9. (15 bonus points) A permanent magnet dc motor has the following parameters: a
ID: 2304803 • Letter: 9
Question
9. (15 bonus points) A permanent magnet dc motor has the following parameters: applied dc voltageVa induced armature voltage constant Kg the electromagnetic torque constant K,the angular speed o,, armature resistance R, armature inductance L,. armature current I, the electromagnetic torque T, the constant load torque T the ction torque Tfriction-C + B *?" , and the equivalent inertia (5 points) Please write the dynamic equations in time domain (electrical and mechanical) to fully represent this permanent magnet dc motor (5 points) Please write the dynamic equations in frequency domain (electrical and mechanical) to fully represent this permanent magnet dc motor (5 points) Please create a Simulink model to represent this dc motor with input voltage as input, load torque and friction torque as disturbance, and the speed as the output (scratch it on the paper) c.Explanation / Answer
Answer 8) B. Gram negetive microbes lose the purple dye and remain colorless.
Answer 9) A.
Answer 10) E. Cyanobacteria was among the first organimsm which could perform photosynthesis by capturing light using blue-green pigments.
Answer 11) E. Gleocaspa are some of the microbes residing in adverse conditions of salinity and temperature.
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