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Analysis of reliability and preventive maintenance of wireless electrical vehicles charging station

机译:无线电气车充电站可靠性和预防性维护分析

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The reliability analysis and the estimate of preventive maintenance indicators appear a key factor for the devices used in automotive industry. The increasingly successful entry of electronic systems into that sector, in particular in electric vehicles, requires the exploration of reliability analysis methods and tools, as well as the proposal of solutions and recommendations for improving reliability. The present paper considers a complex reliability analysis of wireless electrical vehicles charging station, starting by determining the elements and blocks of lowest reliability in the charging station and pointing out their significance and effect on the overall reliability of the charging station. The next stage is to define the probability states by means of which we determine the state the charging station will be in - operability, failure, protection, maintenance or repair. This analysis allows us to define parameters such as availability, total down time and number of expected failures. The last step is to determine the maintenance time and the interval reliability after carrying out maintenance for a given period of operation. By using this complex analysis, we could identify the weak units in the systems, define how long before maintenance and repair can be done, and give recommendations for improving their reliability.
机译:可靠性分析和预防性维护指标的估计出现了汽车行业中使用的设备的关键因素。电子系统越来越成功地进入该部门,特别是在电动车辆中,需要探索可靠性分析方法和工具,以及提高可靠性的解决方案和建议的提议。本文考虑了无线电动车辆充电站的复杂可靠性分析,通过确定充电站中最低可靠性的元件和块,并指出其重要性和对充电站的整体可靠性的影响。下一阶段是通过该阶段来定义概率状态,我们确定了充电站的状态可保持性,故障,保护,维护或维修。此分析允许我们定义可用性,总下降时间和预期故障数的参数。最后一步是在对给定期间进行维护后确定维护时间和间隔可靠性。通过使用这种复杂的分析,我们可以识别系统中的弱单元,定义在维护和修复之前可以进行多长时间,并提出提高其可靠性的建议。

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