Sumários

Lab02 - PID control Ev

1 março 2016, 14:00 Agostinho Cláudio da Rosa

Lab02 - PID control Ev

Second order system with delay
ZN margin stability Ku and Tu
Simulates the closed loop using Kc, verify that osculates and osculation period equal Tu
Check the PID controller results
Design the PID controller using the step response approximation (which is a bit far from the 1st order system.) to see the results of the PID controller obtained
Check the comparison between the 2 PID controllers and comment (margin approximation is probably better , why?)
Optional: manual tune the PID controller to obtain a better response, why is better?
Check on IAE method compare with stability margin method.
Optional: a unstable system margin method do not work, system always unstable step response may possible to estimate dominant unstable pole, but PID controller response terrible ?
Optimal method no chance ? 
Possible with  root-locus compensation ? possible to reach a stable system ? which is the the best you can get ?


Lab02 - PID control Ev

1 março 2016, 12:30 Agostinho Cláudio da Rosa

Lab02 - PID control Ev

Second order system with delay
ZN margin stability Ku and Tu
Simulates the closed loop using Kc, verify that osculates and osculation period equal Tu
Check the PID controller results
Design the PID controller using the step response approximation (which is a bit far from the 1st order system.) to see the results of the PID controller obtained
Check the comparison between the 2 PID controllers and comment (margin approximation is probably better , why?)
Optional: manual tune the PID controller to obtain a better response, why is better?
Check on IAE method compare with stability margin method.
Optional: a unstable system margin method do not work, system always unstable step response may possible to estimate dominant unstable pole, but PID controller response terrible ?
Optimal method no chance ? 
Possible with  root-locus compensation ? possible to reach a stable system ? which is the the best you can get ?


05 Decimation

1 março 2016, 09:30 Agostinho Cláudio da Rosa

05 Decimation

Rehearsal of Root-Locus,
Characteristics Equation
Matlab: rlocus
Reasons and examples of downsampling
Aliasing
Decimation or anti-aliasing filter
Decimation
Matlab:: downsample and decimation


04 PID Optimal and Root-Locus

25 fevereiro 2016, 12:00 Agostinho Cláudio da Rosa

04 PID Optimal and Root-Locus

Error Function Optimization: Criteria IE IAE ITE ITAE
Matlab demo of ZN PI, PID and IAE
Root Locus base theory - rehearsal
Progressive examples of Root-Locus
Interpretation using RL for Controllers Design


Lab01 Matlab Basics

23 fevereiro 2016, 14:00 Agostinho Cláudio da Rosa

 Matlab Revisited P1 - Systems Simulations

        Introduction to Matlab – most handy features

        Step response of open and closed loop systems

        Notes: remove corrupted s10s.edf by russekt.edf - added lonely_tunes.wav