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- function [acl,bcl,ccl,dcl] = interc(Z1,Z2,Z3,Z4,Z5,Z6,Z7)
- % [SS_CL] = INTERC(SS_,M,N,F) or
- % [ACL,BCL,CCL,DCL] = INTERC(A,B,C,D,M,N,F) produces a state space
- % realization of the interconnected system, given system
- % G:(A,B,C,D) and constant blocks -- M, N and F representing
- % the interconnections. The general set-up is as follows:
- %
- % - - - + - - - - - -
- % R ----->| M |----->0------->| G |---------->| N |------> Y
- % - - - ^ + - - - | - - -
- % | |
- % | - - - |
- % ---------| F |<------
- % - - -
- % Note: ss_ = mksys(a,b,c,d);
-
- % R. Y. Chiang & M. G. Safonov 6/86
- % Copyright (c) 1988 by the MathWorks, Inc.
- % All Rights Reserved.
- % ------------------------------------------------------------------
- %
-
- inargs = '(a,b,c,d,m,n,f)';
- eval(mkargs(inargs,nargin,'ss'))
-
- df = d * f;
- [rdf,cdf] = size(df);
- k = inv(eye(rdf)-df);
- acl = a + b * f * k * c;
- bcl = b * (m + f * k * d * m);
- ccl = n * k * c;
- dcl = n * k * d * m;
- %
- if xsflag
- acl = mksys(acl,bcl,ccl,dcl);
- end
- %
- % ----- End of INTERC.M ---- RYC/MGS 6/86 %
-