阐述车载自诊断系统对传感器、电控单元、执行器和多路传输系统的诊断原理；
The author describes diagnostic principles of the OBD(On Board Diagnostic)system for sensors, ECU, actuators and SWS(Smart Wiring System).
安保系统主要使用运动传感器和开关将信号传递到电控单元。
The system basically uses motion sensors and switches to feed signals to anelectronics control unit.
氧传感器在电控发动机上的应用，实现了电控单元对发动机的闭环控制。
The oxygen sensor on electrically controlled engine application, has realized the electrically controlled unit to the engine closed-loop control.
本试验台可以反复模拟发动机在不同工况下各传感器、执行器、电控单元以及线路的各种故障。
The experimental rig can continuously produce various kinds of failure of the sensors, actuators, electronic controlled unit and circuits.
典型的发动机控制系统由三部分组成：传感器、电控单元和执行器。
A typical engine control system consists of three parts: sensors, electronic control unit (ECU) and executors.
高压蓄压器中的压力由电控单元根据轨道压力传感器测量的压力以及需要进行调节；
The pressure in the (accumulator) is (regulated) by ECU (according) to the (pressure) (measured) by the rail (pressure) sensor and the need.
采用ABB专用变频器为传动控制器，西门子PLC和触摸屏为上位控制单元的交流复卷机电控系统设计。
The design of an AC rewinder electrical drive system was introduced. The system adopted ABB special converters as drive controller. The upper-control was realized by PLC and HMI supplied by SIEMENS.
PC032压力传感器：用于柴油发动机进气歧管内绝对压力的检测，向ECU（电控单元）提供信号，实现对发动机喷油持续时间的控制。
PC032 Pressure Sensor: It can test manifold absolute pressure of diesel engine, provide the signal to ECU, then control the lasting time of the fuel injection.
采用了高性能的微控制器MC 68376，运用模块化设计方法，针对工程运用的实际特点，全程按照可靠性设计规范，设计了电控单元的硬件和底层软件。
By using high performance the microcontroller MC68376 according to the modularization method and the reliability design procedure, the hardware and fundamental software of ECU were designed.
采用了高性能的微控制器MC 68376，运用模块化设计方法，针对工程运用的实际特点，全程按照可靠性设计规范，设计了电控单元的硬件和底层软件。
By using high performance the microcontroller MC68376 according to the modularization method and the reliability design procedure, the hardware and fundamental software of ECU were designed.
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