Page 132 - 捷運技術 第30期
P. 132
!"#$%&'
124
} b- ìíÆX/J1989 ¾ISO 2631.2 0Y
Basic Curve ?
ü0 Ù#Èþ¶= _.±« d uZHÄ¥åóìj 9FST
3Õ7&[x
~U¤<b- JC, ìíº» Rk Ä*
\¼ ,
FST®WÕx]^ÂÄ.¾@ÃÄ_`¸ka¸¾ pgY¸g%â Jb
ìí9c t¡G®<=ú'Ä.¾ÆGóËx]^6Ø/e JÒÓ Ä
dþ ±X@ìGóìà î[ ,JE =U9Æ6e`a¼ `aó
ì/!ìídþ7 Ä dþ 1.414ÌJ9b\ f2ìídþ@ Ä
dþC;9Qì¯'f #)/Jfúbg"ÒÓ¯'X î
,
`a~U-
ôÄ0Ä. Ä dþ¼40Hz O`adþ57HzJ ì+«óì¿P ×Õ
FST. hêt dþ¼15Hz mndþ22HzJ ìí+«óì¿P -y
dþf¿P úhy dþ40HzJ/¼Oijk C1]^ìíl
VÈê뺻,
î[ -í(Ä. Äòwî
100
10
T R ANS I MS S I BI LI TY I 1
Damping Ratio = 100%
0.1 Damping Ratio = 50%
Damping Ratio = 20%
Damping Ratio = 10%
Damping Ratio = 5%
0.01 Damping Ratio = 1%
√ 2
0.01 0.1 1 10
FORCING FREQUENCY / NATURAL FREQUENCY
î
E =U9dþ@¯'/eD/