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首页> 外文会议>Transportation, Mechanical, and Electrical Engineering (TMEE), 2011 International Conference on >Study on the measurement of dynamic characteristics for automotive electronic fuel injector
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Study on the measurement of dynamic characteristics for automotive electronic fuel injector

机译：汽车电子喷油器动态特性测量研究

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摘要

The dynamic characteristics of an electronic fuel injector have important effects on the accuracy of air-fuel ratio control in a manifold injected gasoline engine. In this paper a mathematical model to calculate the opening time and closing time of higher impedance injector is built. Under specific constructional dimension of the injector, the model equations are solved. Thus, the curve of the circuit current during a work circulation is obtained. According to the characteristics of the curve, a measurement system to get the opening time and closing time of the injector is developed. Under different working voltages, the opening time of the injector obtained from the model and the measurement system are compared, and the similar results show that the measurement system is successful.
机译：电子燃料喷射器的动态特性对进气歧管汽油发动机中的空燃比控制的精度有重要影响。本文建立了一个数学模型来计算高阻抗喷射器的打开时间和关闭时间。在喷射器的特定结构尺寸下，求解模型方程。因此，获得了工作循环期间的电路电流的曲线。根据曲线的特性，开发了一种用于获取喷油器打开时间和关闭时间的测量系统。在不同的工作电压下，比较了由模型和测量系统得到的喷油器的打开时间，相似的结果表明该测量系统是成功的。

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