ZV4IS - Zero vibration input shaper
You need to have Java installed to run the virtual labs. Click the Launch button to download the lab installer to your computer. By clicking on the downloaded JNLP file, the lab will be automatically installed and launched. Virtual labs use Java Web Start technology.
The simulator demonstrates the features of ZV4IS function block - zero vibration input shaper based on FIR bandstop filter. The principle can be evaluated on gantry crane 3D virtual model. The aim is to avoid load oscillations during transport. User can change the rope length, compute model natural frequency and switch the shaping filters for both x and y axis. ZV4IS works as a band stop filter which attenuates the natural frequency. When the filter is switched off, it can be checked how difficult is the manual control of the crane movement. The detailed description is available in the reference manual.
How to start the simulator?
Before starting the simulator (applet) by START button, the sampling period can be set in the field Sampling time. The continous applet running can be stopped by STOP button or paused by PAUSE button. The simulation speed can be adjusted by the slider. The re-init button reset all parameters to initial state.
All parameters of active blocks (non-shadow) can be changed in the dialog which is invoked by cliking at the block. Detailed description of block parameters is available in Function blocks reference manual.