Ensure Structural Integrity
Seismic vibration testing is recommended or required for building construction, critical systems, nuclear power, lighting, and power distribution. Most often, engineers use the shock response spectrum (SRS) to design structure resonances, define seismic test specifications, and replicate failure modes. Vibration Research’s Shock Response Spectrum, Transient Waveform Control, and other software modules fulfill many of the standards for seismic vibration testing.
Fulfill Seismic Test Specifications
Generate test profiles or enter specifications with ease. The VibrationVIEW interface is intuitive and user-friendly, and the software is industry-leading. Access standard vibration testing modes built for ease of use and advanced features you won’t find anywhere else.
Full VibrationVIEW Software Package
Shock Response Spectrum (SRS)
Transient Waveforms Control
Using Recorded Data to Improve SRS Development
Test engineers can select from several synthetic waveform methods to create an SRS pulse, with the best choice depending on the application. However, often there is no synthetic waveform that closely matches a real-world transient event. Therefore, engineers need a better and more realistic way to create an SRS test.
A modified user waveform based on an enveloped set of recordings maintains real-world characteristics and creates an SRS waveform that accurately reflects the recorded events.
Engineers use an SRS test to evaluate a device’s response to a transient event likely to occur in the end environment. In VibrationVIEW, define the SRS parameters and synthesize a pulse to meet a specified SRS curve.
– EASY TEST ENTRY
Enter frequency/amplitude breakpoints of the background random acceleration spectrum in an easy-to-read tabular form. Two hundred separate frequency/amplitude breakpoints can be entered, allowing for the entry of virtually any test.
– TEST GENERATION TECHNIQUES
Supports many generation test techniques including linear and exponential chirp, WavSyn, burst random, linear and exponential- chirp on burst random, enveloped random, and burst sine. Alternatively, iterate from a user waveform.
– MANUAL WAVELET MANIPULATION
Manually adjust the parameters of the underlying wavelets or allow VibrationVIEW to automatically create and run a test without intervention.
– DATA PLOTS
SRS pseudo velocity and SRS acceleration plots; acceleration for primary (+), primary (-), or maxi-maxi.
High Channel Count Systems
VR10500 Vibration Controller
The VR10500 is a high-powered option for advanced vibration testing. VR engineered the VR10500 to coordinate with high-channel-count and multi-shaker systems. It is an advanced hardware system for complex applications.
- 16+ channel systems
- Up to 512 input channels
- Multiple shaker systems
- Up to 6 outputs (4 analog and 2 digital)
- Controller and analyzer combination
- Advanced controller configurations
VR’s vibration controllers and vibration control software are comparable with any electrodynamic or servohydraulic shaker.
Does your lab require larger shakers? VR can help!
Our qualified sales team can work with you to select the right equipment at the right price. We’ll put together a custom package of hardware, software, and shakers for all your foreseeable testing needs.
Does your vibration testing involve products containing electromagnetic relays or motor contactors? If so, there is the possibility that vibration events may cause chatter in your electromagnetic relay. Vibration Research’s VibrationVIEW software offers a chatter monitoring package capable of detecting and measuring chatter events.
Whether you are involved in seismic vibration testing of a product with relays or motor contactors, concerned about possible discontinuities in your relays, or need to evaluate the acceptance criteria for your relays (IEEE 501; ANSI C37.98), VibrationVIEW’s chatter monitoring capabilities will serve you well.
The Transient Waveforms Control software module allows the user to create arbitrary periodic waveforms. User-defined transients offer better control of short-duration time history files, transient events, or short road load data.
User-Defined Transient/SRS Control Modification
Use a synthetic pulse or user-defined time history waveform as the starting point, and VibrationVIEW will modify the wavelets to adjust the time history waveform and meet the SRS demand.
- Minor adjustments made to the original time history
- Meet or exceed RRS
- Control on SRS vs. UDT
- Adjusts wavelets to meet the required response spectrum
IEEE-344 Earthquake Control
IEEE STD-344 defines the procedures that demonstrate that Class 1E equipment can perform during a seismic event. The equipment’s functionality must ensure that the reactor is in a safe condition after shutdown and prevent or minimize the possibility of public radiation exposure.
The VibrationVIEW software can perform several IEEE 344 procedures, including:
- Input filtering for measurement of zero period acceleration (Annex A)
- Multiple damping plots (Annex A)
- Time interval waterfall PSDs (Annex B)
- Sine beat/dwell/sweep fragility testing (Annex C)
- Peak stress cycle counting (Annex D)
- Coherence plots (Annex E)
- Correlation plots (Annex E)
Bellcore (Telcordia) GR-63-Core Application
Telecommunications equipment in some North American networks must conform to hardware requirements to avoid damage or malfunction imposed by environmental stressors such as a seismic event. The Network Equipment Building System (NEBS) created the Bellcore GR-63-CORE standard (formerly Telcordia) that defines the spatial and environmental criteria for equipment in these regions.
The VibrationVIEW software can run earthquake tests that meet the Bellcore standard and any other earthquake time history waveform.
Verizon Seismic Testing with VibrationVIEW
The VR9500/VR10500 can be used to control multi-shaker systems such as electrodynamic, servo-electric, and servo-hydraulic systems. Available multi-shaker control options including dual-axis with phase control, 3-axis (x-y-z) control, multi-loop (4-post) control, and earthquake controls.
Data Acquisition & Analysis Applications Summary
- Event Triggering
- Transient Capture
- High Channel Count DAQ
- In-Building Data Acquisition
- Video/Data Synchronization
- Order Tracking & Analysis
- PSD Analysis
- FFT Analysis
- And more…