Abstract
Purpose: From classic systems to cutting edge technologies, lots of electronic components are used in vehicles. A Vehicle’s environment, including temperature, vibration, shock, and humidity, can cause malfunctions and inconvenience drivers. Therefore, it is important to analyze electronic systems’ conditions after a long period of use. However, current testing methods are not appropriate to consider interdependency and interaction between systems in vehicles. Existing commercialized tools handle only one system at a time and just offer pass/fail results. “Global Diagnostic System (GDS)” is designed to resolve these problems. This portable tester inspects each system automatically and provides quantifiable results. This study proposes an approach to analyze durability of vehicles’ electronic systems using GDS.BRMethods: Research over 400 used cars, from compact to full size, with diverse mileages. Data are processed statistically by Python.BRResults: Each system demonstrates different degradation features. Systems like power windows show distinctive electrical signal differences while others do not. This change is based on contamination or deformation of components and creates problems, including noise and malfunction.BRConclusion: This study analyzes degradation properties of electronic systems in vehicles. The results will allow designer to develop robust systems and testing methods to increase reliability of vehicles.
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