Low-cost Data Acquisition System for Deformation Determination with Accelerometers

Abstract

In this article, a proposal for a data acquisition system specifically designed to evaluate fracture failure caused by vibration in an electrical harness bracket in a commercial vehicle is presented. The proposed system is a low-cost open architecture solution that allows comprehensive data collection, visualization, and analysis. The data captured by the accelerometers are sent to the microcontroller for processing and subsequent analysis using MATLAB software. In order to validate the proposed system, tests were performed using five different conditions on the vehicle. The electrical harness bracket was instrumented in the area where the fracture failure occurs to evaluate its performance under different scenarios. In addition, a stress analysis was carried out on the harness material, and the results obtained through the presented data acquisition system were compared, which demonstrated its effectiveness and the obtaining of satisfactory results. This research represents a significant advance in the detection and analysis of vibration failures in electrical harnesses, providing a useful tool for the validation of commercial vehicles.