Lecture 8 - CF Torque UCF T F R T × = R F MatLab:...

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Unformatted text preview: CF Torque UCF T F R T × = R F MatLab: T=cross(R,F) How to understand torque: Put the thumb in the direction of torque. The other four fingers point to the direction of rotation. CF Work UCF F ∫ ⋅ = B A W dl F A B x Fx W T x θ θ T FR W = = R F θ CF Power UCF W F dt dW P = A B Fv dx F P = = dt T x ω θ T d T P = = R F θ dt CF Linear Actuator (Acceleration 1) UCF B d t=0 i + - V ind F ind l V B R F load F ind l F load x there , balance To y). (stationar state steady reaches it 0, t Before 1. load = F . | , , , | | switch, the close provide o through t going current be must 1 1 Blv V Bl R F V R V Bl F i Bli F t t ind load B B load t t t ind load t ind = = = = = = = − = − = − = − = − = − = F F | | , , to increase 0, At t . 2 2 2 v F Bli F R V i V V t ind t t ind B t B B > = = = − = + = + = + = . accelerate bar will The bar. of velocity : bar, of mass : , , | v M dt dv M F F F F net load t ind net = − = + = CF Linear Actuator (Acceleration 2) UCF B d t=0 i + - V ind...
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Lecture 8 - CF Torque UCF T F R T × = R F MatLab:...

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