基于发动机ECU开发的双路并行系统参量获取技术研究

基于发动机ECU双路并行开发系统试验平台,开展了待开发V-ECU对原机P-ECU运行参量实时获取技术的研究与开发。在P-ECU控制发动机正常运转情况下,依据CCP协议提供DAQ功能原理,通过V-ECU向P-ECU发送一系列CCP协议命令组合,使能P-ECU中的DAQ功能,实现对P-ECU内部运行参量的灵活、高速实时获取与运算。试验表明,此系统获取P-ECU内部参量速度足够快,能满足发动机ECU控制算法优化需求,并显著提升优化效率,为高效优化V-ECU内部自主开发控制算法提供了一条有效途径,同时也为获取ECU中内部变量提供了一种新思路。

Research on Parameter Acquisition for Dual Parallel System Based on Engine ECU Development

Based on the engine dual-parallel ECU system platform test platform, carried out on the original P-ECU parameter information real-time acquisition system research and development. In the condition of the P-ECU control engine normal operating, the DAQ function of the P-ECU provided by the CCP protocol is enabled by the V-ECU, and the P-ECU internal parameters are accessed and used flexible and in high-speed. The experiment shows that the system can meet the optimization requirements of the engine ECU control algorithm and can improve the optimization efficiency remarkably, and lay the foundation for continuously optimizing the V-ECU internal self-developed control algorithm to make the V-ECU to achieve the original P-ECU level in engine control.