Sunday, May 12, 2019

Design and testing of Strain Measuring Amplifier’s Active Filter System (SMAAFS)

By Ilya A. Okhotnikov
Kalashnikov Izhevsk State Technical University, Izhevsk, Russia

1994

Electrical Engineer Degree, Concentration in Building Technology for Radio Electronics.

Degree Project Title: Design and Evaluation of a Specialized Strain Measuring Amplifier (Translated from Russian by Author)

Introduction. The main purpose of this engineering project was designing and testing of the Specialized Strain Measuring Amplifier’s Active Filter System (SMAAFS). The SMAAFS registers parameters of high-speed low voltage processes in heavy-duty press/metalworking machines' functioning. This project's literature review included a Russian patent-system search from January 1965 to February 1994 finding no identical or similar devices registered.

Method. The first part of the project was the design of a high-quality channel-measuring amplifier for strain and other generators for electronic components of heavy-duty press/metalworking machines. The second part was the design, exploration, and testing of low-frequency filters (LFF) for SMAAFS. All analyses were conducted using IBM PC/AT electronic circuit analysis program MICRO-CAP III. The third part consisted of developing a business plan.

Results. The project resulted in detecting the LFF optimum parameters that were statistically significantly different from zero. The main positive outcome of the project was the empirical discovery of the electronic components' parameters that lead to minimizing the measuring time, meaningful completion of the technical specification goals, and decreasing of costs related to the production of the SMAAFS.

Conclusion. The economic innovation of the project was developed and presented to the Defence Committee in the form of a business plan. The analyzed economic context and outcome offered possible benefits from using the SMAAFS. The project contains 102 pages, 26 illustrations, 7 tables, 29 sources.


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