardware-in-the-Loop Simulation Data Converter
300: User interactive simulator
310: Distributed simulator
320: Virtual Environment Simulator Manager
330: virtual environment simulator
400: User-machine interface common interface device
410: User-Interactive Hardware-in-the-Loop Simulation Manager
420: System Preferences
430: Hardware-In-the-Loop Simulation Data Exchange
500: Simulation environment configurator
510: User Interface
520: User-Interactive Hardware-in-the-Loop Simulation Configurator
530: Configuration data transceiver

Claims (1)

Setting a simulation environment in an embedded system including a user-machine interface common interface, a user interactor, and a user interactive simulator using a simulator;
Receiving hardware state data from hardware of the embedded system or user interaction hardware of the user interactor or from a distributed simulator of the user interactive simulator, and computing hardware control data in a control software or a distributed simulator;
Transferring the hardware control data generated in the computing step to the hardware of the embedded system or the user interaction hardware of the user interactor or the distributed simulator of the user interactive simulator; And
Wherein the step of calculating and the step of delivering form a loop,
User-interactive hardware-in-the-loop simulation apparatus and method for distributed embedded systems
KR1020130032975A 2013-03-27 2013-03-27 User interactive hardware-in-the-roop simulation devices and method for distributed embedded system KR20140117962A (en)

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KR20160133291A (en) * 2015-05-12 2016-11-22 국방과학연구소 Simulation device in distribution environment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160133291A (en) * 2015-05-12 2016-11-22 국방과학연구소 Simulation device in distribution environment

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