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Diffstat (limited to 'src/c/CACSD/obscont/dobsconta.c')
| -rw-r--r-- | src/c/CACSD/obscont/dobsconta.c | 284 |
1 files changed, 284 insertions, 0 deletions
diff --git a/src/c/CACSD/obscont/dobsconta.c b/src/c/CACSD/obscont/dobsconta.c new file mode 100644 index 0000000..c67b70e --- /dev/null +++ b/src/c/CACSD/obscont/dobsconta.c @@ -0,0 +1,284 @@ +/* Copyright (C) 2017 - IIT Bombay - FOSSEE + + This file must be used under the terms of the CeCILL. + This source file is licensed as described in the file COPYING, which + you should have received as part of this distribution. The terms + are also available at + http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt + Author: Siddhesh Wani + Organization: FOSSEE, IIT Bombay + Email: toolbox@scilab.in +*/ + +/*Function for calculating observer controller. + Refer 'obscont.sci' in scilab source.*/ + +#include <stdlib.h> +#include "matrixMultiplication.h" +#include "addition.h" + +void dobsconta(double* sys, int sys_rows, int sys_cols, double* Kc, double* Kf, \ + double *K, double *r) +{ + int no_of_states, no_of_inputs, no_of_outputs, dom = 1; + int row,col; + no_of_states = (int)sys[sys_rows*(sys_cols-1)]; + no_of_inputs = (int)sys[sys_rows*(sys_cols-1) + 1]; + no_of_outputs = sys_rows - no_of_states; + + int no_of_cols; + int no_of_rows; + + double *A, *B, *C, *D; + double *BKc, *KfC, *KfD,*DKc; + double *buf, *buf1, *buf2; + + A = (double*) malloc (no_of_states*no_of_states*sizeof(double)); + B = (double*) malloc (no_of_states*no_of_inputs*sizeof(double)); + C = (double*) malloc (no_of_states*no_of_outputs*sizeof(double)); + D = (double*) malloc (no_of_inputs*no_of_outputs*sizeof(double)); + + BKc = (double*) malloc (no_of_states*no_of_states*sizeof(double)); + KfC = (double*) malloc (no_of_states*no_of_states*sizeof(double)); + KfD = (double*) malloc (no_of_states*no_of_inputs*sizeof(double)); + DKc = (double*) malloc (no_of_outputs*no_of_states*sizeof(double)); + buf = (double*) malloc (no_of_states*no_of_states*sizeof(double)); + buf1 = (double*) malloc (no_of_states*no_of_inputs*sizeof(double)); + buf2 = (double*) malloc (no_of_outputs*no_of_states*sizeof(double)); + + /*Get A from system matrix*/ + for(col = 0; col < no_of_states; col++) + { + for(row = 0; row < no_of_states; row++) + { + A[col*no_of_states + row] = sys[col*sys_rows + row]; + } + } + + /*Get matrix B from system matrix*/ + for(col=0; col < no_of_inputs; col++) + { + for(row = 0; row < no_of_states; row++) + { + B[col * no_of_states + row] = \ + sys[col * sys_rows + no_of_states*sys_rows + row]; + } + } + + /*Get matrix C from system matrix*/ + for(col=0; col < no_of_states; col++) + { + for(row = 0; row < no_of_outputs; row++) + { + C[col * no_of_outputs + row] = \ + sys[no_of_states + (col*sys_rows) + row]; + } + } + + /*Get matrix D from system matrix*/ + for(col=0; col < no_of_inputs; col++) + { + for(row = 0; row < no_of_outputs; row++) + { + D[col * no_of_outputs + row] = \ + sys[(no_of_states+col)*sys_rows + no_of_states + row]; + } + } + + dom = (int)sys[(sys_rows*(sys_cols-2)) + no_of_states]; + + dmulma(B,no_of_states,no_of_inputs,Kc,no_of_inputs,no_of_states,BKc); + dmulma(Kf,no_of_states,no_of_outputs,C,no_of_outputs,no_of_states,KfC); + dmulma(Kf,no_of_states,no_of_outputs,D,no_of_outputs,no_of_inputs,KfD); + + /*Variables are reused to save memory*/ + /*A+BKc*/ + dadda(A,no_of_states*no_of_states,BKc,no_of_states*no_of_states,buf); + /*A+BKc+KfC*/ + dadda(KfC,no_of_states*no_of_states,buf,no_of_states*no_of_states,A); + /*KfDKc*/ + dmulma(KfD,no_of_states,no_of_inputs,Kc,no_of_inputs,no_of_states,BKc); + /*A+BKc+KfC+KfDKc*/ + dadda(A,no_of_states*no_of_states,BKc,no_of_states*no_of_states,buf); + + /*Dimensions of K*/ + no_of_cols = no_of_states + no_of_inputs + 2; + no_of_rows = no_of_states + no_of_outputs; + + if(r == NULL) + { + /*Dimensions of K*/ + no_of_cols = no_of_states + no_of_outputs + 2; + no_of_rows = no_of_states + no_of_inputs; + + for(col = 0; col < no_of_states; col++) + { + for(row = 0; row < no_of_states; row++) + { + K[col*no_of_rows + row] = buf[col*no_of_states + row]; + } + + } + + /*Copy matrix -Kf in out matrix*/ + for(col=0; col < no_of_outputs; col++) + { + for(row = 0; row < no_of_states; row++) + { + K[col * no_of_rows + no_of_states*no_of_rows + row] \ + = -1.0*Kf[col * no_of_states + row]; + } + } + + /*Copy matrix Kc in out matrix*/ + for(col=0; col < no_of_states; col++) + { + for(row = 0; row < no_of_inputs; row++) + { + K[no_of_states + (col*no_of_rows) + row] = Kc[col * no_of_inputs + row]; + } + } + + K[(no_of_rows*(no_of_cols-2)) + no_of_states] = dom; + /*Insert no of states and inputs in last column*/ + K[(no_of_rows*(no_of_cols-1))] = no_of_states; + K[(no_of_rows*(no_of_cols-1))+1] = no_of_outputs; + /*For K, no_of_outputs is no of inputs*/ + + } + else + { + /*Dimensions of K*/ + no_of_cols = no_of_states + no_of_inputs + no_of_outputs + 2; + no_of_rows = no_of_states + no_of_outputs + no_of_inputs; + + r[0] = no_of_outputs; + r[1] = no_of_inputs; + + for(col = 0; col < no_of_states; col++) + { + for(row = 0; row < no_of_states; row++) + { + K[col*no_of_rows + row] = buf[col*no_of_states + row]; + } + + } + + /*Copy matrix -Kf in out matrix*/ + for(col=0; col < no_of_outputs; col++) + { + for(row = 0; row < no_of_states; row++) + { + K[col * no_of_rows + no_of_states*no_of_rows + row] \ + = -1.0*Kf[col * no_of_states + row]; + } + } + + /*B+Kf*D*/ + dadda(B,no_of_states*no_of_inputs,KfD,no_of_states*no_of_inputs,buf1); + + /*Copy matrix (B+KfD) in out matrix*/ + for(col=0; col < no_of_inputs; col++) + { + for(row = 0; row < no_of_states; row++) + { + K[col * no_of_rows + (no_of_states+no_of_outputs)*no_of_rows \ + + row] = buf1[col * no_of_states + row]; + } + } + + /*DKc*/ + dmulma(D,no_of_outputs,no_of_inputs,Kc,no_of_inputs,no_of_states,DKc); + /*C+DKc*/ + dadda(C,no_of_outputs*no_of_states,DKc,no_of_outputs*no_of_states,buf2); + + /*Copy matrix Kc in out matrix*/ + for(col=0; col < no_of_states; col++) + { + for(row = 0; row < no_of_inputs; row++) + { + K[no_of_states + (col*no_of_rows) + row] \ + = Kc[col * no_of_inputs + row]; + } + } + + /*Copy -(C+DKc) in out matrix*/ + for(col=0; col < no_of_states; col++) + { + for(row = 0; row < no_of_outputs; row++) + { + K[(no_of_states+no_of_inputs) + (col*no_of_rows) + row] \ + = -1.0*buf2[col * no_of_outputs + row]; + } + } + + /*Block 22 for K*/ + for(col=0; col < no_of_outputs; col++) + { + for(row = 0; row < no_of_inputs; row++) + { + K[no_of_states + (col*no_of_rows) + no_of_states*no_of_rows \ + + row] = 0; + } + } + + for(col=0; col < no_of_inputs; col++) + { + for(row = 0; row < no_of_inputs; row++) + { + if(row == col) + K[no_of_states + (col*no_of_rows) + \ + (no_of_states+no_of_outputs)*no_of_rows + row] = 1; + else + K[no_of_states + (col*no_of_rows) + \ + (no_of_states+no_of_outputs)*no_of_rows + row] = 0; + } + } + + for(col=0; col < no_of_outputs; col++) + { + for(row = 0; row < no_of_outputs; row++) + { + if(row == col) + K[no_of_states + no_of_inputs + (col*no_of_rows) + \ + no_of_states*no_of_rows + row] = 1; + else + K[no_of_states + no_of_inputs + (col*no_of_rows) + \ + no_of_states*no_of_rows + row] = 0; + } + } + + + for(col=0; col < no_of_inputs; col++) + { + for(row = 0; row < no_of_outputs; row++) + { + K[no_of_states + no_of_inputs + (col*no_of_rows) + \ + (no_of_states+no_of_outputs)*no_of_rows + row] \ + = -1.0*D[col*no_of_inputs + row]; + } + } + + + K[(no_of_rows*(no_of_cols-2))+ no_of_states] = dom; + /*Insert no of states and inputs in last column*/ + K[(no_of_rows*(no_of_cols-1))] = no_of_states; + K[(no_of_rows*(no_of_cols-1))+1] = no_of_outputs + no_of_inputs; + /*For K, (no_of_outputs+no_of_inputs) is no of inputs*/ + + + } + + + free(A); + free(B); + free(C); + free(D); + free(BKc); + free(KfC); + free(KfD); + free(DKc); + free(buf); + free(buf1); + free(buf2); +} |