Vibrations in engineering and technology

Voznyak Oleksandr – candidate of technical sciences (Ph.D in Engeneering), Associate Professor of the Department of Electric Power Engineering, Electrical Engineering and Electromechanics of Vinnitsa National Agrarian University (3 Soniachna St., Vinnitsa, 21008, Ukraine, email: andrijvydmysh1966@gmail.com).

Andrii Shtuts - Assistant Professor, Department of Electric Power Engineering, Electrical Engineering and Electromechanics, Vinnitsa National Agrarian University (3, Solnechna str., Vinnitsa, 21008, Ukraine, email: shtuts1989@gmail.com).

Zamriі Mykhailo - 1st year master's student majoring in 208 Agroengineering, Faculty of Engineering and Technology, Vinnytsia National Agrarian University (3 Sonyachna Street, Vinnytsia, 21008, Ukraine, e-mail: zamrij99@gmail.com). 

Control and measuring equipment is one of the first places in terms of breadth and efficiency of MP-tools. The microprocessor device (MPP) built into the measuring device expands its possibilities, adds new qualities for vibrating machines. Such a device is called programmable (PrVP); WFP can perform the following functions:

- control (issuance of control information to all components of the device, reconfiguration of the structure of the device in case of failures of individual units, the formation of control signals to display information, switching different control algorithms);

- control of efficiency, reliability of results, diagnostics and localization of malfunctions;

- digital information processing (calibration of the device, calculation of errors, determination of minimum and maximum values of parameters, enumeration of parameters, calculation of instantaneous power and signal energy, linearization, information compression, approximation, scaling, normalization, correction, calculation of tolerances, average values, logs , exponentiation, root extraction, transformation of a form from a fixed comma into a floating form and back);

- organization of communication with the human operator (exemption from routine operations, such as adjustment, calculation of deviations, etc.; presentation of information in a convenient and accessible for human view form; software support for a functional keyboard that replaces individual control knobs; ensuring the choice of conflict-free position of switches in devices with difficult control);

- connection with the system and other devices (implementation of various interface functions, conversion of data formats, adaptation to various input signals).

To perform these functions requires the development of an appropriate structure and software MPU. You can implement the following structures for vibrating machines:

- universal micro-computer with standard or special programming system; the units of the measuring instrument are connected as external devices - using the address space allocated for external devices;

- micro-computers with limited capabilities (for example, limited address space - part of the address bus is given to the addresses of the units of the measuring instrument, while the capacity of RAM is reduced);

- special purpose - on the basis of programmable LSI or sectional MP-sets with special software or firmware.

The structure of the first type is expedient at development of difficult multipurpose measuring means. The second has fewer features, but requires less hardware, it is useful when building measuring instruments with a small number of blocks and measuring functions. The structure of the third type is aimed at the optimal solution of the measurement problem, requires software development (command systems, microcommands).

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