Browsing Singapore-MIT Alliance (SMA) by Title
Now showing items 412-431 of 554
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Rapid Replication of High Aspect Ratio Molds for UV Embossing
(2003-01)This paper describes a promising fabrication technique for rapid replication of high aspect ratio microstructured molds for UV embossing. The process involves casting silicone rubber on a microstructured master, replicating ... -
A Rapidly Reconfigurable Robotics Workcell and Its Applictions for Tissue Engineering
(2003-01)This article describes the development of a component-based technology robot system that can be rapidly configured to perform a specific manufacturing task. The system is conceived with standard and inter-operable components ... -
Rare-Earth Doped LaF₃ Nanocrystals for Upconversion Fluorescence
(2006-01)Upconversion fluorescent nanocrystals, Yb-Er, Yb-Ho and Yb-Tm co-doped LaF₃ were chemically synthesized. The average particle size was 4.4 nm with a narrow size distribution of ± 0.3 nm. Under the 980 nm NIR excitation, ... -
Reactive Schedule Repair of Job Shops
(2002-01)Disruptions to job shop schedules are tedious and difficult to incorporate after the schedule has been generated and implemented on the shop floor. In order to deal with such disruptions, a real time reactive scheduling ... -
Real-time Mosaic for Multi-Camera Videoconferencing
(2003-01)This paper describes a system for high resolution video conferencing. A number of camcorders are used to capture the video, which are then mosaiced to generate a wide angle panoramic view. Furthermore this system is made ... -
Real-Time Optimal Parametric Design of a Simple Infiltration-Evaporation Model Using the Assess-Predict-Optimize (APO) Strategy
(2003-01)Optimal parametric design of a system must be able to respond quickly to short term needs as well as long term conditions. To this end, we present an Assess-Predict-Optimize (APO) strategy which allows for easy modification ... -
Real-Time Reliable Prediction of Linear-Elastic Mode-I Stress Intensity Factors for Failure Analysis
(2006-01)Modern engineering analysis requires accurate, reliable and efficient evaluation of outputs of interest. These outputs are functions of "input" parameter that serve to describe a particular configuration of the system, ... -
Reasoning about Temporal Context using Ontology and Abductive Constraint Logic Programming
(2005-01)The underlying assumptions for interpreting the meaning of data often change over time, which further complicates the problem of semantic heterogeneities among autonomous data sources. As an extension to the COntext ... -
Recent Progress in Droplet-Based Manufacturing Research
(2002-01)This article reports the recent progress of re-search made in the Droplet-Based Manufacturing Laboratory at MIT. The study has been focused on obtaining a fundamental understanding of microdroplet deposition and applying ... -
Reduced Basis Approximation and A Posteriori Error Estimation for Stress Intensity Factors: Application to Failure Analysis
(2007-01)This paper reports the development of reduced basis approximations, rigorous a posteriori error bounds, and offline-online computational procedures for the accurate, fast and reliable predictions of stress intensity factors ... -
Reduced Basis Method for 2nd Order Wave Equation: Application to One-Dimensional Seismic Problem
(2007-01)We solve the 2nd order wave equation, hyperbolic and linear in nature, for the pressure distribution of one-dimensional seismic problem with smooth initial pressure and rate of pressure change. The reduced basis method, ... -
Reduced Temperature Production of Recombinant Proteins to Increase Productivity in Mammalian Cell Culture
(2004-01)The production of recombinant proteins from an industrial perspective has one of its main goals is to increase the product concentration whether in batch, fed-batch or continuous perfusion bioreactor systems. However, a ... -
Reduced-Basis Approximation of the Viscosity-Parametrized Incompressible Navier-Stokes Equation: Rigorous A Posteriori Error Bounds
(2004-01)We present a technique for the rapid and reliable prediction of linear-functional outputs of elliptic partial differential equations with affine (or approximately affine) parameter dependence. The essential components are ... -
Reduced-Basis Methods for Inverse Problems in Partial Differential Equations
(2004-01)We present a technique for the rapid, reliable, and accurate evaluation of functional outputs of parametrized elliptic partial differential equations. The essential ingredients are (i) rapidly globally convergent reduced-basis ... -
Reduced-Basis Output Bound Methods for Parametrized Partial Differential Equations
(2002-01)We present a technique for the rapid and reliable prediction of linear-functional outputs of elliptic (and parabolic) partial differential equations with affine parameter dependence. The essential components are (i) ... -
Reduced-order, trajectory piecewise-linear models for nonlinear computational fluid dynamics
(2004-01)A trajectory piecewise-linear (TPWL) approach is developed for a computational fluid dynamics (CFD) model of the two-dimensional Euler equations. The approach uses a weighted combination of linearized models to represent ... -
Region Type Checking for Core-Java
(2004-01)Region-based memory management offers several important advantages over garbage-collected heap, including real-time performance, better data locality and efficient use of limited memory. The concept of regions was first ... -
Registration Using Projective Reconstruction for Augmented Reality Systems
(2004-01)In AR systems, registration is one of the most difficult problems currently limiting their applications. In this paper, we proposed a simple registration method using projective reconstruction. This method consists of two ... -
Relaxing Routing Table to Alleviate Dynamism in P2P Systems
(2006-01)In dynamic P2P networks, nodes join and depart from the system frequently, which partially damages the predefined P2P structure, and impairs the system performance such as basic lookup functionality. Therefore stabilization ... -
Reliability of Multi-Terminal Copper Dual-Damascene Interconnect Trees
(2003-01)Electromigration tests on different Cu dual-damascene interconnect tree structures consisting of various numbers of straight via-to-via lines connected at the common middle terminal have been carried out. Like Al-based ...