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发表于 2006-11-16 03:34:01
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来自: 加拿大
For position control, how far cylinder travel deponds on setpoint you provided. The spool in a, R* M3 u T' U/ H; l
servo valve will open for a while and won't close until its error signal is cancelled out. For
8 Z1 n9 h! a% w8 Kspeed control, the opening of spool in a servo valve will be certain as required speed of a cylnder.! f% n a b9 c
! }: i4 Q0 N- R" |0 ~. F, y2 b# i[ 本帖最后由 frankljh 于 2006-11-16 03:35 编辑 ] |
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