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Full-Text Articles in Engineering

Bike Lock Combining Strength And Flexibility, Zachary Uhrich Jan 2016

Bike Lock Combining Strength And Flexibility, Zachary Uhrich

All Undergraduate Projects

What can be done when someone is riding a bicycle in a large metropolitan area, and when they reach their destination they find that there either is no bike rack, or the rack is already full. For bikers who prefer the security of a standard U-lock, this means having to leave to find another rack elsewhere or leave your bike unlocked. This situation is the why there is a need for a bike lock which can combine the security of a U-lock, with the flexibility and size of a chain. This project solves the problem by using a hardened steel …


Harbor Security System, Timothy Jonathan Brown, Matthew Birkebak Jan 2015

Harbor Security System, Timothy Jonathan Brown, Matthew Birkebak

Honors Theses and Capstones

Harbors and ports provide the infrastructure for commercial trade and naval facilities. It is vital to ensure the safety of these locations. The Harbor Security System provides an optical ‘gate’ using underwater lasers and photodetectors. This system allows monitoring of both surface and submarine vessels traveling into and out of the harbor. Also, the system provides real time alerts when unauthorized vessels enter the harbor. This project provides a proof of concept for a Harbor Security System to be implemented in Portsmouth Harbor. A scaled model of the detection system was constructed and tested. This detection system is capable of …