Simulink Control Design™ - MathWorks

Approximating Event-Based Subsystems Using Curve Fitting (Lump-Average Model) This example shows how to use curve fitting to app ...

AirCharge  =  p 1 ×EngineSpeed + p 2 ×ManifoldPressure + p 3 ×(M + p 4 ×ManifoldPressure×EngineSpeed + p 5 If measured data for ...

See Also More About “Linearization of Models with Model References” on page 2-111 See Also ...

Configure Models with Pulse Width Modulation (PWM) Signals This example shows how to configure models that use Pulse Width Modul ...

When linearizing a model containing PWM signals there are two effects of linearization you should consider: The signal level at ...

Linearize Simscape Networks You can linearize models with Simscape components using Simulink Control Design software. Typically, ...

Linearize Model After you specify a steady-state operating point and linear analysis points, you can linearize your Simscape mod ...

∂q ∂A =Cd 2 μ p p^2 +pcr^2 0.25 The linearized mass flow rate equation is: q=Cd 2 μ p p^2 +pcr^2 0.25 A+ ∂q ∂μμ + ∂q ∂pcr ∂pcr ∂ ...

Using the second approach, you search through the physical network states to find conditions that can create a zero Jacobian. Th ...

More About “Specify Portion of Model to Linearize” on page 2-13 “Find Steady-State Operating Points for Simscape Models” on pag ...

Specifying Linearization for Model Components Using System Identification This example shows how to specify the linearization fo ...

Linearize the model. io(1) = linio('scdpwmharddrive/Duty cycle',1,'input'); io(2) = linio('scdpwmharddrive/Hard Disk Model',1,'o ...

sysid = ss(tfest(idfrd(sysfrd),2)); bode(sysid,sysfrd,'r*') We used frequency response data with frequencies between 2,000 and 2 ...

Frequency : [20 200] (rad/s) Amplitude : 1e-05 SamplesPerPeriod : [3141593 314159] NumPeriods : 4 RampPeriods : 0 FreqUnits (rad ...

Run the analysis for the low frequencies by running the following command: sysfrdlow = frestimate(modellow,getlinio(modellow),in ...

Close the low-frequency model. bdclose(modellow) Specify Linearization for PWM Component To specify the linearization of the PWM ...

'ParameterValues',''); set_param(pwmblock,'SCDBlockLinearizationSpecification',rep); set_param('scdpwmharddrive/Duty cycle','Sam ...

The linearization result is accurate, and all the resonances exist in the actual dynamics of the model. Close the model. bdclose ...

More About “Configure Models with Pulse Width Modulation (PWM) Signals” on page 2-202 See Also ...

Exact Linearization Algorithm Simulink Control Design software linearizes models using a block-by-block approach. The software i ...