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Articles 1 - 7 of 7
Full-Text Articles in Engineering
Filament Winding Composite Airframes For Sounding Rockets, Eric Ford
Filament Winding Composite Airframes For Sounding Rockets, Eric Ford
Student Works
This study’s objective was to determine the feasibility of manufacturing carbon fiber cylinders using an X-Winder filament winder for a structural airframe in sounding rockets. Multiple carbon fiber tubes were manufactured using the X-Winder and tested. The results of this testing successfully demonstrated that tubes manufactured with the X-Winder are capable of performing as an airframe for small sounding rockets. Five tube samples were destructively tested in compression, and the average maximum compressive strength of the tubes was 9,854 lbf. One of the tubes was used as the airframe in a small sounding rocket which flew to 4,042 feet above …
Flexibly Serving A Finite Number Of Heterogeneous Jobs In A Tandem System, Yun Fong Lim, Bingnan Lu, Rowan Wang, Wenjia Zhang
Flexibly Serving A Finite Number Of Heterogeneous Jobs In A Tandem System, Yun Fong Lim, Bingnan Lu, Rowan Wang, Wenjia Zhang
Research Collection Lee Kong Chian School Of Business
Many manufacturing and service systems require a finite number of heterogeneous jobs to be processed by two stations in tandem. Each station serves at most one job at a time and there is a finite buffer between the two stations. We consider two flexible servers that are cross-trained to work at both stations. The duration for a server to finish a job at a station is exponentially distributed with a rate that depends on the server, the station, and the job. Our goal is to identify an efficient policy to dynamically assign the servers to the stations such that the …
Design Of Versatile Feedback Control System Components For Selective Laser Sintering, Thomas Chessman
Design Of Versatile Feedback Control System Components For Selective Laser Sintering, Thomas Chessman
University Scholar Projects
Selective laser sintering (SLS) is an additive manufacturing technique that involves using a laser to fuse powdered material together, layer by layer, in order to create a 3-D product. Despite its numerous benefits over traditional methods of manufacturing, including higher efficiency, versatility, and the ability to process many materials, selective laser sintering suffers from its propensity to generate structural errors during operation.
Feedback control has been shown to improve fabrication quality in other laser-based additive manufacturing techniques when implemented properly. Widespread exploration of applying feedback control in SLS might lead to significant performance improvements in this form of manufacturing.
This …
Editorial: Structure And Mechanical Properties Of Titanium Alloys And Titanium Matrix Composites (Tmcs), Lechun Xie, Liqiang Wang, Lai-Chang Zhang, Weijie Lu
Editorial: Structure And Mechanical Properties Of Titanium Alloys And Titanium Matrix Composites (Tmcs), Lechun Xie, Liqiang Wang, Lai-Chang Zhang, Weijie Lu
Research outputs 2014 to 2021
No abstract provided.
College Of Engineering_Gee 230 Introduction To Engineering Leadership And Management_Group Team Project, Dana N. Humphrey
College Of Engineering_Gee 230 Introduction To Engineering Leadership And Management_Group Team Project, Dana N. Humphrey
College of Engineering
Course assignment for a group project for the two sections of the GEE 230 Introduction to Engineering Leadership and Management course, focused on plans for manufacturing productive equipment and respirators. Also, includes cover email from Dean Dana N. Humphrey to the Provost Office regarding the course Dean Humphrey taught.
College Of Engineering_Pandemic Related Projects, Courses And Materials, University Of Maine College Of Engineering
College Of Engineering_Pandemic Related Projects, Courses And Materials, University Of Maine College Of Engineering
College of Engineering
Report from the University of Maine College of Engineering chairs/faculty and center directors detailing projects directly relevant to COVID-19 and course materials/strategies/assignments/approaches to create infrastructures of support for students in the face of COVID-19.
Machine Learning In Manufacturing: Review, Synthesis, And Theoretical Framework, Ajit Sharma, Zhibo Zhang, Rahul Rai
Machine Learning In Manufacturing: Review, Synthesis, And Theoretical Framework, Ajit Sharma, Zhibo Zhang, Rahul Rai
Business Administration Faculty Research Publications
There has been a paradigmatic shift in manufacturing as computing has transitioned from the programmable to the cognitive computing era. In this paper we present a theoretical framework for understanding this paradigmatic shift in manufacturing and the fast evolving role of artificial intelligence. Policy, Strategic and Operational implications are discussed. Implications for the future of strategy and operations in manufacturing are also discussed. Future research directions are presented.