feedback control

In the light of the puzzle of the control of air/fuel ratio of the combustion system of rolling reheating furnace, and according to the principle of stepping searching, this paper establishes the tactics for the self-optimizing control of air/fuel ratio of combustion system of rolling reheating furnace.

针对钢坯加热炉燃烧系统空/燃比控制的难题,依据步进式搜索原理,建立了钢坯加热炉燃烧系统的空/燃比自寻最优控制策略。

Both the domestic and foreign technologies for the production of jet fuel are reviewed in this paper,with the emphatically analysis on the principles and the status of the coupled processes including the alkali wash-adsorption,catalytic oxidation of mercaptan-adsorption and alkali wash-catalytic oxidation of mercaptan-adsorption.

综述了国内外航空燃料(航煤)生产精制工艺采用的几种方法,重点介绍了碱洗-吸附联合精制工艺、催化氧化脱硫醇-吸附联合精制工艺及碱洗-催化氧化脱硫醇-吸附复合精制工艺的基本原理和现状,以及国内近几年航煤生产脱硫和脱色精制工艺的改进进展。

Study of coke formation in thermal cracking of home-made jet fuel RP-3 under supercritical conditions was carried out in a continuous flow reactor system.

采用连续流动反应装置研究了国产航空燃料RP-3在超临界热裂解条件下焦炭形成的规律和性质,总结了焦炭的形成机理和形成过程。

The corrosion of copper alloy in mercaptan-rich jet fuel was described.

叙述了航空燃料中的硫醇 ,对飞机铜合金部件的腐蚀问题 ,研究了T2紫铜、H6 2黄铜、HPb5 9 1铅黄铜在含有不同硫醇浓度航空燃料中的腐蚀行为 ,及燃料的温度、硫醇的浓度、反应时间三个主要因素对其腐蚀行为的影响。

In this paper, the characteristics of transients air/fuel ratio is explored based on detecting transients throttle angle, engine rotate speed, inject air flow, exhaust oxygen sensor output and the exhaust emission.

电喷汽油机在过渡工况中,进气流量和进气管内油膜特性会发生变化,从而使气缸内混合气空燃比偏离控制值。

One of the effective means of combustion control in boilers is to realize stable combustion on the basis of analysis of dynamic characteristic of air/fuel ratio.

热电厂燃烧控制是一个多输入、多输出、不确定的复杂系统,要安全经济控制燃烧,掌握系统的特性是十分重要的;而分析空燃比的动态特性实施燃烧稳定性是锅炉燃烧最有效的方法之一。

The close loop control of air/fuel ratio is realized by universal exhaust gas oxygen sensor to improve engine exhaust and the function of catalyst machine.

为了有效降低发动机尾气排放的危害,最大限度地发挥三元催化器的作用,采用宽域氧传感器实现发动机电子控制系统精确空燃比闭环控制。

Study on the air-fuel ratio control of automobile engines based on intake air modulation;

基于进气调节的汽油机空燃比控制系统研究

Study on simulation & optimization of air-fuel ratio of cng engine aided by computer;

天然气发动机空燃比的计算机模拟优化研究

Fuzzy control for air-fuel ratio of gasoline engine and experiment research;

汽油发动机空燃比模糊控制及其实验研究

Progress in research of improving thermal stability of aviation fuels;

提高航空燃料热安定性的研究进展

The Effect of Different A/F Ratio on the Purification Efficiency of Rare-Earth Three-Way Catalysts;

空燃比对稀土三元催化剂净化效率的影响

This paper explicates the R&D status and trend of the A/F ratio control for engines.

本文阐述了发动机空燃比控制的研究现状及发展趋势 ,介绍了基于神经网络及模糊控制的智能PID控制、带有调节因子的模糊控制等控制方法 ,并具体讨论了CMAC模型人工神经网络在空燃比控制中的应用 ,说明了现代控制技术在发动机空燃比控制中的应用前

Multi-step predictive model of air fuel ratio of gasoline engine based on Elman neural network in transient condition;

基于Elman神经网络的汽油机过渡工况空燃比多步预测模型

Research on a CNG Engine Air Fuel Ratio Control Strategy;

一种天然气发动机空燃比控制策略的研究

For air fuel ratio signal of a gasoline engine,there exist transmission delay,which affects the control accuracy of air fuel ratio using directive air fuel ratio sensor signals.

车用汽油机空燃比存在传输延迟,直接用于反馈控制影响空燃比的控制精度。

EFI and AFR Methods to Measure Fuel Consumption by On-board System;

电喷法及空燃比法车载测量汽车油耗

With the wide applying of lean combustion technology, traditional switch type EGO has not satisfied the request of AFR close loop control in lean burning engine.

近年来随着稀薄燃烧技术在发动机领域中的广泛应用，普通的开关型氧传感器已不能满足空燃比闭环控制的要求，取而代之的是控制精度更高的线性输出宽域氧传感器。