Design of Piezoelectric Acceleration Sensor for Automobile Applications

Yıl 2021, Cilt: 5 Sayı: 4, 398 - 403, 31.12.2021

Mert Gül Murat Karaer Aydın Doğan

https://doi.org/10.30939/ijastech..1006197

Cited By: 1

Öz

In this study, piezoelectric based compressive type accelerometer has been de-signed by using PZT-5A ceramics with bellewasher type spring. FEA analysis were carried out by using COMSOL. According to COMSOL simulation, reso-nance frequency is nearly 42500 Hz. Sensitivity of the designed sensors were measured and compared each other. Frequency spectrum was between 100Hz-10 kHz. The effects of piezodisk thickness, stiffness of the spring and seismic mass on the sensitivity of the designed sensor were investigated. Voltage output is in-creasing from 4.1 mV/g to 12.7 mV/g while seismic mass is raised from 3 gr to 10 gr. Linearity depending on the frequency of the designed accelerometer was dis-torted above 5.5 kHz like commercial accelerometer. In addition, real-time tests were performed using a calibrated accelerometer and a designed accelerometer on the internal combustion engine and drivetrain. Vibration profiles were carried out randomly. According to the results obtained here, it is observed that all the peaks were matched with a coefficient about 1.3.

Anahtar Kelimeler

Piezoelectric, accelerometer, design, compressive, FEA

Destekleyen Kurum

TÜBİTAK

Proje Numarası

3189196

Teşekkür

This study was supported by TUBITAK/TURKEY in frame of the project code of 3189196 as researchers, we thank the TUBITAK and also Ford Otosan Test Department for experi-mental supports. Also thanks to Nebahat Bıyıklı, Ali Bıyıklı and Çağdaş M. Ünal for experimental supports.

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