Diseño de un datalogger para prueba de ruta en automóviles

Abstract

Currently, scientists seeking to improve the efficiency of internal combustion engines search to characterize the routes through a concept called driving cycles in order to measure the levels of emissions and amount of fuel used by a vehicle on a specific route. . For this, you can find applications for Android that allow them to be linked to the OBD-II of the vehicle, measuring variables such as speed, fuel consumption, etc. in real time. However, it is not possible to store or graph the data that are thrown by the vehicle's sensors, being a limitation for the investigation of driving cycles. The objective of this project is to develop a prototype for the acquisition, storage and analysis of data "datalogger" through the use of microcontrollers, the OBD-II system, and sensors for the analysis of the behavior of vehicles in road tests. In order to interpret these data in a more user-friendly way, an interface will be executed that will allow to visualize, choose and graph the values that are of interest through the use of Arduino and Python through the Pandastable library that allows to analyze these values leaving as main results the characterization of a road test with 3000 samples where the values of RPM, engine temperature and intake chamber are evidenced. Concluding that this tool can be used by scientists and that it allows interaction between different models of graphs and variables.