Open Access. Powered by Scholars. Published by Universities.®
Electrical and Computer Engineering
Florida Institute of Technology
Electrical Engineering and Computer Science Faculty Publications
Articles 1 - 3 of 3
Full-Text Articles in Engineering
Optimal Transfer Point Locations In Two-Stage Distribution Systems, Jeffrey A. Mcdougall, Luis Daniel Otero
Optimal Transfer Point Locations In Two-Stage Distribution Systems, Jeffrey A. Mcdougall, Luis Daniel Otero
Electrical Engineering and Computer Science Faculty Publications
Limited range of emerging delivery vehicles, speci cally unmanned aerial systems, creates gaps in last mile retail distribution networks and excludes signi cant numbers of potential customers. Implementing a two-stage distribution process is one approach that eliminates this de cit. However, dispatchers must load the vehicles hauling orders in the initial stage of the process and assign orders for delivery to transfer points in a way that ensures timely arrival while utilizing only the minimum required resources. This paper investigates the capacitated transfer point covering problem which has, until now, been unstudied. The research proposes a mathematical programming model to …
A Compact Energy-Independent Czt-Based Gamma Camera, Youngho Seo, Yonggang Cui, Paul O'Connor, Qiu Huang, Ralph B. James, Debasis Mitra, Hui Pan
A Compact Energy-Independent Czt-Based Gamma Camera, Youngho Seo, Yonggang Cui, Paul O'Connor, Qiu Huang, Ralph B. James, Debasis Mitra, Hui Pan
Electrical Engineering and Computer Science Faculty Publications
Conventional gamma cameras are heavy and occupy large volume for all required hardware components. Direct-conversion solid-state detectors like cadmium zinc telluride (CZT) enable a compact design of gamma cameras. In addition, conventional gamma cameras require different collimators for different gamma-ray photon energies, and the change of collimators between studies sometimes disrupts the workflow. To ease this inconvenience (i.e., bulkiness and collimator change), we have recently developed a compact, CZT-based, energy-independent gamma camera that requires only one collimator to cover a broad range of photon energies. In this paper, we show our design parameters and system specifications as well as simulation …
A Hybrid Phononic Waveguide Using Multilayer Structure At Mid-Infrared, Al-Amri Asma, Michael F. Finch, Claudio Augusto Barreto Saunders Filho, Brian A. Lail
A Hybrid Phononic Waveguide Using Multilayer Structure At Mid-Infrared, Al-Amri Asma, Michael F. Finch, Claudio Augusto Barreto Saunders Filho, Brian A. Lail
Electrical Engineering and Computer Science Faculty Publications
Surface phonon polaritons, SPhPs, result from the coupling or interaction of light with a phonon resonance. There has been extensive research into utilizing surface plasmon polaritons, SPPs, for subwavelength confinement of propagating waveguide modes for photonic integrated circuits. This work investigates the use of a multilayer system or insulatormetal-insulator (IMI) heterostructure as a SPhP-enhanced infrared waveguide where the metal response is due to phonons in a polar dielectric's Reststrahlen band. In addition, an IMI heterostructure supports types of modes: An even mode and odd mode that have their own unique trade-offs. For the odd mode as the metal film thickness …