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首页> 外文会议>SAE Commercial Vehicle Engineering Congress and Exhibition >On-Target Rapid Prototyping: A Practical Approach for Bootstrapping Production ECU Software Development
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On-Target Rapid Prototyping: A Practical Approach for Bootstrapping Production ECU Software Development

机译：目标快速原型设计：一种自动启动生产ECU软件开发的实用方法

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Rapid control prototyping (RCP) is a widely used technique for verifying a controller's functional behavior. Typically, RCP uses a target processor with ample processing power and memory, which makes the technique attractive for engineers exploring new concepts. However, a large gap often exists between the RCP target and the production ECU in terms of the available code generation technology, the supporting tool chain, and I/O hardware. Consequently, significant work is required when migrating a controller from RCP to production. Furthermore, due to cost constraints, RCP systems are difficult to deploy in large numbers for fleet testing or preproduction trials. In response to the challenges associated with RCP, automotive engineers are moving towards a technique called ontarget rapid prototyping (OTRP). With OTRP, the code is generated, cross-compiled, and downloaded either to the ECU used in production or a development version of it with additional memory and instrumentation support. OTRP enables engineers to use the same code generator, supporting tool chain, and ECU hardware during development, simplifying the migration to production. In addition, due to the relatively low cost of development ECUs, OTRP systems can be deployed in large quantities. This paper provides an introduction to Model-Based Design and OTRP, a step-by-step approach for getting started with OTRP using a new algorithm export technique, and considerations for moving from OTRP to production. An application example is provided to illustrate how OTRP has been effectively used for a production-intent ECU program, which includes a novel external mode implementation on a resource constrained fixed-point embedded system.
机译：快速控制原型（RCP）是一种广泛使用的技术，用于验证控制器的功能行为。通常，RCP使用具有充分处理电源和内存的目标处理器，这使得该技术对于探索新概念的工程师具有吸引力。然而，在可用的代码生成技术，支持工具链和I / O硬件方面，RCP目标和生产ECU之间通常存在大的差距。因此，将控制器从RCP迁移到生产时，需要大量的工作。此外，由于成本限制，RCP系统难以为车队测试或预生产试验大量部署。为了响应与RCP相关的挑战，汽车工程师正在朝向呼吸快速原型（OTRP）的技术。使用OTRP，使用额外的内存和仪器支持，生成，交叉编译和下载ECU的代码，并将其下载到ECU或其开发版本。 OTRP使工程师能够在开发过程中使用相同的代码生成器，支持刀具链和ECU硬件，简化了生产的迁移。此外，由于开发ECU成本相对较低，OTRP系统可以大量部署。本文介绍了基于模型的设计和OTRP，使用新的算法出口技术进行了逐步的方法，以及从OTRP转向生产的考虑因素。提供了一个应用示例以说明OTRP如何有效地用于生产意图ECU程序，其包括资源受限定点嵌入式系统上的新型外部模式实现。

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