Digital Twins for Space Factory 4.0

T. W. Martins, R. Anderl
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引用次数: 7

Abstract

Aiming the rapid response of mega constellation of satellites to cover the increasing demand for Earth observation and communication, in-orbit manufacturing is a promising approach. Driven by the NewSpace, which is leading a paradigm change in the space industry, the project Space Factory 4.0 has been founded to establish new processes and technologies based on the Industrie 4.0 approaches for rapid satellite assembly on an in-orbit platform. One of its fundamental approaches and the main contribution of this paper is the Digital Twins. In the scope of a Space Factory 4.0, the Digital Twin is a holistic approach for supporting and controlling systems for in-orbit Assembly, Integration, and Test processes, as well as satellite operations, by establishing a bidirectional link to its physical counterpart. It is an essential approach to obtain a digital representation of the current state of the real product at any time, enabling the recognition of and reaction to disruptive parameters at an early stage. To model Digital Twins and to meet the specific requirements of a Space Factory 4.0, such as the capability of sending telecommands and processing telemetry data, an extension of Industrie 4.0 component, called Space Factory 4.0 component, is proposed. This paper discusses this concept, its implementation and the results obtained and concludes to discuss its benefits and potentials for the space industry.
太空工厂4.0的数字双胞胎
针对大型卫星星座的快速响应,以满足日益增长的对地观测和通信需求,在轨制造是一种很有前途的方法。在引领航天工业范式变革的新航天公司的推动下,航天工厂4.0项目的建立是为了建立基于工业4.0方法的新工艺和技术,以便在在轨平台上快速组装卫星。它的基本方法之一和本文的主要贡献是数字双胞胎。在空间工厂4.0的范围内,数字孪生是一种整体方法,通过建立与其物理对应物的双向链接,支持和控制在轨装配、集成和测试过程以及卫星操作系统。在任何时候获得真实产品当前状态的数字表示是一种必不可少的方法,可以在早期阶段识别和响应破坏性参数。为了对数字孪生模型进行建模,并满足空间工厂4.0的特定需求,如发送远程指令和处理遥测数据的能力,提出了工业4.0组件的扩展,称为空间工厂4.0组件。本文讨论了这一概念、实施和取得的成果,最后讨论了其对航天工业的效益和潜力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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