GB/T 38554-2020 in English
VALIDGeneral requirements for simulation service used in cloud manufacturing
- Issued on:2020-03-06
- Implemented on:2020-10-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
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| Standard No: | GB/T 38554-2020 |
| Document status: | VALID |
| Title in English: | General requirements for simulation service used in cloud manufacturing |
| Title in Chinese: | 云制造仿真服务通用要求 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 1~3 business days |
| Issued on: | 2020-03-06 |
| Implemented on: | 2020-10-01 |
| ICS Classification: | 35.240.50-IT applications in industry |
| Chinese Classification: | J07-Computer application |
| Professional Classification: | GB-National Standard |
| Related Topics: | simulation
to imitate exon emulation Manufacturing Services Basics near field simulation The role of simulation Simulation sample box GBT38554 GB/T 38554-2020 simulator quotes Simulation International Chinese military simulation Optical Simulation |
《GB/T 38554-2020云制造仿真服务通用要求》由TC159（全国自动化系统与集成标准化技术委员会）归口，TC159SC5（全国自动化系统与集成标准化技术委员会体系结构、通信和集成框架分会）执行，主管部门为中国机械工业联合会。
Introduction
Analysis of the core framework of the standard
| Service type | Technical characteristics | Applicable scenarios | Interface standards |
|---|---|---|---|
| Single component simulation service | Single soft/hard simulation resource combination | Computational intensive tasks | Appendix B Interface model |
| Multi-component simulation service | Dynamic collaboration of multiple services | Multi-disciplinary verification of complex products | HLA/FMI/OWL-S |
Detailed explanation of key technical requirements
1.
Clause 5.1 of the standard clearly requires that service encapsulation must include three types of core interfaces:
- Input and output interface: support parameter passing and result return
- State monitoring interface: real-time feedback of service operation status
- Response control interface: includes state guard conditions and conversion mechanisms
Typical application case
A certain aerospace design institute uses a standardized single-component service interface to dynamically combine the ANSYS simulation software with a cloud-based GPU cluster to improve the efficiency of fluid mechanics simulation by 300%.
2. Multi-component collaborative implementation path
Standard clause 6.2 proposes two collaborative modes:
- Model online service: Component serialization call based on OWL-S
- Multi-user collaborative simulation: Use HLA/FMI standards to build simulation federation
| Collaboration standards | Technical advantages | Industrial applications |
|---|---|---|
| HLA | Support distributed object model interoperability | Multi-disciplinary collaborative development of the whole vehicle |
| FMI | Cross-platform model exchange capability | Joint simulation of electromechanical systems |
Recommendations for the implementation of the standard
1. Standardization of resource description
Refer to Appendix A to establish a unified resource description template, with the following key points:
- Computing resources: static attributes such as the number of CPU cores and memory
- Software resources: dynamic attributes such as version compatibility
2. Scheduling optimization strategy
For the scheduling process shown in Figure 1, it is recommended that:
- Establish a resource load prediction model
- Dynamic adjustment of task priority
- Develop a self-recovery mechanism for abnormal states
Implementation effect of a certain aircraft engine company
Through the standardized scheduling system, the completion time of multi-component collaborative simulation tasks was shortened from 72 hours to 8 hours.
Technology evolution trend
The evolution relationship between this standard and GB/T29826-2013:
- 2013 version: Defines the basic terminology system of cloud manufacturing
- 2020 version: Refines the implementation path of simulation service technology
- Future direction: Deep integration of digital twins and cloud manufacturing
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