| 1. | Abstract : the function of the wheel speed sensor is to transform the wheel speed into the alternative voltage signal and send it to the electronic control unit ( ecu ) which will send ont relevant instructions according to the signal 文摘:车轮速度传感器的作用是将车轮的转速转变为交变的电压信号,输送给电子控制系统( ecu ) ,并发出相应的指令。 |
| 2. | Dogleg control strategy was proposed for piston electronic control unit ( ecu ) engine of a small size unmanned helicopter in overrunning stage , and then compared with traditional method of increasing rotational speed in fixed slope 摘要针对小型无人直升机使用的活塞式电喷发动机的冲速段特性,给出了折线法的转速指令控制策略,并与常用的固定斜率转速指令增量的方法进行比较。 |
| 3. | This paper introduced a new alternative and a new electronic control unit . due to the special problem " with varying component methane the air - fuel ratio has to be efficiently controlled " , the paper introduces a new electronic control unit ( ecu ) 煤层气是汽油的一种有效替代物,而我国煤层气资源比较丰富,目前国家对最近探明的大型煤层气田进行开发,因而煤层气有很好的发展前景。 |
| 4. | This is achieved by utilising a torque transfer differential which is controlled by various sensors and an electronic control unit ( ecu ) to enable a difference in torque to go to each of the rear wheels 感应器根据收集到的转向角度,油门大小,车轮转速,前后,侧向加速力等信息经过计算后,电脑控制油压系统介入,推动差速器里的离合装置,把驱动力诱导到一组减速齿轮,从而改变左右轮驱动力。 |
| 5. | Using the system , service center can monitor real - time running condition of electronically controlled remote engine , collect any information including the malfunction history restored in the electronic control unit ( ecu ) of the engine , and remotely adjust the control parameters of the engine 使用该系统,服务中心能实时监测异地电控发动机的工作状态,提取其电控单元存储的任何信息,包括故障历史信息,并对发动机实施控制参数的远程调节。 |
| 6. | Electric power steering system ( eps ) is a new type of vehicle steering system , it has the sense of speed , which any other type of steering system does n ' t have . according to the speed of vehicle and torque on steering wheel , electronic control unit ( ecu ) which is the main part of eps can decide the amount of power to assist 电动助力转向系统是一种新型的汽车转向系统,具有以往任何助力转向系统所不具备的车速感应能力,其核心部件? ? ecu (电控单元)能根据车速和方向盘操舵力矩的不同决定是否助力以及助力的大小。 |
| 7. | This paper analyses the cause of knock phenomena of vehicle engine , its detection method and the way to avoid it by electronic control unit ( ecu ) for vehicle engines . a brief discussion about the ecu structure , control principle and software are presented . through the electronic control , the dynamic performance , fuel economy , and exhaust emission of the engine are considerably improved 本文对发动机爆震现象的产生原因、检测手段和利用电子控制系统防止爆震的方法进行了剖析研究.简述了电控系统的组成、控制原理和控制软件.电子控制使汽车发动机的动力性能、经济性和排放污染得到了很大的改善 |
| 8. | To meet the increased regulatory requirements on emission and fuel economy , the electronic control units ( ecu ) for engine is becoming more and more complex , which also makes its exploitation more difficult . the traditional method of debugging ecu through bench tests is almost outdated for its high cost , long exploitative period , unstable environment , etc . the substitute is found to be hardware - in - loop simulation 为了满足日趋严格发动机排放和燃油经济性法规限制,发动机电控系统( ecu )的功能复杂程度在不断提高,相应的开发难度也在不断加大,通过台架试验来逐步调试ecu的传统方法由于耗费大量人力物力,开发周期长,调试环境不稳定、可重复性差等缺点,已难以适应ecu系统快速升级换代的需求,对此可采用硬件在环仿真技术予以解决。 |
| 9. | In this paper , a matching platform for a model lh150 four stroke motorcycle engine is set up and a electronic fuel injection system is designed . the design of the electronic fuel injection system include the fuel supply system design , the intake pipe and throttle body design , the electronic control unit ( ecu ) develop , the way to use sensor of the system and the means to deal with sensor signal 本论文建立了一套针对lh150型四冲程摩托车发动机的匹配台架,设计了一套用于摩托车发动机的电控燃油喷射系统,对发动机供油系统、进气系统进行了设计和选配;建立了一套传感器的使用和信号处理方法;设计了一套电控单元硬件,并初步确定了电控单元的控制方法。 |
| 10. | Exhaust gas oxygen sensor ( ego ) which is installed in the exhaust pipe of the engine is a significant component in the electronic fuel injection . it has the ability to probe the concentration of oxygen in the exhaust pipe , and can transfer concentration signal to voltage signal which is passed to electronic control unit ( ecu ) . in this way the air - fuel ratio can be controlled to the strait range of stoichiometrical point and the three - way catalytic converter consequently can work better 车用氧传感器是电喷系统的关键部件,安装在发动机的排气管上,能够探测排气管中的氧气的浓度,然后将浓度信号转变成电压信号并传送给电控单元ecu ,从而把空燃比控制在理论空燃比附近,配合三元催化反应器进行后处理净化。 |