A Study on the Rotation Motor Correlation between Sound Signal and IMU Sensor

Abstract

Brushless Direct Current (BLDC) motors have gained significant popularity across diverse applications owing to their notable advantages such as high efficiency, reliability, and minimal maintenance requirements. This paper aims to investigate the rotational behavior of BLDC motors through the analysis of sound signals and IMU sensor data. The raw data was processed to derive average Power Spectrum Density (PSD) values, enabling a correlation analysis between the sound signal and the X-axis acceleration captured by the IMU sensor. As a result, the PSD variation of a sound signal and IMU sensor were relationships.