scholarly journals Design and Build at Home: Development of a Low-cost and Versatile Hardware Kit for a Remote First-year Mechanical Engineering Design Class

2021 ◽  
Author(s):  
Tania Morimoto ◽  
He Liu ◽  
Cristian Tharin ◽  
Carolyn Sandoval ◽  
Christopher Cassidy ◽  
...  
Author(s):  
David Torvi

In order to introduce students to mechanical engineering, a first year design laboratory was developed based on pine wood derbies that are run in various children’s organizations. In these races, children and their parents design and build a car using a kit consisting of a pine block, metal axles and plastic wheels. This design exercise introduces students to several aspects of mechanical engineering, including manufacturing, aerodynamics, and material science. It also builds on courses that cover engineering drawing and report writing.


Author(s):  
Monica Rush ◽  
David Wallace ◽  
Dava Newman

This paper investigates student acquisition of creative thinking skills in Solving Real Problems, a first year engineering design course in the Mechanical Engineering Department at the Massachusetts Institute of Technology. This class was developed around a service-learning model where teams of two to six students worked with community-based partners to design products for use in their communities. Each team also had at least one faculty member and one teaching assistant working alongside the students as additional team members. Teaching techniques used in the class included multiple in-class idea generation exercises, individual and group assignments, concept, visualization, and fabrication instruction. There were thirteen students total enrolled in the class, two of whom were upperclassmen, one of whom was cross-registered from another university. The participants of this study are the ten first-year MIT students that took Solving Real Problems (2.00B) in spring semester 2007, consisting of five females and five males. At the end of the semester, eleven students total, including each of these ten first-year MIT students, participated in focus groups and responded affirmatively to the question “Thinking about Solving Real Problems in particular, do you think that the class improved your ability to be creative?” Thirty minute follow-up interviews with each student explored this improvement in creativity and make up the core data analyzed in this paper. Common themes discussed by students in relation to creativity include the interactive lecture and lab environment, the involvement of the professors and confidence and hands-on practice, suggesting a community of practice model of learning creativity in the classroom.


Author(s):  
Musa K. Jouaneh ◽  
William J. Palm

Most Mechanical Engineering curricula include courses in system dynamics, controls, mechatronics, and vibrations. At most schools, these courses do not have a laboratory component. Even at schools that have such a component, laboratory access is often limited, and thus there is a need to increase students’ laboratory experience. This paper addresses the development and initial testing of instructional material in the form of take-home software and hardware kits that can be used to perform laboratory experiments and measurements at home to illustrate system dynamics concepts. Rather than having students perform an experiment in the university laboratory, the students are given a compact, low cost software and hardware kit with which they can perform an experiment at home using only their PC. The kits are designed so that the experiments can be conducted on a provided experimental setup such as a DC motor/tachometer system or can be used to perform dynamic measurements on engineering systems that are available at home such as motor powered devices and heating/cooling systems. The take-home kit consists of three components. The first component is a hardware interface board that is built around a PIC18F4550 microcontroller which interfaces with the student’s PC and with the experiment hardware. The second component is a Windows based user interface program that is loaded on the student’s PC and is used to run the experiment and collect data. The third component is the actual experimental setup or the sensor system to perform the measurement. Fifty five kits have been fabricated to perform five different experiments. Two of these experiments were tested in two courses in the mechanical engineering department at the University of Rhode Island. The paper discusses the design of the kit components, the details of the experiments, as well the initial experiences gained from using this new approach for laboratory experimentation.


Author(s):  
TMGP Duarte ◽  
AM Lopes ◽  
LFM da Silva

Understanding how the academic performance of first year undergraduate students is influenced by home, personal and institutional factors is fundamental to delineate policies able to mitigate failure. This paper investigates possible correlations between the academic performance of students at the end of high school with their achievements at the end of first year university. Data for students in the Integrated Master in Mechanical Engineering (MIEM) program within the Faculty of Engineering at the University of Porto are analysed for the period 2016/2017 to 2019/2020. The students’ performance is measured by two metrics and the students are structured as a whole and by groups, according to their gender (Male/Female), type of secondary school (Public/Private), living place (Away/Home) and the rank of MIEM in their application list of options (Option 1/Option 2–6). The information is organized statistically and possible correlations between the data are investigated. The analysis reveals limited correlation between the two metrics, meaning that all students may exhibit good or poor results at the end of first year in MIEM, independent of their status at entrance. An unanticipated pattern is exhibited for the group Option 2–6, since it shows that, despite entering into MIEM without top application marks, the students in this group can perform as well as the others. This behavior is consistent over time.


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