目前铅和甲基叔丁基醚(MTBE)等添加剂被叫停，取而代之的是在汽油中添加少量酒精，这样提升辛烷水平能防止负载中引擎产生爆震。
With lead and MTBE additives now phased out, spiking petrol with a small amount of ethanol raises its octane level enough to prevent the engine from "knocking" under load.
汽油机爆震的难点是爆震边缘点检测，爆震边缘点是汽油机点火闭环控制的前提。
The knock threshold detection is the key of gasoline engine knock detection, and it is the key of the closed loop ignition control of gasoline engines.
采用汽油和空气作为燃料和氧化剂，进行了脉冲爆震燃烧室(PDC)与涡轮相互作用的原理性模型试验装置的试验。
Experimental investigations of a principle model of interaction of pulse detonation combustor (PDC) with turbine were made by using gasoline and air as fuel and oxidizer.
由此证明了火花塞离子电流爆震信号可以用于爆震强度的评价分析，作为汽油机爆震电控的反馈信号。
Its verified that the knock signals of ionization currents are strong enough to be used for analysis of knock intensity and as a feedback signal for electronic-control.
基于DWT分析汽油机振动信号特征，提出适于实时应用的爆震控制策略。
The characteristics of the vibration signals of the gasoline engine is analyzed based on DWT and put forward the strategies for real-time control.
提出一种用于汽油机爆震预测的简化自燃模型，该模型由13种成分、20个反应组成。
A reduced chemical kinetic model for knock prediction is developed. It includes 13 active species and 20 reactions.
提出一种用于汽油机爆震预测的简化自燃模型，该模型由13种成分、20个反应组成。
A reduced chemical kinetic model for knock prediction is developed. It includes 13 active species and 20 reactions.
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