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project1a - Josh Wheat EE-3530 Project I: Modeling a DC...

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Josh Wheat EE-3530 Project I: Modeling a DC Motor May 9, 2003
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SUMMAR Y The purpose of a DC motor is to supply rotational motion. It transforms electric power into mechanical power. The motor is a common actuator which is used in control systems. The electric circuit of the armature and the free body diagram are shown below: http://www.engin.umich.edu INTRODUCTION There are three parts to this project. The first part is to derive a mathematical model for the DC motor. This includes a signal flow diagram using the armature voltage as the input and the angular velocity as the output. The second part includes analysis of the transfer function with respect to J L (moment of inertia for a load). And after employing feedback, describe the frequency shape of the sensitivity for the feedback system. The third part is to find a simplified model (i) by omitting the electrical subsystem in modeling, and (ii) eliminating the non-dominant poles.
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PART I Mathematical model for the DC motor: Input=V a Output=ω
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project1a - Josh Wheat EE-3530 Project I: Modeling a DC...

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