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microelectromechanical systems

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Journal Article
Journal: Geophysics
Published: 23 April 2012
Geophysics (2012) 77 (3): WA99-WA107.
...Ranajit Ghose ABSTRACT A digital 3C array seismic cone penetrometer has been developed for multidisciplinary geophysical and geotechnical applications. Seven digital triaxial microelectromechanical system accelerometers are installed at 0.25-m intervals to make a 1.5-m-long downhole seismic array...
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Journal Article
Journal: Geophysics
Published: 06 May 2011
Geophysics (2011) 76 (3): B79-B87.
...Christian Stotter; Erika Angerer Abstract A 2D vibroseis line was acquired in the Vienna Basin (Austria) for the purpose of comparing the data of digital multicomponent single sensors based on microelectromechanical system (MEMS) sensors alongside conventional vertical-component geophone arrays...
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Journal Article
Published: 28 June 2017
Seismological Research Letters (2017) 88 (5): 1322-1326.
... not expected or thought about how to respond to such a large earthquake and its related aftershocks. After the event, Koreans were left feeling a certain level of apprehension. Responding to this situation, a temporary microelectromechanical system (MEMS)‐based seismic network was operated at six high‐school...
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Journal Article
Published: 08 November 2016
Bulletin of the Seismological Society of America (2016) 106 (6): 2469-2489.
... for large earthquakes, and are sensitive enough to record P ‐wave arrivals. These characteristics make seismogeodesy suitable for real‐time applications such as earthquake early warning. The Scripps Institution of Oceanography (SIO) has developed an inexpensive microelectromechanical systems (MEMS...
Journal Article
Published: 13 November 2019
Seismological Research Letters (2019)
...Robert W. Clayton; Monica Kohler; Richard Guy; Julian Bunn; Thomas Heaton; Mani Chandy Abstract The Community Seismic Network‐Los Angeles Unified School District is a network of 300 low‐cost microelectromechanical systems accelerometers located in schools in the Los Angeles, California, region...
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Journal Article
Journal: Geophysics
Published: 01 November 2018
Geophysics (2018) 83 (6): B339-B353.
...Bojan Brodic; Alireza Malehmir; André Pugin; Georgiana Maries ABSTRACT We deployed a newly developed 3C microelectromechanical system-based seismic land streamer over porous glacial sediments to delineate water table and bedrock in Southwestern Finland. The seismic source used was a 500 kg vertical...
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Journal Article
Published: 12 September 2018
Seismological Research Letters (2018) 89 (6): 2314-2321.
...Kai‐Shyr Wang; Wei‐An Chao; Himanshu Mittal; Yih‐Min Wu ABSTRACT Recently, the P ‐wave‐alert‐device ( P ‐alert) network, which is a dense array of microelectromechanical system (MEMS) accelerometers that was developed and installed by National Taiwan University for the purposes of earthquake early...
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Journal Article
Journal: The Leading Edge
Published: 01 July 2016
The Leading Edge (2016) 35 (7): 586-588.
...Jason Criss Abstract Digital sensors based on microelectromechanical system (MEMS) technology first emerged on the market in the late 1990s and were being utilized on commercial projects as early as 2002. While these sensors were lauded for their unique technical properties, the reviews...
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Journal Article
Journal: The Leading Edge
Published: 01 November 2014
The Leading Edge (2014) 33 (11): 1234-1242.
...Jérôme Laine; Denis Mougenot Abstract A new generation of accelerometers based on a microelectromechanical system (MEMS) can deliver broadband (0 to 800 Hz) and high-fidelity measurements of ground motion even at a low level. Such performance has been obtained by using a closed-loop configuration...
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Journal Article
Published: 07 January 2014
Bulletin of the Seismological Society of America (2014) 104 (1): 184-192.
... Network ( QCN ) that connects low‐cost microelectromechanical systems accelerometers to a network of volunteer‐owned, Internet‐connected computers. Following the 3 September 2010 M 7.2 Darfield, New Zealand, earthquake we installed over 180 QCN sensors in the Christchurch region to record the aftershock...
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Journal Article
Journal: Geophysics
Published: 27 May 2019
Geophysics (2019) 84 (4): B259-B268.
... chalk units. A 45 kg accelerated weight-drop source, in combination with dense receiver spacing using microelectromechanical sensors mounted on a streamer and 48 planted geophones, was used for data acquisition. The profile runs subparallel to the cliffs of Stevns, and the recorded signal reaches...
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Journal Article
Journal: The Leading Edge
Published: 01 September 2019
The Leading Edge (2019) 38 (9): 706-714.
... not require power in contrast to a microelectromechanical system device (which is also small). This sensor choice improves the low-frequency response of the sensor compared to a damped geophone. As a result, each fully autonomous node is 13 cm tall and 4 cm in diameter at its widest point ( Figure 4 ). Small...
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Image
The CSN Sensor Package. Inside the box the Raspberry‐Pi 3b and the three‐ax...
Published: 13 November 2019
Figure 2. The CSN Sensor Package. Inside the box the Raspberry‐Pi 3b and the three‐axis microelectromechanical systems (MEMS) sensor can be seen. They are fastened to the box with two‐sided adhesive pads. The external connections are to power on the Internet. The color version of this figure
Journal Article
Published: 03 August 2016
Seismological Research Letters (2016) 87 (5): 1050-1059.
.... Consequently, it is the most damaging event in the Taiwan region since the 1999 Chi‐Chi earthquake ( Chang et al. , 2000 , 2007 ; Shin and Teng, 2001 ; Chen et al. , 2012 ). A low‐cost P ‐alert seismic network developed by the National Taiwan University (NTU) with 581 microelectromechanical system ( MEMS...
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Journal Article
Published: 06 December 2017
Seismological Research Letters (2018) 89 (1): 99-107.
... of software algorithms, development of mass alert mechanisms, and education of both the public and institutional users. One strategy for expanding the seismic network coverage through larger numbers of compact sensors would be to pursue the integration of data from inexpensive microelectromechanical systems...
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Journal Article
Published: 01 November 2015
Mineralogical Magazine (2015) 79 (6): 1475-1483.
.... Kim S. Prokudin M. Wang S. Buss A.F. Zhang J. . ( 2011 ) A Feasibility Study on Embedded Microelectromechanical Sensors and Systems (MEMS) for Monitoring Highway Structures . Iowa Highway Research Board Report No. TR-575 . Chao N.H. Dispenza J.A. DeAngelis M.E...
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Journal Article
Published: 05 September 2018
Seismological Research Letters (2019) 90 (1): 19-29.
... by National Taiwan University (NTU) is in operation and is capable of providing on‐site EEW, as well as rapid shake maps. This network consists of 636 P ‐alert stations. This network was initiated by a research group at NTU and is based on low‐cost microelectromechanical system (MEMS) accelerometers ( Wu...
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Journal Article
Journal: The Leading Edge
Published: 01 November 2014
The Leading Edge (2014) 33 (11): 1222.
...: shuki.ronen@gmail.com © 2014 by The Society of Exploration Geophysicists 2014 The two articles in this special section provide some answers to two important questions: What and how shall we measure? Lainé and Mougenot's article is about microelectromechanical system sensors. MEMS...
Journal Article
Published: 03 April 2018
Bulletin of the Seismological Society of America (2018) 108 (3A): 1219-1230.
... seismic network is a dense array of 609 stations in Taiwan. The earthquake sensors of a P ‐alert station are low‐cost microelectromechanical systems acceleration sensors ( Holland, 2003 ) that return a series of real‐time acceleration data in three directions in 16‐bit blocks at a 100‐Hz sampling rate...
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Journal Article
Published: 14 November 2018
Seismological Research Letters (2019) 90 (1): 219-228.
.... Instead, the recently developed OSOP Raspberry Shake (Fig.  1 ) and other low‐cost microelectromechanical systems (MEMSs) accelerometer packages have been proposed as candidate low‐cost ( < $ 1000    U . S . ) sensor and digitizer packages for densifying earthquake monitoring networks...
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