# H.E.L.P DC motor , Acc, velocity (Achieving fastest speed and reducing clashing)

1. Dec 2, 2008

### wise318

can anyone refer ot my problem: I have a dc motor drive a bracket of 3 kg rotating 180 Anticlockwise

My question Is what is the best velocity and acceleration to achieve fastest speed and minimizing the overturn of the

#1If I set the Velocity higher than the acceleration such as
V= 1800 m /s
A= 3000 m /s^2

My assumption it will bang after exceed the alumunium rotated 90 degree due to body weight and gravity.

#2 if set Velocity equal to acceleration
V= 1800 m / s
Acc=1800 m /s ^2

My assumption: it will bang however is it smoother.

#3 what if
V = 1800
Acc= 1000

Do you think motor will maintain it 1000 m /s ^2

And do you think it cushion the clashing of the bracket to the ground

#4 can you advice me the best way to reduce clashing to the ground and had fast speed to reach the ground

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