汽车电子开发流程PPT课件
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汽车电子产品软件开发流程英文回答:## Automotive Electronics Software Development Process.The automotive electronics software development process is a complex and multifaceted undertaking that requires a high degree of coordination and collaboration between multiple stakeholders. The process typically involves the following steps:1. Requirements Gathering and Analysis:The first step in the software development process is to gather and analyze the requirements of the automotive electronics system. This involves working closely with the system engineers and other stakeholders to identify the functional, performance, and safety requirements of the system.2. System Design and Architecture:Once the requirements have been gathered and analyzed, the next step is to design the system architecture. This involves defining the overall structure of the system, including the hardware and software components, and the communication protocols between them.3. Software Development:Once the system architecture has been designed, thenext step is to develop the software. This involves writing, testing, and integrating the software components that make up the system.4. Hardware Integration:Once the software has been developed, it must be integrated with the hardware components of the system. This involves physically connecting the hardware components and configuring the software to work with them.5. System Testing and Validation:Once the system has been integrated, it must be tested and validated to ensure that it meets the requirements of the stakeholders. This involves conducting a variety of tests, including functional testing, performance testing, and safety testing.6. Deployment and Maintenance:Once the system has been tested and validated, it can be deployed to the end users. The software development team must then provide ongoing maintenance and support for the system throughout its lifecycle.## Key Considerations in Automotive Electronics Software Development.The automotive electronics software development process is subject to a number of unique challenges and considerations, including:Safety: Automotive electronics systems are critical to the safety of the vehicle and its occupants. As such, the software development process must adhere to strict safety standards and regulations.Reliability: Automotive electronics systems must be highly reliable and able to operate in a variety of harsh conditions. The software development process must therefore focus on ensuring the reliability of the system.Cost: Automotive electronics systems can be expensive to develop and produce. The software development process must therefore be efficient and cost-effective.Time-to-market: Automotive electronics systems must be developed and released to market in a timely manner. The software development process must therefore be optimizedfor speed and efficiency.## Best Practices for Automotive Electronics Software Development.There are a number of best practices that can help to ensure the success of an automotive electronics software development project. These practices include:Use a model-based development approach: A model-based development approach can help to reduce the risk of errors and improve the quality of the software.Adhere to industry standards: There are a number of industry standards that can help to ensure the safety, reliability, and quality of automotive electronics software.Conduct thorough testing and validation: Testing and validation are essential to ensure that the software meets the requirements of the stakeholders.Maintain a comprehensive software development process: A comprehensive software development process can help to ensure the consistency and quality of the software.Work closely with the system engineers: The software development team must work closely with the systemengineers to ensure that the software meets the system requirements.中文回答:## 汽车电子产品软件开发流程。
汽车电子解决方案1. 概述汽车作为机电类产品,电子系统是其重要的组成部份。
日趋严格的法规及对安全与舒适性的更高要求使得ECU 软件愈来愈复杂。
车辆的动力性、舒适性和排放在很大程度上依赖于用于车辆动力系统的电控单元(ECU)的质量。
面对着电控系统功能不断增强而开发周期却不断缩短的要求,软件开发工程师的压力也愈来愈大。
控制系统参数的彼此影响,工作状态的转变,传感器与执行器的失效,加大了自动诊断系统设计的难度,同时由于软件的复杂性,使得对软件的测试也变得愈来愈困难。
采用传统的ECU 开发流程已经难以完成现代控制系统的设计。
传统的汽车电子系统开发进程中,人们首先需要按照调查情况用文字说明的方式概念需求和设计目标,然后由设计工程师按照以往的经验提出系统的结构,并交由硬件工程师设计系统的硬件电路,并由控制工程师设计控制方案及算法,并将控制策略以解析或图表的方式表达出来;这种控制策略会交给专门的软件工程师来通过软件编程实现。
最后,系统工程师将软件工程师生成的代码与硬件电路集成,生成完整的控制系统,并在实验台架上对控制器进行测试。
以上的开发流程存在许多问题,首先,硬件电路先于控制策略的设计;其次,手工编程无法逾越许多障碍,如,对算法的理解,手工编程无法避免的错误,代码的可读性及继承性等等;当控制系统设计的方案需要修改时,其本钱和代价和一个新系统开发相当。
因此咱们必需应用现代的ECU 开发流程,将设计基于计算机辅助工具来进行的,它可以支持从需求概念直到最终产品的全进程。
国外汽车著名开发商(如: Bosch, UAES, VW, GM, AVL, BMW, Conti, Ford 等)普遍采用现代的设计开发流程:功能仿真—快速原型验证—自动代码生成—硬件在环测试—台架及装车测量/标定所组成的“V 模式”。
新的开发流程符合国际汽车行业标准(ASAM/ASAP),可以结合现有的测试系统组成统一的从开发到标定,已经成为国际汽车电子产品开发的标准流程。