Wind to Normal

Formation of the transformation matrix from the velocity coordinate system to the normal one according to GOST 20058-80.

blockType: SubSystem

Path in the library:

/Aerospace/Axes Transformations/Wind to Normal

Description

Block Wind to Normal generates a matrix of guiding cosines for converting the component vectors of the velocity coordinate system to a normal one.

The transformation matrix has the form:

The block uses coordinate systems according to GOST 20058-80.

Ports

Input

# γ_a — high-speed roll angle
scalar

Details

High-speed roll angle, rad.

Data types	`Float64`
Complex numbers support	No

# ϑ_a — high-speed pitch angle
scalar

Details

High-speed pitch angle, rad.

Data types	`Float64`
Complex numbers support	No

# ψ_a — high-speed yaw angle
scalar

Details

High-speed yaw angle, rad.

Data types	`Float64`
Complex numbers support	No

Output

# DCM — the transformation matrix
the 3 by 3 matrix

Details

A matrix of guiding cosines for converting the component vectors of the velocity coordinate system to a normal one.

Data types	`Float64`
Complex numbers support	No