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Browsing MIT Open Access Articles by Title

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  • Zavala, M.; Molina, Mario J.; Lei, Wenfang; Molina, Luisa Tan (Copernicus Publications on behalf of the European Geosciences Union, 2009-01)
    The emission characteristics of mobile sources in the Mexico City Metropolitan Area (MCMA) have changed significantly over the past few decades in response to emission control policies, advancements in vehicle technologies ...
  • Geramifard, Alborz; Redding, Joshua D.; Joseph, Joshua Mason (2012-06)
    Risk and reward are fundamental concepts in the cooperative control of unmanned systems. In this research, we focus on developing a constructive relationship between cooperative planning and learning algorithms to mitigate ...
  • Chakraborty, Arup K.; Meissner, Alexander; Artyomov, Maxim N. (Public Library of Science, 2010-05)
    With relatively low efficiency, differentiated cells can be reprogrammed to a pluripotent state by ectopic expression of a few transcription factors. An understanding of the mechanisms that underlie data emerging from such ...
  • Fowler, Kevin Daniel; Kuchroo, Vijay K.; Chakraborty, Arup K. (Public Library of Science, 2012-03)
    The reason why IL-6 induces a pro-inflammatory response, while IL-10 induces an anti-inflammatory response, despite both cytokines activating the same transcription factor, STAT3, is not well understood. It is known that ...
  • Kasimov, Aslan R.; Faria, Luiz M.; Rosales, Rodolfo R. (American Physical Society, 2013-03)
    We propose the following model equation, u[subscript t]+1/2(u[superscript 2]-uu[subscript s])[subscript x]=f(x,u[subscript s]) that predicts chaotic shock waves, similar to those in detonations in chemically reacting ...
  • Joh, Jungwoo; del Alamo, Jesus A. (Institute of Electrical and Electronics Engineers, 2008-03)
    We have found that there is a critical drain-to-gate voltage beyond which GaN high-electron mobility transistors start to degrade in electrical-stress experiments. The critical voltage depends on the detailed voltage biasing ...
  • Muller, Caroline; Back, Larissa E.; O'Gorman, Paul Ambrose; Emanuel, Kerry Andrew (American Geophysical Union, 2009-08)
    Several observational studies have shown a tight relationship between tropical precipitation and column-integrated water vapor. We show that the observed relationship in the tropics between column-integrated water vapor, ...
  • Ou, Wanmei; Raij, Tommi; Lin, Fa-Hsuan; Golland, Polina; Hämäläinen, Matti (Springer-Verlag Berlin Heidelberg, 2009)
    The standard general linear model (GLM) for rapid event-related fMRI design protocols typically ignores reduction in hemodynamic responses in successive stimuli in a train due to incomplete recovery from the preceding ...
  • Vaze, Vikrant; Barnhart, Cynthia (Institute for Operations Research and the Management Sciences (INFORMS), 2012-05)
    Demand often exceeds capacity at congested airports. Airline frequency competition is partially responsible for the growing demand for airport resources. We propose a game-theoretic model for airline frequency competition ...
  • Ilic, Marija; Liu, Xiaojun Shell (Hindawi Publishing Corporation, 1995)
    This paper introduces a systematic, structure-based modeling framework for analysis and control of electric power systems for processes evolving over the mid-term and long-term time horizons. Much simpler models than the ...
  • Wolf, Malima I.; Colledani, Marcello; Gershwin, Stanley B.; Gutowski, Timothy G. (Institute of Electrical and Electronics Engineers, 2010-07)
    Interest in recycling has surged in recent years due to shifting material costs, environmental concerns over material production and disposal, and laws in many countries designed to improve material recycling rates. In ...
  • Weinstein, Clifford J.; Campbell, William M.; Delaney, Brian S.; O'Leary, Gerald (Institute of Electrical and Electronics Engineers (IEEE), 2009-04)
    In this paper, we describe our approach and initial results on modeling, detection, and tracking of terrorist groups and their intents based on multimedia data. While research on automated information extraction from ...
  • Wichakool, Warit; Avestruz, Al-Thaddeus; Cox, Robert W.; Leeb, Steven B. (Institute of Electrical and Electronics Engineers (IEEE), 2009-08)
    This paper develops a model for relating input current harmonic content to real power consumption for variable electronic loads, specifically for loads' actively controlled inverters energized by an uncontrolled rectification ...
  • Lin, Dahua; Grimson, Eric; Fisher, John W., III (Institute of Electrical and Electronics Engineers (IEEE), 2010-08)
    We propose a principled framework to model persistent motion in dynamic scenes. In contrast to previous efforts on object tracking and optical flow estimation that focus on local motion, we primarily aim at inferring a ...
  • Stojanovic, Vladimir Marko; Chen, Fred Fu-Chin; Joshi, Ajay J. (Institute of Electrical and Electronics Engineers, 2009-06)
    As we approach serious scaling roadblocks in the next few process nodes, it is imperative to identify new emerging technologies that can complement or supplant CMOS in the future. We present an integrated cyclic approach ...
  • Ishimatsu, Takuto; Leveson, Nancy G.; Thomas, John; Katahira, Masa; Miyamoto, Yuko; Nakao, Haruka (International Association for the Advancement of Space Safety (IAASS), 2010-09)
    A joint research project between MIT and JAXA/JAMSS is investigating the application of a new hazard analysis to the system and software in the HTV. Traditional hazard analysis focuses on component failures but software ...
  • Telleria, Maria J.; Hansen, Malik; Campbell, Don; Servi, Amelia T.; Culpepper, Martin Luther (Institute of Electrical and Electronics Engineers (IEEE), 2010-05)
    We explain when, and why, solder-based phase change materials (PCMs) are best-suited as a means to modify a robotic mechanism's kinematic and elastomechanic behavior. The preceding refers to mechanisms that possess joints ...
  • Miljkovic, Nenad; Enright, Ryan; Wang, Evelyn N. (ASME International, 2013-09)
    Superhydrophobic micro/nanostructured surfaces for dropwise condensation have recently received significant attention due to their potential to enhance heat transfer performance by shedding water droplets via coalescence-induced ...
  • Braatz, Richard D.; Ramadesigan, Venkatasailanathan; Northtrop, Paul W. C.; De, Sumitava; Santhanagopalan, Shriram; Subramanian, Venkat R. (The Electrochemical Society, 2012-01)
    The lithium-ion battery is an ideal candidate for a wide variety of applications due to its high energy/power density and operating voltage. Some limitations of existing lithium-ion battery technology include underutilization, ...
  • Baldwin, Carliss; von Hippel, Eric A. (Institute for Operations Research and the Management Sciences (INFORMS), 2011-03)
    In this paper, we assess the economic viability of innovation by producers relative to two increasingly important alternative models: innovations by single-user individuals or firms and open collaborative innovation. We ...
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