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Browsing MIT Open Access Articles by Title

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  • Sader, John E.; Lee, Jungchul; Manalis, Scott R. (American Institute of Physics, 2010-12)
    Energy dissipation experienced by vibrating microcantilever beams immersed in fluid is strongly dependent on the mode of vibration, with quality factors typically increasing with mode number. Recently, we examined energy ...
  • Sader, John E.; Burg, Thomas P.; Lee, Jungchul; Manalis, Scott R. (American Physical Society, 2011-08)
    Dissipation of mechanical energy underlies the sensitivity of many nanomechanical devices, with environmental effects often having a significant effect. One case of practical relevance is the interaction of elastic beam ...
  • Song, Justin Chien Wen; Levitov, Leonid (American Physical Society, 2012-12)
    Coulomb coupling in graphene heterostructures results in vertical energy transfer between electrons in proximal layers. We show that, in the presence of correlated density inhomogeneity in the layers, vertical energy ...
  • Narayan, G. Prakash; Mistry, Karan Hemant; Sharqawy, Mostafa H.; Zubair, Syed M.; Lienhard, John H. (Global Digital Central, 2010)
    Simultaneous heat and mass exchange devices such as cooling towers, humidifiers and dehumidifiers are widely used in the power generation, desalination, air conditioning, and refrigeration industries. For design and rating ...
  • Mercier, Patrick Philip; Daly, Denis C.; Chandrakasan, Anantha P. (Institute of Electrical and Electronics Engineers, 2009-05)
    This paper presents an all-digital, non-coherent, pulsed-UWB transmitter. By exploiting relaxed center frequency tolerances in non-coherent wideband communication, the transmitter synthesizes UWB pulses from an energy-efficient, ...
  • Kwong, Joyce; Chandrakasan, Anantha P. (Institute of Electrical and Electronics Engineers (IEEE), 2010-09)
    This paper presents an energy-efficient processing platform for wearable sensor nodes, designed to support diverse biological signals and algorithms. The platform features a 0.5V-1.0V 16b microcontroller, SRAM, and ...
  • Paradiso, Joseph A.; Aldrich, Matthew Henry; Zhao, Nan (SPIE, 2010-08)
    Motivated by opportunities in smart lighting, energy efficiency, and ubiquitous sensing, we present the design of polychromatic solid-state lighting controlled using a sensor network. We developed both a spectrally tunable ...
  • Kim, Byungsub; Stojanovic, Vladimir Marko (Institute of Electrical and Electronics Engineers (IEEE), 2010-06)
    This work describes the architecture and circuit implementation of a high-data-rate, energy-efficient equalized transceiver for high-loss dispersive channels, such as RC-limited on-chip interconnects or silicon-carrier ...
  • Feizi, Soheil; Angelopoulos, Georgios; Goyal, Vivek K.; Medard, Muriel (Institute of Electrical and Electronics Engineers (IEEE), 2012-01)
    Nowadays, since more and more battery-operated devices are involved in applications with continuous sensing, development of an efficient sampling mechanisms is an important issue for these applications. In this paper, we ...
  • Lee, Joo-Hyoung; Grossman, Jeffrey C. (American Physical Society, 2011-09)
    The electronic structure of graphene-graphane superlattices with armchair interfaces is investigated with first-principles density-functional theory. By separately varying the widths, we find that the energy gap Eg is ...
  • Mavhunga, Clapperton Chakanets (Rachel Carson Center for Environment and Society, 2014)
    Energy must be seen in interaction with transportation and industry in order for its role in South-Central Africa to be fully understood. All three—energy, industry, and transportation—are themselves always socialized and ...
  • Shirgaonkar, Anup; MacIver, Malcolm A.; Patankar, Neelesh A. (Public Library of Science, 2010-05)
    While there is accumulating evidence for the importance of the metabolic cost of information in sensory systems, how these costs are traded-off with movement when sensing is closely linked to movement is poorly understood. ...
  • Balister, Paul; Bollobás, Béla; Anandkumar, Animashree; Willsky, Alan S. (Institute of Electrical and Electronics Engineers (IEEE), 2011-06)
    The problem of designing policies for in-network function computation with minimum energy consumption subject to a latency constraint is considered. The scaling behavior of the energy consumption under the latency constraint ...
  • Conforti, Matteo; De Angelis, Costantino; Akylas, Triantaphyllos R. (American Physical Society, 2011-04)
    We obtain solitary-wave solutions of a model describing light propagation in binary (linearly and nonlinearly) waveguide arrays. This model describes energy localization and transport in various physical settings, ranging ...
  • Sanchez, William R.; Sodini, Charles G.; Dawson, Joel L. (Institute of Electrical and Electronics Engineers (IEEE), 2010-09)
    We present the first known energy management IC to allow low-power systems, such as biomedical implants, to optimally use ultracapacitors instead of batteries as their chief energy storage elements. The IC, fabricated in ...
  • Roy, Arjun; Rumble, Stephen M.; Stutsman, Ryan; Levis, Philip; Mazieres, David; Zeldovich, Nickolai (Association for Computing Machinery, 2011-04)
    We argue that controlling energy allocation is an increasingly useful and important feature for operating systems, especially on mobile devices. We present two new low-level abstractions in the Cinder operating system, ...
  • Roy, Arjun; Rumble, Stephen M.; Stutsman, Ryan; Levis, Philip; Mazieres, David; Zeldovich, Nickolai (Association for Computing Machinery (ACM), 2011-04)
    We argue that controlling energy allocation is an increasingly useful and important feature for operating systems, especially on mobile devices. We present two new low-level abstractions in the Cinder operating system, ...
  • Gutowski, Timothy G.; Gershwin, Stanley B.; Bounassisi, Tonio (Institute of Electrical and Electronics Engineers, 2010-07)
    During periods of growth, the energy payback performance of new energy generating technologies deviates substantially from the usual static measures of energy return on investment (EROI), and time to breakeven (tB) for ...
  • Ioakimidis, Christos; Koukouzas, Nikolaos; Chatzimichali, Anna; Casimiro, Sergio; Macarulla, Ana (Elsevier, 2012-01)
    The energy balance of Greece is strongly dependent on imported oil. The rather late introduction of natural gas has increased the diversity of the energy mix while the share of renewable sources in primary energy supply ...
  • Leitermann, Olivia; Kirtley, James L., Jr. (Institute of Electrical and Electronics Engineers (IEEE), 2010-11)
    Certain energy storage technologies are well-suited to the high-frequency, high-cycling operation which is required in provision of load frequency control (LFC). To limit the total stored energy capacity required while ...
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