Chapter 2 Engineering Design of Servo Mechanism
27
(c) Example of Corioli's force (Fc)
When an object (W) on the revolving shaft moves at V
W
speed, corioli's force (Fc) which is in proportion
to the double of the product of W, revolving shaft angular speed (
) and speed (V
W
) occurs in the vertical
direction to V
W
on the object (W). (Fig. 2-19)
Fc
W
g
V
W
2
On Fig. 2-19, a torque which is the multiplication of corioli's force (Fc) by radius (r) occurs on the
revolving shaft, and a friction resistance which is the multiplication of corioli's force (Fc) by slide part
friction coefficient occurs on the linear shaft.
Fig. 2-19 Corioli's force
Linear shaft
Revolving shaft
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