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Journal articles on the topic 'Dynamic pressure sensor'

Author: Grafiati

Published: 6 September 2023

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1

Tian, Bian, Yulong Zhao, Zhe Niu, and Jiang Zhuangde. "Micro-pressure sensor dynamic performance analysis." Sensor Review 34, no. 4 (2014): 367–73. http://dx.doi.org/10.1108/sr-11-2013-748.

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Purpose – The purpose of this paper is to report on a piezoresistive pressure sensor for micro-pressure measurement with a cross-beam membrane (CBM) structure. This study analyzes the dynamic characteristics of the proposed device. Design/methodology/approach – This CBM sensor possesses high stiffness and sensitivity, measuring dynamic pressure more effectively in a high-frequency environment compared with other piezoresistive structures. The dynamic characteristics are derived using the finite element method to analyze the dynamic responses of the new structure, including natural frequency an

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2

Tsung, Tsing Tshih, Lee Long Han, Liang Chia Chen, and Ho Chang. "Performance Characterization of Pressure Sensors Using an Improved Pressure Square Wave Generator." Key Engineering Materials 295-296 (October 2005): 533–38. http://dx.doi.org/10.4028/www.scientific.net/kem.295-296.533.

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The purpose of this paper is to analyze and compare the dynamic characteristics of various structure pressure sensors using the Improved Pressure Square Wave Generator (IPSWG). The developed IPSWG is a signal generator that creates pressure square waves as an excitation source. The dynamic characteristics of pressure sensor in hydraulic systems can be measured and evaluated effectively due to the high excitation energy. The method is also useful for dynamic testing and characterization for a high frequency range, which cannot be performed by the traditional methods, such as the hammer kit exci

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Okojie, Robert S., Roger D. Meredith, Clarence T. Chang, and Ender Savrun. "High Temperature Dynamic Pressure Measurements Using Silicon Carbide Pressure Sensors." Additional Conferences (Device Packaging, HiTEC, HiTEN, and CICMT) 2014, HITEC (2014): 000047–52. http://dx.doi.org/10.4071/hitec-ta25.

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Un-cooled, MEMS-based silicon carbide (SiC) static pressure sensors were used for the first time to measure pressure perturbations at temperatures as high as 600 °C during laboratory characterization, and subsequently evaluated in a combustor rig operated under various engine conditions to extract the frequencies that are associated with thermoacoustic instabilities. One SiC sensor was placed directly in the flow stream of the combustor rig while a benchmark commercial water-cooled piezoceramic dynamic pressure transducer was co-located axially but kept some distance away from the hot flow str

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Gao, Rui, Wenjun Zhang, Junmin Jing, et al. "Design, Fabrication, and Dynamic Environmental Test of a Piezoresistive Pressure Sensor." Micromachines 13, no. 7 (2022): 1142. http://dx.doi.org/10.3390/mi13071142.

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Microelectromechanical system (MEMS) pressure sensors have a wide range of applications based on the advantages of mature technology and easy integration. Among them, piezoresistive sensors have attracted great attention with the advantage of simple back-end processing circuits. However, less research has been reported on the performance of piezoresistive pressure sensors in dynamic environments, especially considering the vibrations and shocks frequently encountered during the application of the sensors. To address these issues, this paper proposes a design method for a MEMS piezoresistive pr

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Cai, Sikang, Guicong Wang, Yingjun Li, and Xiaoqi Yang. "Research on material selection of force-sensitive element for high-frequency dynamic piezoelectric pressure sensor." MATEC Web of Conferences 355 (2022): 01026. http://dx.doi.org/10.1051/matecconf/202235501026.

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The high-frequency dynamic piezoelectric pressure sensor has the advantages of simple structure, long service life, high natural frequency, excellent signal-to-noise ratio and great sensitivity. It is appropriate for measuring high dynamic, dynamic or quasi-static pressure changes and pressure fluctuations. And this kind of sensor is widely utilized in the shock wave testing. The force-sensitive element is one of the main factors affecting the static and dynamic performance of piezoelectric pressure sensors. Basing on the piezoelectric equation and coupling effect between mechanics and electri

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Geng, Xingguang, Su Liu, Yitao Zhang, et al. "Adjacent Channel Interference Modeling of Single Vibration Point on Multichannel Dynamic Pressure Sensors." Journal of Sensors 2020 (February 12, 2020): 1–8. http://dx.doi.org/10.1155/2020/1953506.

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Pulse waves of a radial artery under different pressures applied through a cuff play an important role in disease diagnosis, especially in traditional chinese medicine (TCM). Pulse waves could be collected by a pressure sensor array affixed to an inflatable cuff. During a process of collecting pulse waves, one sensor of a sensor array moves up and down when the sensor is shocked by a pulse wave. Movement of the sensor leads to the passive displacement of other nearby sensors because of a connecting structure between them. Then, vibration signals will be generated by the nearby sensors although

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Szczerba, Zygmunt, Piotr Szczerba, Kamil Szczerba, and Krzysztof Pytel. "Acceleration-Insensitive Pressure Sensor for Aerodynamic Analysis." Energies 16, no. 7 (2023): 3040. http://dx.doi.org/10.3390/en16073040.

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This paper presents a method for preparing a pressure sensor that is insensitive to acceleration along with experimental evidence of its efficacy in aerodynamic analysis. A literature review and preliminary studies revealed the undesirable effect of acceleration on sensors that are located on moving elements, as evidenced by deviations from actual pressure values for piezoresistive pressure sensors that are made using MEMS technology. To address this, the authors developed a double-membrane sensor geometry that eliminated this imperfection; a method of implementing two solo pressure sensors as

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Zhang, Jun Xiang, Kun Shan Ge, Zhan Bao Gao, and Shao Peng Dong. "Online Dynamic Compensation of Pressure Sensor." Applied Mechanics and Materials 775 (July 2015): 420–25. http://dx.doi.org/10.4028/www.scientific.net/amm.775.420.

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An online dynamic compensation of the pressure sensor based on simultaneous identification method of model order and parameter is proposed to identify the model of pressure sensor and set digital compensation links for the pressure sensor. While simulating, the compensation links can broaden the frequency band and improve the dynamic process of the pressure sensor. This article describes the realization of the digital dynamic compensation with DSP processor and the process of the experimental verification. The results show that the simultaneous identification method can be used in determinatio

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Svete, Andrej, Francisco Javier Hernández Castro, and Jože Kutin. "Effect of the Dynamic Response of a Side-Wall Pressure Measurement System on Determining the Pressure Step Signal in a Shock Tube Using a Time-of-Flight Method." Sensors 22, no. 6 (2022): 2103. http://dx.doi.org/10.3390/s22062103.

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Technological progress demands accurate measurements of rapidly changing pressures. This, in turn, requires the use of dynamically calibrated pressure meters. The shock tube enables the dynamic characterization by applying an almost ideal pressure step change to the pressure sensor under calibration. This paper evaluates the effect of the dynamic response of a side-wall pressure measurement system on the detection of shock wave passage times over the side-wall pressure sensors installed along the shock tube. Furthermore, it evaluates this effect on the reference pressure step signal determined

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Gobi, K., B. Kannapiran, D. Devaraj, and K. Valarmathi. "Design, performance evaluation and analysis of the inlet tube of pressure sensor for chamber pressure measurement." Sensor Review 39, no. 4 (2019): 612–21. http://dx.doi.org/10.1108/sr-12-2017-0260.

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Purpose In Aerospace applications, the inlet tubes are used to mount strain gauge type pressure sensors on the engine under static test to measure engine chamber pressure. This paper aims to focus on the limitations of the inlet tube and its design aspects to serve better in the static test environment. The different sizes of the inlet tubes are designed to meet the static test and safety requirements. This paper presents the performance evaluation of the designed inlet tubes with calibration results and the selection criteria of the inlet tube to measure combustion chamber pressure with the s

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11

Xiao, Fan, Shunyu Jin, Wan Zhang, Yingxin Zhang, Hang Zhou, and Yuan Huang. "Wearable Pressure Sensor Using Porous Natural Polymer Hydrogel Elastomers with High Sensitivity over a Wide Sensing Range." Polymers 15, no. 12 (2023): 2736. http://dx.doi.org/10.3390/polym15122736.

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Wearable pressure sensors capable of quantifying full-range human dynamic motionare are pivotal in wearable electronics and human activity monitoring. Since wearable pressure sensors directly or indirectly contact skin, selecting flexible soft and skin-friendly materials is important. Wearable pressure sensors with natural polymer-based hydrogels are extensively explored to enable safe contact with skin. Despite recent advances, most natural polymer-based hydrogel sensors suffer from low sensitivity at high-pressure ranges. Here, by using commercially available rosin particles as sacrificial t

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Tan, Qiu Lin, Xian Sheng Zhang, Li Qiong Ding, and Zhao Ying Zhou. "Design of Water Pressure Sensor Applied to the Eye Aqueous Humor Detection." Key Engineering Materials 609-610 (April 2014): 1023–28. http://dx.doi.org/10.4028/www.scientific.net/kem.609-610.1023.

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Aimed at the dynamic pressure measurement, this paper presents a pressure sensor based on MEMS technology. An absolute pressure sensor is in one silicon chip of which the size is 3.05mm×3.05mm with the diaphragm thickness of 890μm. We combine Piezoresistive Bridge with signal conditioning chip, and design a gain adjustable, high sensitivity dynamic pressure sensors. By changing the depth of the sensor in water, the resulting change in the resistor signal is then used to calculate the depth of the water. The experimental results show that the measuring accuracy can reach 2×10-4V per 1mm (water

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13

Chang, Ho, Mu Jung Kao, Tsing Tshih Tsung, and J. L. Wu. "An Innovative Technology for Measuring The Dynamic Characteristics of Pressure Sensors." Materials Science Forum 505-507 (January 2006): 1057–62. http://dx.doi.org/10.4028/www.scientific.net/msf.505-507.1057.

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This study developed a square-like pressure wave generator as an excitation source to test dynamic characteristics of pressure sensors. The developed generator can generate a square-like pressure wave of as high as 2 kHz and can achieve high-frequency switching by utilizing the differential principle through a series of mechanical rotations between the revolving spindle and revolving ring. The square-like pressure wave generated is input into the hydraulic system while the output voltage signals given by the pressure sensor can be analyzed by spectrum analysis to obtain dynamic characteristics

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14

Pfützner, Andreas, Barbora Tencer, Boris Stamm, et al. "Miniaturization of an Osmotic Pressure-Based Glucose Sensor for Continuous Intraperitoneal and Subcutaneous Glucose Monitoring by Means of Nanotechnology." Sensors 23, no. 9 (2023): 4541. http://dx.doi.org/10.3390/s23094541.

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The Sencell sensor uses glucose-induced changes in an osmotic pressure chamber for continuous glucose measurement. A final device shall have the size of a grain of rice. The size limiting factor is the piezo-resistive pressure transducers inside the core sensor technology (resulting chamber volume: 70 µL. To achieve the necessary miniaturization, these pressure transducers were replaced by small (4000 × 400 × 150 nm³) nano-granular tunneling resistive (NTR) pressure sensors (chamber volume: 750 nL). For benchmark testing, we filled the miniaturized chamber with bovine serum albumin (BSA, 1 mM)

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15

Liu, Geng Ran, Xing Gao Zhang, and Xin Zhao. "Study on Calibration Method for Explosion Pressure Test System." Applied Mechanics and Materials 602-605 (August 2014): 1928–32. http://dx.doi.org/10.4028/www.scientific.net/amm.602-605.1928.

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The segment sensitivity for various pressure sensors is obtained by implementing the static and dynamic calibrations for three types of pressure sensors, i.e., CY-YD-202, CY-YD-205 and CY-YD-203T, and the average absolute value of relative errors for sensors is obtained by measuring the dynamic high-frequency signal, which provides the basis for correct selection of pressure sensor during the test.

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16

Phillippi, R. M., and T. M. Drzewiecki. "Elimination of Drift and Asymmetry Effects in Fluidic Sensors by Feedback." Journal of Dynamic Systems, Measurement, and Control 107, no. 1 (1985): 86–92. http://dx.doi.org/10.1115/1.3140712.

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This paper presents a feedback approach to the design of fluidic sensor circuits that will minimize drift and other unwanted offset effects, that are due to component asymmetries, and at the same time will improve the overall sensor frequency response. In this approach sensor supply pressure is generated by one output of a high gain differential regulator amplifier rather than by the raw system supply pressure. As a result, variations in system pressure, that normally would appear as sensor output drift (time varying null offset), are decoupled from the sensor. The amount of effort required to

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17

Samridhi, Manish Kumar, Sachin Dhariwal, Kulwant Singh, and P. A. Alvi. "Stress and frequency analysis of silicon diaphragm of MEMS based piezoresistive pressure sensor." International Journal of Modern Physics B 33, no. 07 (2019): 1950040. http://dx.doi.org/10.1142/s0217979219500401.

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This paper reports the stress and frequency analysis of dynamic silicon diaphragm during the simulation of micro-electro-mechanical-systems (MEMS) based piezoresistive pressure sensor with the help of finite element method (FEM) within the frame work of COMSOL software. Vibrational modes of rectangular diaphragm of piezoresistive pressure sensor have been determined at different frequencies for different pressure ranges. Optimal frequency range for particular applications for any diaphragm is a very important so that MEMS sensors performance should not degrade during the dynamic environment. T

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18

Zahid, Muhammad Zubair, Shahid Ikramullah Butt, Tauqeer Iqbal, Syed Zohaib Ejaz, and Zhang Faping. "Nonlinear Material Behavior Analysis under High Compression Pressure in Dynamic Conditions." International Journal of Aerospace Engineering 2017 (2017): 1–15. http://dx.doi.org/10.1155/2017/3616932.

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Gun chamber pressure is an important parameter in proofing of ammunition to ensure safety and reliability. It can be measured using copper crushers or piezoelectric sensor. Pressure calculations in copper crusher method are based on linear plastic deformation of copper after firing. However, crusher pressure deformation at high pressures deviates from the corresponding values measured by piezoelectric pressure transducers due to strain rate dependence of copper. The nonlinear deformation rate of copper at high pressure measurements causes actual readings from copper crusher gauge to deviate fr

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19

MURAKAMI, Tetsuhiko, Atsuji MASUDA, Toshinori SASAJI, Yoshiyuki IEMOTO, Hideyuki UEMATSU, and Shuichi TANOUE. "Dynamic Compression Durability of Textile Pressure Sensor." Journal of Textile Engineering 62, no. 5 (2016): 117–22. http://dx.doi.org/10.4188/jte.62.117.

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20

Xu, Bo, Tailin Han, Hong Liu, Xiao Wang, and Mingchi Ju. "Dynamic Compensation of Piezoresistive Pressure Sensor Based on Sparse Domain." Journal of Sensors 2020 (October 21, 2020): 1–8. http://dx.doi.org/10.1155/2020/8890028.

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In the process of transient test, due to the insufficient bandwidth of the pressure sensor, the test data is inaccurate. Firstly, based on the projection of the shock tube test signal in the sparse domain, the feature expression of the signal sample is obtained. Secondly, the problem of insufficient bandwidth is solved by inverse modeling of sensor dynamic compensation system based on swarm intelligence algorithm. In this paper, the method is used to compensate the shock tube test signals of the 85XX series pressure sensors made by the Endevco company of the United States, the working bandwidt

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21

Lao, Steven, Hamza Edher, Utkarsh Saini, Jeffrey Sixt, and Armaghan Salehian. "A Novel Capacitance-Based In-Situ Pressure Sensor for Wearable Compression Garments." Micromachines 10, no. 11 (2019): 743. http://dx.doi.org/10.3390/mi10110743.

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This paper pertains to the development & evaluation of a dielectric electroactive polymer-based tactile pressure sensor and its circuitry. The evaluations conceived target the sensor’s use case as an in-situ measurement device assessing load conditions imposed by compression garments in either static form or dynamic pulsations. Several testing protocols are described to evaluate and characterize the sensor’s effectiveness for static and dynamic response such as repeatability, linearity, dynamic effectiveness, hysteresis effects of the sensor under static conditions, sensitivity to measurem

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Kutin, J., and A. Svete. "Connecting volume effects on dynamics of pneumatic pressure measurement systems." ACTA IMEKO 9, no. 5 (2020): 315. http://dx.doi.org/10.21014/acta_imeko.v9i5.991.

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The pressure sensors are often placed at a certain distance from the measured object. Beside the properties of the transmission fluid, dynamic characteristics of such a measurement system depends on the geometry and dimensions of the connecting elements. So far made research works have shown that the internal volume of the pressure sensor can have a large influence on the dynamic response. This paper is focused on theoretical analysis of the effects of the sensor volume on characteristic parameters of both the frequency and the time response of the system under discussion with a gas medium.

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23

Su, Xingjie, Chunli Luo, Weiguo Yan, Junyi Jiao, and Dongzhou Zhong. "Microdome-Tunable Graphene/Carbon Nanotubes Pressure Sensors Based on Polystyrene Array for Wearable Electronics." Materials 14, no. 23 (2021): 7385. http://dx.doi.org/10.3390/ma14237385.

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Resistive pressure sensors are appealing due to having several advantages, such as simple reading mechanisms, simple construction, and quick dynamic response. Achieving a constantly changeable microstructure of sensing materials is critical for the flexible pressure sensor and remains a difficulty. Herein, a flexible, tunable resistive pressure sensors is developed via simple, low-cost microsphere self-assembly and graphene/carbon nanotubes (CNTs) solution drop coating. The sensor uses polystyrene (PS) microspheres to construct an interlocked dome microstructure with graphene/CNTs as a conduct

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Pieniążek, Jacek, Piotr Cieciński, Daniel Ficek, and Marek Szumski. "Dynamic Response of the Pitot Tube with Pressure Sensor." Sensors 23, no. 5 (2023): 2843. http://dx.doi.org/10.3390/s23052843.

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This paper presents an attempt to determine the dynamic properties of a measuring system based on total pressure measurement with the use of a Pitot tube and a semiconductor pressure transducer. The presented research uses computed fluid dynamics (CFD) simulation and real data from the pressure measurement system for determination of the dynamical model of the Pitot tube with the transducer. An identification algorithm is applied to the data from the simulation, and the model in the form of a transfer function is an identification result. The oscillatory behavior is detected, and this result i

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Edwards, Bradley, David Murphy, Carol Janzen, and Nordeen Larson. "Calibration, Response, and Hysteresis in Deep-Sea Dissolved Oxygen Measurements." Journal of Atmospheric and Oceanic Technology 27, no. 5 (2010): 920–31. http://dx.doi.org/10.1175/2009jtecho693.1.

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Abstract Accurately measuring the dissolved oxygen concentration in the ocean has been the subject of considerable research. Traditionally, the calibration and correction of profiling oxygen measurements has centered on static, steady-state errors, leaving dynamic or time-dependent errors in the sensor response largely untreated. This study evaluates a reengineered Sea-Bird Electronics dissolved-oxygen Clark electrode (SBE 43) and demonstrates the characterization of sensor time response over oceanographic temperatures and pressures as well as treating a time-dependent, pressure-induced effect

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Zhao, You, Yulong Zhao, Lukang Wang, Yu Yang, and Yabing Wang. "Femtosecond Laser Processing Assisted SiC High-Temperature Pressure Sensor Fabrication and Performance Test." Micromachines 14, no. 3 (2023): 587. http://dx.doi.org/10.3390/mi14030587.

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Due to material plastic deformation and current leakage at high temperatures, SOI (silicon-on-insulator) and SOS (silicon-on-sapphire) pressure sensors have difficulty working over 500 °C. Silicon carbide (SiC) is a promising sensor material to solve this problem because of its stable mechanical and electrical properties at high temperatures. However, SiC is difficult to process which hinders its application as a high-temperature pressure sensor. This study proposes a piezoresistive SiC pressure sensor fabrication method to overcome the difficulties in SiC processing, especially deep etching.

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Li, Wanjing, Andeng Liu, Yimeng Wang, et al. "Implantable and Degradable Wireless Passive Protein-Based Tactile Sensor for Intracranial Dynamic Pressure Detection." Electronics 12, no. 11 (2023): 2466. http://dx.doi.org/10.3390/electronics12112466.

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Implantable sensors normally require devices with excellent biocompatibility and flexibility as well as wireless communication. Silk fibroin (SF) is an ideal material for implantable electronic devices due to its natural biodegradability and biocompatibility. In this work, we prepared SF protein materials with different force/chemical properties through mesoscopic regulation, and realized full protein replacement from substrate to dielectric elastomer for implantable sensors, so as to achieve controlled complete degradation. In wireless tests simulating intracranial pressure, the SF-based all-

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28

Takarada, Tohru, Tetsunosuke Asada, Yoshihisa Sumi, and Yoshinori Higuchi. "Noncontact Monitoring of Respiration by Dynamic Air-Pressure Sensor." Anesthesia Progress 62, no. 3 (2015): 100–105. http://dx.doi.org/10.2344/12-00020.1.

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Abstract We have previously reported that a dynamic air-pressure sensor system allows respiratory status to be visually monitored for patients in minimally clothed condition. The dynamic air-pressure sensor measures vital information using changes in air pressure. To utilize this device in the field, we must clarify the influence of clothing conditions on measurement. The present study evaluated use of the dynamic air-pressure sensor system as a respiratory monitor that can reliably detect change in breathing patterns irrespective of clothing. Twelve healthy volunteers reclined on a dental cha

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Li, Honglin, Hui Deng, Guangqi Zheng, Mingguang Shan, Zhi Zhong, and Bin Liu. "Reviews on Corrugated Diaphragms in Miniature Fiber-Optic Pressure Sensors." Applied Sciences 9, no. 11 (2019): 2241. http://dx.doi.org/10.3390/app9112241.

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Corrugated diaphragms (CDs) have been widely used in many fields because of their higher pressure sensitivity and wider linear range compared to flat diaphragms (FDs) in the same circumstances. Especially in the application of miniature fiber-optic pressure sensors, the introduction of the corrugated structure gives the sensor high sensitivity, large dynamic range, good linearity, small hysteresis, good stability, and so on. Research on CD-based miniature fiber-optic pressure sensors has gradually attracted more attention in recent years. In this paper, the principles of operation of a miniatu

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Rabbani, K. Siddique-e., SM Zahid Ishraque, M. Shahedul Islam, and Rhaad Muasir Rabbani. "Improvisation of an Optical Pressure Sensor Based Dynamic Foot Pressure Measurement System." Bangladesh Journal of Medical Physics 4, no. 1 (2013): 51–58. http://dx.doi.org/10.3329/bjmp.v4i1.14687.

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Dynamic foot pressure measurement is necessary particularly for diabetic patients to prevent ulcers, eventually leading to gangrene and amputation. The present work reports a low cost optical sensing system for the above, suitable for the Third World. It uses a horizontally placed transparent Acrylic plate with a webcam placed below facing upwards. A white paper, backed by a black adhesive plastic sheet, covered the whole plate on the top. Light from a tubular fluorescent lamp entered the acrylic plate from a side and traversed the thickness through total internal reflection. At points of pres

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Yang, W., Q. Yang, R. Yan, et al. "Dynamic Response of Pressure Sensor With Magnetic Liquids." IEEE Transactions on Applied Superconductivity 20, no. 3 (2010): 1860–63. http://dx.doi.org/10.1109/tasc.2010.2044160.

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Bakhoum, E. G., and M. H. M. Cheng. "Capacitive Pressure Sensor With Very Large Dynamic Range." IEEE Transactions on Components and Packaging Technologies 33, no. 1 (2010): 79–83. http://dx.doi.org/10.1109/tcapt.2009.2022949.

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Schweeger, G., C. Lang, H. L. Hartnagel, R. Dolt, G. Hohenberg, and K. Fricke. "Active GaAs sensor element for dynamic pressure measurements." Electronics Letters 30, no. 16 (1994): 1355–56. http://dx.doi.org/10.1049/el:19940910.

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Wang, Qi, James McDaniel, and Ming Wang. "Dynamic Tire Pressure Sensor for Measuring Ground Vibration." Sensors 12, no. 11 (2012): 15192–205. http://dx.doi.org/10.3390/s121115192.

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Sanchis, R., I. M. Tkachenko, G. Verdú, and J. L. Muñoz-Cobo. "Dynamic analysis of the NPP pressure sensor system." Progress in Nuclear Energy 29, no. 3-4 (1995): 321–36. http://dx.doi.org/10.1016/0149-1970(95)00015-c.

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Homayounfar, S. Zohreh, Ali Kiaghadi, Deepak Ganesan, and Trisha L. Andrew. "(Digital Presentation) Harnessing Wide-Range, Highly Stable Pressure Sensitivity Via PEDOT-Cl Vapor Printed Textiles for Health Monitoring." ECS Meeting Abstracts MA2022-02, no. 62 (2022): 2286. http://dx.doi.org/10.1149/ma2022-02622286mtgabs.

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The advancement of wearable electromechanical sensors to detect biopotentials and body locomotion is critically important in evaluating human performance and improving off-site care applications. Electromechanical pressure sensors are defined as transducers that transform the mechanical deformations caused by applied pressure to a detectable electrical output. Depending on the transduction mechanism, pressure sensors fall within different categories including triboelectric, transistive, capacitive, piezoelectric, and piezoresistive sensors. Piezoresistive pressure sensors, in which the ultimat

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LI, Yan Bing, Meng Yuan, and Ji Yong Xu. "The Analysis and Study Based on MEMS Sensor." Advanced Materials Research 282-283 (July 2011): 271–74. http://dx.doi.org/10.4028/www.scientific.net/amr.282-283.271.

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A kind of ultra micro pressure range MEMS pressure sensor is elaborated and analyzed in detail. The chip structure selection of pressure sensor is researched by the relative theory and the reasonable chip structure is designed in this paper. In order to design the Wheatstone bridge properly, we explore the width and length of the resistors on the membrane of the pressure sensor. At last, through the finite element analysis method, the relevant dynamic properties are analyzed for the sensor too. The dynamic response time is 3.2×10-5s. The response speed is fast and the sensor has many advantage

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Sengupta, Ushnish, Günther Waxenegger-Wilfing, Jan Martin, Justin Hardi, and Matthew P. Juniper. "Forecasting thermoacoustic instabilities in liquid propellant rocket engines using multimodal Bayesian deep learning." International Journal of Spray and Combustion Dynamics 14, no. 3-4 (2022): 218–28. http://dx.doi.org/10.1177/17568277221139974.

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We present a method that combines multiple sensory modalities in a rocket thrust chamber to predict impending thermoacoustic instabilities with uncertainties. This is accomplished by training an autoregressive Bayesian neural network model that forecasts the future amplitude of the dynamic pressure time series, using multiple sensor measurements (injector pressure/ temperature measurements, static chamber pressure, high-frequency dynamic pressure measurements, high-frequency OH* chemiluminescence measurements) and future flow rate control signals as input. The method is validated using experim

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Zhao, Xin, Dong Mei, Gangqiang Tang, et al. "Strain and Pressure Sensors Based on MWCNT/PDMS for Human Motion/Perception Detection." Polymers 15, no. 6 (2023): 1386. http://dx.doi.org/10.3390/polym15061386.

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Flexible wearable devices have attracted wide attention in capacious fields because of their real-time and continuous monitoring of human information. The development of flexible sensors and corresponding integration with wearable devices is of great significance to build smart wearable devices. In this work, multi-walled carbon nanotube/polydimethylsiloxane-based (MWCNT/PDMS) resistive strain sensors and pressure sensors were developed to integrate a smart glove for human motion/perception detection. Firstly, MWCNT/PDMS conductive layers with excellent electrical and mechanical properties (re

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Chen, Jianzhong, Ke Sun, Rong Zheng, et al. "Three-Dimensional Arterial Pulse Signal Acquisition in Time Domain Using Flexible Pressure-Sensor Dense Arrays." Micromachines 12, no. 5 (2021): 569. http://dx.doi.org/10.3390/mi12050569.

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In this study, we developed a radial artery pulse acquisition system based on finger-worn dense pressure sensor arrays to enable three-dimensional pulse signals acquisition. The finger-worn dense pressure-sensor arrays were fabricated by packaging 18 ultra-small MEMS pressure sensors (0.4 mm × 0.4 mm × 0.2 mm each) with a pitch of 0.65 mm on flexible printed circuit boards. Pulse signals are measured and recorded simultaneously when traditional Chinese medicine practitioners wear the arrays on the fingers while palpating the radial pulse. Given that the pitches are much smaller than the diamet

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Kang, Yuhong, Scott Mouring, Albrey de Clerck, Shuo Mao, Wing Ng, and Hang Ruan. "Development of a Flexible Integrated Self-Calibrating MEMS Pressure Sensor Using a Liquid-to-Vapor Phase Change." Sensors 22, no. 24 (2022): 9737. http://dx.doi.org/10.3390/s22249737.

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Self-calibration capabilities for flexible pressure sensors are greatly needed for fluid dynamic analysis, structure health monitoring and wearable sensing applications to compensate, in situ and in real time, for sensor drifts, nonlinearity effects, and hysteresis. Currently, very few self-calibrating pressure sensors can be found in the literature, let alone in flexible formats. This paper presents a flexible self-calibrating pressure sensor fabricated from a silicon-on-insulator wafer and bonded on a polyimide substrate. The sensor chip is made of four piezoresistors arranged in a Wheatston

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Cong, Jiqing, Jianping Jing, and Changmin Chen. "Development of a PVDF Sensor Array for Measurement of the Dynamic Pressure Field of the Blade Tip in an Axial Flow Compressor." Sensors 19, no. 6 (2019): 1404. http://dx.doi.org/10.3390/s19061404.

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Tip clearance flow in axial flow compressor is unavoidable and responsible for pressure losses and noise generation and influences the stability of the compressor. However, necessary flow measurement in the blade tip region is a great challenge due to the small gap width as well as the structure limitation. In this paper, a polyvinylidene fluoride (PVDF) piezoelectric-film sensor array is developed to capture the dynamic pressure field over the blade tip in an axial flow compressor. The PVDF sensor array with 40 evenly distributed sensing points is fabricated directly on a 30 μm thick aluminum

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Buchholz, B., A. Afchine, and V. Ebert. "Rapid, optical measurement of the atmospheric pressure on a fast research aircraft using open-path TDLAS." Atmospheric Measurement Techniques 7, no. 11 (2014): 3653–66. http://dx.doi.org/10.5194/amt-7-3653-2014.

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Abstract. Because of the high travel speed, the complex flow dynamics around an aircraft, and the complex dependency of the fluid dynamics on numerous airborne parameters, it is quite difficult to obtain accurate pressure values at a specific instrument location of an aircraft's fuselage. Complex simulations using computational fluid dynamics (CFD) models can in theory computationally "transfer" pressure values from one location to another. However, for long flight patterns, this process is inconvenient and cumbersome. Furthermore, these CFD transfer models require a local experimental validat

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Buchholz, B., A. Afchine, and V. Ebert. "Rapid, optical measurement of the atmospheric pressure on a fast research aircraft using open-path TDLAS." Atmospheric Measurement Techniques Discussions 7, no. 5 (2014): 4775–813. http://dx.doi.org/10.5194/amtd-7-4775-2014.

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Abstract. Because of the high travel speed, the complex flow dynamics around an aircraft and the complex dependency of the fluid dynamics on numerous airborne parameters, it is quite difficult to obtain accurate pressure values at a specific instrument location of an aircraft's fuselage. Complex simulations using computational fluid dynamics (CFD) models can in theory computationally "transfer" pressure values from one location to another. However, for long flight patterns, this process is inconvenient and cumbersome. Furthermore these CFD transfer models require a local experimental validatio

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Li, Xinying, Zhuoping Duan, and Renrong Long. "Research on vibration compensation technology of pressure sensors in shock wave overpressure measurement." Journal of Physics: Conference Series 2369, no. 1 (2022): 012075. http://dx.doi.org/10.1088/1742-6596/2369/1/012075.

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In the dynamic pressure test of explosion shock wave, the interference of seismic wave and mechanical shock makes the interpretation of shock wave pressure measurement more difficult. In this paper, a comparative test is designed to peel off the vibration signal, and the source of vibration in shock wave measurement and the cause of acceleration parasitic effect of pressure sensor are analyzed combined with the data; Then, according to the experimental conclusions and the working principle of the sensor, a new pressure sensor with vibration compensation function is designed; Finally, the feasi

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Rose, Nicholas E., Lawrence A. Feiwell, and Andrea Cracchiolo. "A Method for Measuring Foot Pressures Using a High Resolution, Computerized Insole Sensor: The Effect of Heel Wedges on Plantar Pressure Distribution and Center of Force." Foot & Ankle 13, no. 5 (1992): 263–70. http://dx.doi.org/10.1177/107110079201300506.

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A new, high resolution, pressure-sensitive insole was tested and found to provide reproducible measurements of static and dynamic plantar pressures inside the shoe of normal test subjects under certain conditions. However, calibration between separate sensors was poor and the sensor pads showed significant wear with use. This system was also used to investigate the effect of heel wedges on plantar foot pressure to determine whether this system was sensitive enough to detect the effect of a gross shoe modification on plantar foot pressure. Medial heel wedges decreased plantar pressures under th

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Safarloo, Sahar, Arántzazu Núñez-Cascajero, Ruben Sanchez-Gomez, and Carmen Vázquez. "Polymer Optical Fiber Plantar Pressure Sensors: Design and Validation." Sensors 22, no. 10 (2022): 3883. http://dx.doi.org/10.3390/s22103883.

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The proper measurement of plantar pressure during gait is critical for the clinical diagnosis of foot problems. Force platforms and wearable devices have been developed to study gait patterns during walking or running. However, these devices are often expensive, cumbersome, or have boundary constraints that limit the participant’s motions. Recent advancements in the quality of plastic optical fiber (POF) have made it possible to manufacture a low-cost bend sensor with a novel design for use in plantar pressure monitoring. An intensity-based POF bend sensor is not only lightweight, non-invasive

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Zou, Qiang, Fengrui Yang, and Yaodong Wang. "Highly sensitive flexible modulus sensor for softness perception and clinical application." Journal of Micromechanics and Microengineering 32, no. 3 (2022): 035004. http://dx.doi.org/10.1088/1361-6439/ac49a2.

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Abstract The wearable sensors for softness measuring are emerging as a solution of softness perception, which is an intrinsic function of human skin, for electronic skin and human-machine interaction. However, these wearable sensors suffer from a key challenge: the modulus of an object can not be characterized directly, which originates from the complicated transduction mechanism. To address this key challenge, we developed a flexible and wearable modulus sensor that can simultaneously measure the pressure and modulus without mutual interference. The modulus sensing was realized by merging the

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Yu, Zhongliang, Yulong Zhao, Lili Li, Bian Tian, and Cun Li. "Geometry optimization for micro-pressure sensor considering dynamic interference." Review of Scientific Instruments 85, no. 9 (2014): 095002. http://dx.doi.org/10.1063/1.4895999.

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Yuan, Shenfang, Fahard Ansari, Xiaohui Liu, and Yang Zhao. "Optic fiber-based dynamic pressure sensor for WIM system." Sensors and Actuators A: Physical 120, no. 1 (2005): 53–58. http://dx.doi.org/10.1016/j.sna.2004.11.008.

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