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function structure = cbg2ese(system_name, system_type, full_name, infofile)
%
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %%%%% Model Transformation Tools %%%%%
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Matlab function cbg2ese.m
% Acausal bond graph to causal bond graph: mfile format
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% Version control history
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% $Id$
% %% $Log$
% %% Revision 1.4 1996/08/19 09:03:41 peter
% %% Handles repeating components.
% %%
% %% Revision 1.3 1996/08/18 20:08:02 peter
% %% Included additional structure: structure(5) = zero_outputs.
% %%
% %% Revision 1.2 1996/08/08 18:08:11 peter
% %% Sorted out file naming sceme
% %%
% %% Revision 1.1 1996/08/08 15:53:23 peter
% %% Initial revision
% %%
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
pc = '%';
if nargin<3
eqnfile = 'stdout';
end;
if nargin<4
infofile = 'stdout';
end;
% Create the (full) system name
if length(full_name)==0
full_name = system_name;
system_type = system_name;
else
full_name = [full_name, '_', system_name];
end;
full_name_type = [full_name, '_', system_type];
ese_name = [system_name, '_ese.r'];
%Structure matrix [states,nonstates,inputs,outputs,zero_outputs]
structure = zeros(1,5);
for i = 1:n_components
comp = nozeros(components(i,:));
bond_list = abs(comp);
direction = sign(comp)'*[1 1];
% Convert from arrow orientated to component orientated causality
comp_bonds = bonds(bond_list,:).*direction;
eval([ '[comp_type,comp_name,cr,args,repetitions] = ', cmp_name, '(i);' ]);
% change name of 0 and 1 components -- matlab doesn't like numbers here
if strcmp(comp_type,'0')
comp_type = 'zero';
end;
if strcmp(comp_type,'1')
comp_type = 'one';
end;
ports = length(bond_list);
if repetitions>1
port_pairs = ports/2;
if round(port_pairs)~=port_pairs;
mtt_info(['Repeated component ', comp_name, ...
' has an odd number of ports - ignoring repetitions']);
repetitions = 1;
end;
end;
if repetitions>1
odd_bonds = bond_list(1:2:ports-1);
even_bonds = bond_list(2:2:ports);
next_bond = max(max(abs(components)))+1;
end;
for k = 1:repetitions
if repetitions>1
if k==1
bond_list(1:2:ports-1) = odd_bonds;
else
bond_list(1:2:ports-1) = bond_list(2:2:ports);
end;
if k==repetitions
bond_list(2:2:ports) = even_bonds;
else
new_bonds = [next_bond:next_bond+port_pairs-1];
next_bond = next_bond+port_pairs;
bond_list(2:2:ports) = new_bonds;
end;
end;
% Invoke the appropriate equation-generating procedure
eqn_name = [comp_type, '_eqn']
if exist(eqn_name)~=2 % Try a compound component
cbg2ese(comp_name, comp_type, full_name, infofile);
else % its a simple component
eval(['structure = ', ...
eqn_name, ...
'(bond_list,comp_bonds,direction,cr,args,structure,filenum);' ]);
end;
end;
end;
fprintf(filenum, 'END;');
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function structure = cbg2ese(system_name, system_type, full_name, ...
repetition,...
structure, infofile)
%
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %%%%% Model Transformation Tools %%%%%
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Matlab function cbg2ese.m
% Acausal bond graph to causal bond graph: mfile format
% Structure matrix [states,nonstates,inputs,outputs,zero_outputs]
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% Version control history
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% $Id$
% %% $Log$
% %% Revision 1.5 1996/08/24 15:02:23 peter
% %% Writes `END;' to keep reduce happy.
% %%
% %% Revision 1.4 1996/08/19 09:03:41 peter
% %% Handles repeating components.
% %%
% %% Revision 1.3 1996/08/18 20:08:02 peter
% %% Included additional structure: structure(5) = zero_outputs.
% %%
% %% Revision 1.2 1996/08/08 18:08:11 peter
% %% Sorted out file naming sceme
% %%
% %% Revision 1.1 1996/08/08 15:53:23 peter
% %% Initial revision
% %%
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
system_name, system_type, full_name,
pc = '%';
if nargin<3
eqnfile = 'stdout';
end;
if nargin<4
infofile = 'stdout';
end;
% Create the (full) system name
if length(full_name)==0
full_name = system_name;
system_type = system_name;
else
full_name = [full_name, '_', system_name];
end;
full_name_type = [full_name, '_', system_type];
cbg_name = [full_name_type, '_cbg'];
abg_name = [system_type, '_abg'];
cmp_name = [system_type, '_cmp'];
% Return if cbg file doesn't exist
if exist(cbg_name)~=2
return
end;
% Setup file
ese_name = sprintf('%s_%1.0f_ese.r', full_name, repetition);
filenum = fopen(ese_name, 'w');
% Evaluate the system function to get the bonds
eval(['[junk,components]=', abg_name, ';']);
eval(['bonds=', cbg_name, ';']);
% Find number of bonds
[n_bonds,columns] = size(bonds);
if (columns ~= 2)&(n_bonds>0)
error('Incorrect bonds matrix: must have 2 columns');
end;
% Find number of components
[n_components,columns] = size(components);
n_components = n_components
for i = 1:n_components
comp = nozeros(components(i,:));
bond_list = abs(comp);
direction = sign(comp)'*[1 1];
% Convert from arrow orientated to component orientated causality
comp_bonds = bonds(bond_list,:).*direction;
eval([ '[comp_type,comp_name,cr,args,repetitions] = ', cmp_name, '(i);' ]);
% change name of 0 and 1 components -- matlab doesn't like numbers here
if strcmp(comp_type,'0')
comp_type = 'zero';
end;
if strcmp(comp_type,'1')
comp_type = 'one';
end;
comp_type = comp_type
ports = length(bond_list)
repetitions = repetitions
if repetitions>1
port_pairs = ports/2;
if round(port_pairs)~=port_pairs;
mtt_info(['Repeated component ', comp_name, ...
' has an odd number of ports - ignoring repetitions']);
repetitions = 1;
end;
end;
if repetitions>1
odd_bonds = bond_list(1:2:ports-1);
even_bonds = bond_list(2:2:ports);
next_bond = max(max(abs(components)))+1;
end;
for k = 1:repetitions
if repetitions>1
if k==1
bond_list(1:2:ports-1) = odd_bonds;
else
bond_list(1:2:ports-1) = bond_list(2:2:ports);
end;
if k==repetitions
bond_list(2:2:ports) = even_bonds;
else
new_bonds = [next_bond:next_bond+port_pairs-1];
next_bond = next_bond+port_pairs;
bond_list(2:2:ports) = new_bonds;
end;
end;
% Invoke the appropriate equation-generating procedure
name_r = sprintf('%s_%1.0f', full_name, repetition);
eqn_name = [comp_type, '_eqn']
if exist(eqn_name)~=2 % Try a compound component
disp('---PUSH---');
structure = cbg2ese(comp_name, comp_type, full_name, k, ...
structure, infofile);
% Link up the bonds
name_k = sprintf('%s_%1.0f', full_name, k);
name_comp_name = sprintf('%s_%s_%1.0f', full_name, comp_name, k);
for port_number=1:length(bond_list)
% Effort
if comp_bonds(port_number,1)==1 % Source
fprintf(filenum, '%s_MTT_inport_%1.0f := %s;\n', ...
name_comp_name, port_number, varname(name_r, ...
bond_list(port_number),1));
else % sensor
fprintf(filenum, '%s := %s_MTT_outport_%1.0f;\n', ...
varname(name_r, ...
bond_list(port_number),1), name_comp_name, port_number);
end;
% flow
if comp_bonds(port_number,2)==-1 % Source
fprintf(filenum, '%s_MTT_inport_%1.0f := %s;\n', ...
name_comp_name, port_number, varname(name_r, ...
bond_list(port_number),-1));
else % sensor
fprintf(filenum, '%s := %s_MTT_outport_%1.0f;\n', ...
varname(name_r, ...
bond_list(port_number),-1), name_comp_name, port_number);
end;
end;
disp('---POP---');
else % its a simple component
eval(['structure = ', ...
eqn_name, ...
'(name_r,bond_list,comp_bonds,direction,cr,args,structure,filenum);' ]);
end;
end;
end;
fclose(filenum);
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