function [stewart] = initializeStewartPose(stewart, args) % initializeStewartPose - Determine the initial stroke in each leg to have the wanted pose % It uses the inverse kinematic % % Syntax: [stewart] = initializeStewartPose(stewart, args) % % Inputs: % - stewart - A structure with the following fields % - Aa [3x6] - The positions ai expressed in {A} % - Bb [3x6] - The positions bi expressed in {B} % - args - Can have the following fields: % - AP [3x1] - The wanted position of {B} with respect to {A} % - ARB [3x3] - The rotation matrix that gives the wanted orientation of {B} with respect to {A} % % Outputs: % - stewart - updated Stewart structure with the added fields: % - actuators.Leq [6x1] - The 6 needed displacement of the struts from the initial position in [m] to have the wanted pose of {B} w.r.t. {A} arguments stewart args.AP (3,1) double {mustBeNumeric} = zeros(3,1) args.ARB (3,3) double {mustBeNumeric} = eye(3) end [Li, dLi] = inverseKinematics(stewart, 'AP', args.AP, 'ARB', args.ARB); stewart.actuators.Leq = dLi;