Question

Problem #1 (6 points) Answer the following questions for the permanent magnet stepper motor at right. a) Assuming that the coils with the same letters are paired together, how many phases are in this motor? b) What is the nominal step size in radians? c) Sketch a driving circuit for this motor using MOSFETs and a supply voltage of VM. d) Similar to the lecture videos, sketch the motor rotation at each step for a full rotation. For each step, what transistors are ON and what transistors are OFF for the drive circuit in part (c)?

          Problem #1 (6 points)

Answer the following questions for the permanent magnet stepper
motor at right.

a) Assuming that the coils with the same letters are paired together,
how many phases are in this motor?
b) What is the nominal step size in radians?
c) Sketch a driving circuit for this motor using MOSFETs and a supply
voltage of VM.
d) Similar to the lecture videos, sketch the motor rotation at each
step for a full rotation. For each step, what transistors are ON
and what transistors are OFF for the drive circuit in part (c)?

Problem #1 (6 points)

Answer the following questions for the permanent magnet stepper
motor at right.

a) Assuming that the coils with the same letters are paired together,
how many phases are in this motor?
b) What is the nominal step size in radians?
c) Sketch a driving circuit for this motor using MOSFETs and a supply
voltage of VM.
d) Similar to the lecture videos, sketch the motor rotation at each
step for a full rotation. For each step, what transistors are ON
and what transistors are OFF for the drive circuit in part (c)?

Added by -Scar L.

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