Adopting multivariable control strategy is greatly expanding the frequency control range, VibExpert control software for VENZO vibration controller can realize continuous sine sweep test from 0.01Hz to 25600Hz, the dynamic range of controllable sine acceleration signal is up to 150dB. Especially for hydraulic shaker table, join with the displacement control channel, greatly improving the low frequency control precision, effectively avoid the runaway phenomenon under the traditional acceleration control, such as hydro-cylinder collision, over displacement and so on. By the way, waveform distortion is also effectively improved with multivariable control strategy.
Figure1 Continuous Swept Sine Test from 0.01H to 25600Hz
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