Table of Contents >Quanser Rapid Control Prototyping Toolkit >VI and Function Reference >VIs - By Category >VI Categories >Discrete VIs and Functions >
Owning Palette: | Discrete |
Requirements: | Quanser Rapid Control Prototyping Toolkit, LabVIEW 2020 or newer, Control Design and Simulation Module |
Models, in the discrete-time domain, a second-order low-pass filter characterized by a cut-off frequency and a damping ratio.
x is the input signal to the second-order low-pass filter. |
cut-off frequency is the cut-off frequency (in radians per second, i.e., rad/s) of the second-order low-pass filter. |
damping ratio is the damping ratio of the second-order low-pass filter. |
x0 is the input signal initial condition to the second-order low-pass filter. |
sample time (in seconds, i.e., s) of the VI. |
y is the (filtered) output signal from the second-order low-pass filter. |
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yd is the time-derivative of the output signal from the second-order low-pass filter. |
The CL Discrete Second Order Low Pass Filter VI models, in the discrete-time domain, a second-order low-pass filter characterized by a cut-off frequency and a damping ratio. The filtered output is always continuous even after any parameter change (e.g., cut-off frequency and/or damping ratio).
The block diagram for this VI is shown below:
where ωn is the cut-off frequency and ζ is the damping ratio.
All input/output pairs of this function have direct feedthrough behaviour.
RCP CL Discrete Second Order Low Pass Filter Example |
CL Second Order Low Pass Filter | Models, in the continuous-time domain, a second-order low-pass filter characterized by a cut-off frequency and a damping ratio. |
Target |
Supported |
Comments |
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Yes |
Fully supported. |
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