Pressure sensing by electrical admittance measurement of a comb-drive actuator

2007 ◽  
Vol 2 (3) ◽  
pp. 335-339 ◽  
Author(s):  
Kenjiro Ayanos ◽  
Gen Hashiguchim
Keyword(s):  
Comb Drive ◽  
Pressure Sensing ◽  
Electrical Admittance ◽  
Admittance Measurement

scholarly journals Electromechanical Analysis of a Micromachined Comb-Drive Actuator by Admittance Measurement

2006 ◽  
Vol 126 (7) ◽  
pp. 281-285 ◽  
Author(s):  
Kenjiro Ayano ◽  
Katuyori Suzuki ◽  
Gen Hashiguchi ◽  
Hiroyuki Fujita
Keyword(s):  
Comb Drive ◽  
Admittance Measurement

An Equivalent Circuit Model for Vertical Comb Drive MEMS Optical Scanner Controlled by Pulse Width Modulation

2012 ◽  
Vol 132 (1) ◽  
pp. 1-9 ◽  
Author(s):  
Satoshi Maruyama ◽  
Muneki Nakada ◽  
Makoto Mita ◽  
Takuya Takahashi ◽  
Hiroyuki Fujita ◽  
...  
Keyword(s):  
Equivalent Circuit ◽  
Pulse Width ◽  
Pulse Width Modulation ◽  
Equivalent Circuit Model ◽  
Circuit Model ◽  
Comb Drive ◽  
Optical Scanner

scholarly journals Accurate Tongue–Palate Pressure Sensing Device to Study Speech Production and Swallowing in Patients with Complete Denture

2021 ◽  
Author(s):  
Bharat Mirchandani ◽  
Pascal Perrier ◽  
Brigitte Grosgogeat ◽  
Christophe Jeannin
Keyword(s):  
Speech Production ◽  
Temporal Variations ◽  
Complete Denture ◽  
Positive Pressure ◽  
Single Subject ◽  
Audio Signals ◽  
Motor Tasks ◽  
Pressure Sensing ◽  
French Speaking ◽  
Swallowing Pressure

Abstract Objectives The mechanical interactions between tongue and palate are crucial for speech production and swallowing. In this study, we present examples of pressure signals that can be recorded with our PRESLA system (PRESLA holds for the French expression “PRESsion de la LAngue” [Pressure from the tongue]) to assess these motor functions, and we illustrate which issues can be tackled with such a system. Materials and Methods A single French-speaking edentulous subject, old wearer of a complete denture, with no speech production and swallowing disorders, was recorded during the production of nonsense words including French alveolar fricatives, and during dry and water swallowing. The PRESLA system used strain-gauge transducers that were inserted into holes drilled in the palatal surface of a duplicate of the prosthesis at six locations that were relevant for speech production and swallowing. Pressure signals were postsynchronized with the motor tasks based on audio signals. Results Patterns of temporal variations of the pressure exerted by the tongue on the palate are shown for the two studied motor tasks. It is shown for our single subject that patterns for fricative /s/ are essentially bell shaped, whereas pressure signals observed for water swallow begin with a maximum followed by a slow decrease during the rest of the positive pressure phase. Pressure magnitude is almost 20 times larger for water swallow than for /s/ production. Conclusions This study illustrates the usefulness of our PRESLA system for studying speech production and swallowing motor control under normal and pathological conditions.

Reduced graphene oxide/polyaniline wrapped carbonized sponge with elasticity for energy storage and pressure sensing

2021 ◽  
Author(s):  
Shichao Huang ◽  
Jialun Li ◽  
Xueyu Zhang ◽  
Xijia Yang ◽  
Liying Wang ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Energy Storage ◽  
Reduced Graphene Oxide ◽  
Pressure Sensing ◽  
Reduced Graphene

Reduced graphene oxide/polyaniline wrapped carbonized sponge with elasticity for energy storage and pressure sensing.

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