System Identification Case Study (System Identification Toolkit)
This case study guides you through the system identification process. The case study uses sample data that the LabVIEW System Identification Toolkit provides in the SI Data Samples VI. The SI Data Samples VI includes data sets for a DC motor, a flexible robot arm, a ball and beam apparatus, an RC circuit, and so on. This case study uses the flexible arm data to demonstrate the system identification process and to compare different estimation methods.
The flexible arm is a nonlinear dynamic system. The System Identification Toolkit enables you to build models for systems linearly. This case study guides you through obtaining a linear representation of a nonlinear system.
Refer to the labview\examples\system identification\SICaseStudy1.llb to access the VIs in this case study.
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In addition to this case study, you can find the following system identification case studies in this help file.
The partially known model estimation case study guides you through estimating a state-space model by using prior knowledge about the system you want to define. The frequency-domain model estimation case study guides you through estimating a state-space and transfer function model by using frequency-domain data.