Estimate Inertia Tensor

Calculate inertia tensor

• Library:

• Aerospace Blockset / Mass Properties

• 

Description

The Estimate Inertia Tensor block calculates the inertia tensor and the rate of change of the inertia tensor.

Linear interpolation is used to estimate the inertia tensor as a function of mass. The rate of change of the inertia tensor is a linear function of rate of change of mass.

Ports

Input

mass — Mass

scalar

Mass, specified as a scalar.

Data Types: double

dm/dt — Rate of change

scalar

Rate of change of mass, specified as a scalar.

Data Types: double

Output

I — Inertia tensor

3-by-3 matrix

Inertia tensor, returned as a 3-by-3 matrix.

Data Types: double

dI/dt — Rate of change

3-by-3 matrix

Rate of change of inertia tensor, returned as a 3-by-3 matrix.

Data Types: double

Parameters

Full mass — Mass

2 (default) | scalar

Gross mass of the vehicle, specified as a double scalar.

Programmatic Use

Block Parameter: fmass

Type: character vector

Values: double scalar

Default: '2'

Empty mass — Empty mass

1 (default) | scalar

Empty mass of the vehicle, specified as a double scalar.

Programmatic Use

Block Parameter: emass

Type: character vector

Values: double scalar

Default: '1'

Full inertia matrix — Full inertia matrix

eye(3) (default) | 3-element matrix

Inertia tensor at gross mass of the vehicle, specified as a three-element matrix.

Programmatic Use

Block Parameter: fI

Type: character vector

Values: double scalar

Default: 'eye(3)'

Empty inertia matrix — Empty inertia matrix

eye(3)/2 (default) | scalar

Inertia tensor at empty mass of the vehicle, specified as a scalar.

Programmatic Use

Block Parameter: eI

Type: character vector

Values: scalar

Default: 'eye(3)/2'

Extended Capabilities

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