The speed profile of a DC motor is shown as in Figure Q1(d). Analyse the torque performance and sketch its profile if the motor has moment of inertia, J and viscous friction, B of 0.2 kgm² and 0.15 Nm/rads!, respectively . The load torque is 5.8 Nm and the torque expression is given by

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Speed
(rad/s)
80
50
30
0 10
25 30
50
80
t (s)
Figure Q1(d)
Transcribed Image Text:Speed (rad/s) 80 50 30 0 10 25 30 50 80 t (s) Figure Q1(d)
(d) The speed profile of a DC motor is shown as in Figure Q1(d). Analyse the
torque performance and sketch its profile if the motor has moment of inertia, J
and viscous friction, B of 0.2 kgm² and 0.15 Nm/rads', respectively . The load
torque is 5.8 Nm and the torque expression is given by
do
-+T, + Во,
dt
T=J
Transcribed Image Text:(d) The speed profile of a DC motor is shown as in Figure Q1(d). Analyse the torque performance and sketch its profile if the motor has moment of inertia, J and viscous friction, B of 0.2 kgm² and 0.15 Nm/rads', respectively . The load torque is 5.8 Nm and the torque expression is given by do -+T, + Во, dt T=J
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