idle speed stability 怠速稳定性
After the reliability and feasibility were verified, the principle ECU was matched with 479QE engine to continue dynamometer test. The test work consists of start performance, warm-up performance and idle stability test.
第一阶段通过搭建模拟测试平台,利用模拟信号发生装置进行电控单元原理机软硬件前期开发的调试;验证自主设计的电控单元原理机的可靠性及可行性后,匹配479QE发动机进行第二阶段的台架试验,包括发动机的起动性能试验、暖机过渡性能试验和怠速稳定性试验。
参考来源 - 汽油机电控单元原理机的研制·2,447,543篇论文数据，部分数据来源于NoteExpress
We simulate engine performance in various operating conditions:in idle condition, it reduces the residual gas coefficient and increases airflow velocity, so that idle stability is improved.
模拟计算了各种工况下的发动机性能：怠速工况降低了残余废气系数，提高了进气流速，稳定性得到改善；
Idle speed control is an important part of Engine Electronic control System. The control result affects the stability, fuel economy and emission directly.
怠速控制是发动机电子控制的重要组成部分，其控制效果直接影响发动机的运转稳定性、燃油消耗和排放。
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