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Artykuły w czasopismach na temat „Vacuum Sensor”

Autor: Grafiati

Data publikacji: 6 września 2023

Data aktualizacji: 19 lipca 2025

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1

Rapa, Charnia Iradat, Erick Dephtios, Chrisna Mariangga, and Naomi Patiung. "A Design And Build A Robot Vacuum Cleaner." Journal of Physics: Conference Series 2394, no. 1 (2022): 012024. http://dx.doi.org/10.1088/1742-6596/2394/1/012024.

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Abstract In this paper design of the robot Vacum Cleaner, based on the Arduino Mega 2560 is the can walk and vacuum the floor. In this study, a microcontroller is used to regulate the work of the robot based on data obtained by six sensors, and the robot’s movement is driven by motor driver to the left and right, forward and backward, where the input is given through the keypad in the form of dust and garbage thisness, provided that if the dust thickness is (30mg)/(mm)3 then the LCD will display binary logic “1”, and if the Dust thickness is ≥0,30 mg/mm3then the data will be displayed on the L

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2

Du, Guizhen, Xianshan Dong, Xinglong Huang, Wei Su, and Peng Zhang. "Reliability Evaluation Based on Mathematical Degradation Model for Vacuum Packaged MEMS Sensor." Micromachines 13, no. 10 (2022): 1713. http://dx.doi.org/10.3390/mi13101713.

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Vacuum packaging is used extensively in MEMS sensors for improving performance. However, the vacuum in the MEMS chamber gradually degenerates over time, which adversely affects the long-term performance of the MEMS sensor. A mathematical model for vacuum degradation is presented in this article for evaluating the degradation of vacuum packaged MEMS sensors, and a temperature-accelerated test of MEMS gyroscope with different vacuums is performed. A mathematical degradation model is developed to fit the parameters of the degradation of Q-factor over time at three different temperatures. The resu

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3

Wei, Debo, Jianyu Fu, Ruiwen Liu, et al. "Highly Sensitive Diode-Based Micro-Pirani Vacuum Sensor with Low Power Consumption." Sensors 19, no. 1 (2019): 188. http://dx.doi.org/10.3390/s19010188.

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Micro-Pirani vacuum sensors usually operate at hundreds of microwatts, which limits their application in battery-powered sensor systems. This paper reports a diode-based, low power consumption micro-Pirani vacuum sensor that has high sensitivity. Optimizations to the micro-Pirani vacuum sensor were made regarding two aspects. On the one hand, a greater temperature coefficient was obtained without increasing power consumption by taking advantage of series diodes; on the other hand, the sensor structure and geometries were redesigned to enlarge temperature variation. After that, the sensor was f

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4

Zhang, Lan, Jian Lu, Hideki Takagi, Sohei Matsumoto, and Eiji Higurashi. "An Ultra-Compact MEMS Pirani Sensor for In-Situ Pressure Distribution Monitoring." Micromachines 13, no. 10 (2022): 1686. http://dx.doi.org/10.3390/mi13101686.

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In this study, we designed a microelectromechanical system (MEMS) Pirani vacuum sensor with a compact size. Specifically, the sensor was successfully fabricated based on the Pirani principle and using a commercial eight-inch MEMS foundry process. The sensor fabrication process was carried out using only four photomasks and the proposed sensor had an ultra-compact fabricated size (<2.2 × 2.2 mm2). A vacuum measurement system was set up to comprehensively evaluate the fabricated sensors. The results demonstrated that the MEMS Pirani vacuum sensor has a high responsivity in the low-pressure do

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5

Van Herwaarden, A. W., P. M. Sarro, and H. C. Meijer. "Integrated vacuum sensor." Sensors and Actuators 8, no. 3 (1985): 187–96. http://dx.doi.org/10.1016/0250-6874(85)85002-2.

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6

Giebel, Friederike Julia, Marcel Köhle, Till Stramm, Klaus T. Kallis, and Horst L. Fiedler. "Concept for a MEMS-type vacuum sensor based on electrical conductivity measurements." Journal of Sensors and Sensor Systems 6, no. 2 (2017): 367–74. http://dx.doi.org/10.5194/jsss-6-367-2017.

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Abstract. The concept of the micro-structured vacuum sensor presented in this article is the measurement of the electrical conductivity of thinned gases in order to develop a small, economical and quite a simple type of vacuum sensor. There are already some approaches for small vacuum sensors. Most of them are based on conservative measurement principles similar to those used in macroscopic vacuum gauges. Ionization gauges use additional sources of energy, like hot cathodes, ultraviolet radiation or high voltage for example, for ionizing gas molecules and thereby increasing the number of charg

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7

Berlicki, T. M. "Convection–conductive vacuum sensor." Vacuum 57, no. 4 (2000): 413–19. http://dx.doi.org/10.1016/s0042-207x(00)00153-6.

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8

ISKANDARANI, MAHMOUD Z., and NIDAL F. SHILBAYEH. "DESIGN, MODELING AND IMPLEMENTATION OF PbPc SENSOR ARRAY FOR THE DETECTION OF GASES." International Journal of Information Acquisition 02, no. 03 (2005): 191–201. http://dx.doi.org/10.1142/s021987890500057x.

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In this paper the voltage/current characteristics and the effect of NO 2 gas on the electrical conductivity of a PbPc gas sensor array is studied. The gas sensor is manufactured using vacuum deposition of gold electrodes on sapphire substrate with the lead-phathalocyanine vacuum sublimed on the top of the gold electrodes. In a comparison between two versions of the PbPc gas sensor array, it was found that they differ in gap sizes between the deposited gold electrodes. The sensors are tested at different temperatures to account for conductivity changes as the molecular adsorption/desorption rat

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9

Ramesh, Dr V., M. P. Bhargavi, B. Akhila, P. Tejaswini, and K. Gurudev Varma. "Arduino Based Smart Vacuum Cleaner Robot." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 09, no. 04 (2025): 1–9. https://doi.org/10.55041/ijsrem43635.

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Arduino based Smart Vacuum Cleaner Robot designed for autonomous [1] floor cleaning. The system is implemented using an Arduino Uno microcontroller, integrating infrared (IR) sensors [2] and an ultrasonic sensor mounted on a servo motor for obstacle detection. The motor driver and DC motors facilitate smooth mobility within an indoor environment, ensuring efficient coverage. The cleaning mechanism employs a vacuum pump, which is activated via a relay module upon detecting dust [6] or debris. This autonomous cleaning system enhances efficiency by combining automated navigation and real-time dus

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10

Novikov, S., Yu N. Makarov, Heikki Helava, S. Lebedev, Andrey Lebedev, and Valeri Davydov. "Highly Sensitive NO₂ Graphene Sensor Made on SiC Grown in Ta Crucible." Materials Science Forum 858 (May 2016): 1149–52. http://dx.doi.org/10.4028/www.scientific.net/msf.858.1149.

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Graphene films were grown on SiC substrates by annealing in vacuum or in Ar flow. Gas sensors based on graphene films were made and tested on response to nitrogen dioxide. Graphene film is used in the sensor. The graphene film grown by annealing in Ar flow shows superior sensitivity compared to that annealed in vacuum. Both sensors exhibit good potential for environmental research and monitoring

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11

Musri, Tengku, and Muhamad Nasir. "Remote Control Pada Robot Mobile Pembersih Lantai Menggunakan Smartphone Dengan Kendali Sensor Accelerometer." Jurnal Teknologi Informasi dan Terapan 5, no. 2 (2019): 97–104. http://dx.doi.org/10.25047/jtit.v5i2.87.

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Technological developments are needed in the completion of a job both working automatically and manually with good results. In this need, a technology is used which has certain advantages in a matter. For example, a room cleaning device that is a vacuum cleaner that is often used by housewives to clean dirt and dust is used because it can ease the work, the vacuum cleaner that is currently in use by manual and automatic. This study proposes a controlling mobile vacuum cleaner by utilizing an accelerometer sensor found on a smartphone with Bluetooth communication media between robots and smartp

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12

Chen, Shu-Jung, and Yung-Chuan Wu. "A New Macro-Model of Gas Flow and Parameter Extraction for a CMOS-MEMS Vacuum Sensor." Symmetry 12, no. 10 (2020): 1604. http://dx.doi.org/10.3390/sym12101604.

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When using a MEMS sensor to measure the vacuum of a medium, the transition flow between the viscous flow and molar flow is usually used to describe the gas convection due to the physical principle, which is difficult to study through analysis and simulation. In this study, the description of gas flow under different pressures in a CMOS-MEMS vacuum sensors has been incorporated into a new behavioral ANSYS model. The proposed model was built and the characteristic parameters in the model were obtained based on a CMOS-MEMS thermopile patterned with circular symmetry and an embedded heater as a he

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13

Fedorov L. Yu., Ushakov A. V., and Karpov I. V. "Synthesis and chemoresistive sensitivity to hydrogen of nanostructured CuO films." Technical Physics Letters 48, no. 7 (2022): 58. http://dx.doi.org/10.21883/tpl.2022.07.54041.19197.

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Highly porous CuO films up to 1 μm thick consisting of vertically oriented nanowires ~ 50 nm in diameter were synthesized by copper evaporation in a vacuum arc discharge in an argon/oxygen atmosphere followed by deposition on heated substrates. The phase composition and polycrystalline nature of the films were confirmed by X-ray diffraction. On the example of gaseous hydrogen H2 at a sensor operating temperature of 300oC, sensory characteristics of CuO films were studied. The qualitative mechanism of the effect of gas on the electrical characteristics of the nanostructured CuO film is describe

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14

Toto, Sofia, Pascal Nicolay, Gian Luca Morini, Michael Rapp, Jan G. Korvink, and Juergen J. Brandner. "Design and Simulation of a Wireless SAW–Pirani Sensor with Extended Range and Sensitivity." Sensors 19, no. 10 (2019): 2421. http://dx.doi.org/10.3390/s19102421.

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Pressure is a critical parameter for a large number of industrial processes. The vacuum industry relies on accurate pressure measurement and control. A new compact wireless vacuum sensor was designed and simulated and is presented in this publication. The sensor combines the Pirani principle and Surface Acoustic Waves, and it extends the vacuum sensed range to between 10−4 Pa and 105 Pa all along a complete wireless operation. A thermal analysis was performed based on gas kinetic theory, aiming to optimize the thermal conductivity and the Knudsen regime of the device. Theoretical analysis and

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15

Titus, J. B., M. E. Griswold, E. M. Granstedt, et al. "Fiber Bragg grating sensor array for detecting heat flux in vacuum." Review of Scientific Instruments 93, no. 8 (2022): 083504. http://dx.doi.org/10.1063/5.0100498.

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In TAE Technologies’ current experimental device, C-2W (also called “Norman”), record-breaking, advanced beam-driven field-reversed configuration plasmas are produced and sustained in steady state utilizing variable energy neutral beams, advanced divertors, edge-biasing electrodes, and an active plasma control system [Gota et al., Nucl. Fusion 61, 106039 (2021)]. A novel diagnostic has been developed by TAE Technologies to leverage an industrial fiber Bragg grating (FBG) sensor array to detect heat flux along the wall of the vacuum vessel from a plasma discharge. The system consists of an opti

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16

Kumar, Sumit, and Teny Theresa John. "In₂S₃ vacuum pressure sensor through a simple two-step process." Applied Physics Letters 121, no. 8 (2022): 082101. http://dx.doi.org/10.1063/5.0112017.

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We demonstrate here an In2S3 based vacuum pressure sensor that can operate over a vacuum range, 103–10−3 mbar at room temperature. It is shown that vacuum pressure has a significant electrical impact on the sensitivity and the sensor response of the device. The sensor response of the device in terms of the rate of resistance change is 183 with a quick rise/fall time of 3.3/1.7 s. Even after being exposed to ambient conditions for 8 weeks, the device displays a consistent and periodic sensor response for 100 consecutive vacuum on/off cycles, demonstrating its durability. X-ray photoelectron spe

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17

Huang, J. B., and Q. Y. Tong. "Constant-temperature integrated vacuum sensor." Electronics Letters 24, no. 23 (1988): 1429. http://dx.doi.org/10.1049/el:19880976.

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18

Randjelović, D., M. Frantlović, B. Miljković, B. Rosandić, Z. Jakšić, and B. Popović. "Intelligent Thermopile-Based Vacuum Sensor." Procedia Engineering 25 (2011): 575–78. http://dx.doi.org/10.1016/j.proeng.2011.12.143.

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19

Grzebyk, T., and A. Górecka-Drzazga. "MEMS type ionization vacuum sensor." Sensors and Actuators A: Physical 246 (August 2016): 148–55. http://dx.doi.org/10.1016/j.sna.2016.05.021.

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20

Klaassen, Erno H., and Gregory T. A. Kovacs. "Integrated thermal-conductivity vacuum sensor." Sensors and Actuators A: Physical 58, no. 1 (1997): 37–42. http://dx.doi.org/10.1016/s0924-4247(97)80222-1.

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21

van Herwaarden, A. W., and P. M. Sarro. "Floating-membrane thermal vacuum sensor." Sensors and Actuators 14, no. 3 (1988): 259–68. http://dx.doi.org/10.1016/0250-6874(88)80073-8.

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22

Wang, Tao, Zhengjie Tang, Huamao Lin, et al. "A Low Temperature Drifting Acoustic Wave Pressure Sensor with an Integrated Vacuum Cavity for Absolute Pressure Sensing." Sensors 20, no. 6 (2020): 1788. http://dx.doi.org/10.3390/s20061788.

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In this paper we demonstrate a novel acoustic wave pressure sensor, based on an aluminum nitride (AlN) piezoelectric thin film. It contains an integrated vacuum cavity, which is micro-fabricated using a cavity silicon-on-insulator (SOI) wafer. This sensor can directly measure the absolute pressure without the help of an external package, and the vacuum cavity gives the sensor a very accurate reference pressure. Meanwhile, the presented pressure sensor is superior to previously reported acoustic wave pressure sensors in terms of the temperature drift. With the carefully designed dual temperatur

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23

Shi, Yi, Beibei Wang, Kui Du, et al. "Process Monitoring for Vacuum-Assisted Resin Infusion by Using Carbon Nanotube-Based Sensors." Polymers 17, no. 4 (2025): 459. https://doi.org/10.3390/polym17040459.

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This paper developed a carbon nanotube (CNT)-coated aramid fiber sensor, which was successfully used to monitor the resin flow front and sense the fluid pressure difference during the (VARI) process. The electrical resistance change of the CNT-coated fiber sensor was compared with that of buckypaper materials. The results show that the electrical resistances of CNT sensors show rapid growth successively along the infusion direction once the flow front reaches the sensor position during resin infusion in the VARI process. The electrical resistance of CNT-coated fiber sensors may increase by as

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24

Mayasari, Fiki. "ROBOT VACUUM CLEANER WITH ULTRASONIC SENSOR AND BLUETOOTH BASED ON ARDUINO UNO." Proxies : Jurnal Informatika 6, no. 2 (2024): 116–36. http://dx.doi.org/10.24167/proxies.v6i2.12457.

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The development of technology today has increased in various fields of human life. The combination of hardware and software can produce complex systems that certainly save production and maintenance costs. In the world of electronics, the emergence of increasingly sophisticated sensors can help humans create a tool that can be used in everyday life for heavy and light work so as to facilitate human work. A robot vacuum cleaner equipped with a Bluetooth controller and supported by an Arduino-based ultrasonic sensor as a rangefinder is a solution for cleaning hard-to-reach parts of the room, sav

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25

Yu, Jie, Yulan Lu, Deyong Chen, Junbo Wang, Jian Chen, and Bo Xie. "A resonant high-pressure sensor based on dual cavities." Journal of Micromechanics and Microengineering 31, no. 12 (2021): 124002. http://dx.doi.org/10.1088/1361-6439/ac333d.

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Abstract High-pressure sensors enable expansive demands in ocean sciences, industrial controls, and oil explorations. Successful sensor realized in piezoresistive high-pressure sensors which suffer from the key issue of compromised accuracies due to serious temperature drifts. Herein, this paper presents a high accuracy resonant high-pressure sensor with the pressure range of 70 MPa. Different from conventional resonant high-pressure sensor, the developed sensor utilized a dual-resonator-cavity design to minimize temperature disturbances and improve the pressure sensitivities. Besides, four ci

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26

Fan, Wei Jun, Lang Bin Jin, Yi Lu, and Bin Guo. "Disquisition of Performance Testing Equipment for Vacuum Booster." Applied Mechanics and Materials 103 (September 2011): 422–26. http://dx.doi.org/10.4028/www.scientific.net/amm.103.422.

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Focusing on the present situation that the domestic research of vacuum booster performance testing is still at the starting stage, combined with vacuum booster performance testing requirements, a vacuum booster performance testing equipment based on VC++ was designed and realized. It consists of two independent modules, including pneumatic control module and software module. Motion control card was used to control load deflection by pulse output. Dates of displacement sensor, force sensor and pressure sensor were real-timely collected by high-speed data acquistion card. After the analysis of i

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27

Li, Sibo, and Fan Wei. "A Composite Sensor Calibration Algorithm Based on Deep Neural Network." International Journal of Computer Science and Information Technology 6, no. 2 (2025): 68–77. https://doi.org/10.62051/ijcsit.v6n2.06.

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Accurate vacuum measurement is critical in numerous fields. Aiming at the issues of nonlinear errors, temperature drift, and gas composition interference in the overlapping region of Pirani and piezoresistive composite vacuum sensors, this paper proposes an adaptive calibration algorithm based on a hysteresis-type deep neural network (H-DNN). Through analyzing the structure and principle of the composite sensor, it is found that the quadratic nonlinear characteristics of the piezoresistive sensor in the overlapping region significantly differ from the logarithmic response of the Pirani sensor.

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28

Zhang, S. W., Z. J. Zhang, Z. Wang, C. H. Xu, and W. H. Zhang. "Pressure Monitor of Vacuum Glazing with Micro-Pirani Vacuum Sensor." Sensor Letters 11, no. 5 (2013): 780–86. http://dx.doi.org/10.1166/sl.2013.2674.

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Mamat, Mohamad Hafiz, Mohd Izzudin Che Khalin, Nik Noor Hafizah Nik Mohammad, et al. "Effects of Annealing Environments on the Solution-Grown, Aligned Aluminium-Doped Zinc Oxide Nanorod-Array-Based Ultraviolet Photoconductive Sensor." Journal of Nanomaterials 2012 (2012): 1–15. http://dx.doi.org/10.1155/2012/189279.

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We have fabricated metal-semiconductor-metal- (MSM-) type ultraviolet (UV) photoconductive sensors using aluminium- (Al-) doped zinc oxide (ZnO) nanorod arrays that were annealed in different environments: air, oxygen, or a vacuum. The Al-doped ZnO nanorods had an average diameter of 60 nm with a thickness of approximately 600 nm that included the seed layer (with thickness~200 nm). Our results show that the vacuum-annealed nanorod-array-based UV photoconductive sensor has the highest photocurrent value of 2.43 × 10-4 A. The high photocurrent is due to the high concentration of zinc (Zn) inter

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Leitzke, Juliana Padilha, Tobias Mitterer, and Hubert Zangl. "Capacitive Sensing of Icing under Vacuum and Cryogenic Temperatures." Sensors 19, no. 16 (2019): 3574. http://dx.doi.org/10.3390/s19163574.

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In certain industrial processes, ice aggregations on surfaces can occur under almost vacuum conditions and at very low to cryogenic temperatures due to residual water molecules. This aggregation can affect the performance of the process and it is therefore of interest to monitor such surfaces. In this paper, we present a capacitive ice measurement system capable to operate in vacuum and temperatures of about - 120 ∘ C and below. We present a capacitive sensor setup with a separation of sensor element and sensor electronics, such that the sensor electronics can reside outside the cold environme

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Chang, Shoou-Jinn, Ting-Jen Hsueh, Cheng-Liang Hsu, Yan-Ru Lin, I.-Cherng Chen, and Bohr-Ran Huang. "A ZnO nanowire vacuum pressure sensor." Nanotechnology 19, no. 9 (2008): 095505. http://dx.doi.org/10.1088/0957-4484/19/9/095505.

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van Herwaarden, A. W., and P. M. Sarro. "Double‐beam integrated thermal vacuum sensor." Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films 5, no. 4 (1987): 2454–57. http://dx.doi.org/10.1116/1.574870.

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Alvesteffer, W. J., D. C. Jacobs, and D. H. Baker. "Miniaturized thin film thermal vacuum sensor." Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films 13, no. 6 (1995): 2980–85. http://dx.doi.org/10.1116/1.579624.

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Paul, Oliver, and Henry Baltes. "Novel fully CMOS-compatible vacuum sensor." Sensors and Actuators A: Physical 46, no. 1-3 (1995): 143–46. http://dx.doi.org/10.1016/0924-4247(94)00878-l.

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Berlicki, T. M., S. J. Osadnik, and E. L. Prociów. "Vacuum pressure thermal thin-film sensor." Vacuum 53, no. 3-4 (1999): 373–76. http://dx.doi.org/10.1016/s0042-207x(98)00343-1.

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Sarcan, Fahrettin. "ZnO nanoparticles-based vacuum pressure sensor." Nanotechnology 31, no. 43 (2020): 435502. http://dx.doi.org/10.1088/1361-6528/aba39d.

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Williams, Kirt R., Dirk P. H. De Bruyker, Scott J. Limb, Eric M. Amendt, and Doug A. Overland. "Vacuum Steered-Electron Electric-Field Sensor." Journal of Microelectromechanical Systems 23, no. 1 (2014): 157–67. http://dx.doi.org/10.1109/jmems.2013.2262924.

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Zhang, Feng Tian, Ying Bin Zheng, Bin Tang, Wei Su, and Zhen’an Tang. "Design and Fabrication of High Vacuum Gauge Based on Micro Hotplate." Key Engineering Materials 645-646 (May 2015): 698–705. http://dx.doi.org/10.4028/www.scientific.net/kem.645-646.698.

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Vacuum gauge based on micro hotplate (MHP) is a kind of promising MEMS vacuum gauge due to its advantages including high sensitivity, wide measurement range, fast response speed and comparably easy fabrication, etc. In this paper, through analyzing various of heat dissipation approaches including solid heat conduction, gas heat conduction, heat radiation, and convection, the sensor output expression of MHP-based vacuum gauge is obtained when keeping electric current of heating resistor constant. With the structure size and material properties, the relationship curve between vacuum gauge output

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Hla, Htay Win, Kar Ar, and Lai Win Lai. "Automatic Vacuum Cleaner Robot Car by using ATMega-328P." Bago University Research Journal Vol.9, No.1, no. 2019 (2019): 127–37. https://doi.org/10.5281/zenodo.3920077.

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This research focuses on design, construction and control of domestic vacuum cleaner robot car using ultrasonic sensor with servo motor and DC motors. The domestic vacuum cleaner robot car comprises 8-bit Arduino microcontroller, ultrasonic sensor, 2-channel dual motor driver (L9110S), two wheels with DC motor, servo motor, centrifugal fan and vacuum chamber. The advantage of controlling the servo motor with ultrasonic sensor is that they can be programmed to have an initial position of the robot car and to rotate the robot car to an exact degree with respect to the require distance. The opera

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40

Liu, Rui, Hong Yuan, Li Lin, Chang Liu, and Kaisheng Huang. "Vacuum booster control system design and fault self-check strategies." Journal of Physics: Conference Series 2491, no. 1 (2023): 012034. http://dx.doi.org/10.1088/1742-6596/2491/1/012034.

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Abstract In this paper, the software and hardware design of the vehicle vacuum pump control system was carried out based on single-chip microcomputer technology. Combined with the vacuum pump structure and control principle, the hardware design of the power supply, barometric pressure sensor, vacuum pressure sensor, current detection, and motor drive is carried out with the HS08 series single-chip microcomputer as the core. The software strategy design for barometric pressure signal acquisition, vacuum pressure signal acquisition, and vacuum pump driving has been completed, and the dual pressu

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Li, Ting, Qinghe Song, Guangjun He, et al. "A Method for Detecting the Vacuum Degree of Vacuum Glass Based on Digital Holography." Sensors 23, no. 5 (2023): 2468. http://dx.doi.org/10.3390/s23052468.

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The vacuum degree is the key parameter reflecting the quality and performance of vacuum glass. This investigation proposed a novel method, based on digital holography, to detect the vacuum degree of vacuum glass. The detection system was composed of an optical pressure sensor, a Mach–Zehnder interferometer and software. The results showed that the deformation of monocrystalline silicon film in an optical pressure sensor could respond to the attenuation of the vacuum degree of vacuum glass. Using 239 groups of experimental data, pressure differences were shown to have a good linear relationship

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Belov, A. M., V. F. Andreev, and A. V. Sushkov. "Simulations of TRT Vacuum Vessel Effect on the Magnetic Diagnostics System Sensor Signals." Fizika plazmy 50, no. 4 (2024): 427–41. http://dx.doi.org/10.31857/s0367292124040056.

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The results of model numerical calculations are presented, showing the effect of the TRT vacuum vessel on the amplitudes and phases of the magnetic sensors signals, which are located on the inner and outer vacuum vessel surfaces. It is shown that the characteristic times of loop voltage sensors considerably depend on their position on the TRT vacuum vessel. Therefore, their accurate mutual matching is required, especially in the dynamic stage of the discharge, when high eddy currents are induced in the vacuum vessel. The results of numerical calculations for the case of periodic disturbances i

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Cherniak, Gil, Moshe Avraham, Sharon Bar-Lev, Gady Golan, and Yael Nemirovsky. "Study of the Absorption of Electromagnetic Radiation by 3D, Vacuum-Packaged, Nano-Machined CMOS Transistors for Uncooled IR Sensing." Micromachines 12, no. 5 (2021): 563. http://dx.doi.org/10.3390/mi12050563.

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There is an ongoing effort to fabricate miniature, low-cost, and sensitive thermal sensors for domestic and industrial uses. This paper presents a miniature thermal sensor (dubbed TMOS) that is fabricated in advanced CMOS FABs, where the micromachined CMOS-SOI transistor, implemented with a 130-nm technology node, acts as a sensing element. This study puts emphasis on the study of electromagnetic absorption via the vacuum-packaged TMOS and how to optimize it. The regular CMOS transistor is transformed to a high-performance sensor by the micro- or nano-machining process that releases it from th

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Liang, Cai, Jing Hu, Barton C. Prorok, Chinthaka Gooneratne, and Jürgen Kosel. "Annealing Effect on the Performance of Sputtering Deposited Metglas Thin Films." Materials Science Forum 667-669 (December 2010): 1207–12. http://dx.doi.org/10.4028/www.scientific.net/msf.667-669.1207.

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Magnetostrictive sensors based on ferromagnetic materials have been widely used in detecting chemicals and biological species. The MetglasTM 2826MB is one of the bulk strip materials that is employed as the sensor platform. However, the sensitivity is limited by the large size of the sensors itself. In order to improve the sensitivity, we have developed a process to fabricate microscale sensors of 500 x 100 m in size using conventional MEMS technology. As-deposited, the sensors suffered from internal stress, which was released by a annealing the sensors at 215 °C for two hours under vacuum co

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Affandi, Faisol, Ahmad Izzuddin, and Ira Apriia. "Implementasi Sensor Kompas Sebagai Sistem Navigasi Pada Robot vacuum cleaner." Energy - Jurnal Ilmiah Ilmu-Ilmu Teknik 11, no. 1 (2021): 21–25. http://dx.doi.org/10.51747/energy.v11i1.1235.

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Perkembangan teknologi pada saat ini telah mengalami peningkatan sedemikian pesatnya hingga mengantarkan pada suatu era teknologi robotika. Salah satunya dibidang alat bantu rumah tangga seperti robot vacuum cleaner yang telah mampu bernavigasi otomatis. Permasalahan pada robot vacuum cleaner tersebut kecepatan roda kanan dan kiri belum seimbang. Berdasarkan permasalahan mendorong peneliti untuk mengembangkan robot vacuum cleaner dengan menambahkan sensor kompas HMC5883L dan menerapkan metode fuzzy tsukamoto. Pada penelitian ini Metode fuzzy tsukamoto telah mampu menyeimbangkan kecepatan roda

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Coburn, Kendrick A., Nicholas S. DeGrasse, Joseph C. Mertens, et al. "An Instrumented Printed Insert for Continuous Monitoring of Distal Limb Motion in Suction and Elevated Vacuum Sockets." Prosthesis 4, no. 4 (2022): 710–29. http://dx.doi.org/10.3390/prosthesis4040056.

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A suction or elevated vacuum prosthetic socket that loses vacuum pressure may cause excessive limb motion, putting the user at risk of skin irritation, gait instability and injury. The purpose of this research was to develop a method to monitor distal limb motion and then test a small group of participants wearing suction sockets to identify variables that strongly influenced motion. A thin plastic insert holding two inductive sensor antennae was designed and printed. Inserts were placed in suction sockets made for four participants who regularly used suction or elevated vacuum suspension. Par

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Santovito, Elisa, Sophia Elisseeva, Malco C. Cruz-Romero, Geraldine Duffy, Joseph P. Kerry, and Dmitri B. Papkovsky. "A Simple Sensor System for Onsite Monitoring of O2 in Vacuum-Packed Meats during the Shelf Life." Sensors 21, no. 13 (2021): 4256. http://dx.doi.org/10.3390/s21134256.

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Vacuum packaging (VP) is used to reduce exposure of retail meat samples to ambient oxygen (O2) and preserve their quality. A simple sensor system produced from commercial components is described, which allows for non-destructive monitoring of the O2 concentration in VP raw meat samples. Disposable O2 sensor inserts were produced by spotting small aliquots of the cocktail of the Pt–benzoporphyrin dye and polystyrene in ethyl acetate onto pieces of a PVDF membrane and allowing them to air-dry. These sensor dots were placed on top of the beef cuts and vacuum-packed. A handheld reader, FirestinGO2

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Yu, Hai Xia, Da Chao Li, Yong Jie Ji, Xiao Li Zhang, and Ke Xin Xu. "An Interstitial Fluid Transdermal Extraction Chip with Vacuum Generator and Volume Sensor for Continuous Glucose Monitoring." Key Engineering Materials 562-565 (July 2013): 571–75. http://dx.doi.org/10.4028/www.scientific.net/kem.562-565.571.

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A five layer microfluidic chip which is designed and fabricated for interstitial fluid (ISF) transdermal extraction, collection, and measurement toward the application of continuous and real-time glucose monitoring is presented in this paper. The microfluidic chip consists of a Venturi tube generating vacuum for ISF extraction and fluid manipulation, a novel volume sensor of electrolytic fluid for normal saline input volume control and ISF volume measurement, pneumatic valves for fluid management, and access ports for glucose sensor integration. The output vacuum of the Venturi tube is tested,

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HURME, EERO U., and RAIJA AHVENAINEN. "A Nondestructive Leak Detection Method for Flexible Food Packages Using Hydrogen as a Tracer Gas." Journal of Food Protection 61, no. 9 (1998): 1165–69. http://dx.doi.org/10.4315/0362-028x-61.9.1165.

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A nondestructive leak detection method developed at Technical Research Centre of Finland (VTT) was tested for both gas-flushed and vacuum flexible packages. In the method, a gas package containing 0.5 to 5.0% (vol/vol) hydrogen in nitrogen was positioned in a test chamber, a controlled vacuum was pulled in the chamber through a pipe connected to a hydrogen sensor, and leaking packages were detected by the sensor as increased H2 concentration. The H2 tracer gas (0.5 to 5.0%) was introduced into leaking finished vacuum packages at 200 kPa pressure. Within 1 to 4 s the developed test method was a

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Kurnyta, Artur, Krzysztof Dragan, and Michal Dziendzikowski. "Assessment of Sensor Technologies for Aircraft SHM Systems." Fatigue of Aircraft Structures 2013, no. 5 (2014): 53–59. http://dx.doi.org/10.2478/fas-2013-0005.

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Abstract SHM is a monitoring system which uses sensors, actuators and data transmission, acquisition and analysis, permanently integrated with the inspected object. The objective of SHM is to detect, localize, identify and predict development of fatigue fractures, increasing safety and reliability. This paper presents an assessment of sensor technologies used in aircraft SHM system. Due to the fact that most of these measurement methods are relatively new and still under development the present appraisal focuses on a number of parameters with reference to each method, including a sensor’s inst

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