EXPERIMENTAL STUDIES MULTI-SUPPORTED SHAFTING

2020 ◽  
Vol 5 ◽  
pp. 80-84
Author(s):  
M.E. BONDARENKO ◽  
R.N. POLYAKOV ◽  
I.V. RODICHEVA ◽  
M.A. GRIADYNOVA
Keyword(s):  
Dynamic Characteristics ◽  
Experimental Studies ◽  
Measuring System ◽  
Experimental Setup ◽  
Experimental Equipment ◽  
Software Complex ◽  
Rotor Systems ◽  
Information Measuring System ◽  
Generating Equipment ◽  
Power Generating Equipment

The article presents an analysis of various types of experimental equipment that simulates the operation of flexible shaft lines of power generating machines and units. Based on the analysis results, an experimental setup is presented for investigating the dynamic characteristics of multi-support rotor systems. An information-measuring system is proposed to ensure the operation of a dynamic stand based on a hardware-software complex of the "National Instruments" company. The results of experimental studies of multi-support rotor systems used in power generating equipment are presented.

MECHATRONIC DYNAMIC STAND FOR RESEARCH OF PLAIN BEARINGS POWER GENERATING UNITS

2020 ◽  
Vol 5 ◽  
pp. 85-90
Author(s):  
R.N. POLYAKOV ◽  
N.V. TOKMAKOV ◽  
A.V. GORIN ◽  
M.A. TOKMAKOVA
Keyword(s):  
Measurement System ◽  
Experimental Studies ◽  
Experimental Equipment ◽  
Hardware Complex ◽  
Software And Hardware ◽  
Generating Equipment ◽  
Power Generating Equipment

The article considers and analyzes various types of experimental equipment for power generating machines and aggregates. Based on the results of the analysis, a dynamic stand for the study of plain bearings is presented. An information and measurement system for ensuring the operation of a dynamic stand based on the software and hardware complex of the company "National Instruments"is proposed. The results of experimental studies of plain bearings used in power generating equipment are presented.

MAGNETORHEOLOGICAL JOURNAL BEARING: EXPERIMENTAL STUDY RESULTS

2020 ◽  
Vol 5 ◽  
pp. 98-103
Author(s):  
A.S. FETISOV
Keyword(s):  
Experimental Study ◽  
Journal Bearing ◽  
Experimental Studies ◽  
Frequency Characteristics ◽  
Rotor System ◽  
Measuring System ◽  
Electromagnetic Actuator ◽  
Experimental Stand ◽  
Study Results ◽  
Information Measuring System

The article presents the results of experimental studies of the effect of current power on an electromagnetic actuator of a magnetorheological journal bearing on the amplitude-frequency characteristics of the rotor system. The description of the experimental stand is presented. The description of the information-measuring system is presented.

Passive Balancing of Rotor Systems Using Pendulum Balancers

2008 ◽  
Vol 130 (4) ◽  
Author(s):  
Roland Horvath ◽  
George T. Flowers ◽  
Jerry Fausz
Keyword(s):  
Simulation Model ◽  
Dynamic Characteristics ◽  
Recent Literature ◽  
Experimental Studies ◽  
Simulation Studies ◽  
Additional Insight ◽  
Rotor Systems ◽  
Rolling Balls ◽  
Insight Into

Passive balancing techniques have received a great deal of attention in recent literature, with much of this work focused on ball balancer systems. However, for certain applications, balancing systems that use pendulums rather than rolling balls may offer distinctly improved balancing precision. This investigation seeks to provide additional insight into the performance and expected behavior of such systems. A simulation model is developed for a pendulum balancer system with isotropic supports and analyzed in detail. The influence of shaft location and friction on balancing effectiveness is considered and evaluated. In this regard, the dynamic characteristics of a pendulum balancer system are analyzed and compared to a similar ball balancer system. The conclusions and observations from the analysis and simulation studies are demonstrated and tested in a series of experimental studies.

scholarly journals Information-measuring system of moving objects based on hemispheric video camera.

2021 ◽  
Author(s):  
A.V. Ovchinnikov ◽  
Keyword(s):  
Information Processing ◽  
Moving Objects ◽  
Experimental Studies ◽  
Video Camera ◽  
Measuring System ◽  
Information Measuring ◽  
Information Measuring System ◽  
System Information ◽  
Processing Algorithms

The paper proposes the implementation of an information-measuring system for autonomous moving objects based on a hemispherical video camera and an odometric system. Information processing algorithms and the results of their experimental studies are presented.

scholarly journals Development of Hardware and Software Complex "Dummy Head" With the Use of Non-Professional Equipment

2021 ◽  
Vol 4 (1) ◽  
Author(s):  
Olexandr Dvornyk
Keyword(s):  
Experimental Studies ◽  
Frequency Characteristics ◽  
Measuring System ◽  
Software Complex ◽  
Fundamental Possibility

This paper presents the results of research on the fundamental possibility of creating a hardware and software complex for acoustic examination of premises using non-professional hardware. It is shown that for such a creation it is necessary to adjust the characteristics of the measuring path, taking into account the non-uniformity of the amplitude-frequency characteristics of the subsystem "speaker-microphone". Using a two-channel measuring system adjusted in this way, experimental studies aimed at assessing the intelligibility of speech distorted by reverberation were performed.

scholarly journals Algorithm for Correcting Target Coordinates in the Information-Measuring System of a Radar Station Based on Information about Spatial Orientation

2020 ◽  
Vol 23 (2) ◽  
pp. 55-62
Author(s):  
U. R. Naimov
Keyword(s):  
Spatial Orientation ◽  
Tracking System ◽  
Experimental Studies ◽  
Measuring System ◽  
Correction Algorithm ◽  
Information Measuring System ◽  
Orientation Information ◽  
And Performance ◽  
Coordinate Correction

Introduction. The concepts of constructing promising radar systems (radars) show that these will be integral type complexes. The creation of such systems implies the presence in their composition of an information system consisting of channels that produce a functionally completed procedure for processing signals and information to solve a definite task.Aim. Development of a target coordinate correction algorithm based on spatial orientation information.Materials and methods. The tasks were solved by methods of mathematical analysis and numerical modeling. To justify reliability and performance of the proposed algorithm, a model was developed. The model allowed one to obtain accuracy characteristics of the algorithm.Results. As a result of the simulation, the accuracy characteristics of the target coordinate correction algorithm based on spatial orientation information were investigated. It determines the quality of building of the target trajectory and the quality of the target tracking system. The structure and the description of the developed algorithm were given, an implementation option was shown. The results of estimation of the accuracy of the algorithm were presented.Conclusion. As a result of the analysis of the target coordinate correction algorithm based on information about the target’s spatial orientation, as well as modeling of its operation, a conclusion about the reliability and the performance of the proposed algorithm was drawn The presented data of experimental studies on the accuracy characteristics of the proposed algorithm showed the feasibility of the decisions made. The presented results allow one to determine the most appropriate and effective way to develop simplified versions of the algorithm.

scholarly journals Design of an information-measuring system for monitoring deformation and displacement of rock massif layers based on fiber-optic sensors

2021 ◽  
Vol 6 (5 (114)) ◽  
Author(s):  
Vyacheslav Yugay ◽  
Ali Mekhtiyev ◽  
Yelena Neshina ◽  
Bakhytkul Aubakirova ◽  
Raushan Aimagambetova ◽  
...  
Keyword(s):  
Fiber Optic ◽  
Fiber Optic Sensors ◽  
Rock Massif ◽  
Fiber Optic Sensor ◽  
Measuring System ◽  
Processing Unit ◽  
Software Complex ◽  
Information Measuring ◽  
Optic Sensor ◽  
Information Measuring System

This paper reports a study into designing an information-measuring system that could be used in coal mines that are dangerous in terms of the explosion of coal dust and methane gas. The results of reviewing technical advancements in the field of fiber-optic system development are given. To solve the set task, prototypes of a fiber-optic sensor of a new type and a hardware-software complex were constructed. The research aims to improve the safety of workers at coal enterprises. The result of the theoretical research has established that additional losses related to a micro bending should be taken into consideration while accounting for the effect of photoelasticity. The fundamental difference between the idea reported here and existing analogs is the development of a hardware-software complex capable of working with a single-mode optical fiber of great length with a significant noise level. The data processing unit is equipped with a television matrix and can analyze changes in the pixels of a light spot. The proposed system is quasi-distributed; it controls individual points within a rock massif. The designed hardware-software system provides high noise immunity of measuring channels when the external temperature changes. The research results helped develop an information-measuring system for monitoring the deformation and displacement of rock massif layers based on fiber-optic sensors, capable of operating in an explosive environment. The system makes it possible to control several layers located in the roof of the workings, while the fiber-optic sensor may contain two or three sensitive elements that are connected to different channels. With a sharp fluctuation in pressure and an increase in the displacement parameter, the system triggers a warning signal about the danger.

scholarly journals Information-measuring System to Study the Thermocouple with Controlled Temperature Field

2019 ◽  
Vol 19 (4) ◽  
pp. 161-169 ◽  
Author(s):  
Jinfei Wang ◽  
Orest Kochan ◽  
Krzysztof Przystupa ◽  
Jun Su
Keyword(s):  
Temperature Field ◽  
Experimental Studies ◽  
Measurement Data ◽  
Large Error ◽  
Measuring System ◽  
Metrological Reliability ◽  
Object A ◽  
Measured Object ◽  
Information Measuring ◽  
Information Measuring System

Abstract Error due to inhomogeneity is the main problem of thermocouples (TCs), e.g., during the operation of a type K TC, this error can reach 11-30 °C. Thus, metrological reliability of TCs is threatened by this error because there is a high risk of exceeding the permissible error when the temperature distribution along the TC legs changes. Such a large error, in turn, can threaten a proper operation or even safety of a measured object. A TC with controlled temperature field was proposed to cope with this error. An information-measuring system to perform proper measurements, measurement data acquisition and collection to construct mathematical models is proposed. Its property is high diurnal stability of ±(0.0025+0,002(X/XMAX–1) %. The requirements for the information-measuring system and its structure are considered in this paper. In particular, one of the key problems of such a sensor is how stable is its own temperature field under the influence of the temperature field of a measured object. The experimental studies were carried out using the developed system. They showed that the coefficient of penetration of the temperature field of the measured object is about 0.04. This allows decreasing error due to inhomogeneity by about 10-20 times.

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