|  Data Acquisition |  Sitemap |  Contact | 

.

Data Acquisition Software.

This report contains design and technical documentation on magnetic tape format, master and slave program software, and the simulator EPROM listings for the noncontacting stress measurement system. This system is used as an analytical tool for structural testing and research on bladed disk components. The data acquisition software is used to control the operation of the signal storage and processing electronics. Keywords: Turbine blades, Forced response, Bladed disk, Dynamic structural analysis, Noncontacting stress measurement system.

An example line: Grip_Max, 2, 2.5, 2047, N This line tells the software that for the task called , all data collected from channel #2 should use the scale of 2.5 and offset of 2047 to provide data in the units of N (for Newtons). The units field is optional and used as part of the labeling of data when needed. Of course, this calibration is associated with a given transducer and if it is changed, a new file must be specified (contains new scale and offset values). In practice, different transducers can be calibrated in advance and if needed, can be changed in the middle of an experiment as long as the new calibration file is then specified. Isometric testing protocol Built into the acquisition software is an automatic analysis mode for isometric muscle testing.

Company Profile: Custom manufacturer of data acquisition software. Graphical data acquisition software for applications including inputs/outputs, signal analysis, trigger, control, display, files, data reduction, mathematics, statistics & network.

The easy to use PicoLog data acquisition software is supplied with the HumidiProbe this powerful, yet flexible, data acquisition software allows you to collect, manipulate, analyse, and display and export data. Software alarms can be configured for both temperature and humidity so as to provide a warning when measurements go out of a specified range. Updates to PicoLog can be downloaded for free from the Pico website.

The position of the multiport valve of the profile system is also determined. As the time of the change of the position of the multiport valve is recorded on the computers of both the profile and eddy correlation systems, the parallel records allow the synchronization of the two independent data acquisition computers. The data acquisition software is written in Turbo Pascal language and runs under DOS 5.0. The eddy correlation system produces data at a rate of about 600 MByte/month, and the data are stored on a CD-R without compression.

The rig site data acquisition system is equipped with a specialized component, which monitors the health status of the complete installation. The Health Monitor is able to send messages via e-mail or SMS to the proNova Support Center, where the systems are monitored 24x7.

Company Profile: Custom manufacturer of software including data acquisition software used for automation control system integration applications. Other types of software include data collection & logging, programmable logic controller (PLC), instrumentation & manufacturing software.

SW-1 Imada data acquisition software is a highly customized Excel spreadsheet specifically designed for capturing and analyzing real-time data from Imada gauges with a RS-232 port. SW-1 allows real time data from RS-232 instruments to be input directly into any Windows program including Microsoft Excel. SW-1 inputs gauge readings in real time and provide a running log of all force measurements along with a chart of the data as well as statistical information including Min, Max, Mean, Median, Standard Deviation, Average Deviation and Variance. Complete control of the gauge is provided through a set of #157; on the spreadsheet that enable easy editing of the sampling rate, force measurement units, peak/real time, tare and power off.

The Real-Time Controller is a real-time, digital controller that provides PID closed loop control with a differential pressure transducer (delta-P) feedback signal. It also provides an operator interface (the Structural Test System application) to the real-time hardware from a PC over an Ethernet link. The control hardware architecture is based on Digital Signal Processing technology, which optimizes the performance of the embedded control system, and allows for the implementation of advanced control and data filtering operations.

There is, however, some light at the end of the tunnel. Pi Research, a company providing data acquisition and analysis systems to all levels of racing, is helping to promote a seminar that provides ground-breaking information. Claude Rouelle, a race engineer for 20 years, uses his new seminar to explain some basic vehicle dynamics and show how the analysis software in the Pi data acquisition system can produce definitive numbers that reveal some useful information about racecar behavior.

Company Profile: Automation consulting, control systems, data acquisition programming, database management systems, design & training services. Specification & integration of industrial control hardware & software from field devices to supervisory control systems to manufacturing information systems.

Its genesis in the field of accelerator control notwithstanding, EPICS is not a ready-made, single-purpose control system, but rather a software `toolkit' for developing systems that serve a wide variety of experimental and industrial applications. These applications can include both control and data acquisition systems that allow extensive operator/experimenter intervention and fully automated control systems more suited to industrial applications. To date, research applications of EPICS have included particle accelerators, free-electron lasers, astronomical telescopes, and physics detectors; the variety of industrial implementations has been noted above. Across this entire spectrum, EPICS has proven its value for providing control functions that include supervisory control, closed-loop control, sequential control, data acquisition, and the optimization of system operation.

Data acquisition is implemented using a PC with a National Instruments (NI) PCI MIO 16E-4 (PCI 6040) multifunction data-acquisition card. Force and displacement data from the controller analog outputs are acquired at a scan rate equal to or an exact multiple of the frame rate of the video camera: in this case 25 Hz. Data-acquisition software is written in NI’s LabView software (see Fig. Data acquisition is synchronized with the camera video by using the camera trigger switch to simultaneously terminate video capture and data acquisition.

Many of the camera systems available on site can be used in a conventional manner to document an experiment manually. However, the true benefit of the system is its ability to acquire dozens of images simultaneously under computer control. Digital image acquisition devices are available to acquire ultra-high resolution still images, high-resolution video, and point clouds. These images can be acquired at regular intervals, ranging from one image per day up to hundreds of images per second, or at intervals that depend on a predefined loading or displacement history (e.g., images are captured every 5 mm of actuator movement) or on real-time characteristics of measured response (e.g., images a captured whenever the measured base shear is zero, the displacement of an actuator reaches a peak, or the stiffness changes by a specified amount).

Company Profile: Manufacturer & distributor of software for bar code, auto ID, data acquisition & collection & supply chain management. Also logistics, open WMS, open WIP, asset tracking, facilities management, inspection, GPS vehicle, telephony & manufacturing.

When the trigger switch is pressed the camera stops recording video, and all frames before the trigger event are maintained in the camera’s internal memory. The trigger switch is also connected to a programmable input on the data-acquisition board to terminate data acquisition. Acquired data are stored on the hard disk drive as they are acquired. Since the video and data acquisition are both terminated at the same time (within one video frame), the data and video are synchronized within 1/25 s or less if a faster video frame rate and data acquisition rate are chosen. For this application, 1/25 s provides more than adequate resolution of crack-growth events, and camera memory capacity allows approximately 2 min of video to be stored.

EPICS makes control and data acquisition available over the network, from any application or language that supports the EPICS channel access protocol (based on TCP/IP). This means that EPICS clients written in languages like IDL, LabView, Visual Basic, etc. These applications can be running on any computer on the Internet, they do not need to run on the computer that is attached to the XIA hardware. This client/server model is very desirable in complex data acquisition environments, such as synchrotron beamlines, because it allows the XIA module control and data acquisition to be integrated with other hardware and software. EPICS is currently in use at the APS, NSLS, and the Swiss Light Source.

Data-management (GIS) tools are necessary for the input and storage of field observation notes as well as for project management and setup. Part of the efficiency in digital field mapping is the speed of data entry. Mapping software should support the use of form-based data entry to minimize the amount of typing needed to enter data. Form-based data entry also provides data validation and consistency in values used when data are input by more than one person. GIS tools also are helpful for integrating mapping skills with other data sets (layers) such as geophysics and geochemistry. Field observations and integration of other data sets form the basis for final map interpretation. The overall quality of that interpretation is dependent on the type, quantity, quality, and accuracy of the data being added into the database.

MX is an open-source data acquisition and control system developed by W. M. Lavender for the Illinois Institute of Technology. It is currently being used at APS and CAMD.

In critical real-time systems, computer-to-computer data latency is dependent on two factors: network speed and, more importantly, data throughput between the host computer and the network node. The SCRAMNet+ Network's shared-memory speed and simplicity insure that communication at every computer is optimized for minimal data latency. It virtually guarantees that all computers in the system are operating simultaneously on the same set of data.

.


 

Modified Superbike Comparison - MotorcycleUSA.com

Publ.Date : Wed, 10 Mar 2010 09:06:24 GMT+00:00

Graphtec GL200A midi Data Logger Now Available Online at the DATAQ Instruments ... - PR Web (press release)

Publ.Date : Wed, 10 Mar 2010 08:14:24 GMT+00:00

RSS to HTML
Backlinks

(C) All rights reserved. http://www.data-acquisition-site.com