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Session 2633

Power Electronics and Motion Control Laboratory

ShyShenq P. Liou, Hans Soelaeman, James Kang, HonShing Wu, and Peter Leung

School of Engineering San Francisco State University

1. Introduction The Power Electronics and Motion Control Laboratory (PE&MC) of the School of Engineering, San Francisco State University serves three senior electrical engineering courses: ENGR 455 Power Electronics, ENGR 447 Control Systems, and ENGR 306 Electromechanical Systems. There are many projects configured for these three courses, using various apparatus. Some of devices and systems are purchased and some of them are made in house, taking advantage of a Printed Circuit Board prototype machine, which was acquired through a NSF-ILI grant. We will introduce a few projects that demonstrate our design philosophy in setting up this Power Electronics and Motion Control (PE&MC) Laboratory: Hands on Experience and System Approach.

Hands-on Experience:

One of the most important objectives for the PE&MC Laboratory is for students to acquire as much hands-on experience in power electronics as possible. We believe the best way to re-enforce any engineering theory is to do it yourself in the laboratory. This is especially true in power electronics because many circuits are inherently high voltage and high current analog electronics. This is quite different from the low voltage digital and analog circuits most EE students are accustomed to. The focuses of the Hands-on experience we would like to introduce to students in the PE&MC Laboratory are experimental techniques and special precautions, which should be taken seriously for anybody interested in doing power electronics related works.

System Approach:

Another common deficiency for courses on control theory and electromechanical system is that students concentrate too much on control subsystem and/or rotating machine subsystems individually so a global system view of the complete motion control applications is not fully developed and appreciated. This task is quite challenging. Our approach is to present students with different viable engineering solutions for a given specification. Take a constant speed conveyor belt industrial application as an example: A DC motor can be used to configure a system that can meet the specification. To achieve the objective of the speed control, either a Pulse Width Modulated full bridge DC to DC converter [1] or a controlled rectifier circuit can be used to drive the DC motor. By choosing different circuits, students need to understand what other peripherals associated with the chosen circuits are needed in order to make the whole

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Kang, J., & Wu, H., & Liou, S. P., & Leung, P., & Soelaeman, H. (1999, June), Power Electronics And Motion Control Laboratory Paper presented at 1999 Annual Conference, Charlotte, North Carolina. 10.18260/1-2--7891