필터 지우기
필터 지우기

How can solve differential equation in Matrix form( dI/dt=c.*(M*I)+c.*(L*V) )

조회 수: 1 (최근 30일)
Driss BELKHIRI
Driss BELKHIRI 2017년 4월 9일
vas=1;vbs=2;vcs=3;var=1.5;vbr=2.5;vcr=3.5; Rs=1.06;Rr=0.8;Lm=0.0664;Ls=0.2065;Lr=0.0810;p=2;Jg=23; S=1-(Lm^2)/(Ls*Lr);Os=1;Or=0;Om=Os-Or;L=Lm/Ls;tm=pi/2; vabcs=[vas;vbs;vcs]; Tm=[cos(tm) -sin(tm); sin(tm) cos(tm)]; Tc=2/3.*[1 -1/2 -1/2;0 sqrt(3)/2 -sqrt(3)/2 ]; vabs=Tc*vabcs;vur=u*vabcr;vDQr=Tc*vur;vabr=Tm*vDQr; syms ias(t) ibs(t) iar(t) ibr(t) I=[ias;ibs;iar;ibr]; c=1/(S*Ls*Lr); c11=-Rs*Lr;c12=Om*Lm^2;c13=Rr*Lm;c14=Om*Lm*Lr; c21=-c12;c22=c11;c23=-c14;c24=c13; c31=Rs*Lm;c32=-Om*Ls*Lm;c33=-Rr*Ls;c34=-Om*Lr*Ls; c41=-c32;c42=c31;c43=-c34;c44=c33; M=[c11 c12 c13 c14 ; c21 c22 c23 c24; c31 c32 c33 c34; c41 c42 c43 c44]; L=[Lr 0 -Lm 0; 0 Lr 0 -Lm ; -Lm 0 Ls 0; 0 -Lm 0 Ls ]; vab=[vabs;vabr]; odes=diff(I)==c.*(M*I)+ c.*(L*vab) [iasSol(t),ibsSol(t),iarSol(t),ibrSol(t)] = dsolve(odes); iasSol(t)= simplify(iasSol(t)) ibsSol(t)= simplify(ibsSol(t)) iarSol(t)= simplify(iarSol(t)) ibrSol(t)= simplify(ibrSol(t)) I can not find any results. And thank you in advance. email: driss.belkhiri@edu.uiz.ac.ma

답변 (0개)

카테고리

Help CenterFile Exchange에서 Error Detection and Correction에 대해 자세히 알아보기

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by