Portable measuring complex for control, registration and analysis of parameters of electrical devices of the subway and railway.The measuring unit of the portable recorder of electrical devices is based on the measuring equipment of the NI CompactRIO platform manufactured by National Instruments (USA, www.ni.com ), which is placed in a special case for transporting the Pelican-Storm iM2450 with an instrument front panel and connectors for connecting a source (s ) power supply, user's workstation computer and sources of measured voltage current signals.
The VR-226N helicopter reduction gearbox test bench measuring system is designed to automate the VR-226N gearbox test process in order to ensure high quality product testing, increase the reliability of measurement information, increase the profitability of the test bench and reduce malfunctions associated with the human factor.
Create a system for controlling and regulating the temperature of hydraulic press plates, as well as recording the current temperature and pressure values. Solution The system has the following basic functionality:configuring and setting the working parameters of presses;start and stop the technological process of the individual press;temperature control and pressure control;forming a timetable for the work of presses;registration of process parameters on an electronic carrier;archiving and viewing of archived data;construction of reports on the technological process in text and graphic form;Turn on and off the power of the press groups.
The system is designed to collect data during model tests in a pilot pool.The complex is built on the basis of a laptop in a protected design, a National Instrumrnts data collection board and two external connector blocks with BNC connectors, allowing you to connect up to 32 analog signals.
K-5101 is a family of multichannel, computerized measuring complexes created using the technology of virtual instruments and based on the computing capabilities of modern computers and measuring technologies of the National Instruments company. Since all the main measurement functions are implemented by software - the basic parameters of virtual devices that make up the complex are chosen taking into account the specific wishes of the customer.
n the course of vibration tests of finished products or prototypes, a number of steps are carried out that require certain, often very complex, algorithms for the operation of bench equipment and the processing of measurement results. Automation of the test process allows to reduce time costs, improve the accuracy of the task, the reliability of measurements, the visibility of information and minimize the impact of the human factor.
To develop a portable complex (hereinafter referred to as the Registrar) for registration, calculation and analysis of vibration and other parameters of mills while monitoring their technical condition. The registrar must ensure the collection of data coming from the accelerometers, calculate and analyze the values of the required technical parameters of the mills and generate reports on the results of the data.
The number of the current hopper and the correct positioning, along with the indication of power and status, are displayed on the indicators. Four load cells are mounted on the cart. The system records the amount of material shipped from each hopper, and the total weight of the material in the trolley is also displayed. All information is stored in the controller memory for a specified time. After the necessary time intervals, the operator can rewrite the information on the USB drive for further processing.
The complex is implemented on the basis of a portable computer and the CompactRIO control and measuring system. The software for recording and displaying measured signals and control of measuring equipment is developed on LabVIEW. The second modification of the measuring system includes, developed by our company, a miniature digital measuring module of a strain gage with a built-in ADC and inclinometer and a USB interface for connecting the digital measuring module of the probe to the computer.
To ensure reliable operation of the measuring system in the conditions of test benches and under construction or existing orders, the industrial measuring platform NI PXI was chosen. The software of the complex adheres to the two-tier architecture that has become standard for our solutions. The controller software runs under the control of the real-time operating system.
The "Ohta" system is designed for automated dosing of bulk materials. By controlling the dispenser valve based on feedback from digital scales, the system optimizes the operation of filling and packing machines with manual control of the dispenser valve, which reduces the number of underweightes. The hardware of the complex is built on the basis of the industrial platform CompactRIO of National Instruments. The user interface and software for statistical processing and analysis of the received data are realized on a tablet computer that interacts with the controller via the WiFi interface.
As a measuring unit of the complex, the NI cDAQ data collection platform was chosen. The measuring system consists of the following components:a personal computer or laptop;measuring block - chassis cDAQ with installed on it measuring modules.The complex measures and records the following parameters:working water pressure;water flow;turnovers;moment.
To solve this problem, the following composition of the complex was chosen in the test stand conditions:laptop in a protected version PanasonicTBCF-53;measuring block - NIUSB-4431 with a set of vibroaccelerometers AP-2037;vibration excitation system LW 139.151-30 with mounting kit for the disk.The software of the complex provides the following functions:spectral analysis of vibration signals in the regulated range;search for natural excitation frequencies in given frequency ranges;Formation of database of existing disks;generation of reporting forms;and etc.
The complex is built on the basis of the measuring platform NI PXI and provides measurement and calculation of vibration parameters. The software of the complex is two-level: the lower hardware level and the upper level of the user interface. The hardware level software provides the following functions:interrogation of measuring modules;signal processing in the time domain;calculation of measuring parameters;spectral analysis;recording the signal to the hard disk.
The developed measuring complex for testing soils with "GEOMECHANIKA-M" stamps includes:Control and registration unit: measuring station based on NI cRIO equipment, MIDA overpressure sensor, wireless access point AWK-3131-EU-T, pneumatic system based on pneumatics CamozziLinear motion sensorsWireless Operator Console TestSet of connecting cables
A distributed system consisting of a variable number of intelligent measuring units, a central computer located on board a ship, and a remote computer on the shore, with the ability to configure and analyze measured signals via the Internet. Intelligent measuring units are built on the basis of the industrial measuring platform PXI.
The system of automatic calibration and verification consists of a computer of the operator's workplace and a control controller with a calibrator connected to it and a verified device. The device under test can have 4 to 16 working channels with a complicated circuit for connecting different types of signals: voltage, current, thermocouples, thermoresistance. The system allows a change in the set of operating ranges during calibration and calibration. The software development system used the LabVIEW development environment with the Real-Time module.
The task set forth the need to create a special universal software core, the main tasks of which are the provision of measurement and control processes, as well as the interaction of software components intended for collection, visualization, mathematical processing and documenting of data. For each stand, specific program modules were additionally developed according to test methods specific products. The overall modular architecture of the system makes it easy to supplement and correct test algorithms.
The visibility and intuitive clarity of the created interface ensures the simplicity of creating climate testing programs and significantly reduces the possibility of operator error. Monitoring of the climate chamber parameters can be carried out both in manual mode and automatically. The program for measuring the electrical parameters of the tested product can also be configured. The data saved during the test can be presented in a graphical format and converted into Excel format.
The system can be equipped with various National I / O devices using PCI, PXI, USB and cRIO platforms for both testing tasks and for advanced diagnostics of the tested products. The system software includes a wide range of virtual instruments (Vibrotest, Vibration, Vibrotest SBC, Vibrorezonans, Beat, etc.).
The hardware part of the measuring system of the test bench is built on the basis of equipment from National Instruments and contains the following components: multichannel switching system for SCXI signal conditioning, interrogation system of "fast-changing" voltage signals and AC power PXI, including M-series NI PXI-6220 board for SCXI module measuring channels, a high-performance Ethernet controller for the distributed I / O system and industrial control cFP-2110 running operating systems hard real-time, multi-channel vibration measurement complex K-5101.
The measuring system consists of a test site and a control rack. The test site is equipped with a mounting for the test tool with measuring sensors: vibration, torque and speed, as well as a pneumatic regulator, a filter and a powder type brake clutch. The maximum torque test is performed until the rotation is completely stopped. The screen displays both the directly measured maximum torque and the calculated maximum power of this sample. At the end of the test, the results are presented to the operator on the monitor screen.
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