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Nonoccupational noise exposures and their hazards: a literature review
(Polytechnic University of Puerto Rico, 1998-06)
Noise pollution has been extensively studied during the last 30 years. Although most of the government regulations protect the vast majority of the workforce in the in the United States, they fail to consider the workers' ...
Design and implementation of a virtual keyboard to aid handicapped people to use computers
(Polytechnic University of Puerto Rico, 1997-12)
This article describes our Capstone Design Project. The project requirements were to design and implement an interface software, to create a virtual keyboard on screen, optimized for typing Spanish language, controlled by ...
Dynamic analysis of rigid pavements and bridges under moving vibrating trucks
(Polytechnic University of Puerto Rico, 1997-12)
The computer program UPR-PAVI2 was developed to perform the dynamic analysis of a pavement slab or a bridge superstructure loaded with moving vibrating trucks. UPR-PAVI2 can model the soil, slab and truck, considering their ...
Low-volume speech
(Polytechnic University of Puerto Rico, 1998-06)
This project is the outcome of the necessity of a female patient of Parkinson's disorder and hearing disability of having someone to tell her to speak louder when her voice level could not be heard. The idea was to build ...
Strain gauge and micrometer instrumentation of a truss structure
(Polytechnic University of Puerto Rico, 1997-12)
This project was performed as part of the Structural Analysis courses in order to compare theoretical results of the response of simple structures with the experimental results obtained at the Structures Engineering ...
La importancia de conocer la seguridad de nuestros sistemas “closed-circuit television” (CCTV)
(Polytechnic University of Puerto Rico, 2022)
Este documento explora cómo las compañías manufactureras de cámaras y programas de seguridad aplican el concepto seguridad en sus programas y dispositivos. Se exploró cuáles son las normativas existentes que ...
Reverse Engineering Challenges solved step-by-step to demonstrate the many uses of reverse engineering for the Graduate Programs at the Polytechnic University of Puerto Rico
(Polytechnic University of Puerto Rico, 2022)
The field of reverse engineering has seen many different applications such as analysis of computer viruses and malware such as trojans, worms, viruses, ransomware, and so on. Other uses involve analyzing legacy ...
Informative Overview of Rainbow Hashes
(Polytechnic University of Puerto Rico, 2022)
This article gives an overview for rainbow tables and the results of testing rainbow tables according to the length of the chosen chain. The article presents a password cracking process that contains its own ...
Dynamic Modeling and Control System Design for a Passenger Coaxial Dodecacopter
(Polytechnic University of Puerto Rico, 2022)
Personal Aerial Vehicles (PAVs) are drones that provide transportation to passengers. The airframe and propulsion systems of a manned dodecacopter, or Personal VTOL Vehicle, were previously developed by ...
Monomer’s Residuals Test Elimination for Soft Acrylic Buttons at Polytechnic University of Puerto Rico
(Polytechnic University of Puerto Rico, 2022)
In the cataract surgery, the natural lens in the eye is replace with an Intraocular Lens. Five monomers (EA/EMA, TFEMA, EGDMA, UV Chr) are mixed to produce the soft acrylic lens. Residual monomer testing ...