基于OBD数据的0D/1D模型的校准,用于快速重新映射SI发动机ECU
Adrian Irimescu1, Simona Silvia Merola1
1Science and Technology Institute for Sustainable Energy and Mobility STEMS-CNR, Via G. Marconi 4, 80125 Napoli, Italy.
MethodsX
|June 11, 2025
概括
通过使用新的0D/1D模型校准方法,简化了替代燃料 (如) 的ECU重绘. 这项技术利用车载诊断数据,在火花点燃发动机中准确且具有成本效益的电子控制单元软件调整.
科学领域:
- 内部燃烧发动机 内部燃烧发动机
- 其他替代燃料 替代燃料
- 发动机控制系统 发动机控制系统
背景情况:
- 将内燃机适应替代燃料需要电子控制单元 (ECU) 软件修改,通常称为重新映射.
- 传统的重新映射方法通常涉及复杂的数值和实验技术.
- 火花点火 (SI) 发动机需要精确调整注射时间和点火时间等参数.
研究的目的:
- 为替代燃料开发一个时间和成本效益高的ECU重绘方法.
- 为了实现可接受的准确性,即使对于具有与汽油显著不同的特性,如气等燃料的重新映射.
- 通过使用原始设备制造商 (OEM) ECU数据验证新型号校准程序.
主要方法:
- 利用0D/1D建模用于动力单元模拟.
- 开发了一个新的模型校准程序,使用通过车载诊断 (OBD) 端口获得的OEM ECU数据.
- 通过记录两个不同的SI功率单元的数据来验证模型校准.
主要成果:
- 成功校准了一个0D/1D模型,使用来自OEMECU的现有控制参数.
- 证明开发的方法允许准确的ECU重新映射.
- 为替代燃料,包括气,实现了时间和成本效益的重新规划.
结论:
- 拟议的0D/1D模型校准程序为替代燃料的ECU重新绘制提供了一种有效的方法.
- 利用OBD数据简化了校准过程,使其易于访问和具有成本效益.
- 这种方法可以在SI发动机中使用多种不同的替代燃料,并具有可接受的准确性.
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