vuoi
o PayPal
tutte le volte che vuoi
2. Index
1. Introduction 2
2. Index 3
3. Symbols list 4
4. Description of the problem and resolution method 5
4.1 Muscular force evaluation 5
4.2 Position of the actuator 6
4.3 Sizing of the actuator 7
4.4 Complete scheme of the hydraulic servocontrol 8
4.5 Dynamic equation 8
4.6 Actuation time 10
5. Problem's data 10
6. Calculations and Results 11
6.1 Muscular force 11
6.2 Actuator sizing 11
6.3 Significant diagrams 12
6.4 Actuation time 14
6.5 Numerical solution of the dynamic equation 14
7. Conclusions 16
3
3. Symbols list
X x-coordinate of point M [m]
m
Y y-coordinate of point M [m]
m
X x-coordinate of point P [m]
p
Y y-coordinate of point P [m[
p
D Diameter of the stem [m[
s
D Diameter of the cylinder [m]
c
A Cylinder Area [m ]
2
c
A Stem Area [m ]
2
s
A Difference between A and A [m ]
2
d c s
J Moment of inertia of the rudder [kg m ]
2
d(M,P) Distance between M and P (points) [m]
d(O,l) Distance between O (point) and l (line) [m]
a Coefficient of y in the implicit equation of a generic line -
b Coefficient of x in the implicit equation of a generic line -
c Known therm in the implicit equation of a generic line -
t Time [s]
K Load losses coefficient 2
Accedi a tutti gli appunti
Tutor AI: studia meglio e in meno tempo
