ʵеĵԴǿصԴѧԴ·УҪѧ·ԴΪϸµԴ·
1ͨ·״̬
ͨ·ǵ·еĿرպϣе״̬£Դ˵ѹ븺صĹϵõԴȷݸصĴСַΪءءڶµĹ״̬ж״̬;ڶʵĹ״̬;ڶʵĹ״̬йءڹغջһֹء
2·״̬
·ֵΪĵͨʱԴʹڶ·״̬״̬£·еĵ(·)IE/R ֪Դһ㶼ǺСģ·ܴﵽdzֵ⽫ԴջٵΣգϸֹⷢ
ֹ·ڵ·аװչܡչе˿ɵ۵ǦϽ˿Ƴɡһֵʱ˿ȱ۶ϣӶжϵ·
ڶ·״̬µԴĶ˵ѹΪ
U=E-IRE-E/R*R=0
ɼ·״̬Ҫصǣ·ܴԴ˵ѹΪ㡣
Ҫ˵ͨԴ趼䲢ֵСԿɽΪԴĶ˵ѹڵԴ綯ơرָԴʱͱʾСԺԲơ
3.·״̬
·ǵԴ˿·ijϿ·ûеͨԴ͵ܡڵԴ˵״̬пء·״̬Ҫصǣ·еĵΪ㡣Դ˵ѹ͵綯ȡ
״̬洦Կ罫ƵĿغϣƷһͨ·״̬ƣͬʱ䡢յ緹ҡӡԡ䡢糴ʱرȽ϶ֹ࣬ʱð𡣵ѿغʱˣһ·״̬(ߡ)ƤŪɶһ𣬾ͻɶ·йأϹûйأð