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Research Subject Categories::TECHNOLOGY::Electrical engineering, electronics and photonics::Electrical engineering
Research Subject Categories::TECHNOLOGY::Engineering mechanics
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AbstractIn this thesis, a short film titled “Engineering with a Purpose: Nontraditional Perspectives” is produced. A film written, edited, and produced by a mechanical engineering undergraduate was something outside of the norm for a final report. In order to successfully create a film, research on the types and style of films was performed. Movavi Editor software was utilized for purposes of editing. This film challenges perspectives and opens eyes to the cross-disciplinary skills engineering requires while drawing attention to the lessons engineers can learn from other disciplines. The meaning, history and stereotypical views that engineering possesses is expressed. The correlations between philosophy and engineering are filmed with an Ancient Greek Socratic lens. The challenges women must overcome in a predominantly male field are conveyed. Inspirational and telling clips to encourage young women considering engineering concludes this portion of the film. Art and engineering is also expressed through the opportunities 3D manufacturing provides. The film is concluded with multiple languages to open the audience eyes that the basis of engineering, problem solving, is nondiscriminatory. The film’s mission is to inspire non-engineers about how they can relate to engineering practice while motivating current engineers to never give up. It also draws attention to the role an engineer plays in society for progress and future development. Creating a film was a whole design process that required countless iterations. Motivation for this film stemmed from professional opportunities with a mechanical engineering degree and the potential positive impacts and purposeful work engineering requires.
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Acoustical test chamberCabuk, Cansu (2018-05)The purpose of this project is to create an acoustical test chamber for use by students and faculty of the Division of Engineering Programs at SUNY New Paltz. An acoustical test chamber is a controlled environment that is instrumented with a microphone array. This allows the user to perform accurate acoustical measurements on sound sources without outside interference while also dampening internal sound. These measurements will help the user determine vital sound parameters and display information relating to the sound signal. The properties of sound that are measured include sound intensity and sound frequency. Sound frequency information is plotted and displayed using a spectrogram. In addition, a sound localization feature using time difference of arrival estimation was implemented into the chamber’s functionality. The sound is measured using four electret microphones, then transferred to a computer utilizing stereo microphone inputs. The computing environment, MATLAB, and its functions were utilized by establishing a user friendly, interactive interface between the sensor hardware and the test environment. MATLAB’s functions and Graphical User Interface (GUI) feature, proved to be critical tools in simplifying the data acquisition, algorithmic and display processes. Before final construction, the sound location feature produced results with an average of 17% error. While after final construction, the number of trials that produced feasible results decreased drastically. This may be down to slight changes in the array geometry during the chamber’s construction process. This project is important as it provides engineering students at SUNY New Paltz, an opportunity to further enhance their exposure to acoustical testing techniques. The sound chamber will be used to verify analysis techniques learned in the classroom, in addition to providing research opportunities to students. However, the sound location feature is inadequate and still needs development.
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