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首页> 外文会议>The 20th international electric vehicle symposium and exposition (EVS-20): powering sustainable transportation >Design of a Hybridized Fuel Cell/Electric Commuter Vehicle Powertrain using a Top Down Design Methodology
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Design of a Hybridized Fuel Cell/Electric Commuter Vehicle Powertrain using a Top Down Design Methodology

机译：使用自顶向下的设计方法设计混合燃料电池/电动通勤车动力总成

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When designing a fuel cell/electric hybrid vehicle, integration of drivetrain components is arncritical task. Early in the design process, engineers often have limited information about thernspecific components that will be used in the design. Only toward the end of the design processrnare the actual components available for system integration. A top-down design methodologyrnusing mixed-technology simulation is well suited to this sort of design process.rnIn a top-down design process using simulation, engineers start with simple simulation models ofrneach component to get a general idea of how all components will work together. This top-levelrndesign might also be used to create specifications for individual components. Then, as morerndetailed information becomes available from component suppliers about the actual behavior ofrnreal components, simple models are progressively replaced with more accurate simulationrnmodels. In final stages of the design process, integration engineers use accurate models forrncritical components and simple models for non-critical components to verify performancernspecifications under operating conditions.rnThroughout the top-down design process, the ability to simulate high-level abstract systemsrnthrough low-level device-based systems in a single software package is critical. Availability of arnsimulation tool which allows seamless mixed-signal design is critical.rnThis paper demonstrates the top down design process of a single-seat fuel cell/electric hybridrncommuter vehicle powertrain using the Saber® Designer design environment from Synopsys.
机译：在设计燃料电池/电动混合动力汽车时，传动系统组件的集成是一项至关重要的任务。在设计过程的早期，工程师通常对有关将在设计中使用的特定组件的信息有限。只有在设计过程即将结束时，才可以使用实际组件进行系统集成。使用混合技术仿真的自上而下的设计方法非常适合此类设计过程。在使用仿真的自上而下的设计过程中，工程师从每个组件的简单仿真模型入手，以大致了解所有组件如何协同工作。此顶级设计还可用于创建单个组件的规范。然后，随着组件供应商提供有关真实组件实际行为的更多详细信息，简单模型逐渐被更精确的仿真模型所取代。在设计过程的最后阶段，集成工程师使用关键组件的准确模型和非关键组件的简单模型来验证操作条件下的性能规格。在整个自上而下的设计过程中，可以模拟从低级到高级的抽象系统。单个软件包中基于设备的系统至关重要。能够进行无缝混合信号设计的仿真工具的可用性至关重要。本文演示了使用Synopsys的Saber®Designer设计环境进行的单座燃料电池/电动混合动力通勤车动力总成的自上而下的设计过程。

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