Types of Vibration Control

 
 

Vibration Research designs and manufactures leading edge vibration control systems for all brands of electrodynamic and servohydraulic shakers, as well as portable dynamic signal analyzers.

Vibration control systems include hardware vibration controllers and the vibration control software, providing a multi-point control of complex structures, all with an intuitive user interface and easy setup.

VR Hardware

Vibration Research hardware is designed and engineered to provide superior value, including exceptional performance, accurate testing, and user-friendly features. The controllers use a standard hardware platform and include pre-shipment testing and a hardware warranty for ensured reliability.

 
VR9500 (top) and VR10500 (bottom) - Vibration Controller Hardware

VR9500 (top) and VR10500 (bottom) - Vibration Controller Hardware

 

VR9500 General Specification:

  • 1 to 128 channels, 4 channel units (mix-n-match)

  • 26,000 lines of resolution

  • Control sine, random, or shock vibration to 50,000Hz

  • Total harmonic distortion < -100dB THD+N

  • Digital remote Inputs/Outputs

  • Emergency stop G

VR10500 General Specification:

  • 16 to 512 channels, 16 channel units (mix-n-match)

  • 26,000 lines of resolution

  • Control sine, random, or shock vibration to 50,000Hz

  • Total harmonic distortion < -100dB THD+N

  • Digital remote Inputs/Outputs

  • Emergency stop

 
ObserVR1000 - Vibration Controller

ObserVR1000 - Vibration Controller

 

The ObserVR1000 can be used as a portable dynamic signal analyzer and vibration controller. No special boards, drivers, or PC are required. Simply press the record button to begin streaming data to the onboard SD card. Customize, monitor, and report your data with any smartphone, tablet, or laptop.

ObserVR1000 General Specification:

  • 4 to 128 inputs

  • Gigabit Ethernet

  • WiFi connection 802.11 b/g/n

  • Onboard memory SD card

  • GPS

  • 6+ hour battery life

  • Tachometer inputs

  • Audio input jack

  • Digital remote I/O

  • Emergency stop

  • 3.3lbs | 1.5kg

  • 9.82" L x 6.33" W x 2.18" H

VR Software

Vibration Research software packages run on all their hardware platforms and can be configured for as many or as few test modules as you like (à la carte). You may add more at any time. Test modules are also available to rent for short-term needs and are easily activated via electronic key.

Vibration Research is the leader in the field of vibration control. The advantage is clear: Innovation. Its proprietary testing innovations include Field Data Replication, Fatigue Damage Spectrum, Kurtosion® and Instant Degrees of Freedom®.

VR software packages

 

SINE

Automatically detect resonances using a swept and/or fixed-frequency sine wave test with control of acceleration, velocity, and displacement. Then, use a sine resonance tracked dwell (SRTD) test to determine the number of cycles required to generate a failure at a specific resonant frequency. Sine features include easy test entry, configurable tracking filters on input channels, and a large numeric readout.

Types of Vibration Control, Vibration Testing Machine

SHOCK

Classical shock testing confirms product durability by employing a sharp transfer of energy with a pre-defined shock pulse or user-defined transient pulse. Perform closed-loop control of transient waveforms with the Shock software.

Types of Vibration Control, Vibration Testing Machine

EARTHQUAKE

Generate shock tests that conform to common seismic test specifications such as Bellcore/Telcordia and IEEE344 standards. Run a shock pulse defined by a frequency vs. G peak table, perform multi-axis control, and access various waveform synthesis generation techniques.

Types of Vibration Control, Vibration Testing Machine

SINE RESONANCE TRACK & DWELL (SRTD)

After determining transmissibility peaks, run a dwell test at resonant frequencies for a specified time duration or number of sine wave cycles. Sine resonance track & dwell (SRTD) excites the known resonance until failure or sufficient time has passed without failure. SRTD is a feature of the Sine software.

Types of Vibration Control, Vibration Testing Machine

RANDOM-ON-RANDOM

There are complex vibration environments where random vibration presents as both random background energy and narrow-band signals. Use Random-on-Random to run a controlled spectrum random vibration test. Random-on-Random is one of the three mixed-mode testing modules in VibrationVIEW.

Types of Vibration Control, Vibration Testing Machine

MIXED MODE

A vibration environment is not always purely random or sinusoidal, but rather a combination of vibration modes. Mixed-mode vibration testing is used to simulate these complex field environments. VibrationVIEW includes three methods of mixed-mode testing: Sine-on-Random, Random-on-Random, and Sine-on-Sine.

Types of Vibration Control, Vibration Testing Machine

TRANSIENT CAPTURE

Record a transient waveform during data acquisition to use in post-processing. Define the triggering and data capture settings pre-test and allow the software to handle the rest. Use the captured waveform(s) alongside the acquired data or for analysis with the shock response spectrum (SRS).

Types of Vibration Control, Vibration Testing Machine

KURTOSIS

Vibration Research’s patented kurtosis control adds a third dimension to random vibration testing when the in-service vibration environment is not Gaussian.

Types of Vibration Control, Vibration Testing Machine

RecorderVIEW

The VR9500 and VR10500 hardware controllers can function as a data acquisition system with RecorderVIEW. The software can stream all inputs and outputs to the hard drive of a PC while running other test modes, or the hardware can be used on its own as a field data recorder.

Types of Vibration Control, Vibration Testing Machine

FIELD DATA REPLICATION (FDR)

Reproduce recorded field acceleration measurements on a shaker with FDR. The software performs an iterative time-history playback to replicate waveforms, including high peak accelerations.

Types of Vibration Control, Vibration Testing Machine

3-AXIS CONTROL

Replicate the operational environment of your device by running a vibration test in the three linear directions. The VibrationVIEW software allows 2 to 3 test profiles and 2 to 3 control loops to be performed on the x, y, or z-axis.

Types of Vibration Control, Vibration Testing Machine

SMALL SATELLITE

Test engineers use vibration testing to verify that a small satellite such as a CubeSat can withstand the launch environment. VibrationVIEW has several software modules that are often applied during CubeSat vibration testing, including shock and random vibration testing and sine sweeps.

Types of Vibration Control, Vibration Testing Machine

WEB SERVER

With the Web Server and Email Notifications feature, engineers can monitor a system’s status anywhere in the company or anywhere in the world with a cell phone or computer. The Web and Email options eliminate expensive down-time. Send the emails to your cell phone at the end of a test or view the test live with the Remote Interface option.

Types of Vibration Control, Vibration Testing Machine

ACTIVEX

Use the ActiveX interface to integrate your vibration controller with your manufacturing process. Control your test and evaluate controller status and graph data from LabVIEW, Visual BASIC, and other programs.

Types of Vibration Control, Vibration Testing Machine

CHATTER MONITOR

Monitor the opening and closing of mechanical contacts due to shock vibration. With the VR9000/VR10500 hardware and Chatter Monitoring package, users can evaluate each chatter event in a test and generate a report. Record the test with RecorderVIEW and then open and playback the file.

Types of Vibration Control, Vibration Testing Machine

AUTOMOTIVE VIBRATION TESTING

Automotive testing is critical during vehicle development and allows test engineers to characterize the effect of long-term road-induced vibration and shock. Vibration Research offers a comprehensive suite of software options that address the many testing requirements for automotive vibration testing.

Types of Vibration Control, Vibration Testing Machine

CONSUMER GOODS

Consumer goods is a competitive market, and vibration testing is critical to company integrity and device reliability and robustness. Tests include environmental conditioning (HALT/HASS), package validation, and accelerated fatigue testing.

Types of Vibration Control, Vibration Testing Machine

ELECTRONICS VIBRATION TESTING

Electronic vibration testing encompasses a variety of products we use in daily life. Addressing design failures, shipping & handling flaws, and assembly errors before entering the marketplace is a must to ensure device longevity.

Types of Vibration Control, Vibration Testing Machine

MILITARY & DEFENSE VIBRATION TESTING

Military hardware supplied to defense contractors and governments calls for meticulous testing to ensure the durability of components, electronics, and assemblies. Military vibration testing plays an imperative role in achieving the industry’s goal to protect citizens and advance technology.

Types of Vibration Control, Vibration Testing Machine

TESTING LABS

Independent environmental test laboratories are used as a quick and easy way to outsource tests. These labs simulate all internal and external conditions such as shock, vibration, temperature, humidity, etc. Many of these labs trust Vibration Research control software and support for best results.

Types of Vibration Control, Vibration Testing Machine

UNIVERSITY TESTING LABS

Vibration Research works closely with the vibration education departments at universities and colleges around the world providing our very best offerings to the students and faculty in order to produce competent and capable engineers for the work force. License keys that allow for multiple users and multiple software modules are essential in this setting.

RANDOM

Gain a comprehensive understanding of a product’s response to the vibrations it will encounter in its environment of use. With up to 26,000 lines of control, Random provides the highest possible control in an easy-to-use format. Analyze random data with a comprehensive suite of graph display options or generate a test from recorded data with our advanced test development options.

Types of Vibration Control, Vibration Testing Machine

TEST ACCELERATION

Generate an accelerated vibration test profile to estimate a DUT’s life expectancy and determine the potential failures with standard use. The vibration Test Acceleration software package includes three industry-leading methods for accelerating test profiles: FDS for random, SRS for shock, and Vibration Research’s STAG for sine-on-random.

Types of Vibration Control, Vibration Testing Machine

SHOCK RESPONSE SPECTRUM (SRS)

The Shock Response Spectrum (SRS) package adds SRS plots to VibrationVIEW’s Shock and Transient Capture test modes. Define SRS parameters and synthesize a pulse to meet a specified SRS curve. The package includes a variety of waveform synthesis generation techniques.

Types of Vibration Control, Vibration Testing Machine

SINE-ON-RANDOM

Sinusoidal and random vibration can, and often do, exist simultaneously. With Sine-on-Random, generate sine and random vibrations together and simulate the service environment of a device under test where both modes are present. Sine-on-Random is one of the three mixed-mode testing modules in VibrationVIEW.

Types of Vibration Control, Vibration Testing Machine

SINE-ON-SINE

Fatigue testing may require multiple sine sweeps through the frequency range at different sweep rates. Use Sine-on-Sine to run a multi-sine vibration test and excite up to 32 sine tones simultaneously. Sine-on-Sine is one of the three mixed-mode testing modules in VibrationVIEW.

Types of Vibration Control, Vibration Testing Machine

FATIGUE DAMAGE SPECTRUM

Use recorded data to create an accelerated random test that represents a lifetime of fatigue damage. The user sets the configurable parameters, and the FDS software handles the rest. With one click, you can control a new test profile on a shaker system.

Types of Vibration Control, Vibration Testing Machine

INSTANT DEGREES OF FREEDOM (iDOF)

iDOF® is Vibration Research’s patented random vibration test module that provides the smoothest control lines in the industry. It allows companies to run highly accurate vibration tests in a condensed period, ensuring that the product is tested for just the right amount of time.

Types of Vibration Control, Vibration Testing Machine

TRANSIENT WAVEFORMS CONTROL

Create a waveform with pre-defined equations or enter an equation of your own to create a specified waveform. Available synthetic pulse types include sine beat, cosine beat, triple sine beat, linear chirp, exponential chirp, burst random, and enveloped burst random.

Types of Vibration Control, Vibration Testing Machine

ANALYZER

Gain a deeper understanding of complex relationships between signals that are not readily apparent in basic graphs. The optional Analyzer module enhances Sine, Random, and Shock tests by comparing the characteristics of two or more signals in a series of graphs. It includes additional graphing capabilities, plots, configurable function generators, and more

Types of Vibration Control, Vibration Testing Machine

ACCELEROMETER CALIBRATION

Perform automatic and accurate calibration and verification of IEPE and charge mode piezoelectric accelerometers or transducers in your own lab. This calibration verification software (VR9106) provides an easy interface to calculate accelerometer sensitivity.

Types of Vibration Control, Vibration Testing Machine

MULTI-LOOP / FOUR-POST CONTROL 

Use multiple shakers to control one test item on a single axis. With the Vibration Research control system, individually control two, three, or four loops with the same or different profiles.

Types of Vibration Control, Vibration Testing Machine

DUAL AXIS WITH PHASE CONTROL

Test oversized products by synchronizing two shakers with the same test profile. The VR9500 and VR10500 vibration controllers can perform dual-loop control in the Sine, Random, and Shock test modes. Control methods include independent, differential, magnitude-only, and equal control.

Types of Vibration Control, Vibration Testing Machine

REMOTE OPTIONS

Use the remote terminals to connect your controller to the operator station. Options include VR9601 (Digital Remote I/O) and VR9602 (Digital Remote I/O with Analog Inputs).

Types of Vibration Control, Vibration Testing Machine

DC OFFSET

Use the COLA output on a VR controller hardware as a secondary control loop and control the DC offset of a select input channel. The user can specify which channel to use for closed-loop control as well as the scaling factor for the DC output.

Types of Vibration Control, Vibration Testing Machine

RANDOM IMPORT

Random vibration testing is used to replicate the vibrations the product will encounter in its environment of use. With Random Import, create a random test profile with recorded data and analyze the statistics from the time-history recording. A feature of the Random testing module.

Types of Vibration Control, Vibration Testing Machine

ROTATIONAL ANGULAR ACCELERATION

Control angular or rotational acceleration with multi-axis rotational control, which enables 360-degree movement with plate and tilt adjustment. Specifically, access the software to perform the GMW14201 specification from General Motors Corporation.

Types of Vibration Control, Vibration Testing Machine

AEROSPACE VIBRATION TESTING

Aerospace vibration testing requires adequate test severities and consistent, repeatable results. Vibration Research offers many aerospace testing solutions, including short-duration random tests, high-channel-count control, shock response spectrum, and more.

Types of Vibration Control, Vibration Testing Machine

MEDICAL VIBRATION TESTING

In the medical industry, the use of vibration testing is critical since hidden damage from vibration can have significant side affects. Vibration affects individual components in a product, the product itself, the product with packaging and packages stacked together.

Types of Vibration Control, Vibration Testing Machine

PACKAGING VIBRATION TESTING

Packaging vibration testing develops protocols and design standards that define how packages should perform to ensure the protection of their contents during the ever-changing risks of the global distribution environment.

Types of Vibration Control, Vibration Testing Machine

SEISMIC VIBRATION TESTING

Seismic vibration testing simulates the conditions of an earthquake to determine a structure’s response to a transient event and prevent damage and injury in the event of an actual earthquake. Vibration Research’s SRS, Transient Waveforms Control, and other software modules fulfill many of the standards for seismic vibration testing.