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Artículos de revistas sobre el tema "Self-temperature Compensation"

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Autor: Grafiati
Publicado: 6 de septiembre de 2023

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1

Shi, Ran, Jian Zhao, An Ping Qiu y Guo Ming Xia. "Temperature Self-Compensation of Micromechanical Silicon Resonant Accelerometer". Applied Mechanics and Materials 373-375 (agosto de 2013): 373–81. http://dx.doi.org/10.4028/www.scientific.net/amm.373-375.373.

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Temperature is one of the most important factors affecting the accuracy of micromechanical silicon resonant accelerometer (SRA). In order to reduce the temperature sensitivity and improve the sensor performance, a new method of temperature self-compensation for SRA is presented in this paper. Utilizing the differential structure of SRA, the temperature compensation for bias and scale factor can be realized simultaneously in this method. Moreover, because no temperature sensor is needed in this method, the error in temperature measurement due to the temperature gradient between the mechanical sensitive structure and temperature sensor is avoided, and the precision of temperature compensation for SRA can be further improved. The test results obtained on SRA prototype which is developed by MEMS Inertial Technology Research Center show that, by employing the method of temperature self-compensation, the temperature coefficients of bias and scale factor are reduced from 3.1 mg/°C and 778 ppm/°C to 0.05 mg/°C and -9.4 ppm/°C, respectively.
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2

Tao, Wang, He Dawei, Wang Ziqian y Wang Yongsheng. "A novel temperature self-compensation FBG vibration sensor". Journal of Physics: Conference Series 276 (1 de febrero de 2011): 012146. http://dx.doi.org/10.1088/1742-6596/276/1/012146.

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3

Du, Qing Fu. "Temperature Measurement with High Accuracy". Advanced Materials Research 301-303 (julio de 2011): 1333–38. http://dx.doi.org/10.4028/www.scientific.net/amr.301-303.1333.

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Calibration of general temperature sensor, platinum resistor is done with measuring its zero resistance and dispersity of linear system and compensating. Accurate constant current source is used to provide platinum resistor sensor power and four-wire measuring method is designed for self-compensation of lead wire resistance. With amplifying the changing signal of platinum using amplifier of high precision and low temperature drift, and MCPU digital filtering, highly accurate temperature measurement result is got finally.
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4

Li, Yinan, Junbo Wang, Zhenyu Luo, Deyong Chen y Jian Chen. "A Resonant Pressure Microsensor Capable of Self-Temperature Compensation". Sensors 15, n.º 5 (29 de abril de 2015): 10048–58. http://dx.doi.org/10.3390/s150510048.

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5

Liu, Guigen, Weilin Hou, Wei Qiao y Ming Han. "Fast-response fiber-optic anemometer with temperature self-compensation". Optics Express 23, n.º 10 (14 de mayo de 2015): 13562. http://dx.doi.org/10.1364/oe.23.013562.

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6

Pshenitsyn, A. A. "Self-compensation of high-temperature pipelines with elastic attachment". Russian Engineering Research 29, n.º 3 (marzo de 2009): 246–48. http://dx.doi.org/10.3103/s1068798x0903006x.

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7

Chen, Ke, Beilei Yang, Min Guo, Hong Deng, Bo Zhang, Shuai Liu, Chenyang Li, Ran An, Wei Peng y Qingxu Yu. "Fiber-optic photoacoustic gas sensor with temperature self-compensation". Optics Letters 45, n.º 8 (15 de abril de 2020): 2458. http://dx.doi.org/10.1364/ol.390898.

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8

Han, Ying, Yan Jun Wang y Shou Ren Wang. "The Research Status of Self-Compensation Lubricating Composites at High Temperature". Applied Mechanics and Materials 470 (diciembre de 2013): 108–11. http://dx.doi.org/10.4028/www.scientific.net/amm.470.108.

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It is significant and necessary to carry out the development of self-compensation lubricating composites. In this paper, the current research of self-lubrication composites is summarized. The lubrication mechanism of the high temperature self-compensation lubricating composites is introduced and the research progress of matrix material and lubricant material of the composites is reviewed.
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9

Hu, Pan, Xinglin Tong, Minli Zhao, Chengwei Deng, Qian Guo, Yan Mao y Kun Wang. "Study on high temperature Fabry–Perot fiber acoustic sensor with temperature self-compensation". Optical Engineering 54, n.º 9 (10 de septiembre de 2015): 097104. http://dx.doi.org/10.1117/1.oe.54.9.097104.

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10

YANG Liang, 杨亮, 苏岩 SU Yan, 裘安萍 QIU An-ping y 夏国明 XIA Guo-ming. "Self-temperature compensation for high quality factor micro-machined gyroscope". Optics and Precision Engineering 21, n.º 11 (2013): 2870–76. http://dx.doi.org/10.3788/ope.20132111.2870.

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11

Cai, Pengcheng, Xingyin Xiong, Kunfeng Wang, Liangbo Ma, Zheng Wang, Yunfei Liu y Xudong Zou. "A Novel Self-Temperature Compensation Method for Mode-Localized Accelerometers". Micromachines 13, n.º 3 (13 de marzo de 2022): 437. http://dx.doi.org/10.3390/mi13030437.

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Mode-localized sensing paradigms applied to accelerometers have recently become popular research subjects. However, the output of mode-localized accelerometers is influenced by environment temperature due to the difference in the thermal properties of the coupling resonators and the temperature dependence of coupling stiffness. To improve the performance of mode-localized accelerometers against temperature, we proposed an in situ self-temperature compensation method by utilizing the resonant frequency besides of amplitude ratios, which can be implied online. Experimental results showed that there were nearly 79-times and 87-times improvement in zeros bias and scale factor, respectively.
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12

Huang, Y. S. y M. S. Young. "An Accurate Ultrasonic Distance Measurement System with Self Temperature Compensation". Instrumentation Science & Technology 37, n.º 1 (7 de enero de 2009): 124–33. http://dx.doi.org/10.1080/10739140802584780.

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13

Yenuganti, Sujan, Chen Zhang y Haifeng Zhang. "Quartz Crystal Microbalance for viscosity measurement with temperature self-compensation". Mechatronics 59 (mayo de 2019): 189–98. http://dx.doi.org/10.1016/j.mechatronics.2019.04.005.

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14

Zhao, Hongxia, Feng Wang, Zhaojia Han, Peihong Cheng y Zhiqun Ding. "Research Advances on Fiber-Optic SPR Sensors with Temperature Self-Compensation". Sensors 23, n.º 2 (6 de enero de 2023): 644. http://dx.doi.org/10.3390/s23020644.

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The fiber-optic surface plasmon resonance sensor has very promising applications in environmental monitoring, biochemical sensing, and medical diagnosis, due to the superiority of high sensitivity and novel label-free microstructure. However, the influence of ambient temperature is inevitable in practical sensing applications, and even the higher the sensitivity, the greater the influence. Therefore, how to eliminate temperature interference in the sensing process has become one of the hot issues of this research field in recent years, and some accomplishments have been achieved. This paper mainly reviews the research results on temperature self-compensating fiber-optic surface plasmon sensors. Firstly, it introduces the mechanism of a temperature self-compensating fiber-optic surface plasmon resonance sensor. Then, the latest development of temperature self-compensated sensor is reviewed from the perspective of various fiber-optic sensing structures. Finally, this paper discusses the most recent applications and development prospects of temperature self-compensated fiber-optic surface plasmon resonance sensors.
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15

Yang, Xianchao, Yuhuai Liu, Fang Wang, Ying Lu y Jianquan Yao. "Temperature Self-Compensation Biosensor Based on LPG Concatenated With SNCS Structure". IEEE Sensors Journal 21, n.º 1 (1 de enero de 2021): 366–72. http://dx.doi.org/10.1109/jsen.2020.3014971.

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16

Takiguchi, Yu, Tomoko Otsu, Takashi Inoue y Haruyoshi Toyoda. "Self-distortion compensation of spatial light modulator under temperature-varying conditions". Optics Express 22, n.º 13 (23 de junio de 2014): 16087. http://dx.doi.org/10.1364/oe.22.016087.

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17

Khan, Mohd Mansoor, Nishtha Panwar y Ravi Dhawan. "Modified cantilever beam shaped FBG based accelerometer with self temperature compensation". Sensors and Actuators A: Physical 205 (enero de 2014): 79–85. http://dx.doi.org/10.1016/j.sna.2013.10.027.

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18

Ye, Rong Ke y Rong Bin Hu. "A Bandgap Reference with High Order Temperature Compensation". Advanced Materials Research 1049-1050 (octubre de 2014): 649–52. http://dx.doi.org/10.4028/www.scientific.net/amr.1049-1050.649.

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A kind of CMOS bandgap reference circuit with high order temperature compensation is introduced [1]. Compared to the traditional circuit, the bandgap reference proposed here has several advantages such as better temperature stability, smaller chip area, lower power consumption, self-power-on, and so on. Our design can be used in analog-to-digital or digital-to-analog converters, where high performance bandgap reference is required.
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19

Liu, Jili, Mingrui Fu, Chao Meng, Jianpeng Li, Kai Li, Jun Hu y Xiaojuan Chen. "Consideration of Thermo-Vacuum Stability of a MEMS Gyroscope for Space Applications". Sensors 20, n.º 24 (15 de diciembre de 2020): 7172. http://dx.doi.org/10.3390/s20247172.

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Thermo-vacuum stability of the aerospace gyroscopes is one of the crucial issues in the harsh and remote environment of space. This paper reports a bias drift compensation algorithm for the MEMS (microelectromechanical systems) gyroscope with atmosphere package. This approach takes advantage of linear frequency–temperature dependence and linear amplitude–pressure dependence for self-compensation of the gyroscope bias drifts in real-time. The dependences were analyzed and evaluated by subjecting the gyroscope to a thermo-vacuum condition. The real-time self-compensation yielded a total bias error of 0.01°/s over a temperature range of 7–45 °C. A MEMS rate sensor was flown in space and the on-orbit data also verify the effectiveness of the approach.
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20

Lee, Jaehoon, Changyeop Jeon, Taehyeong Jeon, Proloy Das, Yongho Lee, Byeonghwa Lim y CheolGi Kim. "Bridge Resistance Compensation for Noise Reduction in a Self-Balanced PHMR Sensor". Sensors 21, n.º 11 (21 de mayo de 2021): 3585. http://dx.doi.org/10.3390/s21113585.

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Advanced microelectromechanical system (MEMS) magnetic field sensor applications demand ultra-high detectivity down to the low magnetic fields. To enhance the detection limit of the magnetic sensor, a resistance compensator integrated self-balanced bridge type sensor was devised for low-frequency noise reduction in the frequency range of 0.5 Hz to 200 Hz. The self-balanced bridge sensor was a NiFe (10 nm)/IrMn (10 nm) bilayer structure in the framework of planar Hall magnetoresistance (PHMR) technology. The proposed resistance compensator integrated with a self-bridge sensor architecture presented a compact and cheaper alternative to marketable MEMS MR sensors, adjusting the offset voltage compensation at the wafer level, and led to substantial improvement in the sensor noise level. Moreover, the sensor noise components of electronic and magnetic origin were identified by measuring the sensor noise spectral density as a function of temperature and operating power. The lowest achievable noise in this device architecture was estimated at ~3.34 nV/Hz at 100 Hz.
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21

Klimkovich, B. V. "Influence of Random Error of Temperature Sensors on the Quality of Temperature Compensation of Fog Bias by the Neural Network". Giroskopiya i Navigatsiya 28, n.º 4 (2020): 53–70. http://dx.doi.org/10.17285/0869-7035.0049.

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The formulas are obtained for estimating the «random walk» type noise of algorithmic compensation for the gyro bias. An example of estimating the statistical significance of the factors influencing the bias when calibrating a fiber-optic gyroscope in the operating temperature range and at different rates of their change is given. It is shown that the random error of temperature sensors can play a major role in the “random walk” noise of the algorithmic compensation for the gyro bias and exceed the gyro self noise. An example of obtaining a regression dependence of algorithmic compensation for gyro bias using a neural network with a multilayer perceptron is given. The factors influencing the choice of the time constant of the differentiating low-frequency temperature filter are considered. Experimental dependences of the random error of the bias algorithmic compensation on the value of the random error of temperature sensors are presented and the necessity of using temperature sensors with a minimum random error is shown.
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22

Wang, Hongbo, Bin Ju, Wei Li y Zhihua Feng. "Ultrastable eddy current displacement sensor working in harsh temperature environments with comprehensive self-temperature compensation". Sensors and Actuators A: Physical 211 (mayo de 2014): 98–104. http://dx.doi.org/10.1016/j.sna.2014.03.008.

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23

Wang, Qi, Ju-Xin Jiang, Lei Wang, Xiang-Yu Yin, Xin Yan, Aisong Zhu, Fengmei Qiu y Ke-Ke Zhang. "An asymmetric grating refractive index sensor generating quasi-bound states in the continuum with high figure of merit and temperature self-compensation". Journal of Physics D: Applied Physics 55, n.º 15 (20 de enero de 2022): 155103. http://dx.doi.org/10.1088/1361-6463/ac47c1.

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Abstract A subwavelength asymmetric grating refractive index (RI) sensor based on quasi-bound states in the continuum (q-BIC) with temperature self-compensation was proposed. The sensor structure consisted of a prism/asymmetric grating/analytes, where the grating layers were periodically arranged asymmetric silicon (Si) and polydimethylsiloxane. The asymmetry of the structure led to the fact that the tangential field component and the radiative field component in the grating layer were no longer in a fully decoupled state at the resonance position, creating two extremely narrow q-BIC resonance peaks, which gave the sensor a high figure of merit (FOM) and a low detection limit (DL). In addition, the thermo-optical coefficient of the materials made one of the resonance peaks more sensitive to temperature changes, realizing the temperature self-compensation of RI detection and thus improving the detection accuracy. From the results, reducing the asymmetry of the structure by modifying the parameters could theoretically make FOM > 5.1 × 106 RIU−1 and DL < 9.8 × 10−9 RIU. For the RI sensor with temperature self-compensation, FOM = 3057.85 RIU−1 and DL = 1.64 × 10−5 RIU for the RI, FOM = 0.88 °C−1 and DL = 0.057 °C for the temperature. These findings could effectively improve the temperature interference resistance of the sensor and thus the accuracy of trace substance detection.
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24

LIANG, LIANG, ZHANGMING ZHU y YINTANG YANG. "A VERY LOW-TC SECOND-ORDER TEMPERATURE-COMPENSATED CMOS CURRENT REFERENCE". Journal of Circuits, Systems and Computers 23, n.º 03 (marzo de 2014): 1450042. http://dx.doi.org/10.1142/s021812661450042x.

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This paper proposes a novel second-order temperature-compensated CMOS current reference which exploits a new self-biased current source for first-order temperature compensation and a resistor-free widlar current mirror for second-order temperature compensation. Moreover, by deriving the temperature coefficient (TC) of the reference current, the temperature compensation condition equations together with a design method of minimizing the thermal drift in a required temperature range are presented. Based on these, the circuit is designed in a standard 0.18 μm CMOS process and achieves a very low TC of only 16.9 ppm/°C in a temperature range between -40°C and 120°C, with 1 μA reference current at 27°C. Besides, the current reference can operate at supply voltage down to 1.3 V, with a good supply regulation of 0.5%/V. At 27°C, its power consumption is 8.93 μW.
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25

Song, Yang, Liwei Hua, Jincheng Lei, Qi Zhang, Jie Liu, Lingyun Ye y Hai Xiao. "An IFPI Temperature Sensor Fabricated in an Unstriped Optical Fiber with Self-Strain-Compensation Function". Journal of Sensors 2016 (2016): 1–7. http://dx.doi.org/10.1155/2016/6419623.

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This paper describes an intrinsic Fabry-Perot interferometer (IFPI) temperature sensor with self-strain-compensation function. The sensor was fabricated on a buffer-intact optical fiber using a femtosecond (fs) laser system. The use of fs laser allows the sensor to be fabricated in an optical fiber without the necessity of removing the polymer buffer coating, thus not compromising its mechanical property. The sensor is composed of two cascaded IFPIs in different cavity length of 100 μm and 500 μm, respectively. The shorter IFPI serves as the temperature sensor, while the second IFPI serves as a compensation sensor, which is used to decouple the strain from the raw signal collected by the shorter FPI. The reflection spectrum of sensor, containing both sensory information and compensation information, is collected in wavelength domain and demultiplexed in the Fourier domain of reflection spectrum. An algorithm was developed and successfully implemented to compensate the strain influence on the proposed temperature sensor. The results showed that the proposed sensor structure holds a constant temperature sensitivity of 11.33 pm/°C when strained differently.
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26

Wu, Yue, Tian Tian, Yin Wu, Yu Yang, Yunfei Zhang y Ximing Qin. "Systematic Studies of the Circadian Clock Genes Impact on Temperature Compensation and Cell Proliferation Using CRISPR Tools". Biology 10, n.º 11 (18 de noviembre de 2021): 1204. http://dx.doi.org/10.3390/biology10111204.

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Mammalian circadian genes are capable of producing a self-sustained, autonomous oscillation whose period is around 24 h. One of the major characteristics of the circadian clock is temperature compensation. However, the mechanism underlying temperature compensation remains elusive. Previous studies indicate that a single clock gene may determine the temperature compensation in several model organisms. In order to understand the influence of each individual clock gene on the temperature compensation, twenty-three well-known mammalian clock genes plus Timeless and Myc genes were knocked out individually, using a powerful gene-editing tool, CRISPR/Cas9. First, Bmal1, Cry1, and Cry2 were knocked out as examples to verify that deleting genes by CRISPR is effective and precise. Cell lines targeting twenty-two genes were successfully edited in mouse fibroblast NIH3T3 cells, and off-target analysis indicated these genes were correctly knocked out. Through measuring the luciferase reporters, the circadian periods of each cell line were recorded under two different temperatures, 32.5 °C and 37 °C. The temperature compensation coefficient Q10 was subsequently calculated for each cell line. Estimations of the Q10 of these cell lines showed that none of the individual cell lines can adversely affect the temperature compensation. Cells with a longer period at lower temperature tend to have a shorter period at higher temperature, while cells with a shorter period at lower temperature tend to be longer at higher temperature. Thus, the temperature compensation is a fundamental property to keep cellular homeostasis. We further conclude that the temperature compensation is a complex gene regulation system instead of being regulated by any single gene. We also estimated the proliferation rates of these cell lines. After systematically comparing the proliferation rates and circadian periods, we found that the cell growth rate is not dependent on the circadian period.
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27

Prikhodko, Igor P., Alexander A. Trusov y Andrei M. Shkel. "Compensation of drifts in high-Q MEMS gyroscopes using temperature self-sensing". Sensors and Actuators A: Physical 201 (octubre de 2013): 517–24. http://dx.doi.org/10.1016/j.sna.2012.12.024.

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28

Wang, Hongbo y Zhihua Feng. "Ultrastable and highly sensitive eddy current displacement sensor using self-temperature compensation". Sensors and Actuators A: Physical 203 (diciembre de 2013): 362–68. http://dx.doi.org/10.1016/j.sna.2013.09.016.

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29

Pecherskaya, E. A., S. A. Gurin y M. D. Novichkov. "Combined Thin-Film Resistive and Strain-Resistant Structures with Temperature Self-Compensation". Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques 16, n.º 6 (diciembre de 2022): 1074–80. http://dx.doi.org/10.1134/s1027451022060209.

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30

Islam, Mohammad, Ran Wei, Jaesung Lee, Yong Xie, Soumyajit Mandal y Philip Feng. "A Temperature-Compensated Single-Crystal Silicon-on-Insulator (SOI) MEMS Oscillator with a CMOS Amplifier Chip". Micromachines 9, n.º 11 (29 de octubre de 2018): 559. http://dx.doi.org/10.3390/mi9110559.

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Self-sustained feedback oscillators referenced to MEMS/NEMS resonators have the potential for a wide range of applications in timing and sensing systems. In this paper, we describe a real-time temperature compensation approach to improving the long-term stability of such MEMS-referenced oscillators. This approach is implemented on a ~26.80 kHz self-sustained MEMS oscillator that integrates the fundamental in-plane mode resonance of a single-crystal silicon-on-insulator (SOI) resonator with a programmable and reconfigurable single-chip CMOS sustaining amplifier. Temperature compensation using a linear equation fit and look-up table (LUT) is used to obtain the near-zero closed-loop temperature coefficient of frequency (TCf) at around room temperature (~25 °C). When subject to small temperature fluctuations in an indoor environment, the temperature-compensated oscillator shows a >2-fold improvement in Allan deviation over the uncompensated counterpart on relatively long time scales (averaging time τ > 10,000 s), as well as overall enhanced stability throughout the averaging time range from τ = 1 to 20,000 s. The proposed temperature compensation algorithm has low computational complexity and memory requirement, making it suitable for implementation on energy-constrained platforms such as Internet of Things (IoT) sensor nodes.
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31

Chughtai, M. T. "Circuit Design for Thermal Compensation of Avalanche Photodiode". Engineering, Technology & Applied Science Research 9, n.º 1 (16 de febrero de 2019): 3774–77. http://dx.doi.org/10.48084/etasr.2475.

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It has been observed that the breakdown voltage of the avalanche photodiode (APD) changes with the change in the ambient temperature. This situation may result in a poorer signal to noise ratio and sometimes to permanent damage to the APD. In order to overcome these problems, various considerations may be taken into account, including maintaining the temperature of the APD permanently or the design of a bias system, which would be self-adjusting according to any changes in the temperature. The latter technique was adopted and the design of a bias supply is presented in this article.
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32

Yuan, Mei, Si Si Xiong y Shao Peng Dong. "Design of Self-Compensated High Accuracy Fuel Level Sensor". Applied Mechanics and Materials 281 (enero de 2013): 23–27. http://dx.doi.org/10.4028/www.scientific.net/amm.281.23.

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A brand new self-compensated capacitive fuel level sensor has been proposed in this paper. Through mathematics manipulation and theoretical analysis, we design the self-compensated structure of capacitive level sensor. The multiple segmentation structure makes compensation for temperature and medium possible. Furthermore, the effect caused by adhesion on the sensor electrodes if the adhesion fails to return initial position when the plane’s attitude is changing has been analyzed. Additionally, based on RF admittance theory, the transducer which can eliminate the adhesion effect has been designed and implemented using phase-locked sampling technique. Through level experiment and data analysis, the fuel level sensor proved to achieve all the destinations, including compensation for temperature and medium and elimination of adhesion effect. Hence, the accuracy of level measurement has been improved.
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33

Ramalingame, Rajarajan, Jose Roberto Bautista-Quijano, Danrlei de Farias Alves y Olfa Kanoun. "Temperature Self-Compensated Strain Sensors based on MWCNT-Graphene Hybrid Nanocomposite". Journal of Composites Science 3, n.º 4 (7 de noviembre de 2019): 96. http://dx.doi.org/10.3390/jcs3040096.

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Sensors based on carbon nanomaterials are gaining importance due to their tunable properties and their potentially outstanding sensing performance. Despite their advantages, carbon-based nanomaterial sensors are prone to cross-sensitivities with environmental factors like temperature. Thus, to reduce the temperature influence on the sensing material, compensation and correction procedures are usually considered. These methods may require the use of additional sensors which can themselves be subject to residual errors. Hence, a more promising approach consists of synthesizing a material that is capable of self-compensating for the influence of temperature. In this study, a hybrid nanocomposite based on multi-walled carbon nanotubes (MWCNT) and graphene is proposed, which can compensate, by itself, for the influence of temperature on the material conductivity. The hybrid nanocomposite material uses the different temperature behavior of MWCNTs, which have a negative temperature coefficient, and graphene, which has a positive temperature coefficient. The influence of the material ratio and dispersion quality are investigated in this work. Material composition and dispersion quality are analyzed using Raman spectroscopy and scanning electron microscopy (SEM). A composition of 70% graphene and 30% MWCNT exhibits a nearly temperature-independent hybrid nanocomposite with a sensitivity of 0.022 Ω/°C, corresponding to a resistance change of ~1.2 Ω for a temperature range of 25 to 80 °C. Additionally, a simple investigation of the strain sensing behavior of the hybrid material is also presented. The hybrid nanocomposite-based, thin-film strain sensor exhibits good stability over 100 cycles and a significantly high gauge factor, i.e., 16.21.
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34

Zhu, Weitao, Guangkai Sun, Yanlin He, Wei Zhuang, Kangpeng Zhou y Wenjing Zhai. "Shape reconstruction based on a multicore optical fiber array with temperature self-compensation". Applied Optics 60, n.º 20 (6 de julio de 2021): 5795. http://dx.doi.org/10.1364/ao.417587.

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35

Li, Zhaojun, Liangtao Hou, Lingling Ran, Jing Kang y Jiuru Yang. "Ultra-Sensitive Fiber Refractive Index Sensor with Intensity Modulation and Self-Temperature Compensation". Sensors 19, n.º 18 (4 de septiembre de 2019): 3820. http://dx.doi.org/10.3390/s19183820.

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In this paper, a novel in-line modal interferometer for refractive index (RI) sensing is proposed and experimentally fabricated by cascading single-taper and multimode-double- cladding-multimode (MDM) fiber structure. Owing to evanescent field in taper area, the ultra-sensitive and linear intensity-responses to the varied surrounding RI are gained in both single- and double-pass structures. Moreover, the crosstalk from temperature can be effectively discriminated and compensated by means of the RI-free nature of MDM. The experimental results show that the RI sensitivities in single- and double-pass structures, respectively, reach 516.02 and 965.46 dB/RIU (RIU: refractive index unit), both with the slight wavelength shift (~0.2 nm). The temperature responses with respect to wavelength and intensity are 68.9 pm°C−1/0.103 dB°C−1 (single-pass structure) and 103 pm°C−1/0.082 dB·°C−1 (double-pass structure). So the calculated cross-sensitivity of intensity is constrained within 8.49 × 10−5 RIU/°C. In addition, our sensor presents high measurement-stability (~0.99) and low repeatability error (<4.8‰). On account of the ~620 μm size of taper, this compact sensor is cost-efficient, easy to fabricate, and very promising for the applications of biochemistry and biomedicine.
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36

Ma, Tian-Bing, Bao-Wei Zi, Yong-Cun Guo, Liu-Yi Ling, You-Rui Huang y Xiao-Fen Jia. "Distributed optical fiber temperature sensor based on self-compensation of fitting attenuation difference". Acta Physica Sinica 69, n.º 3 (2020): 030701. http://dx.doi.org/10.7498/aps.69.20191456.

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37

Shi, Jia, Yuye Wang, Degang Xu, Tiegen Liu, Wei Xu, Chao Zhang, Chao Yan et al. "Temperature Self-Compensation High-Resolution Refractive Index Sensor Based on Fiber Ring Laser". IEEE Photonics Technology Letters 29, n.º 20 (15 de octubre de 2017): 1743–46. http://dx.doi.org/10.1109/lpt.2017.2751753.

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38

Zhao, Yunkun, Youze Chen, Junfeng Zhou, Yuanyang Zhao, Desheng Zhu, Yourui Tu, Benli Yu y Liang Lu. "A new fiber self-mixing temperature sensor with phase compensation for harmonic vibrations". Optical Fiber Technology 59 (octubre de 2020): 102336. http://dx.doi.org/10.1016/j.yofte.2020.102336.

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39

Nakagomi, Shinji, Tsubasa Sai y Yoshihiro Kokubun. "Hydrogen gas sensor with self temperature compensation based on β-Ga2O3 thin film". Sensors and Actuators B: Chemical 187 (octubre de 2013): 413–19. http://dx.doi.org/10.1016/j.snb.2013.01.020.

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40

Rayanasukha, Sirajit, Armote Somboonkaew, Sarun Sumriddetchkajorn, Kosom Chaitavon, Sataporn Chanhorm, Bunpot Saekow y Supanit Porntheeraphat. "Self-Compensation for the Influence of Working Distance and Ambient Temperature on Thermal Imaging-Based Temperature Measurement". IEEE Transactions on Instrumentation and Measurement 70 (2021): 1–6. http://dx.doi.org/10.1109/tim.2021.3103242.

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41

Chakraborty, Arup Lal, Rakesh Kumar Sharma, Manoj Kumar Saxena y Sanjay Kher. "Compensation for temperature dependence of Stokes signal and dynamic self-calibration of a Raman distributed temperature sensor". Optics Communications 274, n.º 2 (junio de 2007): 396–402. http://dx.doi.org/10.1016/j.optcom.2007.02.028.

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42

Liu, Hai Yang, Dong Zhao, Lian Jiang Sun y Meng Zhang. "Analysis of Damping Force Changing with Temperature for Self-Feedback-Friction Damper". Applied Mechanics and Materials 423-426 (septiembre de 2013): 1567–70. http://dx.doi.org/10.4028/www.scientific.net/amm.423-426.1567.

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The self-feedback-friction damper can adjust damping force according to the intensity of vibration. Damper will produce suitable damping force to achieve the purpose of damping energy consumption. At the same time, the damper may also produce a large amount of heat which can greatly affect the damper's energy consumption performance. A temperature compensation system is designed to solve the problem in the article. Structure temperature field is also worked out by finite element analysis to find out the effect of temperature on the damping force.
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43

Zhou, Shichao, Haibin Zhu, Qinwei Ma y Shaopeng Ma. "Mechanism and Compensation of Measurement Error Induced by Thermal Deformation of Digital Camera in Photo Mechanics". Applied Sciences 10, n.º 10 (15 de mayo de 2020): 3422. http://dx.doi.org/10.3390/app10103422.

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A thermal-induced measurement error induced by thermal deformation of digital camera in photo mechanics methods that has the same magnitude of the error as that in the resistance strain measurement method reduces the accuracy of high-precision measurement substantially and must, therefore, be compensated. Starting from the underlying mechanism of a thermal-induced measurement error, we investigated the image error introduced by thermal behaviours of digital cameras widely used in photo mechanics. We experimentally determined the relationships between the thermal behaviours and temperature, derived the relationship between the image error and measurement error of photo mechanics methods, and eventually established a physical model to explain the underlying relationship between the thermal-induced measurement error and temperature. Furthermore, based on the investigation of the underlying mechanism, we introduced three types of temperature compensation methods for photo mechanics, namely the model compensation method, the preheating method, and the compensation specimen method. We experimentally demonstrated the feasibility of these compensation methods. The model compensation method only needs the data regarding the environmental temperature during operation of the digital camera to implement the correction of the measurement results and enhance the measurement accuracy of photo mechanics methods. The preheating method is suitable for indoor photo mechanics measurements wherein the environmental temperature is almost constant, which ensures that the appearance of thermal balance of the digital camera after a period of self-heating. The compensation specimen method reduces the effective resolution of the images and it also requires that the image error forms in the region of tested specimen are the same as that in the region of the compensation specimen.
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44

Jia Lei, 贾磊, 葛益娴 Ge Yixian, 芮菲 Rui Fei, 王婷婷 Wang Tingting y 倪海彬 Ni Haibin. "温度自补偿的级联式光纤表面等离子体共振折射率传感器". Acta Optica Sinica 43, n.º 13 (2023): 1306002. http://dx.doi.org/10.3788/aos230467.

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45

Qiu, Huacheng, Fu Min, Yanguang Yang, Zengling Ran y Jinxin Duan. "Hypersonic Aerodynamic Force Balance Using Micromachined All-Fiber Fabry–Pérot Interferometric Strain Gauges". Micromachines 10, n.º 5 (11 de mayo de 2019): 316. http://dx.doi.org/10.3390/mi10050316.

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This paper presents high-sensitivity, micromachined all-fiber Fabry–Pérot interferometric (FFPI) strain gauges and their integration in a force balance for hypersonic aerodynamic measurements. The FFPI strain gauge has a short Fabry–Pérot cavity fabricated using an excimer laser etching process, and the deformation of the cavity is detected by a white-light optical phase demodulator. A three-component force balance, using the proposed FFPI gauges as sensing elements, was fabricated, calibrated, and experimentally evaluated. To reduce thermal output of the balance, a simple and effective self-temperature compensation solution, without external temperature sensors, is proposed and examined through both oven heating and wind tunnel runs. As a result of this approach, researchers are able to use the balance continuously throughout a wide range of temperatures. During preliminary testing in a hypersonic wind tunnel with a free stream Mach number of 12, the measurement accuracies of the balance were clearly improved after applying the temperature self-compensation.
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46

Zuev, Andrey, Andrey Ivashko y Denis Lunin. "METHODS OF COMPENSATION OF MICROBOLOMETER MATRIСES SELF-HEATING IN THE PROCESSING OF THERMAL IMAGES". Advanced Information Systems 6, n.º 2 (14 de julio de 2022): 67–73. http://dx.doi.org/10.20998/2522-9052.2022.2.11.

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The sources of noise and artifacts arising during thermal imaging and the methods for thermal images filtering, including methods specific for processing of images generated by infrared sensors, are considered. In particular, distortions caused by the process of microbolometrer matrices self-heating due to internal and external heating sources and the methods for compensating such distortions are studied. The purpose of the study is to create a mathematical model of a bolometric matrix self-heating based on heat transfer equations and to develop an algorithm for suppressing of distortions introduced into thermal images by self-heating. The exponential models describing the propagation of heat in the microbolometer matrix are proposed and it is shown that the coefficients of the models after logarithming can be determined by the least squares method. For real thermal images, the coefficients of the model are determined, and situations are considered when the base temperature of the object is known and when it is necessary to restore it, and modifications of the exponential model in the form of an exponent from a complete and incomplete square are proposed. Computer simulation of the proposed distortion compensation algorithm has been carried out, a set of thermal images before and after processing has been presented, and a quantitative estimation of the degree of noise suppression caused by heating of bolometric arrays has been obtained. Based on the results of the work, it was determined that the exponential model provides a sufficient degree of closeness of the experimental and theoretically predicted temperature data, and the degree of difference between the data and the model was estimated. Recommendations are developed for the application of the proposed methods at known and unknown base temperature of the matrix. Proposals have been developed for further improving the mathematical model, including the situation of temperature changes over time, and for improving the efficiency of self-heating noise suppression algorithms.
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47

Li, Hongli, Gang Xu, Xin Gui y Lei Liang. "A Double FBGs Temperature Self-Compensating Displacement Sensor and Its Application in Subway Monitoring". Materials 15, n.º 19 (1 de octubre de 2022): 6831. http://dx.doi.org/10.3390/ma15196831.

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In order to ensure the effective vibration–reduction and vibration–isolation of the steel spring floating plate rail and meet the safe operation requirements of the subway, a Fiber Bragg Grating (FBG) displacement sensor for the deformation monitoring of the subway floating plate is proposed. The sensor adopts double FBGs to realize temperature self-compensation. The elastic ring is used as the elastic conversion structure after the fiber grating is pre-stretched; the two ends are pasted and fixed in the groove in the diameter direction of the ring, which avoids the waveform distortion caused by the full pasting of the fiber grating. The combination of linear bearing and displacement probe rods can increase stability and reduce friction loss so that the sensor has the advantages of high sensitivity and accurate measurement results. The test results and error analysis show that in the range of 0~20 mm, the sensitivity of the sensor is 164.2 pm/mm, the accuracy reaches 0.09% F.S, and the repeatability error and hysteresis error are only 1.86% and 0.99%, respectively. The thermal displacement coupling experiment proves that the sensor has good temperature self-compensation performance. It provides a new technical scheme for the effective monitoring and condition assessment of the built-in steel spring floating plate rail.
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48

Hu, Jie, Qiu Ping Zhu, Min Li Zhao, Zhuo Yan Leng, Ting Cai, Kun Wang y Jia Yu Liu. "Fiber Bragg Grating Sensor for the Research of Water Level Measurement". Advanced Materials Research 823 (octubre de 2013): 349–53. http://dx.doi.org/10.4028/www.scientific.net/amr.823.349.

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In hydraulic engineering, hydrology and water conservancy departments focus on the water level measurements of reservoir. Water level sensor is very important to water level measurements of reservoir. This paper designs a water level sensor which is combined with elastomeric membrane and fiber grating, to eliminate the impact of temperature on the sensor through the use of self-compensating fiber grating and structural technology. The measurement of the water level sensor in the range of 0-5m tests the characteristics of the sensor and concludes the experimental curves of wavelength drift caused by water level after temperature compensation. Experimental results show that the performance of the sensor is good, that the accuracy is 0.5%, and that the resolution is 1cm and linearity is 0.999. Keywords: water level monitoring, fiber grating, sensing measurements
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49

Wang Yonghong, 王永洪, 张明义 Zhang Mingyi, 张春巍 Zhang Chunwei, 白晓宇 Bai Xiaoyu y 桑松魁 Sang Songkui. "Strain Sensing Measurement Technology for Fiber Bragg Grating with Holder Type Temperature Self-Compensation". Laser & Optoelectronics Progress 55, n.º 5 (2018): 050605. http://dx.doi.org/10.3788/lop55.050605.

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50

Lu, Da-Yong, Xiang-Lu Gao y Shan Wang. "Abnormal Curie-temperature shift in Ho-doped BaTiO3 ceramics with the self-compensation mode". Results in Physics 12 (marzo de 2019): 585–91. http://dx.doi.org/10.1016/j.rinp.2018.11.094.

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