An armature-controlled DC motor is used to operate a valve using a lead screw. The motor has the following parameters: kg - 0.04 Nm A-1 R, - 0.2 ohms L, - 0.002 H kg - 0.004 Vs J- 10“ Kgm² b - 0.01 Nms Lead Screw Diameter - 1cm (a) Find the transfer function relating the angular velocity of the shaft and the input voltage. (b) Given that the DC voltage is 25 V determine: (1) The undamped natural frequency (i) The damping ratio (i) The time to the 1" peak of angular velocity
An armature-controlled DC motor is used to operate a valve using a lead screw. The motor has the following parameters: kg - 0.04 Nm A-1 R, - 0.2 ohms L, - 0.002 H kg - 0.004 Vs J- 10“ Kgm² b - 0.01 Nms Lead Screw Diameter - 1cm (a) Find the transfer function relating the angular velocity of the shaft and the input voltage. (b) Given that the DC voltage is 25 V determine: (1) The undamped natural frequency (i) The damping ratio (i) The time to the 1" peak of angular velocity
Chapter51: Electric And Electronic Braking
Section: Chapter Questions
Problem 2SQ: Differentiate between the AC and DC magnetic fields applied to an induction motor stator.
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