# solution

The equations for an armature-controlled dc motor are the following. The motor├óŌé¼Ōäós current is i and its

rotational velocity is ├ÅŌĆ░. ### Save your time - order a paper!

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where L, R, and I are the motor├óŌé¼Ōäós inductance, resistance, and inertia; KT and Ke are the torque constant and back emf constant; c is a viscous damping constant; and v(t) is the applied voltage. Use the values R = 0.8 ├Ä┬®, L = 0.003 H, KT = 0.05 N ├é┬Ę m/A, Ke = 0.05 V ├é┬Ę s/rad, c = 0, and I = 8 ├āŌĆö 10├ó╦åŌĆÖ5 kg ├é┬Ę m2.

a. Suppose the applied voltage is 20 V. Plot the motor├óŌé¼Ōäós speed and current versus time. Choose a final time large enough to show the motor├óŌé¼Ōäós speed becoming constant.

b. Suppose the applied voltage is trapezoidal as given below. ##### "Looking for a Similar Assignment? Get Expert Help at an Amazing Discount!" 