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moottorin pyörimisnopeusvakio K e  kuvaa pyörimisnopeuden ja jännitteen välistä suhdetta = 0.01 Vs,

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*{_}K{_}* *{_}{~}e{~}{_}* _=e/θ,_ \[V/(1/s)\]

huom. V=W/A ja W=Nm/s , jolloin Vs = Ws/A = Nms/s/A = Nm/A

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s(Js + b)θ(s) = KI(s)

(Ls + R)I(s) = V - Ksθ(s)

e=K e θ

s(Js+b)θ(s)

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=KI(s)

(Ls+R)I(s)=V - K s θ(s)

θ / V=K / (

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