空气流量传感器

本文重点进行了怠速试验、节气门传感器试验、空气流量传感器试验、爆震传感器试验和氧传感器试验，并对其结果进行了详细分析。

The paper emphasizes to analyze these experimental results , such as idle experiment , throttle sensor experiment , MAF sensor experiment , knock sensor experiment and oxygen sensor experiment .

一种热线式空气流量传感器非线性静态模型辨识

Nonlinear Static Model Identification of A Hot Wire Type Mass Air Flow Sensor

通过对与电控单元（ECU）输入信号有关的空气流量传感器、爆震传感器、冷却液温度传感器和转速传感器故障的模拟和再现，研究了发动机的各种故障现象、运行状况和性能。

Engine fault phenomena , running status and performances are investigated by fault simulation and emersion of the airflow sensor , knock sensor , cooling fluid temperature sensor and revolution sensor that concerned with ECU input signals .

电喷车用体积空气流量传感器的原理与检修

Theory and maintenance of the volume air flow sensor on electric injection vehicle

汽车空气流量传感器数据校正方法的研究

Study of Data Emendation Method of Air Flow Sensor

基于数据融合理论对空气流量传感器进行温度补偿的研究

Research on temperature compensation of the air-flow sensor based on data fusion theory

上海别克轿车空气流量传感器的故障诊断

Fault Diagnosis of MAF Sensor on SHANGHAI BUICK

质量空气流量传感器广泛应用于发动机测试及控制系统。

Air mass flow sensor is broadly used in engine testing and control system .

汽车用热线式空气流量传感器

Hot - wire air flow sensor for motor

奔驰轿车空气流量传感器的故障检修

Trouble Hunting of Air Flow Sensor on BENZ

超声波检测涡流式空气流量传感器

Supersonic Wave Eddy Current Air Flow Sensor

智能型空气流量传感器的研制

Development of Smart Air Flow Sensor

空气流量传感器是发动机电子燃油喷射系统中的电气元件之一。

The air flow sensor is one of the electrical elements in the electronic fuel injection system .

质量流量传感器，大量的油罐车空气流量传感器用于找出群众的空气进入一个成功内燃机。

A mass air flow sensor is used to find out the mass of air entering a fuel-injected internal combustion engine .

并在此试验台上模拟了发动机有关传感器和执行器的故障，如：空气流量传感器、节气门位置传感器、转速传感器等，观察并记录了故障现象，定量分析了故障对发动机性能的影响。

During observing , it makes automatic record of trouble phenomenon and quantitative analysis the engine malfunction influencing the performance of engine .

本文研究工作对现有翼片式汽车空气流量传感器的设计与优化具有一定的参考价值与指导意义。

The results of the thesis have some valuable reference and it can guide the design and optimization of the Vane air flow sensor .

试验结果表明：热线式空气流量传感器应用于汽车电喷系统中，可以为发动机提供准确的进气质量流量。

The experiment results show hot-wire air flow sensor applied to electronic jet system of motor , can provide accurate information about the air mass flow for the engine .

在此基础上，提出了减小翼片面积，优化翼片形状，减小翼片材料密度等方法以减小压力损失、缩短传感器响应时间，并据此设计了新型翼片式汽车空气流量传感器方案。

Based on the analysis , the wing square reduction , the wing shape optimization and the material density reduction are presented to reduce the pressure lose and short the response time in the thesis .

根据在流量计标定试验台上对一种热线式空气流量传感器静态标定的数据，用解析建模法和数值建模法建立了热线式传感器的非线性静态模型。

The nonlinear static models of a hot wire type mass air flow sensor is modelled by analytic modelling method and numerical modelling method which are based on datas calibrated statically on the flowmeter calibration test-bed .

在发动机进气量直接检测法中，由于热线（膜）式空气流量传感器的输出直接反映了空气质量流量的大小，无需进行空气密度补偿，因而被广泛用于汽车电控发动机。

In the way of measuring air flow rate of the engine , the hot-wire ( film ) air flow sensor is widely used as a result of reacting mass of air directly and no density compensation .

其中，翼片式汽车空气流量传感器由于价格低廉、结构简单而深受汽车生产厂家欢迎，但由于现有设计方案在工作过程中存在压力损失较大、响应速度较慢的缺点，使其应用受到严重限制。

Among these three sensors , the Vane air flow sensor is accepted by the automobile companies because of its low cost and simple structure . But the application is constrained seriously by its high pressure-loss and long response-time .

介绍了热线和热膜式质量空气流量传感器的原理、电路特点、传感器输出电压与空气流量的关系、环境空气温度对测量结果的影响；

Principle of hot wire and hot film type air mass flow sensor , feature of electronical circuit , relation between output voltage of sensor and the air flow and effect of ambient air temperature to result of measurement are presented .

空气流量传感器又称空气流量计，是汽车发动机电控单元用于调节空燃比（A/F）以达到最佳性能指标的重要元器件之一。

The air flow sensor , also known as the air flow meter , is one of the important components for electronic control unit on the automotive engine to regulate the air-fuel ratio ( A / F ) in order to achieve the best performance .

通过对汽油机加减速工况试验数据进行仿真，结果表明，该方法能够准确地实时预测汽油机过渡工况的进气流量，同时能够消除空气流量传感器的滞后特性。

The model is trained and simulated by using experiment data in the acceleration and deceleration condition of gasoline engine . The results show that this method can accurately forecast the engine induction airflow under transient condition and eliminate the lagging characteristic of the airflow sensor .

松开两个热膜式空气质量流量传感器上的螺钉式卡箍。

Release screw-type clamps on the two hot-film mass air flow sensors .

则空气质量流量传感器正常工作，因而不应更换。

The mass air flow sensor is functioning correctly and must not be replaced .

别克轿车空气质量流量传感器故障诊断与分析

The Trouble Diagnosis and Analysis of Air Mass Flow Sensor of Buick Passenger Car

插入并安装空气质量流量传感器。

Insert and fit mass air flow sensor .

温差式热膜空气质量流量传感器

Temperature-difference type hot-film air mass flow sensor

除去热膜式空气质量流量传感器上的进气管法兰以及内部进气管上的润滑脂。

Degrease intake manifold flange on the hot-film mass air flow sensors and inner intake manifold .