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%CODEGENERATOR.GENINERTIA Generate code for inertia matrix
%
% I = cGen.geninertia() is the symbolic robot inertia matrix (NxN).
%
% Notes::
% - The inertia matrix is stored row by row to avoid memory issues.
% The generated code recombines these rows to output the full matrix.
% - Side effects of execution depends on the cGen flags:
% - saveresult: the symbolic expressions are saved to
% disk in the directory specified by cGen.sympath
% - genmfun: ready to use m-functions are generated and
% provided via a subclass of SerialLink stored in cGen.robjpath
% - genslblock: a Simulink block is generated and stored in a
% robot specific block library cGen.slib in the directory
% cGen.basepath
%
% Author::
% Joern Malzahn
% 2012 RST, Technische Universitaet Dortmund, Germany.
% http://www.rst.e-technik.tu-dortmund.de
%
% See also CodeGenerator.CodeGenerator, CodeGenerator.geninvdyn, CodeGenerator.genfdyn.
% Copyright (C) 2012-2013, by Joern Malzahn
%
% This file is part of The Robotics Toolbox for Matlab (RTB).
%
% RTB is free software: you can redistribute it and/or modify
% it under the terms of the GNU Lesser General Public License as published by
% the Free Software Foundation, either version 3 of the License, or
% (at your option) any later version.
%
% RTB is distributed in the hope that it will be useful,
% but WITHOUT ANY WARRANTY; without even the implied warranty of
% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
% GNU Lesser General Public License for more details.
%
% You should have received a copy of the GNU Leser General Public License
% along with RTB. If not, see <http://www.gnu.org/licenses/>.
%
% http://www.petercorke.com
%
% The code generation module emerged during the work on a project funded by
% the German Research Foundation (DFG, BE1569/7-1). The authors gratefully
% acknowledge the financial support.
function [inertia] = geninertia(CGen)
%% Derivation of symbolic expressions
CGen.logmsg([datestr(now),'\tDeriving robot inertia matrix']);
nJoints = CGen.rob.n;
q = CGen.rob.gencoords;
inertia = CGen.rob.inertia(q);
CGen.logmsg('\t%s\n',' done!');
%% Save symbolic expressions
if CGen.saveresult
CGen.logmsg([datestr(now),'\tSaving rows of the inertia matrix']);
for kJoints = 1:nJoints
CGen.logmsg(' %i ',kJoints);
inertiaRow = inertia(kJoints,:);
symName = ['inertia_row_',num2str(kJoints)];
CGen.savesym(inertiaRow,symName,[symName,'.mat']);
end
CGen.logmsg('\t%s\n',' done!');
end
% M-Functions
if CGen.genmfun
CGen.genmfuninertia;
end
% Embedded Matlab Function Simulink blocks
if CGen.genslblock
CGen.genslblockinertia;
end
end