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The Functional Safety Analysis and Design of Dual-Motor Hybrid Bus Clutch System

机译:双电机混合母线离合器系统的功能安全性分析与设计

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Based on the GB/T 34590 functional safety standard, this paper analyzes the failure of the clutch system of a dual-motor hybrid bus and determines the Automotive Safety Integrity Level (ASIL) of different failure modes. Finally, it is confirmed that the clutch system needs to meet ASIL B. In order to achieve this level of safety, the hardware and software architecture of the clutch control system was designed, and the clutch state control and diagnostic module of the software architecture was introduced in detail. Finally, a hardware test and a software test method for system integration are described according to the safety level.
机译:基于GB / T 34590功能安全标准,本文分析了双电机混合总线离合器系统的故障,并确定了不同故障模式的汽车安全完整性水平(ASIL)。最后,确认离合器系统需要满足ASIL B.为了实现这种安全水平,设计了离合器控制系统的硬件和软件架构,并且软件架构的离合器状态控制和诊断模块是详细介绍。最后,根据安全级别描述了用于系统集成的硬件测试和软件测试方法。

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