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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" s# A s8 g9 L! \
servo valve will open for a while and won't close until its error signal is cancelled out. For
$ s3 `- j: v, Mspeed control, the opening of spool in a servo valve will be certain as required speed of a cylnder.5 G3 {; D, T, P; ?
S" k, B$ j% [) C( B
[ 本帖最后由 frankljh 于 2006-11-16 03:35 编辑 ] |
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