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首页> 外文会议>SAE Commercial Vehicle Engineering Congress >New Model-Based Paradigm: Developing Embedded Software to the Functional Safety Standards, as ISO 26262, ISO 25119 and ISO 13849 through an efficient automation of Sw Development Life-Cycle
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New Model-Based Paradigm: Developing Embedded Software to the Functional Safety Standards, as ISO 26262, ISO 25119 and ISO 13849 through an efficient automation of Sw Development Life-Cycle

机译：基于新型的基于模型的范例：通过高效自动化的SW开发生命周期，将嵌入式软件作为ISO 26262，ISO 25119和ISO 13849开发为ISO 26262，ISO 25119和ISO 13849

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Using a Model-based approach to the embedded software development process contributed significantly in reducing the development time while also supporting a high quality level of the software code implementation. However, based on our experience with CNH Industrial application scenarios, involving multiple suppliers from vehicle ECU to the engine ECU, it only addressed the need of the implementation phase without any consistent influence in other software development life-cycle phases such as requirements and specification. Mandatory functional safety requirements, new complex functionalities, and reducing time to delivery while maintaining high quality level of software are driving factors in our new software development projects. Ideally the adoption of international standards, as for example the ISO 12007, and the safety standards, as the ISO 26262, ISO 25119 and ISO 13849, should represent a consistent guide to develop software. In this approach, the adoption of them should satisfy both the development guidelines and recommendations while at the same time to meeting application scenario requirements. A new way of thinking of functional safety projects is based on the concept that the software is the evolution of semi-finished product, on which each actor, System Engineer and Software Engineer, introduces added value. Further the exchange between phases (roles) will allow for a more fluid, iterative exchange of work products avoiding a ridge formal structure. Therefore, the model-based approach should be extended to other areas such as System Engineering, that today seems to be an island where the time is stopped. In other words, Model-Based is important, even mandatory, for the full application of the concept of executable specification. For the adoption of external automation tools each tool should have an internal sponsor who balances the timing and budget constraints of adoption against the eventual cost reduction. An appropriate customization timeline should be evaluated before their introduction in the current Sw development process.
机译：在降低开发时间的同时，使用基于模型的软件开发过程的贡献显着贡献，同时还支持高质量的软件代码实现。但是，根据我们对CNH工业应用方案的经验，涉及从车辆ECU到发动机ECU的多个供应商，它只解决了实施阶段的需要，而在其他软件开发生命周期阶段（如要求和规范）而没有任何一致影响。强制性的功能安全要求，新的复杂功能，以及减少交付时间，同时保持高质量的软件水平是我们新的软件开发项目中的推动因素。理想地，通过国际标准，例如ISO 12007和安全标准，作为ISO 26262，ISO 25119和ISO 13849，应表示一个始终如一的开发软件指南。在这种方法中，他们的采用应该满足发展准则和建议，同时满足应用方案要求。一种新的思维方式的功能安全项目是基于该软件是半成品的演变的概念，每个演员，系统工程师和软件工程师都介绍了附加值。此外，阶段之间的交换（角色）将允许更流体，迭代的工作产品交换，避免脊形式结构。因此，基于模型的方法应该扩展到诸如系统工工的其他领域，今天似乎是一个岛屿停止的岛屿。换句话说，基于模型是重要的，即使是强制性的，对于可执行规范的概念完全应用。为了采用外部自动化工具，每个工具都应有一个内部赞助商，该内部赞助商平衡了采用的时机和预算限制，以防止最终降低成本。应在当前SW开发过程中引入之前进行适当的定制时间表。

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