Article
Improved design of vibratory plow with piezoceramic actuator
Received 17.11.2022, Revised 21.01.2023, Accepted 13.02.2023
Abstract
The sphere of agriculture is one of the most important spheres of human activity, since the task of agriculture is to provide the population with food necessary for its existence. Today, rural development is one of the most effective ways to overcome the hunger around the world. One of the main problems of agriculture consists in the complexity and efficiency of land cultivation. The main body of soil cultivation in agriculture is the plow. One of the most effective methods of soil cultivation is the use of an improved plow with a vibrating part, the use of which will reduce the force of friction between the plow mouldboard and the soil, which will make it possible to reduce fuel consumption and increase the service life of agricultural machinery. The work consists in improving the design of a vibrating plow based on a piezoceramic actuator, as well as its computer model, taking into account a full set of geometric, physical-mechanical and electrical parameters, which will make it possible to increase the frequency of vibration and reduce friction with the soil. The advantage of piezoelectric ultrasonic radiating systems is the ability to use a direct piezo effect, thanks to which the piezoelectric ultrasonic radiating system – plow mouldboard-piezoactuator – can be used in sensor mode. This will make it possible to expand the range of possibilities of using the vibroplow, namely the possibility of recording data (intensity of oscillations, soil characteristics) during soil cultivation. By increasing the frequency of the piezoelectric actuator, it becomes possible to reduce its size. The paper presents and discusses the main problems and differences between conventional plows and vibrating plows. Improved design of the vibrating plow based on a piezoceramic actuator, as well as its computer model using the COMSOL Multiphysics program package, taking into account a full set of geometric, physical-mechanical and electrical parameters, allows to increase the frequency of vibration and reduce friction with the soil. As a result, the resonant frequency, at which the maximum amplitudes of vibrations of the vibrating plow are ensured, is determined. Experimental results in which the ultrasonic emitter is used in sensor mode are also presented
Keywords:
piezoelement; automation; friction reduction; vibrating plow; modeling; mouldboard; sensor
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Suggested citation
Filimonov, S., & Yashchenko, S.
(2023).
Improved design of vibratory plow with piezoceramic actuator .
Bulletin of Cherkasy State Technological University,
28(1),
23-31.
https://doi.org/10.24025/2306-4412.1.2023.268433