Thaum lub pneumatic high-pressure tswj valve ntsib qhov teeb meem jitters, peb yuav tsum calmly soj ntsuam nws. Qhov tseeb, peb tuaj yeem tshawb xyuas thawj zaug seb lub valve hais kom hloov pauv cov ntaub ntawv los ua nws cais. Tom ntej no, thov saib!
Yog tias lub servo tswj valve tsis hloov, qhov teeb meem yuav tshwm sim. Yog tias cov lus txib valve tsis hloov thiab cov zis ntawm daim npav servo yog qhov ruaj khov, qhov teeb meem yuav yog qhov servo valve jammed lossis kev sib txuas ntawm hydraulic lub cev muaj zog thiab lub valve yog jammed. Yog tias qhov tso zis ntawm daim npav servo shakes lub sijhawm no, cov teeb meem tshwm sim yog: tsis tsim nyog PI tsis zoo ntawm daim npav servo, lub valve txoj hauj lwm tawm tswv yim hloov pauv (vim los ntawm LVDT txhaum, tsis zoo LVDT shielding thiab lwm yam teeb meem), servo card txhaum.
Yog hais tias lub valve tswj nws tus kheej hloov, peb yuav tsum nug yog vim li cas cov lus txib jitters. Yog hais tias qhov kev hloov pauv tau tshwm sim ua ntej txoj kab sib txuas, cov laj thawj yuav ua raws li hauv qab no: PI parameter ntawm kev ceev tsis tsim nyog, ua rau overshoot; kev ua txhaum ntawm kev ceev channel, ua rau txawv txav ntawm cov teeb liab ceev, ua rau cov zis fluctuation ntawm lub voj voog ceev. Qhov ua tau ntawm kev ceev channel tsis ua haujlwm yog: magnetoresistance sojntsuam tsis ua haujlwm, tsis zoo tiv thaiv kev ceev thiab lwm yam. Yog hais tias lub valve txoj hauj lwm hais kom fluctuates tom qab kab sib txuas, cov laj thawj tej zaum yuav muaj raws li nram no: tsis tsim nyog PI tsis muaj hwj chim thiab siab Circuit Court, ua rau overshoot; valve khiav ntawm inflection point ntawm ntws nkhaus; thawj zaus modulation ceev hloov pauv; tswj chaw taws teeb tswj kev hloov pauv, thiab lwm yam.
Post lub sij hawm: Oct-09-2021