Error while using linmod for linearization of aircraft model
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I try to linearize the trimmed aircraft model using command given below-
[Alin,Blin,Clin,Dlin] = linmod('Trim_model',xtrim,utrim,ytrim) , where xtrim,utrim,ytrim are the trimmed values in columm matrix and 'Trim_model' is the simulink model.
This is the error I am geeting-
In Trim_model (line 133)
Error using dlinmod
Domain error. To compute complex results from real x, use
'sqrt(complex(x))'.
Error in sqrt.m (line 13)
coder.internal.error('Coder:toolbox:ElFunDomainError',mfilename);
Error in 'Trim_model/J31_Trimming/Jetstream31
Forces & Moments1/Powerplants and
Slipstream/Powerplant Model/Powerplant - port (forces and
moments about spinner) (in body axes)/Propeller - left
(forces and moments about spinner) (in body
axes)/propeller derivatives' (line 12)
Error in linmod
Error in J31_avms_Trim (line 133)
[Alin,Blin,Clin,Dlin] = linmod('Trim_model',xtrim,utrim,ytrim) - Show
Thanks!
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