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Session 3233

Stepper Motor Applications Across Electrical Engineering Technology Curriculum

Ilya Grinberg, D. Steven Barker, Stephanie Goldberg, Ronald Matusiak, David Andruczyk State University of New York College at Buffalo

1. Introduction Industrial, commercial and institutional facilities have grown significantly more complex in the last decade. The rising level of technologies and equipment utilized in these facilities has complicated the elements of their engineering maintenance and operation. As an example of such technologies, consider robotics applications used in a variety of industries.

Stepper motors are a major component of many robotics applications. The complexity of any engineering system’s structure depends on many factors. Examples of these for the design of stepper motor (SM) applications are: 1) the level of the technical progress in the particular application, 2) manufacturing technology requirements, 3) safety and environmental factors, 4) equipment and machines used in the process, 5) economic considerations. The systems approach is imperative in that it coordinates the elements of a SM application, the elements of other engineering applications of the project as well as the elements of the involved economic infrastructure.1 The diagram which illustrates the coordination between these systems activities is shown in Figure 1. Table 1 provides a short description of the SM intercommunications labeled on the diagram.

The electrical engineering (EE) section represents all aspects of the electrical segment of a SM application. Applying systems categories, the authors consider the EE section as a system. However, the EE system consists of various subsystems that differ by function and by content. These subsystems are: a) Electric Machines subsystem - responsible for research, design, selection, installation, adjustment, operation, and maintenance of a stepper motor as a rotating machine; b) Digital Circuits subsystem - responsible for the sequential excitation of motor windings in response to signals from the control subsystem. c) Electronic Power Driver subsystem - responds to excitation signals from the digital circuit. This subsystem is also responsible for handling of coil currents and suppression of inductive voltage spikes. d) Control subsystem - responsible for control system design, optimization, stability and performance analysis.

2. Teaching Methodology Education of new specialists and training of existing ones is a significant part of the successful development and operations of any engineering system. For SM applications, all major elements

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Matusiak, R., & Andruczyk, D., & Barker, D. S., & Goldberg, S., & Grinberg, I. (1997, June), Stepper Motor Applications Across Electrical Engineering Technology Curriculum Paper presented at 1997 Annual Conference, Milwaukee, Wisconsin. 10.18260/1-2--6794