Shock Response Spectrum
Synthesis & Control
The Shock Response Spectrum (SRS) vibration testing package provides controls to meet a target Required Response Spectrum (RRS). Waveforms are automatically synthesized from a user specified SRS reference profile using sine wavelets. The Transient Control option allows control of imported transient files. Users can apply high frequency waveforms and alarm and abort tolerances to any active channel to provide an extra degree of safety for delicate test articles.
Waveform Synthesis Methods: control time waveform is generated from damped sine or sine beat components
Damped Sine Parameters: frequency, amplitude, critical damping factor, delay
Sine Beat Parameters: frequency, amplitude, number of half sine delays
Component Generation: auto or manually controlled
Synthesis Parameters: waveform duration, max % of error, max number of iterations
Shock Response Spectrum Synthesis & Control
Shock Response Spectrum Synthesis & Control
Unique Features in Shock Response Spectrum & Control
Vibration Visualization: The EDM Vibration Visualization feature is available in EDM VCS software all test types, including MIMO VCS. This option provides fast and efficient structural model generation and full 3D visualization of the online vibration pattern on the structure under test.
Multiple instances of EDM VCS can run simultaneously on the same computer. Each instance connects a Spider system to run the vibration controller software. All instances must run different tests. This feature provides a central place to control multiple Spider systems and perform vibration tests separately.
Black Box Mode: Operating Without a PC
A supported front-end can operate in Black Box mode which allows it to perform a test without a connected PC. In this mode, a PC is used only to configure the system before the test and then to download the data after the test is complete.
Multi-shaker control (MSC) is a unique feature offered enables users to view and monitor multiple shaker tests from one PC station. Up to 12 controllers can be accessed simultaneously.
Vibration Utilities App
Crystal Instruments in partnership with our sister shaker company Sentek Dynamics provides users with the Vibration Utilities mobile app on iOS and Android. This app provides calculation features for sizing your vibration profile (Random, Sine or Shock) and searches through our catalogue of shakers and controllers for the best fit.
Continuous Data Recording
During vibration control, all measurement input and drive signals can continuously record to a Spider-NAS or the internal storage residing in each front-end. Users can view and analyze data files with Crystal Instruments Post Analyzer. The variable sampling rate can be enabled to simultaneously record slow-change signals together with high speed vibration data.
Spider Vibration Testing Hardware
A Spider system can consist of one or more Spider hardware front-ends. The user constructs the system by combining Spider front-ends detected on the same LAN. The software validates and displays hardware attributes of each Spider front-end. The following hardware is supported by EDM VCS software for vibration control, monitoring, and data acquisition.
- Spider-81/81B Vibration Test Controller
- Spider-80X/80Xi High Channel Vibration Test Controller - Scale up to 512 Channels
- Spider-80M MIMO Vibration Test Control System
- Spider-80SG General Data Acquisition Device with Strain Measurement
Related Vibration Testing Software Options
- Classic Shock Vibration Testing
- Transient Time History Control (TTH)
- Transient Random Control for Vibration Testing
- Earthquake Testing Control Vibration Testing
Monitoring Through EDM Cloud
All vibration tests in EDM-VCS support status checks through EDM Cloud. With EDM Cloud support, users can set up any VCS test to upload live data or run logs for completed tests to a cloud storage space provided by Crystal Instruments, where data is securely stored in the user’s account.
The EDM Cloud website is located at https://cloud.go-ci.com. Users can access EDM Cloud from anywhere in the world to check the status of past and current tests. A secure login flow ensures the status can only be checked by authorized personnel with proper credentials. Multiple logins for accessing the same Cloud account is available.
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