1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
|
-
-
+
+
+
+
+
+
+
-
+
+
+
+
+
+
+
+
+
-
-
+
+
+
+
+
+
+
+
+
+
+
+
+
-
+
-
-
-
-
-
+
+
+
+
+
+
-
-
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
-
-
-
-
-
+
+
+
+
+
+
-
+
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
-
+
-
+
-
+
-
+
-
-
-
-
|
function [bonds,status] = abg2cbg(system_name,bonds,infofile)
% [bonds,status] = abg2cbg(system_name,bonds,infofile)
function [bonds, status] = abg2cbg(system_name, ...
system_type, full_name, ...
port_bonds,infofile)
% [bonds,status] = abg2cbg(system_name,infofile)
%
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %%%%% Model Transformation Tools %%%%%
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Matlab function abg2cbg.m
% Acausal bond graph to causal bond graph: mfile format
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% Version control history
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% $Id$
% %% $Log$
% %% Revision 1.1 1996/08/04 17:55:55 peter
% %% Initial revision
% %%
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
pc = '%';
if nargin<3
if nargin<1
system_name = 'no_name';
end;
if nargin<4
port_bonds = [];
end;
if nargin<5
infofile = 'stdout';
end;
% Evaluate the system function to get the bonds
fun_name = [system_name, '_abg']
eval(['[bonds,components]=', fun_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);
% Set initial status
status = -ones(n_components,1);
total = 2*n_bonds;
done = sum(sum(abs(bonds)))/total*100;
mtt_info(sprintf('Initial causality is %3.0f%s complete.', done, pc), infofile);
old_done = inf;
while done~=old_done
disp(sprintf('Causality is %3.0f%s complete.', done, pc));
old_done = done;
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,name,cr,arg] = ', system_name, '_cmp(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;
% Invoke the appropriate causality procedure
cause_name = [comp_type, '_cause'];
if exist(cause_name)~=2 % Try a compound component -- need doing
mtt_info(sprintf('Component %s is unknown', comp_type), infofile);
% $$$ sys_name = [comp_type, '_abg'];
% $$$ agb2cbg(sys_name,comp_bonds,infofile);
else % its a simple component
cause_name
eval([ '[comp_bonds,status(i)] = ', cause_name, '(comp_bonds);' ]);
% Convert from component orientated to arrow orientated causality
bonds(bond_list,:) = comp_bonds.*direction;
end;
end;
done = sum(sum(abs(bonds)))/total*100;
% mtt_info(sprintf('Causality is %3.0f%s complete.', done, pc), infofile);
end;
end;
eval([ '[comp_type,name] = ', system_name, '_cmp(i);' ]);
eval([ '[comp_type,name] = ', system_type, '_cmp(i);' ]);
mtt_info(sprintf('Component %s (%s) is overcausal', name, comp_type), ...
infofile);
end;
end;
% List undercausal bonds
[under_causal_bonds,n] = getindex(status,-1)
if n>0
for i=under_causal_bonds'
eval([ '[comp_type,name] = ', system_name, '_cmp(i);' ]);
eval([ '[comp_type,name] = ', system_type, '_cmp(i);' ]);
mtt_info(sprintf('Component %s (%s) is undercausal', name, comp_type), ...
infofile);
end;
end;
write_cbg(full_name,bonds,status);
disp('----------------------');
|