5preparation

5preparation - Data preparation for System IdentiFcation...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Data preparation for System IdentiFcation Carpentry APC04 Vancouver Joint Modeling & Control Design Preparation and prejudice The sugar mill is available for experiment We need to get some prejudicial decision made before we can start delving into System IdentiFcation via matlab toolbox Almost all our work goes into this section of modeling In this way System IdentiFcation is more like painting Variables needing speciFcation Model structure - parametrization of and Experiment design - reference input selection Data selection - not all data is suited to linear modeling Data Fltering - to re¡ect our control objective ˆ H ( z, θ ) ˆ P ( z, θ ) APC04 Vancouver Joint Modeling & Control Design Formulations P(z) H(z) + C(z) + r(t) reference u(t) input v(t) y(t) output white noise n(t) disturbance controller plant disturbance model lim N →∞ 1 N N k =1 L ( z )[ y k- ˆ y k | k- 1 ] 2 = 1 2 π π- π P ( e j ω )- ˆ P ( e j ω , θ ) 2 | 1 + P ( e j ω ) C ( e j ω ) | 2 C ( e j ω ) 2 Φ r ( ω ) + 1 + ˆ P ( e j ω , θ ) C ( e j ω ) 2 | 1 + P ( e j ω ) C ( e j ω ) | 2 H ( e j ω ) 2 L ( e j ω ) 2 ˆ H ( e j ω , θ ) 2 d ω APC04 Vancouver Joint Modeling & Control Design Model structure selection We really insist on as simple a model as is possible Parsimony plus - we need to use the model for control design...
View Full Document

This note was uploaded on 05/27/2010 for the course MAE MAE143B taught by Professor Prof.bitmead during the Spring '10 term at UCSD.

Page1 / 15

5preparation - Data preparation for System IdentiFcation...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online