syms Fc Fg Fa1 Fa2 Fa3 Fa4 F11 F4 F13 F21 F5 F23 F31 F6 F33 Fcm R Q M q1 q2 q3 me a ax ay az Fz1 Fz2 Fz3;
Fa1=[F11;F4;-F13];
Fa2=[-sin(pi/6)*F21+cos(pi/6)*F5;-cos(pi/6)*F21-sin(pi/6)*F5;-F23];
Fa3=[-sin(pi/6)*F31-cos(pi/6)*F6;cos(pi/6)*F31-sin(pi/6)*F6;-F33];
Fcm=Fa1+Fa2+Fa3
Fcm =
F11 - F21/2 - F31/2 + (3^(1/2)*F5)/2 - (3^(1/2)*F6)/2
F4 - F5/2 - F6/2 - (3^(1/2)*F21)/2 + (3^(1/2)*F31)/2
- F13 - F23 - F33
R=[cos(q2)*cos(q3),sin(q1)*sin(q2)*sin(q3)-cos(q1)*sin(q3),sin(q1)*sin(q3)+cos(q1)*sin(q2)*cos(q3);cos(q2)*sin(q3),cos(q1)*cos(q3)+sin(q1)*sin(q2)*sin(q3),cos(q1)*sin(q2)*sin(q3)-sin(q1)*cos(q3);-sin(q2),sin(q1)*cos(q2),cos(q1)*cos(q2)];
g=9.80665;
Q=-M*g*[0;0;1];
Fc=R*Fcm+Q
Fc =
(cos(q1)*sin(q3) - sin(q1)*sin(q2)*sin(q3))*(F5/2 - F4 + F6/2 + (3^(1/2)*F21)/2 - (3^(1/2)*F31)/2) - (sin(q1)*sin(q3) + cos(q1)*cos(q3)*sin(q2))*(F13 + F23 + F33) - cos(q2)*cos(q3)*(F21/2 - F11 + F31/2 - (3^(1/2)*F5)/2 + (3^(1/2)*F6)/2)
(cos(q3)*sin(q1) - cos(q1)*sin(q2)*sin(q3))*(F13 + F23 + F33) - (cos(q1)*cos(q3) + sin(q1)*sin(q2)*sin(q3))*(F5/2 - F4 + F6/2 + (3^(1/2)*F21)/2 - (3^(1/2)*F31)/2) - cos(q2)*sin(q3)*(F21/2 - F11 + F31/2 - (3^(1/2)*F5)/2 + (3^(1/2)*F6)/2)
sin(q2)*(F21/2 - F11 + F31/2 - (3^(1/2)*F5)/2 + (3^(1/2)*F6)/2) - (5520653160719109*M)/562949953421312 - cos(q1)*cos(q2)*(F13 + F23 + F33) - cos(q2)*sin(q1)*(F5/2 - F4 + F6/2 + (3^(1/2)*F21)/2 - (3^(1/2)*F31)/2)
Fg=me*a;
me=-M*[1,0,0;0,1,0;0,0,1];
a=[ax;ay;az]
a =
ax
ay
az
Fg
Fg =
a*me
Fcm =
F11 - F21/2 - F31/2 + (3^(1/2)*F5)/2 - (3^(1/2)*F6)/2
F4 - F5/2 - F6/2 - (3^(1/2)*F21)/2 + (3^(1/2)*F31)/2
- F13 - F23 - F33
syms Fc Fg Fa1 Fa2 Fa3 Fa4 F11 F4 F13 F21 F5 F23 F31 F6 F33 Fcm R Q M q1 q2 q3 me a ax ay az Fz1 Fz2 Fz3;
Fa1=[F11;F4;-F13];
Fa2=[-sin(pi/6)*F21+cos(pi/6)*F5;-cos(pi/6)*F21-sin(pi/6)*F5;-F23];
Fa3=[-sin(pi/6)*F31-cos(pi/6)*F6;cos(pi/6)*F31-sin(pi/6)*F6;-F33];
Fa4=[Fz1;Fz2;-Fz3];
Fcm=Fa1+Fa2+Fa3+Fa4;
R=[cos(q2)*cos(q3),sin(q1)*sin(q2)*sin(q3)-cos(q1)*sin(q3),sin(q1)*sin(q3)+cos(q1)*sin(q2)*cos(q3);cos(q2)*sin(q3),cos(q1)*cos(q3)+sin(q1)*sin(q2)*sin(q3),cos(q1)*sin(q2)*sin(q3)-sin(q1)*cos(q3);-sin(q2),sin(q1)*cos(q2),cos(q1)*cos(q2)];
g=9.80665;
a=[ax;ay;az+g];
M=R*Fcm*pinv(a)
>>>> syms Ma1 Ma2 Ma3 Ma4 Mc Mt M11 M21 M31 M12 M22 M32 M13 M23 M33 ra1 ra2 ra3 ra1x ra1y ra1z ra2x ra2y ra2z ra3x ra3y ra3z Fa1 Fa2 Fa3 Fa4 F11 F4 F13 F21 F5 F23 F31 F6 F33 Fz1 Fz2 Fz3 I Ixx Ixy Ixz Iyx Iyy Iyz Izx Izy Izz Wm Wm1 Wm2 Wm3 Em Emx Emy Emz;
ra1=[ra1x;ra1y;ra1z];
ra2=[ra2x;ra2y;ra2z];
ra3=[ra3x;ra3y;ra3z];
Fa1=[F11;F4;-F13];
Fa2=[-sin(pi/6)*F21+cos(pi/6)*F5;-cos(pi/6)*F21-sin(pi/6)*F5;-F23];
Fa3=[-sin(pi/6)*F31-cos(pi/6)*F6;cos(pi/6)*F31-sin(pi/6)*F6;-F33];
Ma1=ra1.*Fa1
Ma2=ra2.*Fa2
Ma3=ra3.*Fa3
Ma1 =
F11*ra1x
F4*ra1y
-F13*ra1z
Ma2 =
-ra2x*(F21/2 - (3^(1/2)*F5)/2)
-ra2y*(F5/2 + (3^(1/2)*F21)/2)
-F23*ra2z
Ma3 =
-ra3x*(F31/2 + (3^(1/2)*F6)/2)
-ra3y*(F6/2 - (3^(1/2)*F31)/2)
-F33*ra3z
>> Mc=Ma1+Ma2+Ma3
Mc =
F11*ra1x - ra2x*(F21/2 - (3^(1/2)*F5)/2) - ra3x*(F31/2 + (3^(1/2)*F6)/2)
F4*ra1y - ra2y*(F5/2 + (3^(1/2)*F21)/2) - ra3y*(F6/2 - (3^(1/2)*F31)/2)
- F13*ra1z - F23*ra2z - F33*ra3z
>> syms I Ixx Ixy Ixz Iyx Iyy Iyz Izx Izy Izz Wm Wm1 Wm2 Wm3 Em Emx Emy Emz H;
I=[Ixx Ixy Ixz;Iyx Iyy Iyz;Izx Izy Izz]
Wm=[Wm1;Wm2;Wm3]
Em=[Emx;Emy;Emz]
Mt=I*Wm.*Wm-I*Em
H=Wm.*Wm-Em
I =
[ Ixx, Ixy, Ixz]
[ Iyx, Iyy, Iyz]
[ Izx, Izy, Izz]
Wm =
Wm1
Wm2
Wm3
Em =
Emx
Emy
Emz
Mt =
Wm1*(Ixx*Wm1 + Ixy*Wm2 + Ixz*Wm3) - Emx*Ixx - Emy*Ixy - Emz*Ixz
Wm2*(Iyx*Wm1 + Iyy*Wm2 + Iyz*Wm3) - Emx*Iyx - Emy*Iyy - Emz*Iyz
Wm3*(Izx*Wm1 + Izy*Wm2 + Izz*Wm3) - Emx*Izx - Emy*Izy - Emz*Izz
H =
Wm1^2 - Emx
Wm2^2 - Emy
Wm3^2 - Emz
>> Mt=I*H
Mt =
- Ixx*(- Wm1^2 + Emx) - Ixy*(- Wm2^2 + Emy) - Ixz*(- Wm3^2 + Emz)
- Iyx*(- Wm1^2 + Emx) - Iyy*(- Wm2^2 + Emy) - Iyz*(- Wm3^2 + Emz)
- Izx*(- Wm1^2 + Emx) - Izy*(- Wm2^2 + Emy) - Izz*(- Wm3^2 + Emz)
>> Wm1*(Ixx*Wm1 + Ixy*Wm2 + Ixz*Wm3) - Emx*Ixx - Emy*Ixy - Emz*Ixz
Wm2*(Iyx*Wm1 + Iyy*Wm2 + Iyz*Wm3) - Emx*Iyx - Emy*Iyy - Emz*Iyz
Wm3*(Izx*Wm1 + Izy*Wm2 + Izz*Wm3) - Emx*Izx - Emy*Izy - Emz*Izz
ans =
Wm1*(Ixx*Wm1 + Ixy*Wm2 + Ixz*Wm3) - Emx*Ixx - Emy*Ixy - Emz*Ixz
ans =
Wm2*(Iyx*Wm1 + Iyy*Wm2 + Iyz*Wm3) - Emx*Iyx - Emy*Iyy - Emz*Iyz
ans =
Wm3*(Izx*Wm1 + Izy*Wm2 + Izz*Wm3) - Emx*Izx - Emy*Izy - Emz*Izz
>> Wm1*Wm1
ans =
Wm1^2
syms Ma1 Ma2 Ma3 Ma4 Mc Mt M11 M21 M31 M12 M22 M32 M13 M23 M33 ra1 ra2 ra3 ra1x ra1y ra1z ra2x ra2y ra2z ra3x ra3y ra3z Fa1 Fa2 Fa3 Fa4 F11 F4 F13 F21 F5 F23 F31 F6 F33 Fz1 Fz2 Fz3 I Ixx Ixy Ixz Iyx Iyy Iyz Izx Izy Izz Wm Wm1 Wm2 Wm3 Em Emx Emy Emz;
ra1=[ra1x;ra1y;ra1z];
ra2=[ra2x;ra2y;ra2z];
ra3=[ra3x;ra3y;ra3z];
Fa1=[F11;F4;-F13];
Fa2=[-sin(pi/6)*F21+cos(pi/6)*F5;-cos(pi/6)*F21-sin(pi/6)*F5;-F23];
Fa3=[-sin(pi/6)*F31-cos(pi/6)*F6;cos(pi/6)*F31-sin(pi/6)*F6;-F33];
Ma1=ra1.*Fa1
Ma2=ra2.*Fa2
Ma3=ra3.*Fa3
Mc=Ma1+Ma2+Ma3
syms I Ixx Ixy Ixz Iyx Iyy Iyz Izx Izy Izz Wm Wm1 Wm2 Wm3 Em Emx Emy Emz H;
I=[Ixx Ixy Ixz;Iyx Iyy Iyz;Izx Izy Izz]
Wm=[Wm1;Wm2;Wm3]
Em=[Emx;Emy;Emz]
H=Wm.*Wm-Em
Ma1 =
F11*ra1x
F4*ra1y
-F13*ra1z
Ma2 =
-ra2x*(F21/2 - (3^(1/2)*F5)/2)
-ra2y*(F5/2 + (3^(1/2)*F21)/2)
-F23*ra2z
Ma3 =
-ra3x*(F31/2 + (3^(1/2)*F6)/2)
-ra3y*(F6/2 - (3^(1/2)*F31)/2)
-F33*ra3z
Mc =
F11*ra1x - ra2x*(F21/2 - (3^(1/2)*F5)/2) - ra3x*(F31/2 + (3^(1/2)*F6)/2)
F4*ra1y - ra2y*(F5/2 + (3^(1/2)*F21)/2) - ra3y*(F6/2 - (3^(1/2)*F31)/2)
- F13*ra1z - F23*ra2z - F33*ra3z
I =
[ Ixx, Ixy, Ixz]
[ Iyx, Iyy, Iyz]
[ Izx, Izy, Izz]
Wm =
Wm1
Wm2
Wm3
Em =
Emx
Emy
Emz
H =
Wm1^2 - Emx
Wm2^2 - Emy
Wm3^2 - Emz
>> I=(-Mc)*pinv(H)
I =
[ -((conj(Emx) - conj(Wm1)^2)*(ra2x*(F21/2 - (3^(1/2)*F5)/2) - F11*ra1x + ra3x*(F31/2 + (3^(1/2)*F6)/2)))/((conj(Emx) - conj(Wm1)^2)*(- Wm1^2 + Emx) + (conj(Emy) - conj(Wm2)^2)*(- Wm2^2 + Emy) + (conj(Emz) - conj(Wm3)^2)*(- Wm3^2 + Emz)), -((conj(Emy) - conj(Wm2)^2)*(ra2x*(F21/2 - (3^(1/2)*F5)/2) - F11*ra1x + ra3x*(F31/2 + (3^(1/2)*F6)/2)))/((conj(Emx) - conj(Wm1)^2)*(- Wm1^2 + Emx) + (conj(Emy) - conj(Wm2)^2)*(- Wm2^2 + Emy) + (conj(Emz) - conj(Wm3)^2)*(- Wm3^2 + Emz)), -((conj(Emz) - conj(Wm3)^2)*(ra2x*(F21/2 - (3^(1/2)*F5)/2) - F11*ra1x + ra3x*(F31/2 + (3^(1/2)*F6)/2)))/((conj(Emx) - conj(Wm1)^2)*(- Wm1^2 + Emx) + (conj(Emy) - conj(Wm2)^2)*(- Wm2^2 + Emy) + (conj(Emz) - conj(Wm3)^2)*(- Wm3^2 + Emz))]
[ -((conj(Emx) - conj(Wm1)^2)*(ra2y*(F5/2 + (3^(1/2)*F21)/2) - F4*ra1y + ra3y*(F6/2 - (3^(1/2)*F31)/2)))/((conj(Emx) - conj(Wm1)^2)*(- Wm1^2 + Emx) + (conj(Emy) - conj(Wm2)^2)*(- Wm2^2 + Emy) + (conj(Emz) - conj(Wm3)^2)*(- Wm3^2 + Emz)), -((conj(Emy) - conj(Wm2)^2)*(ra2y*(F5/2 + (3^(1/2)*F21)/2) - F4*ra1y + ra3y*(F6/2 - (3^(1/2)*F31)/2)))/((conj(Emx) - conj(Wm1)^2)*(- Wm1^2 + Emx) + (conj(Emy) - conj(Wm2)^2)*(- Wm2^2 + Emy) + (conj(Emz) - conj(Wm3)^2)*(- Wm3^2 + Emz)), -((conj(Emz) - conj(Wm3)^2)*(ra2y*(F5/2 + (3^(1/2)*F21)/2) - F4*ra1y + ra3y*(F6/2 - (3^(1/2)*F31)/2)))/((conj(Emx) - conj(Wm1)^2)*(- Wm1^2 + Emx) + (conj(Emy) - conj(Wm2)^2)*(- Wm2^2 + Emy) + (conj(Emz) - conj(Wm3)^2)*(- Wm3^2 + Emz))]
[ -((conj(Emx) - conj(Wm1)^2)*(F13*ra1z + F23*ra2z + F33*ra3z))/((conj(Emx) - conj(Wm1)^2)*(- Wm1^2 + Emx) + (conj(Emy) - conj(Wm2)^2)*(- Wm2^2 + Emy) + (conj(Emz) - conj(Wm3)^2)*(- Wm3^2 + Emz)), -((conj(Emy) - conj(Wm2)^2)*(F13*ra1z + F23*ra2z + F33*ra3z))/((conj(Emx) - conj(Wm1)^2)*(- Wm1^2 + Emx) + (conj(
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