Development Trend of MBSE and Investigation of Concurrent Collaborative Demonstration for Chinese Lunar Exploration Program
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摘要: 中国月球探测面临新发展态势，给月球探测任务的规划论证、总体设计、系统研制和在轨探测等提出了更高要求，当前基于模型的系统工程、并行工程等新方法及新手段受到广泛关注。本文从MBSE（基于模型的系统工程）流程、方法、工具及应用层面对MBSE的现状进行研究，分析其发展趋势。结合中国探月工程任务需求和面临的挑战，设计中国探月工程基于模型的并行协同论证框架，论述了基于依赖图的跨专业、层级、地域的模型一致性维护和基于OSLC（面向生命周期协作的开放服务）的一体化协同论证环境构建等技术方案。通过国际月球科研站的论证设计开展初步应用验证，实现多岗位角色的协同论证，为探月工程全面推进基于模型的系统工程实施提供参考。Abstract: Chinese lunar exploration program is facing a new development situation, which raises higher demands for many aspects of the Chinese lunar exploration mission, including demonstration of plans, overall design, system development and orbital detection. Currently, Model-Based System Engineering (MBSE), concurrent engineering and other new methods and new techniques have received growing attention, both domestically and internationally. In this paper, the research status of MBSE from the aspects of processes, methods, tools and applications, are summarized to analyze the development trends of it. Integrating the project characteristic and mission demands of the Chinese lunar exploration program, the model-based demonstration framework for concurrent and collaborative design is proposed, and then the analysis is conducted on two categories of key technology of the framework. Based on a dependency graph, the consistency maintenance technology across disciplines, levels and regions is proposed. And, the component service packaging integration technology based on OSLC is proposed. The initial application has been conducted on the demonstration and design for International Lunar Research Station, in which multi-roles cooperation is realized, the full synchronization time is less than 1 minute. The designing practice of ILRS provides the instructional framework and practical exploration to comprehensively promote MBSE for further lunar exploration program.
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Key words:
- Lunar exploration program /
- Digitization /
- MBSE /
- Concurrent engineering
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图 1 基于模型的探月工程并行协同论证框架
Figure 1. Model-based demonstration framework for concurrent and collaborative design
图 3 层级式模型结构树中节点的数据结构
Figure 3. Data structure of classifier in tree-structured hierchical model
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