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Update tangled file

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This commit is contained in:
Thomas Dehaeze 2020-10-06 12:29:58 +02:00
parent b37c19d7fa
commit 7304025e79
1 changed files with 51 additions and 61 deletions
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104
gravimeter/script.m
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@ -14,11 +14,11 @@ open('gravimeter.slx')
% Parameters
l = 0.5/2; % Length of the mass [m]
la = 0.5/2; % Position of Act. [m]
l = 1.0; % Length of the mass [m]
la = 0.5; % Position of Act. [m]
h = 1.7/2; % Height of the mass [m]
ha = 1.7/2; % Position of Act. [m]
h = 3.4; % Height of the mass [m]
ha = 1.7; % Position of Act. [m]
m = 400; % Mass [kg]
I = 115; % Inertia [kg m^2]
@ -33,7 +33,7 @@ g = 0; % Gravity [m/s2]
% System Identification - Without Gravity
%% Name of the Simulink File
mdl = 'gravimeterplanarjoints2020a';
mdl = 'gravimeter';
%% Input/Output definition
clear io; io_i = 1;
@ -57,12 +57,12 @@ pole(G)
% #+begin_example
% pole(G)
% ans =
% -0.000143694057817022 + 11.9872485389527i
% -0.000143694057817022 - 11.9872485389527i
% -7.49842879371933e-05 + 8.65931816830372i
% -7.49842879371933e-05 - 8.65931816830372i
% -4.25202990156283e-06 + 2.06202312114216i
% -4.25202990156283e-06 - 2.06202312114216i
% -0.000473481142385795 + 21.7596190728632i
% -0.000473481142385795 - 21.7596190728632i
% -7.49842879459172e-05 + 8.6593576906982i
% -7.49842879459172e-05 - 8.6593576906982i
% -5.1538686792578e-06 + 2.27025295182756i
% -5.1538686792578e-06 - 2.27025295182756i
% #+end_example
% The plant as 6 states as expected (2 translations + 1 rotation)
@ -106,12 +106,12 @@ pole(Gg)
% #+begin_example
% pole(Gg)
% ans =
% -7.49842906813125e-05 + 8.6594885739673i
% -7.49842906813125e-05 - 8.6594885739673i
% 7.08960832564352 + 0i
% -7.08989438800737 + 0i
% 1.70627135943515 + 0i
% -1.70628118924799 + 0i
% -10.9848275341252 + 0i
% 10.9838836405201 + 0i
% -7.49855379478109e-05 + 8.65962885770051i
% -7.49855379478109e-05 - 8.65962885770051i
% -6.68819548733559e-06 + 0.832960422243848i
% -6.68819548733559e-06 - 0.832960422243848i
% #+end_example
@ -130,29 +130,6 @@ for in_i = 1:3
end
% Parameters
% Control parameters
g = 1e5;
g_svd = 1e5;
% System parameters
l = 0.5; % Length of the mass [m]
la = 0.5; % Position of Act. [m]
h = 1.7; % Height of the mass [m]
ha = 1.7; % Position of Act. [m]
m = 400; % Mass [kg]
I = 115; % Inertia [kg m^2]
k = 15e3; % Actuator Stiffness [N/m]
c = 0.03; % Actuator Damping [N/(m/s)]
% Bode options.
P = bodeoptions;
@ -168,7 +145,6 @@ P.TickLabel.FontSize = 12;
P.Xlim = [1e-1,1e2];
P.MagLowerLimMode = 'manual';
P.MagLowerLim= 1e-3;
%P.PhaseVisible = 'off';
@ -176,28 +152,47 @@ P.MagLowerLim= 1e-3;
w = 2*pi*logspace(-1,2,1000); % [rad/s]
% generation of the state space model
% Generation of the State Space Model
% Mass matrix
M = [m 0 0
0 m 0
0 0 I];
%Jacobian of the bottom sensor
% Jacobian of the bottom sensor
Js1 = [1 0 h/2
0 1 -l/2];
%Jacobian of the top sensor
% Jacobian of the top sensor
Js2 = [1 0 -h/2
0 1 0];
%Jacobian of the actuators
Ja = [1 0 ha/2 %Left horizontal actuator
%1 0 h/2 %Right horizontal actuator
0 1 -la/2 %Left vertical actuator
0 1 la/2]; %Right vertical actuator
% Jacobian of the actuators
Ja = [1 0 ha % Left horizontal actuator
0 1 -la % Left vertical actuator
0 1 la]; % Right vertical actuator
Jta = Ja';
% Stiffness and Damping matrices
K = k*Jta*Ja;
C = c*Jta*Ja;
% State Space Matrices
E = [1 0 0
0 1 0
0 0 1]; %projecting ground motion in the directions of the legs
@ -208,12 +203,6 @@ AA = [zeros(3) eye(3)
BB = [zeros(3,6)
M\Jta M\(k*Jta*E)];
% BB = [zeros(3,3)
% M\Jta ];
%
% CC = [Ja zeros(3)];
% DD = zeros(3,3);
CC = [[Js1;Js2] zeros(4,3);
zeros(2,6)
(Js1+Js2)./2 zeros(2,3)
@ -224,14 +213,15 @@ DD = [zeros(4,6)
zeros(2,3) eye(2,3)
zeros(6,6)];
system_dec = ss(AA,BB,CC,DD);
% State Space model:
% - Input = three actuators and three ground motions
% - Output = the bottom sensor; the top sensor; the ground motion; the half sum; the half difference; the rotation
system_dec = ss(AA,BB,CC,DD);
size(system_dec)
% Comparison with the Simscape Model