Lenze DSD Manuel d'utilisateur Page 269

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Lenze · Drive Solution Designer · Manual · DMS 4.2 EN · 12/2013 · TD23 269
8 Motion design
8.2 MotionDesigner
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
sin²-shaped motion profiles
In the case of the sin
2
-shaped motion profile, acceleration is effected in a sinusoidal manner. The
jerk is also sinusoidal, i. e. continuously. The maximum values of torque and speed are not reached
simultaneously; like this, the motor can be better utilised at higher speeds.
The maximum speed that can be reached is higher than in the cases of the linear and S-shaped
motion profiles.
In comparison to the S-shaped motion profile, the Base process power is greater.
Since the acceleration is effected in a sinusoidal manner, the maximum acceleration is greater
than in the case of the linear motion profile (57 % of the acceleration of the linear motion pro-
file).
•sin
2
-shaped motion profiles in the torque-speed diagram of the motor are represented in a cir-
cle of ellipsoidal manner.
[8-7] Sin
2
-shaped motion profile
[8-8] Speed-torque characteristics of the motor with Sin
2
-shaped motion profile
Acceleration
Velocity
a [m/s ]
t [s]
2
0
v [m/s]
t [s]
0

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