Question

A dc motor speed control system is described by a second order equation

Answer 1

System equations. In general, the torque generated by a DC motor is proportional to the armature current and the strength of the magnetic field. ... This is referred to as an armature-controlled motor. The back emf, , is proportional to the angular velocity of the shaft by a constant factor .

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Answer 2

System equations. In general, the torque generated by a DC motor is proportional to the armature current and the strength of the magnetic field. ... This is referred to as an armature-controlled motor. The back emf, , is proportional to the angular velocity of the shaft by a constant factor .