Motor-Voltage (V) Current (A) Speed (RPM) 1.65 0.363 145 2.33 0.374 255 3.34 0.2
ID: 1863032 • Letter: M
Question
Motor-Voltage (V)
Current (A)
Speed (RPM)
1.65
0.363
145
2.33
0.374
255
3.34
0.203
420
4.21
0.418
570
5.00
0.836
705
6.20
0.455
900
6.97
0.465
1030
8.10
0.485
1220
9.18
0.500
1405
10.26
0.513
1590
1. Plot the calculated torque (K_i) vs. the motor speed using the data in the table, and curve fit a quadratic curve using the Matlab basic fitting tool
2. Determine the Coulomb torque at zero speed
Motor-Voltage (V)
Current (A)
Speed (RPM)
1.65
0.363
145
2.33
0.374
255
3.34
0.203
420
4.21
0.418
570
5.00
0.836
705
6.20
0.455
900
6.97
0.465
1030
8.10
0.485
1220
9.18
0.500
1405
10.26
0.513
1590
Explanation / Answer
http://lancet.mit.edu/motors/motors3.html see this it has the quadratic curve,,,,,
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