User`s guide

Identifying Input-Output Polynomial Models
Identifying Input-Output Polynomial M odels
In this section...
“What Are Black-Box Polynomial Models?” on page 3-41
“Data Supported by Polynomial Models” o n page 3-48
“Preliminary Step – Estimating Model Orders and Input Delays” on page
3-49
“How to Estimate Polynom ial Models in the GUI” o n page 3-57
“How to Estimate Polynomial Models at the Command Line” on page 3-60
“Options for Multiple-Input and Multiple-Output ARX Orders” on page 3-64
“Option for Frequency-Weighing Focus” on page 3-65
“Options for Initial States” on page 3-66
“Algorithms for Estimating Polynomial Models” on page 3-66
“Example – Estimating Mod els Us ing arm a x” on p age 3 -67
What Are Black-Box Polynomial Models?
• “Polynomial Model Structure” on page 3-42
• “Understanding the Time-Sh ift Operator q” on page 3-43
• “Definition of a Discrete-Time Polynomial M odel” on page 3-43
• “Definition of a Continuous-Time Polynomial Model” on page 3-46
• “Definition of Multiple-Output ARX M odels” on page 3 -46
3-41