Created
July 27, 2015 16:14
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function [ Lu, Ll, thata_max_min ] = fn_find_Aui_Ali (motor_angle, b_size, e_size, Wr, Wp) | |
r_ws = Wr; | |
xs = Wp(1); | |
ys = Wp(2); | |
zs = Wp(3); | |
r_b = b_size-e_size; | |
gramma = motor_angle; | |
%% thata are angle from minimum maximan | |
thata = atan2(zs,(-r_b+xs*cosd(gramma)+ys*sind(gramma))) /pi*180 | |
%% find minimum l1 | |
oa =[r_b*cosd(gramma); r_b*sind(gramma); 0]; | |
oc =[xs; ys ; zs]; | |
u_victor = [cosd(thata)*cosd(gramma); cosd(thata)*sind(gramma); sind(thata)]; | |
o = oa-oc; | |
o2= o.^2; | |
u = u_victor.*o; | |
a = 1; | |
b = 2*(u(1)+u(2)+u(3)); | |
c = o2(1)+o2(2)+o2(3); | |
syms ll | |
Lu= double(abs(solve((ll^2*a-ll*b+c)^0.5-(ll^2*a+ll*b+c)^0.5 == 2*r_ws))); | |
clear ll | |
Ll= abs((Lu^2*a-Lu*b+c)^0.5-r_ws); | |
thata_max_min = [-thata-180, -thata] ; | |
end | |
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