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Model Optimization and Flow Rate Prediction in Electro-injectors of Diesel Injection Systems

机译：柴油喷射系统电喷油器的模型优化和流量预测

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Modelling and control of the injection process in common rail Diesel engines has attracted the interest of many researches also in recent years. This paper adds a new contribution for accurately modelling electro-injectors. Namely, not only nonlinear dynamics of the fuel flow and electro-mechanical aspects are considered but also a different representation of high-pressure wave propagation in pipes that feed the injector volumes. Model parameters are optimized by an evolutionary technique and a simulation study analyzes the prediction capability of the optimized model. The optimized model shows a superior fitting to experimental data than a nominal and a conventional model, and then it could be profitably used for injection control.
机译：近年来，共轨柴油机喷射过程的建模和控制也引起了许多研究的兴趣。本文为准确建模电喷头增加了新的贡献。即，不仅考虑了燃料流的非线性动力学和机电方面，而且还考虑了高压波在输送给喷射器容积的管道中的传播。通过进化技术优化模型参数，并通过仿真研究分析优化模型的预测能力。优化的模型显示出比标称模型和常规模型更适合实验数据，因此可以有利地用于注射控制。

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