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In 2001 the quality management system of DYNAMICS SPC was put through facultative certification. In 2018 it was recertified for compliance with standards ISO 9001:2015. Its results confirmed a high level of goods and services quality management.
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Home Publications Articles Multifunctional sensors based on piezoceramics

Multifunctional sensors based on piezoceramics


It is nowadays quite common to use sensors, based on piezoceramics, due to their increased reliability and temperature stability [2, 5]. Piezoelectric sensors are used to measure force, pressure, acceleration, humidity, temperature and consumption. Thus, for example, force sensors use a direct piezoelectric effect, which changes a charge amount on the opposite planes of a crystal under the influence of compression or stretching. The temperature measurement by dint of the piezoelectric crystal is usually based on anisotropy -
selecting an appropriate alignment of a piezoelement cut with respect to crystallographic axes, one can change its thermofrequency response (TFR), which is generally a non-linear function of temperature.

In addition, it is known about the temperature influence on properties of piezoceramic vibration transducers [1, 2], as well as about restrictions on the maximum allowable temperature, which does not cause irreversible changes in piezoceramic materials (PCM) characteristics [3, 4]. For most PCM the maximum allowable temperature ranges in 0.5-0.8 of the Curie point temperature; for example, for PZT-19 this is 150°C-200°C. In most cases, the diagnosed equipment temperature packs up this temperature range.
Moreover, it is not required to measure the temperature up to a degree, it is necessary to determine elevation of certain threshold values, that indicates development of the equipment destruction process.

Systems for equipment technical condition monitoring contain dozens or even hundreds of vibration and temperature sensors. Development of multifunctional sensors, which allow to measure a number of parameters, is an important task of instrument making. The paper is devoted to developing a method for determining temperature using a piezoceramic vibration transducer. The paper presents the development and testing results for a combined vibration/temperature piezoelectric sensor. Temperature measurement inaccuracy in
the entire vibration measurement range does not exceed ±1º C in the temperature range from -40º C to 100º C.


  1. Kostyukov, V., Morozov, S., Certificate of authorship No. 1740994 “Device for machines diagnostics”, International classification of inventions - G01M15/00, USSR, application of 01/09/1983, published on 15/06/1992, bulletin No. 22, 4 p.
  2. Donskov, V., Ivanov, A., Zavgorodniy V., Kostyukov, V., “Vibration transmitter for industrial application”, Foreign radioelectronics, No. 9, pp 65-67, 1996.
  3. Bogush, M., “Piezoelectric sensors for extreme operating conditions”, Rostov on Don, Publishing house of the North Caucasus Research Centre of High School, 346 p, 2006.
  4. Yanchich, V., “Piezoelectric sensors of vibrational and shock acceleration”, Tutorial, Rostov on Don, Publishing house of the Southern Federal University, 77 p, 2008.
  5. Yanchich, V., “Piezoelectric transducers (accelerometers)”, Rostov on Don, Publishing house of the Southern Federal University, 304 p, 2010.


Kostyukov V.N., Kostyukov Al.V., Boyarnikov A.V. Multifunctional sensors based on piezoceramics // The 11th International Symposium on Measurement Technology and Intelligent Instruments (ISMTII 2013). - P. 263-264

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Tags: condition monitoring diagnostics vibration sensor machinery Date: 01.11.2016
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