MEMS sensor
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Recent papers in MEMS sensor
Low-power and high-temperature sensors and MEMS designs based on bulk, SOI and IC compatible materials and processes are presented here. Target markets are in general public sensors for UV, ozone, CO, liquids presence, e.g. in mobile... more
MEMS on Moon! : MEMS Based Lunar Seismometer to primarily detect Moon quakes . Designed and fabricated at LEOS, Indian Space Research Organisation (ISRO) for Chandrayan 2 lunar Mission. The micro-seismometer is configured to pick low... more
Способите и методите, които са използвани в навигацията през вековете са се променяли, както и съответно целите които обслужват. Един от тези методи е инерциалната навигация. В днешни времена инерциалната навигация предлага много... more
At the present time, micro-electro-mechanical system (MEMS) acceler-ometers seem to provide adequate sensitivity, noise level, and dynamic range to be applicable to earthquake strong-motion acquisition. The current common use of MEMS... more
Documentation and Tutorial on the use of the GY-521 Sensor breakout board. The board consists of a gyroscope and an accelerometer. The tutorial illustrates the interfacing of the sensor board with Arduino and LEDs.
Oscillator selection for electronic devices, communication systems and networking applications is a major factor affecting the overall system performance. This document measures and compares the MEMS oscillators and the crystal oscillators.
A brief review on the use of acoustic waves in designing MEMS based resonator is described in this paper. Acoustic devices can be further classified into two basic types – Surface acoustic wave (SAW) and Bulk acoustic wave (BAW)... more
La adsorción es un fenómeno que ocurre cuando hay atracción de moléculas de la superficie de un sólido (adsorbente), y las moléculas de un fluido (adsorbato). Si hay interacción de Van der Waals entre las moléculas del adsorbato y la... more
Saggio su interazione uomo macchina, usabilità, valore euristico dell'arte, le più diffuse tecnologie d'interfaccia, mems, gesture recognition. Contiene i seguenti case studies: smart laser scanner, physical motion interface,... more
Seismometers are instruments used to detect and quantify motions on the ground including those generated by quakes and volcano eruptions. The data obtained by seismometers placed on the lunar surface would contain plenty of information... more
Two multisensor system architectures for navigation and guidance of small Unmanned Aircraft (UA) are presented and compared. The main objective of our research is to design a compact, light and relatively inexpensive system capable of... more
In this paper we presents a MEMS (Micro-electromechanical System) cantilever based humidity sensor for various applications such as environmental monitoring, electronics, agriculture and biomedical fields. The main focus of this paper is... more
MEMS (Micro Electro-Mechanical Systems) sensors enable a vast range of applications: among others, the use of MEMS accelerometers for seismology related applications has been emerging considerably in the last decade. In this paper, we... more
This work investigates suitability of low cost Micro-Electro Mechanical System (MEMS) sensors in strong motion related studies, particularly in dense arrays utilized in producing quick shaking intensity maps. Two types of MEMS sensors... more
A detailed process characterization of SML electron beam resist for high-aspect-ratio nanopatterning at high sensitivity is presented. SML contrast curves were generated for methyl isobutyl ketone (MIBK), MIBK/isopropyl alcohol (IPA)... more
In a technological spin-off, initial and further business development is a two-stage challenge of survival and growth. Spin-offs’ business development relies on the design and renewal of an adequate business model, effective open... more
This paper demonstrates a novel optofluidic pressure sensor. Since optofluidics is becoming an emerging technology which combines the advantages of optics and microfluidics, it is used to bring new benefits to traditional pressure... more
ARIANNA is a small-size system, wearable by an operator for his localisation and tracking. Its design stems from the following assumptions: no need of infrastructure for localisation; low cost, no need of warm-up time (e.g. training... more
In this paper, we have studied the sources of error of a low-cost 3-axis MEMS accelerometer by means of Power Spectral Density and Allan Variance techniques. These techniques were applied to the signals acquired from ten identical devices... more
Abstract This thesis investigates, how placement variations of electronic devices influence the possibility of using sensors integrated in those devices for context recognition. The vast majority of context recognition research assumes... more
Recognition of the mode of motion or mode of transit of the user or platform carrying a device is needed in portable navigation, as well as other technological domains. An extensive survey on motion mode recognition approaches is provided... more
The modelling of physical systems is very important phenomena in today's world due to easy understanding of their dynamics. There are several methods to model the physical systems, one of which is the bond graph technique which is the... more
International Journal of Smart and Nano Materials, 2011
A compact single cell piezoelectric micromachined ultrasound transducer (PMUT) with dual electrodes is designed, fabricated, and used to measure the density of a fluid mixture mimicking the range of human blood density variation. The... more
Coronavirus disease 19 (COVID-19) is a virus that spreads through contact with the respiratory droplets of infected persons, so quarantine is mandatory to break the infection chain. This paper proposes a wearable device with the Internet... more
In this paper, the design, fabrication, and characterization of a robust and low-power micro-machined two-dimensional (2-D) wind sensor based on a glass-in-silicon reflow process are presented for the first time. The four thermistors,... more
High sensitivity MEMS pressure sensor chip for different ranges (1 to 60 kPa) utilizing the novel electrical circuit of piezosensitive differential amplifier with negative feedback loop (PDA-NFL) is developed. Pressure sensor chip PDA-NFL... more