CN113051040A - Remote distributed joint simulation method in different places - Google Patents
Remote distributed joint simulation method in different places Download PDFInfo
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- CN113051040A CN113051040A CN202110453260.4A CN202110453260A CN113051040A CN 113051040 A CN113051040 A CN 113051040A CN 202110453260 A CN202110453260 A CN 202110453260A CN 113051040 A CN113051040 A CN 113051040A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/54—Interprogram communication
- G06F9/547—Remote procedure calls [RPC]; Web services
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
- G06F2009/45575—Starting, stopping, suspending or resuming virtual machine instances
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
- G06F2009/45591—Monitoring or debugging support
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
- G06F2009/45595—Network integration; Enabling network access in virtual machine instances
Abstract
The invention discloses a remote distributed combined simulation method at different places, which is characterized in that a virtual integrated simulation environment is configured and formed by calling shared simulation resources on a cloud platform through remote distributed nodes at different places, so as to realize the virtual integrated simulation of remote distributed models at different places, specifically, a simulation model of each distributed node is converted into a simulation task capable of running in real time by calling a model adaptation service based on cloud, a virtual integrated bus based on a shared memory bus technology is called, and the real-time and coordinated simulation running of the distributed models is realized by combining a synchronous/asynchronous combined simulation running mechanism. The invention belongs to the technical field of airborne system simulation, and particularly provides a remote distributed joint simulation method which adopts a cloud-based simulation resource library as a center and service-oriented architecture, realizes remote distributed joint simulation in different places, and can meet the requirements of integration and joint simulation operation of various types of distributed models.
Description
Technical Field
The invention belongs to the technical field of airborne system simulation, and particularly relates to a remote distributed joint simulation method in different places.
Background
With the progress of the technology, the complexity of the airborne system is increased in a super linear way, the cross-linking relation between the airborne systems is more and more complex, the requirement of cross-region remote joint simulation testing of the airborne system is stronger, on one hand, system-level virtual integration is developed at the early stage of the development of the airborne system, and therefore a great amount of cost and time loss caused by the fact that design errors can be found and corrected during the integration period of the switchboard are avoided. On the other hand, the cross-system-level joint simulation test cannot be carried out in the design stage. The invention provides a remote distributed combined simulation method in different places, which has important significance in the application of a cross-region combined simulation test of an airborne system unit in each development stage in the future.
Patent document CN111880433A (application number: CN202010627292.7) discloses a remote heterogeneous semi-physical simulation test task automation implementation system and method, and proposes a remote heterogeneous semi-physical simulation test automation method based on a dual-network C/S architecture. The method is characterized in that a client-server architecture of a remote heterogeneous Ethernet and a reflective memory network is built, full-process automatic operation of a test task is realized, the application uses the Ethernet and the reflective memory network as basic architectures, and the effective action distance of the Ethernet and the reflective memory network limits that the method can only be applied to remote interconnection among different laboratories in the same regional range, but can not realize cross-regional combined simulation.
Patent document CN104899404A (application number: CN201510393815.5) discloses a simulation cloud platform and an implementation method, which integrates the existing workstation, server and finite element analysis tool, establishes a cloud computing analysis platform, and implements remote instant and collaborative simulation, and the method implements remote instant simulation for specific disciplines based on the cloud platform, and implements remote instant simulation for specific disciplines based on the cloud platform, which cannot meet the requirement of remote heterogeneous model joint simulation.
Disclosure of Invention
In order to solve the existing problems, the invention provides a remote distributed joint simulation method for different places, which adopts a cloud-based simulation resource library as a center and service-oriented architecture, realizes remote distributed joint simulation for different places, provides basic simulation resource sharing and multiplexing service for cross-regional airborne units through a simulation resource sharing mechanism based on a cloud platform, and can meet the requirements of integration and joint simulation operation of various types of distributed models.
The technical scheme adopted by the invention is as follows: a remote distributed joint simulation method in different places comprises the following steps:
1) the cloud platform is deployed with a virtual integrated bus, a model adapter, a simulation management tool, a data acquisition monitoring tool, a data excitation tool and flight simulation environment simulation resources, a service layer of the platform encapsulates and registers the simulation resources of the platform as services, and basic simulation resources provided by the cloud platform are accessed to a remote user side through a service interface;
2) the method comprises the steps that the authority control of different remote users on the acquisition of cloud platform simulation resources is realized through the role authority control of a cloud platform;
3) each remote user in different places calls a test configuration management service provided by the cloud platform in a browser page access mode, configures basic simulation resources such as a virtual integrated bus, a model adapter, a simulation management tool and the like required by the current test, applies for the service as required, and forms a virtual integrated simulation environment for the current combined simulation task;
4) evaluating a customized virtual integrated simulation environment, generating a virtual container for a specific virtual integrated simulation task by a platform, virtualizing basic computer resources by a cloud platform and then uniformly managing the basic computer resources, distributing the basic computer resources as required, realizing the efficient utilization of shared cloud resources and forming the efficient utilization of infrastructure resources;
5) each remote user in different places calls a model adaptation service provided by the cloud platform in a browser page access mode, configures the mapping relation between the input and output parameters of the model and bus data, analyzes the model, generates a source code which can be integrated with the bus by combining a bus control interface function, and finally compiles and links to generate an executable file;
6) uploading the locally generated executable file to a cloud platform and operating to form a simulation task which can be integrated with a bus;
7) the simulation bus is developed based on the virtual shared memory, each simulation task is used as an application program which runs independently, and data interaction among models is realized by reading and writing data of the virtual shared memory;
8) in the data interaction process of multi-model joint simulation, based on a read-write synchronization mechanism of a virtual shared memory, each simulation task separately processes read and write operations of the shared memory, so that the cooperative operation of the multi-model joint simulation is ensured;
9) remote users in different places send simulation control command information to the bus by calling the simulation management service, and each simulation task receives simulation
A control command, which operates according to a specified working mode;
10) supporting independent setting of synchronous/asynchronous working modes of respective simulation tasks, and supporting mixed working of synchronous and asynchronous by virtual integrated simulation environment
Mode operation;
11) and the remote user at different places acquires the test data by calling the data monitoring service, configures the test data to be monitored and displays the test data in a graphical manner.
Further, the basic computer resources in step 4) include computing resources, network resources and storage resources.
Further, the specific content of the simulation task in the step 6) includes receiving bus control, feeding back the running state of the task, and performing data interaction with the bus.
Further, the simulation control command information in step 9) includes real-time, acceleration, timeout setting, and simulation task start, pause, single step, and snapshot operation.
By adopting the scheme, the invention has the following beneficial effects: the remote distributed joint simulation method in different places, based on the flexible configuration and reuse mechanism of the shared resources of the cloud platform, realizes remote joint simulation in different places, takes the shared resources as the center and the service-oriented architecture, constructs an open and flexible virtual integrated simulation environment based on the cloud platform, realizes the sharing and reuse of the simulation resources and the infrastructure resources, and adopts the cloud-based simulation resource library as the center and the service-oriented architecture, thereby realizing cross-regional joint simulation on one hand and ensuring that the joint simulation is not limited between laboratories in a local area or in the laboratories; on the other hand, the cloud-based simulation resource is used as the center, and a mechanism for converging, integrating and reusing the universal simulation resource is formed, so that the high-efficiency utilization of the resource and the high-efficiency cooperation of the simulation are facilitated.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
FIG. 1 is a general architecture block diagram of a remote distributed co-simulation method of the present invention;
FIG. 2 is a flow chart of a remote distributed co-simulation method in different places according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 2, the remote distributed joint simulation method in different places of the present invention includes the following steps:
1) the cloud platform is deployed with various simulation resources including a virtual integrated bus, a model adapter, a simulation management tool, a data acquisition monitoring tool, a data excitation tool, a flight simulation environment and the like, a service layer of the platform encapsulates and registers the simulation resources of the platform as services, and basic simulation resources provided by the cloud platform are accessed to a remote user side through a service interface;
2) the method comprises the steps that the authority control of different remote users on the acquisition of cloud platform simulation resources is realized through the role authority control of a cloud platform;
3) each remote user in different places calls a test configuration management service provided by the cloud platform in a browser page access mode, configures basic simulation resources such as a virtual integrated bus, a model adapter, a simulation management tool and the like required by the current test, applies for the service as required, and forms a virtual integrated simulation environment for the current combined simulation task;
4) evaluating a customized virtual integrated simulation environment, generating a virtual container for a specific virtual integrated simulation task by a platform, virtualizing basic computer resources by a cloud platform and then uniformly managing the basic computer resources, distributing the basic computer resources as required, realizing the efficient utilization of shared cloud resources and forming the efficient utilization of infrastructure resources;
5) and calling a model adaptation service provided by the cloud platform by remote users in different places in a browser page access mode to complete the following functions:
importing a model, automatically analyzing the scan/simulink model, and extracting model interface information: which parameters and input and output are needed by the model, including the data type, initial value, etc. thereof; configuring the mapping relation between input and output variables and data in a real-time bus; automatically generating adapter code:
reading a data mapping table, reading data from a data bus, submitting a result to the data bus, and receiving a scheduling instruction; automatically packaging the model and the adapter code to form an executable simulation task; generating a source code which can be integrated with a bus by combining a bus control interface function, and finally compiling and linking to generate an executable file;
6) uploading the locally generated executable file to a cloud platform and operating to form a simulation task which can be integrated with a bus;
7) the simulation bus is developed based on the virtual shared memory, each simulation task is used as an application program which runs independently, and data interaction among models is realized by reading and writing data of the virtual shared memory;
8) in the data interaction process of multi-model joint simulation, based on a read-write synchronization mechanism of a virtual shared memory, each simulation task separately processes read and write operations of the shared memory, so that the cooperative operation of the multi-model joint simulation is ensured;
9) the remote user at different places realizes the following functions by calling the simulation management service: configuring simulation related parameters in the simulation task, such as server information, synchronization time interval, timeout time interval and the like; adjusting parameters such as real-time or acceleration mode, real-time monitoring parameters and the like according to the requirements of the simulation task; checking each simulation task, initializing each simulation task, and restoring the simulation tasks to a specified state according to the definition. In the process of executing the simulation task, operations such as starting, pausing, single step, snapshot and the like can be carried out according to needs; to the bus
Sending simulation control command information, receiving the simulation control command by each simulation task, and operating according to a specified working mode;
10) supporting independent setting of synchronous/asynchronous working modes of respective simulation tasks, and supporting mixed working of synchronous and asynchronous by virtual integrated simulation environment
Mode operation;
11) and the remote user at different places acquires the test data by calling the data monitoring service, configures the test data to be monitored and displays the test data in a graphical manner.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (4)
1. A remote distributed joint simulation method in different places is characterized by comprising the following steps:
1) the cloud platform is deployed with a virtual integrated bus, a model adapter, a simulation management tool, a data acquisition monitoring tool, a data excitation tool and flight simulation environment simulation resources, a service layer of the platform encapsulates and registers the simulation resources of the platform as services, and basic simulation resources provided by the cloud platform are accessed to a remote user side through a service interface;
2) the method comprises the steps that the authority control of different remote users on the acquisition of cloud platform simulation resources is realized through the role authority control of a cloud platform;
3) each remote user in different places calls a test configuration management service provided by the cloud platform in a browser page access mode, configures basic simulation resources such as a virtual integrated bus, a model adapter, a simulation management tool and the like required by the current test, applies for the service as required, and forms a virtual integrated simulation environment for the current combined simulation task;
4) evaluating a customized virtual integrated simulation environment, generating a virtual container for a specific virtual integrated simulation task by a platform, virtualizing basic computer resources by a cloud platform and then uniformly managing the basic computer resources, distributing the basic computer resources as required, realizing the efficient utilization of shared cloud resources and forming the efficient utilization of infrastructure resources;
5) each remote user in different places calls a model adaptation service provided by the cloud platform in a browser page access mode, configures the mapping relation between the input and output parameters of the model and bus data, analyzes the model, generates a source code which can be integrated with the bus by combining a bus control interface function, and finally compiles and links to generate an executable file;
6) uploading the locally generated executable file to a cloud platform and operating to form a simulation task which can be integrated with a bus;
7) the simulation bus is developed based on the virtual shared memory, each simulation task is used as an application program which runs independently, and data interaction among models is realized by reading and writing data of the virtual shared memory;
8) in the data interaction process of multi-model joint simulation, based on a read-write synchronization mechanism of a virtual shared memory, each simulation task separately processes read and write operations of the shared memory, so that the cooperative operation of the multi-model joint simulation is ensured;
9) remote users in different places send simulation control command information to the bus by calling the simulation management service, and each simulation task receives the simulation control command and operates according to a specified working mode;
10) the synchronous/asynchronous working mode of respective simulation tasks is supported to be independently set, and the virtual integrated simulation environment supports the operation in a synchronous and asynchronous mixed working mode;
11) and the remote user at different places acquires the test data by calling the data monitoring service, configures the test data to be monitored and displays the test data in a graphical manner.
2. The remote distributed co-simulation method according to claim 1, wherein the basic computer resources of step 4) comprise computing resources, network resources and storage resources.
3. The remote distributed co-simulation method according to claim 1, wherein the specific contents of the simulation task in step 6) include accepting bus control, feeding back task running status, and performing data interaction with the bus.
4. The remote distributed co-simulation method according to claim 1, wherein the simulation control command information of step 9) includes real-time, acceleration, timeout setting, and simulation task start, pause, single step, snapshot operation.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113746683A (en) * | 2021-09-15 | 2021-12-03 | 北京航空航天大学 | Interconnection, intercommunication and interoperation simulation method under cross-domain environment |
| CN114237073A (en) * | 2021-11-25 | 2022-03-25 | 中国运载火箭技术研究院 | Remote single-step strong real-time simulation system |
| CN114745285A (en) * | 2022-04-11 | 2022-07-12 | 电子科技大学 | Large-scale distributed virtual network simulation method based on virtual container |
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2021
- 2021-04-26 CN CN202110453260.4A patent/CN113051040A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113746683A (en) * | 2021-09-15 | 2021-12-03 | 北京航空航天大学 | Interconnection, intercommunication and interoperation simulation method under cross-domain environment |
| CN114237073A (en) * | 2021-11-25 | 2022-03-25 | 中国运载火箭技术研究院 | Remote single-step strong real-time simulation system |
| CN114237073B (en) * | 2021-11-25 | 2024-03-26 | 中国运载火箭技术研究院 | Remote single-step strong real-time simulation system |
| CN114745285A (en) * | 2022-04-11 | 2022-07-12 | 电子科技大学 | Large-scale distributed virtual network simulation method based on virtual container |
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