Layout thrusters for the Orion capsule.

This script shows how you can use ThrusterLayout to place thrusters on a CAD model, in this case from a commercial obj file. -------------------------------------------------------------------------

%--------------------------------------------------------------------------
%   Copyright (c) 2013 Princeton Satellite Systems, Inc.
%   All rights reserved.
%--------------------------------------------------------------------------

% From the web
%-------------
thrustMain = 33000;
thrustMid  =  536;
thrustSml  =  111;

thrust     = [thrustMid*ones(1,8) thrustSml*ones(1,16) thrustMain];
n          = length(thrust);

% Give the name of the obj file
%------------------------------
ThrusterLayout( 'initialize', 'orion.obj' );

% There are 16 small thrusters, 8 big and one main engine
%--------------------------------------------------------

% The big thrusters
%-------------------
r  = zeros(3,n);
u  = zeros(3,n);
a  = 0.95*sqrt(2.018^2 + 1.673^2);
d  = 0.8*pi/32;
a0 = linspace(pi/4,2*pi-pi/4,4);
ang = zeros(1,8);
for k = 1:4
    j           = 2*k-1;
    ang(j:j+1)	= [a0(k)-d a0(k)+d];
end

rB = [ -2.386*ones(1,8);...
        a*cos(ang);...
        a*sin(ang) ];
uB = [1 1 1 1 1 1 1 1 ;0 0 0 0 0 0 0 0;0 0 0 0 0 0 0 0];

u(:,1:8) = uB;
r(:,1:8) = rB;

% The main engine
%-----------------
r(:,n) = [-2.408;0;0];
u(:,n) = [ 1.000;0;0];

ThrusterLayout( 'update', u, r );


% PSS internal file version information
%--------------------------------------

Published with MATLAB® R2020a