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Miniaturization and Micro/Nanotechnology in Space Robotics [chapter]

Evangelos Papadopoulos, Iosif Paraskevas, Thaleia Flessa
2012 Nanorobotics  
Space is an exciting but fundamentally unfriendly environment for humans.  ...  However on a broader sense, almost everything that has been sent into space, integrates a form of automation in some degree, and therefore can be characterized as "automated or robotic".  ...  Acknowledgments Part of the work presented in this chapter was conducted under the ESA Project "Identification and Assessment of Existing Terrestrial Micro-systems and Microtechnologies for Space Robotics  ... 
doi:10.1007/978-1-4614-2119-1_5 fatcat:gnfjls5mbrdgdiwxu6mhbrnble

Radiation Belt Storm Probes—Observatory and Environments

Karen Kirby, David Artis, Stewart Bushman, Michael Butler, Rich Conde, Stan Cooper, Kristen Fretz, Carl Herrmann, Adrian Hill, Jeff Kelley, Richard Maurer, Richard Nichols (+6 others)
2012 Space Science Reviews  
A description of the observatory environment is provided along with protection for sensitive electronics to support operations in the harsh radiation belt environment.  ...  The twin RBSP observatories (recently renamed the Van Allen Probes) will follow slightly different orbits and will lap each other four times per year, offering simultaneous measurements over a range of  ...  Acknowledgements The authors thank the NASA Living With a Star program and the Science Mission Directorate for support of this work, as well as the efforts of the many RBSP team members whose work will  ... 
doi:10.1007/s11214-012-9949-2 fatcat:dvce2gpnqnd3lcafxp6gh6fege

Graphene [chapter]

Yuehai Yang, Wenzhi Li, Elmar Kroner, Eduard Arzt, Bharat Bhushan, Laila Benameur, Liu Wei, Alain Botta, Yang Lu, Jun Lou, Debdeep Jena, Michael Nosonovsky (+5 others)
2012 Encyclopedia of Nanotechnology  
Current emphasis in low-cost inertial sensor commercialization is on a System-in-a-Package (SiP) and ultimately single-chip integration of 6 axis of inertial sensing augmented with a 3 axis magnetometer  ...  À r 0 Þ; (30) where I is the unit dyadic tensor (I Á A ¼ A for any vector function A).  ...  Combining three gyroscopes with three accelerometers in a complete 6-axis Inertial Measurement Unit (IMU) enables self-contained Inertial Navigation Systems (INS) for navigation, guidance, and dead reckoning  ... 
doi:10.1007/978-90-481-9751-4_373 fatcat:ufbrwpdaingvdgjkgcybe3zlbi

Velocity-free fault-tolerant rendezvous law based on dual-layer adaptive algorithm

Wei Wang, Yi Ji, Defu Lin, Xingwei Shi, Jianting Zhao
2020 IEEE Access  
Moreover, to overcome the sensor fault in relative-velocity channel, a robust observer which can drive the velocity error converge to zero in a small finite time is presented.  ...  difficult-repaired sensor and actuator failure always occurs during the spacecraft rendezvous guidance phase and may cause terrible performance, this paper studies the fault-tolerant guidance method and proposes a  ...  suppressor for example) to keep attitude stability, whilst omitting the tiny time delay between command generator and actuators.  ... 
doi:10.1109/access.2020.3009662 fatcat:wko5oe75qvd4zdnlrksr2xfct4

Table of Contents

2016 Molecular Endocrinology  
Lowe United States Air Force Academy ~ Assigning Accurate and Effective Anti-Terrorism Measures for U.S.  ...  Dynamic and buoyant fluid forces, added mass effects and inertial forces are combined at each time step to calculate accelerations, velocities, and displacements of each segment of the line; line segments  ...  Brandt United States Air Force Academy A low cost, aerodynamically stable platform capable of representing fifth generation fighter aircraft is needed to test US weapons systems.  ... 
doi:10.1210/mend.2016.30.issue-5.toc fatcat:qwwl2b2jxjd2pcyn2o6nqqzrb4

A coupled bispectral, temporal and spatial coherence function of the pressure field, scattered from a moving sea surface

Christian Bjerrum‐Niese, Leif Bjo/rno/
1995 Journal of the Acoustical Society of America  
Technical Advisory Groups for ISO/TC 43 (P. D. Schomer), IEC/TC 29 (V. Nedzelnitsky), and ISO/'rc 108/SC4 (H.  ...  Technical Advisory Groups for ISO/TC 43 (P. D. Schomer), and IEC/TC 29 (V. Nedzelnitsky), will report on current activities of these international Technical Committees.  ...  It provides a recipe for inverting stress-strain data (low-frequency data) for the distribution of hysteretic mechanical units.  ... 
doi:10.1121/1.414267 fatcat:gtdrkztuvfbova3a4rdj2f7umu

A virtual auditory environment for investigating the auditory signal processing of realistic sounds

Sylvain Favrot, Jörg M. Buchholz
2008 Journal of the Acoustical Society of America  
A low power and low noise infrasound sensor for temporary measurements.  ...  , e.g., measurement accuracy and expense, costs, etc.  ...  This technology provides for a cost effective tool for the measurement of coherent signal propagation, depth dependent and directional noise fields and to establish quantitative limits on array performance  ... 
doi:10.1121/1.2936003 fatcat:ontu6yamdvgbnooet5fe36fm74

Analysis of room transfer function and reverberant signal statistics

Eleftheria Georganti, John Mourjopoulos, Finn Jacobsen
2008 Journal of the Acoustical Society of America  
A low power and low noise infrasound sensor for temporary measurements.  ...  , e.g., measurement accuracy and expense, costs, etc.  ...  This technology provides for a cost effective tool for the measurement of coherent signal propagation, depth dependent and directional noise fields and to establish quantitative limits on array performance  ... 
doi:10.1121/1.2935346 fatcat:lxgnqr6tozajhge3ydet3xomam

Temporal suppression and augmentation of click-evoked otoacoustic emissions

Sarah Verhulst, James M. Harte, Torsten Dau
2008 Hearing Research  
Measurement of room-to-room airborne sound insulation with an access floor in a dwelling unit of condominium.  ...  Examples are presented for a room with a diffuse sound field, and for elongated rooms where the sound field is strongly non-diffuse, in the case of both diffuse and specular reflections. 3760 Enclosures  ...  A low power and low noise infrasound sensor for temporary measurements.  ... 
doi:10.1016/j.heares.2008.09.008 pmid:18926894 fatcat:bijdlpxpzfcsrjeefayvvu4pl4

Temporal suppression and augmentation of click‐evoked otoacoustic emissions

Sarah Verhulst, James M. Harte, Torsten Dau
2008 Journal of the Acoustical Society of America  
Measurement of room-to-room airborne sound insulation with an access floor in a dwelling unit of condominium.  ...  Examples are presented for a room with a diffuse sound field, and for elongated rooms where the sound field is strongly non-diffuse, in the case of both diffuse and specular reflections. 3760 Enclosures  ...  A low power and low noise infrasound sensor for temporary measurements.  ... 
doi:10.1121/1.2935694 fatcat:z6yidzqqendznbmrczb3woaiv4

Across‐frequency processes involved in auditory detection of coloration

Jörg M. Buchholz, Paris Kerketsos
2008 Journal of the Acoustical Society of America  
Measurement of room-to-room airborne sound insulation with an access floor in a dwelling unit of condominium.  ...  Examples are presented for a room with a diffuse sound field, and for elongated rooms where the sound field is strongly non-diffuse, in the case of both diffuse and specular reflections. 3760 Enclosures  ...  A low power and low noise infrasound sensor for temporary measurements.  ... 
doi:10.1121/1.2935741 fatcat:acaporn5qvgb5coauovqkbv6lq

Health—exploring complexity: an interdisciplinary systems approach HEC2016

Eva Grill, Martin Müller, Ulrich Mansmann
2016 European Journal of Epidemiology  
Conclusions The estimator for the POR does not outperform the estimator for the OR for all the regarded performance measures.  ...  During head impulses, head movements were measured with inertial sensors, eye movements with video-oculography (EyeSeeCam system).  ...  In this context, a focused crawler uses techniques from the field of machine learning to estimate the relevance of a webpage for the domain of interest [5,6].  ... 
doi:10.1007/s10654-016-0183-1 pmid:27522353 fatcat:dcl3nbpygvh5fg7keri74h55ie

Voronoi polygons and self-consistent technique used to compute the airflow resistivity of randomly placed fibers in glass wool

Viggo Tarnow
2002 Journal of the Acoustical Society of America  
Valid data look like a low-pass filtered acceleration time history which is not integrated.  ...  The advantages of these devices are high reliability ͑especially when redundantly activated͒, low cost and weight, high activation speed, and low structural deformation a short distance from the source  ...  In addition, a number of environmental measurements were taken, making this a suitable data set for acoustic inversion. The SAGA system will be used with several forward models for a comparison. ͓  ... 
doi:10.1121/1.4809175 fatcat:jqxtrgkn2fcf3a7vzsp2u56akm

Temporal integration of loudness as a function of level

Mary Florentine, So/ren Buus, Torben Poulsen
1995 Journal of the Acoustical Society of America  
A method has been developed based on coupled normal modes which allows us to estimate pulse responses quickly.  ...  The acoustic time series can then be analyzed for climatic trends. The control mn is used to estimate the ambient noise processes on long-term scales.  ...  This ratio is only 20 (between 0.5 and 10 cm 2) for the "compact" versus "diffuse" axis (from/a/to/i/).  ... 
doi:10.1121/1.411567 fatcat:h52442zdrnc6zmr4ephlixbspu

Application of the PE method to up‐slope sound propagation

Marta Galindo, Karsten Bo Rasmussen
1995 Journal of the Acoustical Society of America  
A method has been developed based on coupled normal modes which allows us to estimate pulse responses quickly.  ...  The acoustic time series can then be analyzed for climatic trends. The control mn is used to estimate the ambient noise processes on long-term scales.  ...  This ratio is only 20 (between 0.5 and 10 cm 2) for the "compact" versus "diffuse" axis (from/a/to/i/).  ... 
doi:10.1121/1.411728 fatcat:bvxtg4xt7zcljo4rpxldvug444
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