Robotics System Toolbox

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Loop shaping requirement overrides specified crossover region WC.

Last post by esmatparast « Wed Mar 10, 2021 3:51 pm

by esmatparast » Wed Mar 10, 2021 3:51 pm

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508 Views

Last post by esmatparast
Wed Mar 10, 2021 3:51 pm
Specify target gain crossover frequency as a real-valued scalar or two-entry vector.

Last post by esmatparast « Wed Mar 10, 2021 3:51 pm

by esmatparast » Wed Mar 10, 2021 3:51 pm

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497 Views

Last post by esmatparast
Wed Mar 10, 2021 3:51 pm
Invalid input argument of class . Optional input arguments must be valid design requirements (see "help TuningGoal") o

Last post by esmatparast « Wed Mar 10, 2021 3:50 pm

by esmatparast » Wed Mar 10, 2021 3:50 pm

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474 Views

Last post by esmatparast
Wed Mar 10, 2021 3:50 pm
There can be at most one loop shaping requirement with unspecified "Location" value (such requirement applies to GC or C

Last post by esmatparast « Wed Mar 10, 2021 3:48 pm

by esmatparast » Wed Mar 10, 2021 3:48 pm

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574 Views

Last post by esmatparast
Wed Mar 10, 2021 3:48 pm
Design requirements are missing. Specify a crossover region or at least one tuning objective, see "help looptune" for de

Last post by esmatparast « Wed Mar 10, 2021 3:48 pm

by esmatparast » Wed Mar 10, 2021 3:48 pm

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473 Views

Last post by esmatparast
Wed Mar 10, 2021 3:48 pm
The "looptune" command requires three or more input arguments.

Last post by esmatparast « Wed Mar 10, 2021 3:43 pm

by esmatparast » Wed Mar 10, 2021 3:43 pm

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597 Views

Last post by esmatparast
Wed Mar 10, 2021 3:43 pm
In the "hinfstruct(CL,...)" command, CL must be a generalized state-space model of the tuned closed-loop response.

Last post by esmatparast « Wed Mar 10, 2021 3:42 pm

by esmatparast » Wed Mar 10, 2021 3:42 pm

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560 Views

Last post by esmatparast
Wed Mar 10, 2021 3:42 pm
Final: Failed to meet closed-loop stability constraint (spectral abscissa =

Last post by esmatparast « Wed Mar 10, 2021 3:42 pm

by esmatparast » Wed Mar 10, 2021 3:42 pm

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503 Views

Last post by esmatparast
Wed Mar 10, 2021 3:42 pm
The total number of compensator inputs (outputs) must be less than the number of plant outputs (inputs).

Last post by esmatparast « Wed Mar 10, 2021 3:41 pm

by esmatparast » Wed Mar 10, 2021 3:41 pm

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513 Views

Last post by esmatparast
Wed Mar 10, 2021 3:41 pm
The "Display" option must be set to 'off', 'final', or 'iter'.

Last post by esmatparast « Wed Mar 10, 2021 3:40 pm

by esmatparast » Wed Mar 10, 2021 3:40 pm

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494 Views

Last post by esmatparast
Wed Mar 10, 2021 3:40 pm
Failed to stabilize the closed-loop system. Try different initial values or increase the number of random starts or the

Last post by esmatparast « Wed Mar 10, 2021 3:39 pm

by esmatparast » Wed Mar 10, 2021 3:39 pm

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663 Views

Last post by esmatparast
Wed Mar 10, 2021 3:39 pm
In continuous time, the "hinfstruct" command only handles models without delays.

Last post by esmatparast « Wed Mar 10, 2021 3:39 pm

by esmatparast » Wed Mar 10, 2021 3:39 pm

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475 Views

Last post by esmatparast
Wed Mar 10, 2021 3:39 pm
In the "hinfstruct(P,C,...)" command, P must be a fixed LTI model with an explicit state-space representation.

Last post by esmatparast « Wed Mar 10, 2021 3:38 pm

by esmatparast » Wed Mar 10, 2021 3:38 pm

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500 Views

Last post by esmatparast
Wed Mar 10, 2021 3:38 pm
The first input argument of the "hinfstruct" command must be a dynamic system (type "help hinfstruct" for details).

Last post by esmatparast « Wed Mar 10, 2021 3:37 pm

by esmatparast » Wed Mar 10, 2021 3:37 pm

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556 Views

Last post by esmatparast
Wed Mar 10, 2021 3:37 pm
Invalid option set for the "hinfstruct" command. Use "hinfstructOptions" to specify options.

Last post by esmatparast « Wed Mar 10, 2021 3:37 pm

by esmatparast » Wed Mar 10, 2021 3:37 pm

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471 Views

Last post by esmatparast
Wed Mar 10, 2021 3:37 pm
Number of output arguments exceeds number of tunable coefficients with name

Last post by esmatparast « Wed Mar 10, 2021 3:37 pm

by esmatparast » Wed Mar 10, 2021 3:37 pm

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533 Views

Last post by esmatparast
Wed Mar 10, 2021 3:37 pm
In "gainsurfdata(K)", K must be a gain surface created with the "gainsurf" function.

Last post by esmatparast « Wed Mar 10, 2021 3:35 pm

by esmatparast » Wed Mar 10, 2021 3:35 pm

0 Replies

523 Views

Last post by esmatparast
Wed Mar 10, 2021 3:35 pm
Function "gainsurfdata" expects a generalized model with tunable parameters.

Last post by esmatparast « Wed Mar 10, 2021 3:34 pm

by esmatparast » Wed Mar 10, 2021 3:34 pm

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526 Views

Last post by esmatparast
Wed Mar 10, 2021 3:34 pm
Design point mismatch: "varyingGoal" object uses { ,number,integer} points while "systune" uses a model array with { ,nu

Last post by esmatparast « Wed Mar 10, 2021 3:30 pm

by esmatparast » Wed Mar 10, 2021 3:30 pm

0 Replies

525 Views

Last post by esmatparast
Wed Mar 10, 2021 3:30 pm
Requirement value is infinite due to nonzero feedthrough. Modify the requirement or the control structure to eliminate t

Last post by esmatparast « Wed Mar 10, 2021 3:29 pm

by esmatparast » Wed Mar 10, 2021 3:29 pm

0 Replies

523 Views

Last post by esmatparast
Wed Mar 10, 2021 3:29 pm
The closed-loop model has duplicated input or output names.

Last post by esmatparast « Wed Mar 10, 2021 3:29 pm

by esmatparast » Wed Mar 10, 2021 3:29 pm

0 Replies

534 Views

Last post by esmatparast
Wed Mar 10, 2021 3:29 pm
The block has conflicting "Minimum" and "Maximum" parameter bounds.

Last post by esmatparast « Wed Mar 10, 2021 3:28 pm

by esmatparast » Wed Mar 10, 2021 3:28 pm

0 Replies

602 Views

Last post by esmatparast
Wed Mar 10, 2021 3:28 pm
Each analysis point block can appear only once in the control system model.

Last post by esmatparast « Wed Mar 10, 2021 3:28 pm

by esmatparast » Wed Mar 10, 2021 3:28 pm

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480 Views

Last post by esmatparast
Wed Mar 10, 2021 3:28 pm
By default, the control system is tuned with all loops closed at analysis points. Use the "Openings" property of tuning

Last post by esmatparast « Wed Mar 10, 2021 3:27 pm

by esmatparast » Wed Mar 10, 2021 3:27 pm

0 Replies

490 Views

Last post by esmatparast
Wed Mar 10, 2021 3:27 pm
Variable goals must evaluate to a fixed tuning goal at each design point. Type "help TuningGoal" for a list of valid tun

Last post by esmatparast « Wed Mar 10, 2021 3:27 pm

by esmatparast » Wed Mar 10, 2021 3:27 pm

0 Replies

462 Views

Last post by esmatparast
Wed Mar 10, 2021 3:27 pm

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