The standard for noncontact measurements and 3d visualization of vibration data just got better with the release of the psv500. Polytec software provides powerful tools that control the measurement, process data, provide intuitive and animated data visualisation and interface with thirdparty software for modal analysis, fem and other applications. Sound field from a 10khz speaker measured using scanning vibrometer duration. Polytec msa500 micro system analyzer vibrometer imri. Designed to be eyesafe and simple to setup and operate, the rotational vibrometer provides accurate measurements without enhancing the rotating surface with. It uses noncontact measurement method, and has autofocuslongdistance focus and focus points storage functions. Now any number of colleagues can see the outstanding data taken on polytec systems as quickly as possible, on web pages, in powerpoint presentations or any other office documents. Use of 3d scanning laser vibrometer for full field strain. These components are complemented by a powerful software package that controls the scanners, data processing, and visualization of the measurement results. Polytec msa500 micro system analyzer is located in room 2 calit2 building building 325 on uci campus mapthe polytech msa500 micro system analyser called the vibrometer is a fullyintegrated structural dynamics and surface metrology system.
The 3d scanning vibrometer, supplied by polytec, comprises three scanning heads that are attached to a tripod. The laser beam of the scanning laser doppler vibrometer is deflected by 2 mirrors which are controlled by the computer. It includes a compact sensor head with an integrated scanning unit, a vibrometer controller and a data acquisition and management system. Polytec scanning vibrometers are stateoftheart for noise and vibration measurement in research. This documentation will guide you through the advanced features incorporated into this release. Scanning vibrometer deutschubersetzung linguee worterbuch. Tell us about your structural vibration measurement task and well provide the scanning vibrometer solution for frequencies from dc up to 24 mhz and vibrational velocities of 0. I am looking for labview drivers for a polytec scanning laser vibrometer system. Laser vibrometer technology and benefits vibrations inc. Polytec psv500 3d scanning vibrometer acquire and analyze vibrations in three dimensions polytec 3d scanning vibrometers are the stateoftheart tools to quickly and accurately determine operating deflection shapes and eigenmodes for structural vibration validation with reliable experimental data. Psv500 scanning vibrometer from polytec measure vibrations without contact, reliably enabling precise vibration analysis in research and product development. Bridging design and real world 20 years of polytec.
Polytec scanning laser doppler vibrometer vibration analysis rob winter. Scanning laser doppler vibrometry produces better results in a more cost. Polytec begins inhouse manufacturing and development. Scanning vibrometer 3 scn analysis software c5 klippel analyzer system page 7 of 30 3 scn analysis software the scn analysis software is optimized for the visualization of the vibration data of loudspeaker cones. The other structure is a wind turbine blade which is more complicated in geometry and strain distributions. Laser vibrometers easily master challenging conditions like measuring on hot surfaces, on rotating parts, and characterize complex and sensitive structures even in the ultrasonic frequency range. The detected operational deflection shapes and eigen modes help engineers with everything from model validation, nvh, acoustic analysis, structural dynamics issues to ultrasonic analysis, fem validation and nondestructive testing. It is an instrument for rapid noncontact measurement and imaging of vibration. Advancing measurements by light advancing measurement by light. The polytec software was used to view frequency response functions frfs and operating deflection shapes odss.
A laser doppler vibrometer ldv is a scientific instrument that is used to make noncontact vibration measurements of a surface. The rail profile is s60sar, which is similar to uic60. By fmdemodulating the difference in frequency between reference and measured light, the at series can detect the speed and frequency of an objects vibration, rendering microvibration measurement possible. In simple terms, this instrument focuses one beam of laser light on a spot in the sample in order to accurately track. In this paper, the application of a polytec 3d scanning laser vibrometer psv3d to the measurement of the kinetic variables of a plate structure is presented. Great britain lambda house, batford mill harpenden, herts al5. Complete psv software package provides detailed vibration data analysis including graphing, animation of 2d and 3d color maps, frfs, and data export psv400 scanning vibrometer the new psv400 scanning vibrometer is a fast and intuitively operated full field vibration measurement and imaging system. This video explains the function principle and software of the scanning vibrometer of polytecs msa micro system analyzer. Lvs01 is an outplane vibrometer which uses laser doppler principle to measure object vibration along the laser direction. Upgrade or expand it to a full 3d system, once your applicationspecific demands grow.
Noncontact, optical measurement at the heart of every polytec psv500 system is the laser doppler vibrometer a precision. On this picture the measurement points can be arranged like with a. Polytec update therefore always keeps you posted when there are updates for your polytec measurement or desktop software to ensure reliable. Accessories polytec gmbh germany polytecplatz 17 76337 waldbronn tel. Polytec scanning vibrometers are stateoftheart for noise and. The psv400 scanning vibrometer comprises a compact sensor head with an integrated scanning unit, a controller and a data acquisition and management system. Laser vibrometer for vibration measurements maultheet. The psv500 scanning vibrometer represents the fifth. The convenient way of sharing your scanning vibrometer measurement data with your colleagues and project partners. This new technological leap incorporates the essence of 20 years. Ofv modular laser vibrometer psv400 scanning vibrometer.
Great britain lambda house batford mill harpenden, herts al5 5bz tel. Whatever question regarding vibration measurement drives you, there is a psv500 polytec scanning vibrometer to provide the answer. Polytec scanning vibrometer psv400 scanning vibrometer psv4003d scanning vibrometer msa500 micro system analyzer psv software psva440 optical derotator robovib structural test station psv400. These components are complimented by a powerful software package that controls the scanners, data processing, and. By integrating a singlepoint laser vibrometer with a dualaxis scanning mirror, polytec exploits the advantages of using light as the probe. Polywave postprocessing software suite advancing the. Scanning laser vibrometer measurement of guided waves in. Polytec scan viewer is a free viewer that can display, visualize and manipulate scanning vibrometer data graphically in microsoft office applications. Improved software and hardware performance allowing more efficient measurements and data animations. Ldv enables the analysis of nonideal or nonlinear systems. Laser vibrometry see whats happening to your structure. Msa1003d micro system analyzer polytec pdf catalogs. Application of laserdoppler vibrometers in hearing and biomechanics. This software only requires the results data file of the scn vibrometer.
Vibrometers from polytec help to solve your measurement task fast, reactionless and precise. Optomets laser doppler vibrometry ldv is a highly accurate and reliable noncontact vibration measurement technique utilizing sophisticated, laserbased technology to provide customers the best data quality possible. Polytec gmbh germany polytecplatz 17 76337 waldbronn tel. Membrane vibration studies using a scanning laser vibrometer. Msv400 the system a msv400 microscope scanning vibrometer system consists of the optical scanning system, an ofv551 fiberoptic interferometer, the ofv5000 vibrometer controller and the data management system dms, a workstation with adconverter and software. Polytec update is a software tool that provides your polytec products with the latest software releases and hotfixes. One structure is a simple cantilevered beam which can be used to study the results of the 3d scanning laser vibrometer and quantify the results with a wellknown solution. Windows 7 64bit for embedded systems and psv software preinstalled.
The scanning laser vibrometer or scanning laser doppler vibrometer, was first developed by the british loudspeaker company, celestion, around 1979, further developed in the 1980s, and commercially introduced by ometron, ltd around 1986. The laser beams from all scanning heads are targeted at a. Please use one of the following formats to cite this article in your essay, paper or report. With its buildin stabilized swir laser the optomet dual fiber vibrometer gets excellent signaltonoise ratio on nearly any test surfaces. The laser beam from the ldv is directed at the surface of interest, and the vibration amplitude and frequency are extracted from the doppler shift of the reflected laser beam frequency due to the motion of the surface. Polytec scanning laser doppler vibrometer vibration analysis. Polytec scanning vibrometers are time and costeffective tools for resolving noise and vibration issues during research and development in nvh, acoustics, structural dynamics and ultrasonics.
There has never been an easier or more precise way to determine operational deflection shapes and eigen modes. Advantage has been taken of the ldv to give a halfway house between the use of accelerometer arrays, which give frfs at very limited numbers of points, and field measurements, which have a much higher spatial resolution reference 1, for example. Application of laserdoppler vibrometers in hearing and. The at series laser doppler vibrometer can measure the vibration of an object without contact, by means of the optical heterodyne method. The psv500nb scanning vibrometer notebook allows noncontact, zeromassloading measurements, making it suitable for examining lightweight surfaces, as well as. Because real life happens in 3d 3d deflection shape measurement of microstructues with pm resolution for both outofplane and inplane motion mark the stateofthe art microscope based vibration measurement.
The psv400 scanning vibrometer comprises both stateoftheart hardware and software. The psv500 scanning vibrometer represents the fifth generation of an instrument that, because of its unique features, has become a vital asset for researchers and developers worldwide. Polytec psv500 3d scanning vibrometer netscope solutions. Thanks to ultradsp, optomets innovative digital signal processing technology, the vibrometer achieves highest accuracy in combination with an outstanding resolution of 1. Lambda photometrics ltd,lambda house,batford mill,harpenden,hertfordshire al5 5bz e.
Polytec update therefore always keeps you posted when there are updates for your polytec measurement or desktop software to ensure reliable measurement results and smooth working with polytec products. The psv scanning vibrometer measures vibrations on an entire surface in a noncontact and laser precise way. Scanning vibrometer psv4003d scanning vibrometer robovib structural test station msa500 micro system analyzer psv software scanning vibrometer options and accessories polytec scanning vibrometers polytec gmbh business unit optical measurement systems tel. The software is free for the visualization of digitally. The convenient way of sharing your scanning vibrometer measurement data with your colleagues. The system includes a laser vibrometer ofv 3001 and a scanning head ofv 056. Significant rail profile grinding has been performed over the years on this.
Rotational vibrometer the polytec 4000 series rotational vibrometer system is a portable, noncontact laser doppler system for measuring angular vibrations on rotating structures. Psv500 compact scanning vibrometer fullfield vibration. A camera inside the head delivers the picture of the object under test. Measurements were performed on transnets coal link line using a polytec scanning laser vibrometer psv400m220 as shown in figure 1. Openminded psv software with open data and control interfaces expandable to 3d system wide range of accessories and software options psv500 compact scanning vibrometer polytec scanning vibrometers are stateoftheart for noise and vibration measurement in research and development. The sound pressure output at any point in the halfspace sound field and the polar radiation characteristic are predicted by using mechanical data. The scn analysis software performs visualization, animation and analysis of the mechanical vibration using the scanned data which is provided by the vibrometer.
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