Two kinds of key sensors, hot-film mass air flow (MAF) sensor and universal exhaust oxygen gas sensor, for the AFR control are fully studied in this paper.
本论文主要研究空燃比控制中的两种关键传感器：热膜式空气质量流量传感器和宽带型废气氧传感器的动态性能。
The oxygen sensor is widely used on modern cars is one of the sensors, the normal operation of the engine and exhaust emission control plays a vital role.
氧传感器是现代轿车上应用广泛的传感器之一，对发动机的正常工作和尾气排放控制起着至关重要的作用。
Through close loop control by an oxygen sensor, the actual air-fuel ratio is controlled to the ideal air-fuel ratio and the exhaust emission is reduced by a three unique catalytic converter.
利用氧传感器实现闭环控制，将实际空燃比控制在理论空燃比附近，从而通过三元催化剂控制排放。
The sealing device with the structure can be used to separate exhaust gas from air in the oxygen sensor so as to play an effective sealing effect and prolong the service life of the oxygen sensor.
这种结构的密封装置，将废气与氧传感器中的空气隔绝，起到有效的密封效果，延长氧传感器的使用寿命。
The physical construct, operational principle and dynamic characteristics of the exhaust gas oxygen sensor are introduced.
介绍了氧传感器的物理构造、工作原理和动态特性。
The physical construct, operational principle and dynamic characteristics of the exhaust gas oxygen sensor are introduced.
介绍了氧传感器的物理构造、工作原理和动态特性。
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