VibesLab5

# VibesLab5 - MECE 4273 Feedback Controller Lab 5 Ivan...

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MECE 4273 Feedback Controller Lab 5 Ivan Alvarez 1043200 Lab Session: Friday 1-4pm Bench No. 5 Partner: Israel Estrada

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Objective The objective of this lab is to observe the effects of a proportional gain controller on our DC motor system subjected to a triangle wave input. We will compare the results with the results of our previous lab, without the controller. Experimental Setup In this experiment, we will again be using only the first circuit on our breadboard, but we will be adding a proportional gain controller with feedback from the tachometer of our DC motor to control the output. A schematic of the whole system with proportional gain feedback controller is as follows: Procedure 1. Build your proportional gain circuit according to the schematic above. Below is our circuit, with the adjustable gain resistor being the blue block located in the upper right corner of this picture: 2. Power up your circuit and adjust the resistance in the blue resistor with a small screwdriver until you reach maximum stable gain (~3 cycle oscillations). Then disconnect power to your
system and remove the blue adjustable resistor. Measure the resistance of the blue resister alone. To calculate the gain, use the following formula: With R(50k) being the measured resistance of the blue adjustable resistance.

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• Fall '15
• Gangbing Song
• Cybernetics, proportional gain, proportional gain controller, Experimental data vs Simulated model

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