Using Diagnostics to Research the Operational Reliability of Electronic Engine Control Systems of Skoda Car

IF 0.2 Q4 ENGINEERING, MULTIDISCIPLINARY
P. Senin, D. A. Galin, L. O. Krush
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Abstract

Introduction. Some physical processes active in the electronic engine control systems lead to wear and tear of the system elements. Experience in operating and diagnosing vehicles at the service station has shown that there is the operation of vehicles with failures, many of which subsequently lead to malfunctions of different complexities. The purpose of the study is to apply diagnostics for determining the operational reliability and assessing the technical condition of electronic engine control systems. Materials and Methods. A batch of cars was selected to assess the operational reliability of modern electronic engine control system. There were carried out experimental tests of Skoda Octavia cars with 1.8 TSI CDAB 152 hp Euro5 engine and CDAA 160 hp Euro5 engine. The sample consisted of 60 vehicles. Every vehicle was registered for diagnostics, pre-maintenance and computer diagnostics. After a short test, the vehicle was taken back to the service station and subjected to a detailed diagnosis of the electronic engine control system. Results. The results of analyzing reliability of the main elements of the electronic engine control system have been obtained. It can be concluded that most of the failures of the structural elements of the electronic engine control system occur within the actuators of the system, which have moving elements, sensors measuring the parameters of the system wear out to a lesser extent. The analysis of dependence of failure rates of the fuel pump pressure regulator on operating time intervals has been carried out. Discussion and Conclusion. It was determined that the spark plugs have the least mileage lifetime. At the same time, the failure within the fuel pressure regulator of the car fuel system occurs most frequently (19.8% of total). The resource of this element of the electronic engine control system averages 125,000 km. It is proved that diagnostics using modern technological equipment is effective.
用诊断学方法研究斯柯达汽车发动机电子控制系统的运行可靠性
介绍。电子发动机控制系统中活跃的一些物理过程会导致系统元件的磨损。在服务站操作和诊断车辆的经验表明,车辆的操作存在故障,其中许多故障随后导致不同复杂程度的故障。本研究的目的是将诊断学应用于确定发动机电子控制系统的运行可靠性和评估其技术状况。材料与方法。选取一批汽车进行现代发动机电子控制系统运行可靠性评估。采用1.8 TSI CDAB 152马力欧5发动机和CDAA 160马力欧5发动机对斯柯达明锐轿车进行了实验测试。样本包括60辆汽车。每辆车都进行了诊断、预维护和计算机诊断登记。经过短暂的测试后,车辆被送回维修站,并对电子发动机控制系统进行了详细的诊断。对发动机电控系统主要元件的可靠性进行了分析。可以得出结论,发动机电子控制系统结构元件的故障大多发生在系统的执行机构内,其中有运动元件,测量系统参数的传感器磨损程度较小。分析了燃油泵调压器故障率与运行时间间隔的关系。讨论与结论。经确定,火花塞的行驶里程寿命最短。同时,汽车燃油系统燃油压力调节器内部的故障发生频率最高(占总数的19.8%)。电子发动机控制系统的这一元件的资源平均为125,000公里。实践证明,利用现代技术设备进行诊断是有效的。
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来源期刊
Engineering Technologies and Systems
Engineering Technologies and Systems ENGINEERING, MULTIDISCIPLINARY-
自引率
33.30%
发文量
29
审稿时长
12 weeks
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