A DC motor is used to power a geared elevator system. The modified impedance diagram is presented below.



The impedances in the diagram are defined, using angle as the potential variable, as follows:



a. Compute the block diagram system.

b. From the block diagram compute the following relationships:

Motor armature current to back emf.

Electromagnetic torque to armature current.

Gearbox torque transfer.

Force on the drive sheave.



What will be an ideal response?


The system equations including the DC motor are presented below.

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