Question 2: A motor driver circuit using a power operational amplifier is shown below. A load is connected to the motor through the gear. For this system, a) Find transfer function from input voltage Vi to motor armature current ia. b) If Vi = 100 · u(t) is applied as input signal to this system, calculate the final value of the current ia and explain verbally why it will take that value. Motor Parameters 3 3 Ra : armature resistance 1 [2] kt : motor torque constant La : armature inductance = 0 [H] kb : back emf voltage coefficient Rf=10 [k2 ] Vi R; =10 [k2] ia + Nm/NL = 0.1 R1 DC ea JL = 95 Motor 1 [k2 [kg m²] Jm= 0. 05 [kg.m'] Bm 0 Load R2=10 [2]. (Yük) No friction (Sürtünmesiz)

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Question 2: A motor driver circuit using a power operational amplifier is shown
below. A load is connected to the motor through the gear. For this system,
Find transfer function from input voltage Vi to motor armature current ia.
If Vi = 100 · u(t) is applied as input signal to this system, calculate the final
a)
b)
value of the current ia and explain verbally why it will take that value.
Motor Parameters
1 [2]
kt : motor torque constant
[N-m
3
A
Ra : armature resistance
- 0 [H]
kb : back emf voltage coefficient
[V-s
3
[rad]
La : armature inductance
Rf=10 [k2 ]
Vị
R;=10 [k2 ]
+
Nm/NL = 0.1
R1
DC
ea
JL = 95
=
Motor
1 [k2
[kg.m²]
Jm= 0. 05
[kg.m²]
Bm 0
Load
R2=10 [2 ].
(Yük)
No friction
(Sürtünmesiz)
Transcribed Image Text:Question 2: A motor driver circuit using a power operational amplifier is shown below. A load is connected to the motor through the gear. For this system, Find transfer function from input voltage Vi to motor armature current ia. If Vi = 100 · u(t) is applied as input signal to this system, calculate the final a) b) value of the current ia and explain verbally why it will take that value. Motor Parameters 1 [2] kt : motor torque constant [N-m 3 A Ra : armature resistance - 0 [H] kb : back emf voltage coefficient [V-s 3 [rad] La : armature inductance Rf=10 [k2 ] Vị R;=10 [k2 ] + Nm/NL = 0.1 R1 DC ea JL = 95 = Motor 1 [k2 [kg.m²] Jm= 0. 05 [kg.m²] Bm 0 Load R2=10 [2 ]. (Yük) No friction (Sürtünmesiz)
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