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Tag Archive: Latest Ns2 Projects

Single Microring-Based 2×2 Silicon Photonic Crossbar Switches

Realizing small-footprint and energy-efficient optical switching fabrics is of crucial importance to solve the data movement challenges faced by optical interconnection networks. This article demonstrates silicon photonic 2×2 full crossbar switching functionality based on a single microring. The ultra-compact device is shown to successfully switch data channels from two input ports simultaneously. Data channels in both […]

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A Generalized Approach for Computing Most Sensitive Eigenvalues With Respect to System Parameter Changes in Large-Scale Power Systems

The recently-developed Two-sided Arnoldi and Sensitive Pole Algorithm (TSA-SPA) is effective and robust in computing the most sensitive eigenvalues with respect to control parameter changes in large-scale power systems. This paper extends the TSA-SPA to handle different system parameters, including control, system operating and network parameters. The proposed algorithm makes use of perturbation in reduced matrix obtained […]

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All Silk-Screen Printed Polymer-Based Remotely Readable Temperature Sensor

In this paper, we present the fabrication and characterization results of a remotely readable flexible temperature sensor. The sensor has been fabricated with screen printing technology and it consists of a polymer-based capacitor (ASAHI CR18-KTI polymer paste) as a temperature sensitive component added to the antenna coil (ASAHI LS411-AW silver paste) for remote reading purposes. […]

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Mobile Ticket Dispenser System With Waiting Time Prediction

A ticket dispenser (TD) is used to assist customers with the waiting process in, e.g., a restaurant. This paper deploys a mobile TD system (MTDS) with waiting time prediction to enhance the user experience while waiting. For example, the MTDS for a restaurant allows a customer to remotely draw a ticket for a meal order […]

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LV Grid Voltage Regulation using Transformer Electronic Tap Changing, with PV Inverter Reactive Power Injection

Despite increasing levels of solar-PV penetration in electrical distribution networks, to date the inverters of these PV systems have not been significantly utilized for distribution network control. One particular area of interest for these inverters is their potential to inject/absorb reactive power to/from grid to help manage the voltage profile of their distribution feeder. Various reactive power management […]

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Impacts of the packet scheduling on the performance of erasure codes: Methodology and application to GLDPC-Staircase codes

Content broadcasting over wireless networks heavily relies on Application-Level FEC codes to improve transmission robustness in front of channel erasures. Because they operate in the higher layers of the protocol stack, they benefit from a lot of flexibility. In particular, since streaming applications and bulk transfer applications have different constraints, different packet scheduling strategies may be used […]

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A Reference Impedance Based Passive Islanding Detection Method for Inverter-Based Distributed Generation System

This paper proposes a passive islanding detection method based on computing a set of frequency dependent reference impedance magnitudes and comparing them with the measured impedance magnitudes at the point of common coupling (PCC). The reference impedance may be identified online over a selected frequency band from the measured voltage and current at PCC. Islanding […]

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Ultra-broadband GaN power amplifier utilizing planar Guanella transformer

In this work, the design concept of a highly efficient and ultra-broadband GaN power amplifier is presented. The amplifier uses a novel concept for realizing the impedance matching networks with multi octave bandwidth. These matching networks are based on planar, broadside coupled micro-strip lines that are interconnected to a 4:1 Guanella impedance transformer. To achieve an even mode impedance […]

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Bidirectional Resonant DC-DC Step-up Converters for Driving High-Voltage Actuators in Mobile Microrobots

Electroactive polymer (EAP) actuators have been investigated to convert electrical energy into mechanical deformation in autonomous microrobots. The use of dielectric EAP actuators comes with several challenges to address requirements such as high excitation voltages, explicit driving signals, and low conversion efficiency. External bulky and heavy power sources are used to generate and provide required […]

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Using Multilayer Perceptron Computation to Discover Ideal Insect Olfactory Receptor Combinations in the Mosquito and Fruit Fly for an Efficient Electronic Nose

The model organism, Drosophila melanogaster, and the mosquito Anopheles gambiae use 60 and 79 odorant receptors, respectively, to sense their olfactory world. However, a commercial “electronic nose” in the form of an insect olfactory biosensor demands very low numbers of receptors at its front end of detection due to the difficulties of receptor/sensor integration and functionalization. In this […]

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