Progression of the vibratory analysis technique by improving the piezoelectric sensor measurement accuracy

Z Ghemari - Microwave and Optical Technology Letters, 2018 - Wiley Online Library
The piezoelectric sensor is the best choice for large industrial installations for instantaneous
monitoring and premature fault diagnosis of electromechanical systems. In this work, we …

Appropriate choice of damping rate and frequency margin for improvement of the piezoelectric sensor measurement accuracy

Z Ghemari, S Salah, M Defdaf - Journal of Advanced Manufacturing …, 2021 - World Scientific
In industrial installations, the piezoelectric sensor plays a very important role in the
monitoring of electromechanical systems and the detection of their early defects. Modeling is …

Improvement of the vibratory diagnostic method by evolution of the piezoelectric sensor performances

Z Ghemari, S Saad, K Khettab - International Journal of Precision …, 2019 - Springer
Vibration analysis is an important means in the industrial field to monitor electromechanical
systems; their evolution can provide the correct information on vibration. For this purpose; it …

Improvement of the relative sensitivity for obtaining a high performance piezoelectric sensor

Z Ghemari, S Belkhiri, S Saad - IEEE Instrumentation & …, 2023 - ieeexplore.ieee.org
The purpose of a piezoelectric sensor is to measure the vibratory movements of structures
by the direct effect of the piezoelectric material. In this paper, the operating principle of the …

Device for calibration of piezoelectric sensors

SO Gaponenko, AE Kondratiev - Procedia Engineering, 2017 - Elsevier
Any experimental studies related to vibration measurement cannot be conducted without
calibration of sensors. The purpose of the calibration is to determine sensitivity of the …

Mechanical resonator sensor characteristics development for precise vibratory analysis

Z Ghemari, S Belkhiri - Sensing and Imaging, 2021 - Springer
The choice of piezoelectric material for a mechanical resonator sensor development is
essential in terms of sensitivity, compatibility with the environment in which it will operate …

Improvement of the vibration analysis technique by optimizing the parameters of the piezoelectric accelerometer

Z Ghemari, S Belkhiri… - 2022 IEEE 21st …, 2022 - ieeexplore.ieee.org
Condition-based maintenance is the most advanced form of maintenance because it is
based on the actual state of the machine. It allows for better manage the interventions …

Improvement of the vibratory analysis by enhancement of accelerometer characteristics

S Belkhiri, Z Ghemari, S Saad, G Boudechiche - Sensor Letters, 2020 - ingentaconnect.com
In this work, the mathematical model suitable for the operating principle of the piezoelectric
accelerometer is extracted then this model which connects the accuracy and the …

A low-cost acoustic emission sensor based on piezoelectric diaphragm

MAA Viera, R Götz, PR De Aguiar… - IEEE Sensors …, 2020 - ieeexplore.ieee.org
Sensor monitoring is widely used in modern industrial automation. Industries require
efficient and cost-effective monitoring and control systems. Regarding monitoring, new low …

Model-based detection of sensor faults under changing temperature conditions

I Buethe, B Eckstein, CP Fritzen - Structural Health …, 2014 - journals.sagepub.com
Nowadays, a variety of civil, aeronautic or mechanical engineering structures need regular
inspections. While non-destructive testing has become state of the art, there is a trend …