14

 S12
 -j


 0


 o
 C-)










 a T (s c
 SACCELERATION
 LU 02 -


 co 0 0.5 1 1.5 2 2.5 3 3.5
 Q TIME (sec)


 Figure 2-13. Position, velocity and acceleration analysis during deployment of layer 1



For layer 2


Stiffness of the spring K = 5.5 N/m


Table 2-2 Time, displacement, velocity and acceleration at different positions of layer 2


Position of the layer Time Displacement Velocity Acceleration
 (sec) (m) (m/sec) (m/sec2)
At the fully stowed 0 0 0 0
position
At the fully deployed 4.226 1 .4287 .0071
position
At the maximum 3.1 .59 .3009 .1674
acceleration position


Total time taken to deploy the structure


TTS = 15.21 sec