| At pr esent ,di st i ngui shi ng t he f er ment at i on moder at e t i me of congou bl ack t ea mai nl y r el i es on sensor y
i dent i f i cat i on ofadj udi cat or s,buti n f act ual l y,t her e ar e some uncer t ai nt y and i nst abi l i t y,and ot herdef ect s.Combi ned wi t h
t he dat a oft he r esear ch named 野a new met hod ofdet er mi ni ng f er ment at i on moder at e ofcongou bl ack t ea冶( Pat entNo.
ZL200810073664. 5)and exper tsensor y eval uat i on,t he pur pose oft he st udy wast o devel op a r ecogni t i on syst em t hatcoul d
det er mi ne t he opt i mum f er ment at i on poi ntofcongou bl ack t ea by moni t or i ng l eafcol or changes.The syst em was mai nl y
composed ofa si ngl e chi p mi cr ocomput er ( SCM ) ,a col or sensor ,a whi t e LED l umi nescent t ube,a cl ock ci r cui t and a
di spl ayer .The whi t e LED l i ght -emi t t i ng t ubesi r r adi at ed t he f er ment ed l eaves,and t he l eafcol orsensor ssentt he amountof
r ed, bl ue and gr een col or t o t he SCM r espect i vel y. Then t he SCM cal cul at ed t hese par amet er val ues and dur at i on of
par amet er s.W hen t he dur at i on ofa par amet erval ue achi eved t he moder at e f er ment at i on t i me,t hi ssyst em sentoutan al ar m
si gnal t o st op f er ment at i on.The r esul t s showed t hat t he syst em had good ef f ect ,t he j udgment was consi st ent wi t h t he
r esear ch of 野a new met hod ofdet er mi ni ng f er ment at i on moder at e ofcongou bl ack t ea冶 and exper tsensor y eval uat i on.The
syst em coul d r eal i ze t i mel y,accur at el y and conveni ent l y on-l i ne moni t or i ng. |
