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照字面看可以看成流量型提升阀么？
0 t( f1 S! z& T$ h8 A出去在此，好像是充当伺服阀的角色。+ {# p: M$ @3 w8 a# @- V* p* o
Metering poppet valves are being developed to regulate flow in place of more common, o8 K$ e6 U/ e
spool valves. This is due to certain advantages offered by metering poppet valves.: d; G' R( P! V* [3 t
However, these advantages cannot be fully realized until control design challenges
4 w! u4 T3 q1 v3 z% Pinvolving stability and performance are solved. A design for a two-stage metering poppet, m4 n. _1 x) x+ W# j Q& o
valve is presented. For control, several researchers have used feedback linearization to( X: s, z- ^7 g% Y; Q! [
cancel part of a hydraulic system’s nonlinearities in spool valves. In this work,( w3 I7 A4 n e; }3 v
nonlinearities are cancelled in the input-output relationship of the metering poppet valve.# [ i* J% K4 ^
Reference tracking of the flow is analyzed. |
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发表于 2008-1-10 16:07:34
楼主
发表于 2008-1-20 15:02:55