University of Notre Dame
ME Senior Design: Fall 2006
Human-Powered Electricity Generator
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The link above contains a list of all the parts used in the model, the quantity used, the supplier, and the price of each part. The team was limited to spending $480 on designing and prototyping the human-powered electricity generator.
In the beginning of the design process, each group member created a document that provided each engineer’s individual “idea” for a proposed product. The proposals included an explicit statement of the target market, other pertinent product design requirements, and a brief written description of the concept including a description of the “intelligent” capabilities it should posses.
After collaborations, the group prepared a group memo that describes the product concept we shose to pursue for the remainder of the project. The report detailed key technical issues that we intended to address during the feasibility studies as well as a schedule of key deliverable items or milestones for the remainder of the project.
Critical Concept Design Review
At the end of the semester, the group developed a presentation that includes quantitative engineering justification for the proposed concept. This presentation demonstrates the quantitative engineering modeling and analysis used to support the critical design decisions.
During the preparation of this presentation, Team Pure reviewed the product concept evolution and different development stages. How did the team reach its final design? Why did the team depart from the original ASME requirement? Team Pure reflected on the outcome of the final prototype. Did the team reach the desired power output using two people as inputs? The team looked at the pros and cons of the design and how the prototype would need to be changed for future application. Pure also questioned the versatility of the design. These questions and issues were all addressed in the critical concept design review attached above.
Videos from CCDR:
A gannt cahrt was used by the group throughout the semester to keep track of key deliverables and to ensure all tasks were completed in an efficient manner.
One member of the group made a formal oral presentation each week providing an “update” on the development of the product concept. The link above shows links to the preliminary design reviews given each week, and the member of the group that presented it.
The Project Nugget is a one-slide summary of the project, which includes an abstract of the project as well as a graphic of the prototype.
Prototype Performance Requirements
The group was responsible for developing the performance requirements and “grading rubric” that will be used to evaluate the success of our prototype. The link above is the criteria used to judge our prototype.
Each team member of PURE keeps track of his/her time spent on the design of the human-powered water still. These records are shown below. They are kept on a weekly basis, and the time spent on the project is broken into a few different categories as shown on the summaries.
Trade Study Proposals/Trade Studies
The trade studies highlight key technical areas of the design that PURE decided to perform detailed analysis on. Below you will find each member's Trade Study Proposal as well as their final Trade Study.
The link below gives a description of the manner in which the protype functions and is operated, including off-design issues and safety concerns.