from_lvlh_to_ijk Interface

public interface from_lvlh_to_ijk

Conversion from LVLH to IJK

Calls

interface~~from_lvlh_to_ijk~~CallsGraph interface~from_lvlh_to_ijk from_lvlh_to_ijk proc~from_lvlh_to_ijk_mat from_lvlh_to_ijk_mat interface~from_lvlh_to_ijk->proc~from_lvlh_to_ijk_mat proc~from_lvlh_to_ijk_rv from_lvlh_to_ijk_rv interface~from_lvlh_to_ijk->proc~from_lvlh_to_ijk_rv interface~from_ijk_to_lvlh from_ijk_to_lvlh proc~from_lvlh_to_ijk_mat->interface~from_ijk_to_lvlh proc~from_frame_to_ijk_rv from_frame_to_ijk_rv proc~from_lvlh_to_ijk_rv->proc~from_frame_to_ijk_rv proc~from_ijk_to_lvlh_mat from_ijk_to_lvlh_mat interface~from_ijk_to_lvlh->proc~from_ijk_to_lvlh_mat proc~from_ijk_to_lvlh_rv from_ijk_to_lvlh_rv interface~from_ijk_to_lvlh->proc~from_ijk_to_lvlh_rv proc~cross cross proc~from_ijk_to_lvlh_mat->proc~cross proc~uhat_dot uhat_dot proc~from_ijk_to_lvlh_mat->proc~uhat_dot proc~unit unit proc~from_ijk_to_lvlh_mat->proc~unit proc~from_ijk_to_frame_rv from_ijk_to_frame_rv proc~from_ijk_to_lvlh_rv->proc~from_ijk_to_frame_rv

Module Procedures

private subroutine from_lvlh_to_ijk_mat(mu, r, v, a, c, cdot)

Author
Jacob Williams
Date
4/19/2014

Compute the transformation matrices to convert LVLH to IJK.

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Arguments

Type IntentOptional Attributes Name
real(kind=wp), intent(in) :: mu

gravitational parameter [km^3/s^2]
real(kind=wp), intent(in), dimension(3) :: r

position vector of target [km]
real(kind=wp), intent(in), dimension(3) :: v

velocity vector of target [km/s]
real(kind=wp), intent(in), optional, dimension(3) :: a

acceleration vector of target [km/s^2] (if not present, then a torque-free force model is assumed)
real(kind=wp), intent(out), dimension(3,3) :: c

C transformation matrix
real(kind=wp), intent(out), optional, dimension(3,3) :: cdot

CDOT transformation matrix

private subroutine from_lvlh_to_ijk_rv(mu, rt_ijk, vt_ijk, dr_lvlh, dv_lvlh, r_ijk, v_ijk)

Author
Jacob Williams
Date
8/23/2014

Transform a position (and optionally velocity) vector from LVLH to IJK.

Arguments

Type IntentOptional Attributes Name
real(kind=wp), intent(in) :: mu

gravitational parameter [km^3/s^2]
real(kind=wp), intent(in), dimension(3) :: rt_ijk

Target IJK absolute position vector [km]
real(kind=wp), intent(in), dimension(3) :: vt_ijk

Target IJK absolute position vector [km]
real(kind=wp), intent(in), dimension(3) :: dr_lvlh

Chaser LVLH position vector relative to target [km]
real(kind=wp), intent(in), dimension(3) :: dv_lvlh

Chaser LVLH position vector relative to target [km]
real(kind=wp), intent(out), dimension(3) :: r_ijk

Chaser IJK absolute position vector [km]
real(kind=wp), intent(out), optional, dimension(3) :: v_ijk

Chaser IJK absolute position vector [km]