setPhugoidRequirements

Class: Aero.FixedWing.Specification
Namespace: Aero

Set requirements for phugoid mode for flying quality analysis

Since R2025a

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Syntax

specificationOut = setPhugoidRequirements(specificationIn,Name=Value)

Description

specificationOut = setPhugoidRequirements(specificationIn,Name=Value) sets requirements for phugoid mode for flying quality analysis.

Input Arguments

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Aero.FixedWing.Specification object, specified as a scalar.

Name-Value Arguments

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Specify optional pairs of arguments as Name1=Value1,...,NameN=ValueN, where Name is the argument name and Value is the corresponding value. Name-value arguments must appear after other arguments, but the order of the pairs does not matter.

Example: MinDampingRatio=10

Minimum damping ratio, specified as a scalar. For more information, see Properties.

Data Types: double

Maximum damping ratio, specified as a scalar. For more information, see Properties.

Data Types: double

Maximum relative amplitude, specified as a scalar. For more information, see Properties.

Data Types: double

N cycles for MaxRelativeAmplitude, specified as a scalar integer. For more information, see Properties.

Maximum time to halve amplitude of flight mode, specified as a scalar, in seconds. For more information, see Properties.

Data Types: double

Maximum time to double amplitude of flight mode, specified as a scalar, in seconds. For more information, see Properties.

Data Types: double

Maximum time to double amplitude of flight mode, specified as a scalar, in seconds. For more information, see Properties.

Data Types: double

Minimum natural frequency of oscillatory mode, specified as a scalar, in rad/s. For more information, see Properties.

Data Types: double

Maximum natural frequency of oscillatory mode, specified as a scalar, in rad/s. For more information, see Properties.

Data Types: double

Output Arguments

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Aero.FixedWing.Specification object, returned as the modified Aero.FixedWing.Specification object.

Examples

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Open Live Script

Set requirement for phugoid mode MinDampingRatio for flying quality analysis.

Create an Aero.FixedWing.Specification object.

spec = Aero.FixedWing.Specification;

Set the requirement for phugoid mode MinDampingRatio for flying quality analysis.

spec = setPhugoidRequirements(spec,MinDampingRatio=10)
spec = 
  Specification with properties:

           Phugoid: [1×1 Aero.FixedWing.FlyingQuality.PhugoidMode]
       ShortPeriod: [1×1 Aero.FixedWing.FlyingQuality.ShortPeriodMode]
         DutchRoll: [1×1 Aero.FixedWing.FlyingQuality.DutchRollMode]
            Spiral: [1×1 Aero.FixedWing.FlyingQuality.SpiralMode]
    RollSubsidence: [1×1 Aero.FixedWing.FlyingQuality.RollSubsidenceMode]
        Properties: [1×1 Aero.Aircraft.Properties]

View the phugoid mode updates.

spec.Phugoid
ans = 
  PhugoidMode with properties:

         MinDampingRatio: 10
         MaxDampingRatio: Inf
     MinNaturalFrequency: 0
     MaxNaturalFrequency: Inf
           MaxTimeToHalf: Inf
         MinTimeToDouble: -Inf
    MaxRelativeAmplitude: Inf
                 NCycles: 7
                  Active: 1
                    Name: "Phugoid (Long-Period Mode)"
    RequirementFunctions: {}

Version History

Introduced in R2025a

See Also