Improvement of the Relative Sensitivity for Obtaining a High Performance Piezoelectric Sensor

Abstract

A piezoelectric sensor is a sensor using the piezoelectric effect in order to measure physical quantities such as pressure, acceleration, or any other physical quantity generating stresses or mechanical deformations through active materials (magnetic, electrical, thermal , mechanical...). In this paper, the operating principle of the piezoelectric sensor is defined in detail and it is translated to mathematical model (ie the modeling of this type of sensors). This developed model is related the accelerometer electrical parameters with their mechanical parameters, and simulation of this model allows to choose the appropriate damping rate of the sensor which minimizes measurement error and improves accuracy and sensitivity of this one.The proposal of a new relation links the relative frequency by the natural frequency of the piezoelectric accelerometer makes it possible to minimize the resonance phenomenon effect, to facilitate the suitable choice of the accelerometer and to protect it.

Development and Evaluation of Vibration Canceling System Utilizing Macro-Fiber Composites (MFCs) and Long Short-Term Memory (LSTM) Vibration Prediction AI Algorithms for Road Driving Vibrations

“…Generally, these materials exhibit changes in mechanical, optical, and electrical characteristics. Among the various types of smart materials, piezoelectric materials are notable for exhibiting the piezoelectric effect [1][2][3][4], where their electrical properties change in response to pressure, and for possessing reversible characteristics known as the inverse piezoelectric effect [5][6][7][8], where the application or alteration of an electric field induces deformation.…”

The main distinguishing characteristic of active vibration control

“…The application of Active Vibration Control to a three-story building involves addressing structural resonance, wind-induced vibrations, seismic events, and internal sources of vibrations such as machinery. The technology actively identifies and counteracts resonant frequencies, minimizes wind-induced swaying, enhances seismic resilience, and improves overall occupant comfort by mitigating vibrations caused by internal sources [48][49][50][51][52].…”

Active Vibration Control and its application to a three-story building

“…Vibration analysis plays a crucial role in fault diagnosis and condition monitoring of machinery and structures. By studying the vibration patterns and trends, faults such as unbalance, misalignment, bearing defects, gear issues, or structural resonances can be detected and diagnosed early, allowing for timely maintenance or corrective actions [45][46][47][48][49][50][51][52][53][54][55][56][57][58][59][60].…”