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УДК 621.9.04


Strutynsky S., Gurzhiy A.
National Technical University of Ukraine «Kyiv Polytechnic Institute», Kyiv, Ukraine ( This e-mail address is being protected from spambots. You need JavaScript enabled to view it )


ASSESSING THE IMPACT OF TRANSVERSE VIBRATIONS OF PNEUMATIC BUILDINGS ON THE PARAMETERS OF THE SPATIAL VIBRATION FIELD OF THE DRIVE SYSTEM


Струтинский С.В., Гуржий А.А.
НТУУ «Киевский политехнический институт», Киев, Украина ( This e-mail address is being protected from spambots. You need JavaScript enabled to view it )


ОЦЕНКА ВЛИЯНИЯ ПОПЕРЕЧНЫХ КОЛЕБАНИЙ КОРПУСОВ ПНЕВМОЦИЛИНДРОВ НА ПАРАМЕТРЫ ВИБРАЦИОННОГО ПОЛЯ ПРОСТРАНСТВЕННОЙ СИСТЕМЫ ПРИВОДОВ

 

Abstract. The article deals with the description of spatial drive system based on the mechanism-hexapod and designed to manipulate engineering objects. The drive system has an executive body in the form of a platform and six drives with tilt bases and pneumatic cylinders. Spatial drive system is implemented as a prototype. It is evidenced that some pneumatic actuators have free play interface that cause the emergence of high-frequency transverse vibrations of buildings cylinders. The calculated design scheme for the description of transverse vibrations of shells and cylinders and a mathematical model are developed. The model takes into account thenon-linear properties of free play joints of individual drive and hinges. The connection between thetransverse vibrations of buildings and pneumatic vibration executive body is outlined. The mathematical model is implemented in the form of a computational procedure. The calculations of transient spatial system drives are preformed. The vibration processes in the drives and the corresponding fluctuations in the executive body are defined for the characteristic pulse torque loading platform. The form and motion parameters are analyzed. The calculation results are compared with the results of special experimental studies. The adequacy of the model is confirmed and parameters of oscillatory processes in the system are refined. On the basis of the research the mathematical model has been developed in order to estimate the parameters of the stochastic field
vibratory drive system. Qualitative and quantitative evaluation of the effect of random transverse vibrations of cylinders on the parameters of the field of spatial vibration of the drive system is presented.
Keywords: drive system, air cylinder, variations housing micro movements rod, a mathematical model, frequency, experiment, test, simulation, random vibration.


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