Control package: Difference between revisions
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| rss || style="background: red;" | no || || || || || | | rss || style="background: red;" | no || || || || || | ||
|- | |- | ||
| rowspan="24" | Tunable Models || ltiblock.gain || style="background: red;" | no || | | rowspan="24" | Tunable Models || ltiblock.gain || style="background: red;" | no || || || || | ||
|- | |- | ||
| ltiblock.pid || style="background: red;" | no || | | ltiblock.pid || style="background: red;" | no || || || || | ||
|- | |- | ||
| ltiblock.pid2 || style="background: red;" | no || | | ltiblock.pid2 || style="background: red;" | no || || || || | ||
|- | |- | ||
| ltiblock.ss || style="background: red;" | no || | | ltiblock.ss || style="background: red;" | no || || || || | ||
|- | |- | ||
| ltiblock.tf || style="background: red;" | no || | | ltiblock.tf || style="background: red;" | no || || || || | ||
|- | |- | ||
| realp || style="background: red;" | no || | | realp || style="background: red;" | no || || || || | ||
|- | |- | ||
| AnalysisPoint || style="background: red;" | no || | | AnalysisPoint || style="background: red;" | no || || || || | ||
|- | |- | ||
| genss || style="background: red;" | no || | | genss || style="background: red;" | no || || || || | ||
|- | |- | ||
| genfrd || style="background: red;" | no || | | genfrd || style="background: red;" | no || || || || | ||
|- | |- | ||
| genmat || style="background: red;" | no || | | genmat || style="background: red;" | no || || || || | ||
|- | |- | ||
| getLoopTransfer || style="background: red;" | no || | | getLoopTransfer || style="background: red;" | no || || || || | ||
|- | |- | ||
| getIOTransfer || style="background: red;" | no || | | getIOTransfer || style="background: red;" | no || || || || | ||
|- | |- | ||
| getSensitivity || style="background: red;" | no || | | getSensitivity || style="background: red;" | no || || || || | ||
|- | |- | ||
| getCompSensitivity || style="background: red;" | no || | | getCompSensitivity || style="background: red;" | no || || || || | ||
|- | |- | ||
| getPoints || style="background: red;" | no || | | getPoints || style="background: red;" | no || || || || | ||
|- | |- | ||
| replaceBlock || style="background: red;" | no || | | replaceBlock || style="background: red;" | no || || || || | ||
|- | |- | ||
| getValue || style="background: red;" | no || | | getValue || style="background: red;" | no || || || || | ||
|- | |- | ||
| setValue || style="background: red;" | no || | | setValue || style="background: red;" | no || || || || | ||
|- | |- | ||
| getBlockValue || style="background: red;" | no || | | getBlockValue || style="background: red;" | no || || || || | ||
|- | |- | ||
| setBlockValue || style="background: red;" | no || | | setBlockValue || style="background: red;" | no || || || || | ||
|- | |- | ||
| showBlockValue || style="background: red;" | no || | | showBlockValue || style="background: red;" | no || || || || | ||
|- | |- | ||
| showTunable || style="background: red;" | no || | | showTunable || style="background: red;" | no || || || || | ||
|- | |- | ||
| nblocks || style="background: red;" | no || | | nblocks || style="background: red;" | no || || || || | ||
|- | |- | ||
| getLFTModel || style="background: red;" | no || | | getLFTModel || style="background: red;" | no || || || || | ||
|- | |- | ||
| rowspan="9" | Model with Time Delays || pade || style="background: red;" | no || || || || | | rowspan="9" | Model with Time Delays || pade || style="background: red;" | no || || || || | ||
|- | |- | ||
| absorbDelay || style="background: red;" | no || || || || | | absorbDelay || style="background: red;" | no || || || || | ||
|- | |- | ||
| thiran || style="background: green;" | yes || thiran.m || || || || | | thiran || style="background: green;" | yes || thiran.m || || || || | ||
|- | |- | ||
| hasdelay || style="background: red;" | no || || || || | | hasdelay || style="background: red;" | no || || || || | ||
|- | |- | ||
| hasInternalDelay || style="background: red;" | no || || || || | | hasInternalDelay || style="background: red;" | no || || || || | ||
|- | |- | ||
| totaldelay || style="background: red;" | no || || || || | | totaldelay || style="background: red;" | no || || || || | ||
|- | |- | ||
| delayss || style="background: red;" | no || || || || | | delayss || style="background: red;" | no || || || || | ||
|- | |- | ||
| setDelayModel || style="background: red;" | no || || || || | | setDelayModel || style="background: red;" | no || || || || | ||
|- | |- | ||
| getDelayModel || style="background: red;" | no || || || || | | getDelayModel || style="background: red;" | no || || || || | ||
|- | |- | ||
| rowspan="26" | Model Attributes || get || style="background: green;" | yes || @iddata/get.m || || || || | | rowspan="26" | Model Attributes || get || style="background: green;" | yes || @iddata/get.m || || || || | ||
Revision as of 08:06, 25 September 2015
The control package is part of the Octave Forge project.
Function list
Linear System Representation
| Chapter | Function | Implemented | File | Number of Tests | Status | SLICOT functions | Priority (0-2) |
|---|---|---|---|---|---|---|---|
| Basic Models | tf | yes | @tf/tf.m | ||||
| zpk | yes | zpk.m | |||||
| ss | yes | @ss/ss.m | |||||
| frd | yes | @frd/frd.m | |||||
| pid | no | ||||||
| pidstd | no | ||||||
| pid2 | no | ||||||
| dss | yes | @lti/dss.m | |||||
| drss | no | ||||||
| filt | yes | filt.m | |||||
| rss | no | ||||||
| Tunable Models | ltiblock.gain | no | |||||
| ltiblock.pid | no | ||||||
| ltiblock.pid2 | no | ||||||
| ltiblock.ss | no | ||||||
| ltiblock.tf | no | ||||||
| realp | no | ||||||
| AnalysisPoint | no | ||||||
| genss | no | ||||||
| genfrd | no | ||||||
| genmat | no | ||||||
| getLoopTransfer | no | ||||||
| getIOTransfer | no | ||||||
| getSensitivity | no | ||||||
| getCompSensitivity | no | ||||||
| getPoints | no | ||||||
| replaceBlock | no | ||||||
| getValue | no | ||||||
| setValue | no | ||||||
| getBlockValue | no | ||||||
| setBlockValue | no | ||||||
| showBlockValue | no | ||||||
| showTunable | no | ||||||
| nblocks | no | ||||||
| getLFTModel | no | ||||||
| Model with Time Delays | pade | no | |||||
| absorbDelay | no | ||||||
| thiran | yes | thiran.m | |||||
| hasdelay | no | ||||||
| hasInternalDelay | no | ||||||
| totaldelay | no | ||||||
| delayss | no | ||||||
| setDelayModel | no | ||||||
| getDelayModel | no | ||||||
| Model Attributes | get | yes | @iddata/get.m | ||||
| set | yes | @iddata/set.m | |||||
| tfdata | yes | @lti/tfdata.m | |||||
| zpkdata | yes | @lti/zpkdata.m | |||||
| ssdata | yes | @lti/ssdata.m | |||||
| frdata | yes | @lti/frdata.m | |||||
| piddata | no | ||||||
| pidstddata | no | ||||||
| piddata2 | no | ||||||
| pidstddata2 | no | ||||||
| dssdata | yes | @lti/dssdata.m | |||||
| chgFreqUnit | no | ||||||
| chgTimeUnit | no | ||||||
| isct | yes | @lti/isct.m | |||||
| isdt | yes | @lti/isdt.m | |||||
| isempty | yes | built-in function | |||||
| isfinite | yes | built-in function | |||||
| isParametric | no | ||||||
| isproper | no | ||||||
| isreal | yes | built-in function | |||||
| isiso | no | ||||||
| isstable | yes | @lti/isstable.m | |||||
| isstatic | no | ||||||
| order | no | ||||||
| ndims | yes | built-in function | |||||
| size | yes | built-in function | |||||
| Model Arrays | stack | no | |||||
| nmodels | no | ||||||
| permute | yes | built-in function | |||||
| reshape | yes | built-in function | |||||
| repsys | yes | repsys.m |
Model Interconnection
| Function | Implemented | File | Status | SLICOT functions | Priority |
|---|---|---|---|---|---|
| feedback | yes | @lti/feedback.m | |||
| connect | yes | @lti/connect.m | |||
| sumblk | yes | sumblk.m | |||
| series | no | ||||
| parallel | no | ||||
| append | yes | append.m | |||
| blkdiag | yes | @lti/blkdiag.m | |||
| imp2exp | no | ||||
| inv | yes | built-in function | |||
| lft | no | ||||
| connectOptions | no |
Model Transformation
| Chapter | Function | Implemented | File | Status | SLICOT functions | Priority |
|---|---|---|---|---|---|---|
| Model Type Conversion | pidstd2 | no | ||||
| make1DOF | no | |||||
| make2DOF | no | |||||
| getComponents | no | |||||
| Continuous-Discrete Conversion | c2d | yes | @lti/c2d.m | |||
| d2c | yes | @lti/d2c.m | ||||
| d2d | yes | @lti/d2d.m | ||||
| upsample | no | |||||
| c2dOptions | no | |||||
| d2cOptions | no | |||||
| d2dOptions | no | |||||
| Model Simplification | hsvd | yes | hsvd.m | |||
| hsvplot | no | |||||
| sminreal | yes | @lti/sminreal.m | ||||
| balred | no | |||||
| minreal | yes | @lti/minreal.m | ||||
| balreal | no | |||||
| modred | no | |||||
| balredOptions | no | |||||
| hsvdOptions | no | |||||
| State-Coordinate Transformation | canon | no | ||||
| prescale | yes | @lti/prescale.m | ||||
| ss2ss | no | |||||
| xperm | yes | @lti/xperm.m | ||||
| Modal Decomposition | modsep | no | ||||
| stabsep | no | |||||
| freqsep | no | |||||
| stabsepOptions | no | |||||
| freqsepOptions | no |
Linear Analysis
| Chapter | Function | Implemented | File | Status | SLICOT functions | Priority |
|---|---|---|---|---|---|---|
| Time-Domain Analysis | linearSystemAnalyzer | no | ||||
| impulseplot | no | |||||
| initialplot | no | |||||
| lsimplot | no | |||||
| stepplot | no | |||||
| covar | yes | covar.m | ||||
| impulse | yes | impulse.m | ||||
| initial | yes | initial.m | ||||
| lsim | yes | lsim.m | ||||
| step | yes | step.m | ||||
| lsiminfo | no | |||||
| stepinfo | no | |||||
| stepDataOptions | no | |||||
| Frequency-Domain Analysis | bodeplot | no | ||||
| nicholsplot | no | |||||
| nyquistplot | no | |||||
| sigmaplot | no | |||||
| bode | yes | bode.m | ||||
| nichols | yes | nichols.m | ||||
| nyquist | yes | nyquist.m | ||||
| sigma | yes | sigma.m | ||||
| evalfr | no | |||||
| freqresp | yes | @lti/freqresp.m | ||||
| bandwidth | yes | built-in function | ||||
| dcgain | yes | @lti/dcgain.m | ||||
| getGainCrossover | no | |||||
| getPeakGain | no | |||||
| Stability Analysis | pole | yes | @lti/pole.m | |||
| zero | yes | @lti/zero.m | ||||
| damp | no | |||||
| dsort | no | |||||
| esort | no | |||||
| tzero | no | |||||
| pzplot | no | |||||
| iopzplot | no | |||||
| allmargin | no | |||||
| margin | yes | margin.m | ||||
| Plot Customization | bodeoptions | no | ||||
| hsvoptions | no | |||||
| nicholsoptions | no | |||||
| nyquistoptions | no | |||||
| pzoptions | no | |||||
| sigmaoptions | no | |||||
| timeoptions | no | |||||
| setoptions | no | |||||
| getoptions | no | |||||
| ctrlpref | no | |||||
| updateSystem | no |
Control Design
| Chapter | Function | Implemented | File | Status | SLICOT functions | Priority |
|---|---|---|---|---|---|---|
| PID Controller Tuning | pidTuner | no | ||||
| pidtune | no | |||||
| pidtuneOptions | no | |||||
| SISO Feedback Loops | rlocus | yes | rlocus.m | |||
| rlocusplot | no | |||||
| controlSystemDesigner | no | |||||
| sisoinit | no | |||||
| Linear-Quadratic-Gaussian Control | lqr | yes | lqr.m | |||
| lqry | no | |||||
| lqi | no | |||||
| dlqr | yes | dlqr.m | ||||
| lqrd | no | |||||
| kalman | yes | kalman.m | ||||
| kalmd | no | |||||
| lqg | no | |||||
| lqgreg | no | |||||
| lqgtrack | no | |||||
| augstate | no | |||||
| norm | yes | @lti/norm.m | ||||
| Pole Placement | estim | yes | estim.m | |||
| place | yes | place.m | ||||
| reg | no |
Matrix Computations
| Function | Implemented | File | Status | SLICOT functions | Priority |
|---|---|---|---|---|---|
| lyap | yes | lyap.m | |||
| lyapchol | yes | lyapchol.m | |||
| dlyap | yes | dlyap.m | |||
| dlyapchol | yes | dlyapchol.m | |||
| care | yes | care.m | |||
| dare | yes | dare.m | |||
| gcare | no | ||||
| gdare | no | ||||
| ctrb | yes | ctrb.m | |||
| obsv | yes | obsv.m | |||
| ctrbf | yes | ctrbf.m | |||
| obsvf | yes | obsvf.m | |||
| gram | yes | gram.m | |||
| bdschur | no |
Some very basic examples
PT1/low-pass filter step response
| Code: Creating a transfer function and plotting its response |
T1=0.4; # time constant
P=tf([1], [T1 1]) # create transfer function model
step(P,2) # plot step response
#add some common markers like the tangent line at the origin, which crosses lim(n->inf) f(t) at t=T1
hold on
plot ([0 T1], [0 1],"g")
plot ([T1 T1], [0 1],"k")
plot ([0 T1], [1-1/e 1-1/e],"m")
hold off
|
Try also bode(P)! (a first order low-pass filter has -3db magnitude at f=1/T1)