Gotowe bibliografie tematyczne / Self-temperature Compensation

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Gotowa bibliografia na temat „Self-temperature Compensation”

Autor: Grafiati

Data publikacji: 6 września 2023

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Artykuły w czasopismach na temat "Self-temperature Compensation"

Shi, Ran, Jian Zhao, An Ping Qiu i Guo Ming Xia. "Temperature Self-Compensation of Micromechanical Silicon Resonant Accelerometer". Applied Mechanics and Materials 373-375 (sierpień 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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Tao, Wang, He Dawei, Wang Ziqian i Wang Yongsheng. "A novel temperature self-compensation FBG vibration sensor". Journal of Physics: Conference Series 276 (1.02.2011): 012146. http://dx.doi.org/10.1088/1742-6596/276/1/012146.

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Du, Qing Fu. "Temperature Measurement with High Accuracy". Advanced Materials Research 301-303 (lipiec 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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Li, Yinan, Junbo Wang, Zhenyu Luo, Deyong Chen i Jian Chen. "A Resonant Pressure Microsensor Capable of Self-Temperature Compensation". Sensors 15, nr 5 (29.04.2015): 10048–58. http://dx.doi.org/10.3390/s150510048.

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Liu, Guigen, Weilin Hou, Wei Qiao i Ming Han. "Fast-response fiber-optic anemometer with temperature self-compensation". Optics Express 23, nr 10 (14.05.2015): 13562. http://dx.doi.org/10.1364/oe.23.013562.

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

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Chen, Ke, Beilei Yang, Min Guo, Hong Deng, Bo Zhang, Shuai Liu, Chenyang Li, Ran An, Wei Peng i Qingxu Yu. "Fiber-optic photoacoustic gas sensor with temperature self-compensation". Optics Letters 45, nr 8 (15.04.2020): 2458. http://dx.doi.org/10.1364/ol.390898.

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Han, Ying, Yan Jun Wang i Shou Ren Wang. "The Research Status of Self-Compensation Lubricating Composites at High Temperature". Applied Mechanics and Materials 470 (grudzień 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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Hu, Pan, Xinglin Tong, Minli Zhao, Chengwei Deng, Qian Guo, Yan Mao i Kun Wang. "Study on high temperature Fabry–Perot fiber acoustic sensor with temperature self-compensation". Optical Engineering 54, nr 9 (10.09.2015): 097104. http://dx.doi.org/10.1117/1.oe.54.9.097104.

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

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Rozprawy doktorskie na temat "Self-temperature Compensation"

Mavlonov, Abdurashid, Steffen Richter, Wenckstern Holger von, Rüdiger Schmidt-Grund, Michael Lorenz i Marius Grundmann. "Temperature dependent self-compensation in Al- and Ga-doped Mg0.05 Zn0.95O thin films grown by pulsed laser deposition". American Institute of Physics, 2016. https://ul.qucosa.de/id/qucosa%3A31212.

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We studied the doping efficiency of Al and Ga dopants in (Mg,Zn)O alloys as a function of the growth temperature and post growth annealing times. High-temperature growth results in the highest structural quality and highest electron mobility; the doping efficiency is limited by the dopant’s solubility. It was investigated in detail that a low growth temperature is needed to achieve free carrier densities above the solubility limit of the dopants. Samples grown at temperatures of 300 °C and below have a free carrier density significantly above the solubility limit yielding the minimum resistivity of ρmin=4.8×10−4 Ω cm for Mg0.05Zn0.95O: Al thin films grown on glass at 300 °C. Annealing of these samples reduces the free carrier density and the absorption edge to values similar to those of samples grown at high temperatures. The saturation of the free carrier density and the optical bandgap at their high temperature growth/annealing values is explained by the thermal creation of acceptor-like compensating defects in thermodynamic equilibrium.

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Zhang, Yan. "Miniature fiber-optic multicavity Fabry-Perot interferometric biosensor". Diss., Virginia Tech, 2005. http://hdl.handle.net/10919/30104.

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Fiber-optic Fabry-Perot interferometric (FFPI) sensors have been widely used due to their high sensitivity, ease of fabrication, miniature size, and capability for multiplexing. However, direct measurement of self-assembled thin films, receptor immobilization process or biological reaction is limited in the FFPI technique due to the difficulty of forming Fabry-Perot cavities by the thin film itself. Novel methods are needed to provide an accurate and reliable measurement for monitoring the thin-film growth in the nanometer range and under various conditions. In this work, two types of fiber-optic multicavity Fabry-Perot interferometric (MFPI) sensors with built-in temperature compensation were designed and fabricated for thin-film measurement, with applications in chemical and biological sensing. Both the tubing-based MFPI sensor and microgap MFPI sensor provide simple, yet high performance solutions for thin-film sensing. The temperature dependence of the sensing cavity is compensated by extracting the temperature information from a second multiplexed cavity. This provides the opportunity to examine the thin-film characteristics under different environment temperatures. To demonstrate the potential of this structure for practical applications, immunosensors were fabricated and tested using these structures. Self-assembled polyelectrolytes served as a precursor film for immobilization of antibodies to ensure they retain their biological activity. This not only provides a convenient method for protein immobilization but also presents the possibility of increasing the binding capacity and sensitivity by incorporating multilayers of antibodies into polyelectrolyte layers. The steady-state measurement demonstrated the surface concentration and binding ratio of the immunoreaction. Analysis of the kinetic binding profile provided a fast and effective way to measure antigen concentration. Monitoring the immunoreaction between commercially available immunoglobulin G (IgG) and anti-IgG demonstrated the feasibility of using the MFPI sensing system for immunosensing applications.
Ph. D.

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Samarao, Ashwin Kumar. "Compensation and trimming for silicon micromechanical resonators and resonator arrays for timing and spectral processing". Diss., Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/39543.

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This dissertation reports very novel solutions for the trimming and compensation of various parameters of silicon micromechanical resonators and resonator-arrays. Post-fabrication trimming of resonance frequency to a target value is facilitated by diffusing in a deposited thin metal layer into a Joule-heated silicon resonator. Up to ~400 kHz of trimming-up and trimming-down in a 100 MHz Silicon Bulk Acoustic Resonators (SiBARs) are demonstrated via gold and aluminum diffusion respectively. The dependence of the trimming range on the duration of Joule heating and value of current passed are presented and the possibility of extending the trimming range up to ~4 MHz is demonstrated. Passive temperature compensation techniques are developed to drastically reduce the temperature coefficient of frequency (TCF) of silicon resonators. The dependence of TCF on the charge carriers in silicon are extensively studied and exploited for the very first time to achieve temperature compensation. A charge surplus via degenerate doping using boron and aluminum is shown to reduce a starting TCF of -30 ppm/°C to -1.5 ppm/°C while a charge depletion effected by creating multiple pn-junctions reduces the TCF to -3 ppm/°C. Further, shear acoustic waves in silicon microresonators have also been identified to effect a TCF reduction and have been excited in a concave SiBAR (or CBAR) to exhibit a TCF that is 15 ppm/°C lesser than that of a conventional rectangular SiBAR. The study on quality factor (Q) sensitivity to the various crystallographic axis of transduction in silicon resonators show that the non-repeatability of Q across various fabrication batches are due to the minor angular misalignment of ≤ 0.5° during the photolithography processes. Preferred axes of transduction for minimal misalignment sensitivity are identified and novel low-loss resonator-array type performances are also reported from a single resonator while transduced along certain specific crystallographic axes. Details are presented on an unprecedented new technique to create and fill charge traps on the silicon resonator which allows the operation of the capacitive SiBARs without the application of any polarization voltages (Vp) for the first time, making them very attractive candidates for ultra-low-power oscillator and sensor applications. Finally, a fabrication process that integrates both the capacitive and piezoelectric actuation/sensing schemes in microresonators is developed and is shown to compensate for the parasitics in capacitive silicon resonators while maintaining their high-Q.

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Huang, Yi-Shing, i 黃譯興. "An Ultrasonic Temperature and Distance Measurement System with Self Interference and Self Temperature Compensation Techniques". Thesis, 2009. http://ndltd.ncl.edu.tw/handle/48522916729521994997.

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博士
國立成功大學
電機工程學系碩博士班
97
This dissertation proposes a time-of-flight (TOF) measurement by employing a piezoelectric and converse piezoelectric produced self-interference ultrasonic wave. When using TOF techniques for ultrasonic temperature and distance measurement, the system error is primarily due to the inertia delay phenomenon of machine vibration. This dissertation proposes a novel driving algorithm for an ultrasonic transmitter. The first study proposes an accurate temperature measurement is derived from the measurement of sound velocity by using an ultrasonic time-of-flight (TOF) technique. The study proposes a novel algorithm which combines both amplitude modulation (AM) and phase modulation (PM) for the TOF measurement. The proposed system can reduce error caused by inertia delay when using the AM and PM envelope square waveform (APESW). The APESW ultrasonic driving waveform causes an envelope zero and phase inversion phenomenon in the relative waveform of the receiver. To accurately achieve a TOF measurement, a phase inversion phenomenon was used to sufficiently identify the measurement pulse in the received waveforms. Additionally, a counter clock technique was combined to compute the phase shifts of the last incomplete cycle for TOF. The presented system can obtain 0.1 % TOF resolution for the period corresponding to the 40 kHz frequency ultrasonic wave. Consequently, with the integration of a humidity compensation algorithm, a highly accurate and high resolution temperature measurement can be achieved using the accurate TOF measurement. Experimental results indicate that the combined standard uncertainty of the temperature measurement is approximately 0.39 ℃. The second study proposes an accurate distance measurement system which has self-temperature-compensation (STC) with the environmental average temperature in space, rather than a single point temperature. The proposed system adopts two identical measurement hardware sets using the APESW ultrasonic driving waveform. The first set measures the sound velocity (the environmental average temperature information is also involved) as the result of the temperature compensation data for the second distance measuring set. Without using a temperature sensor, experimental results indicate that the proposed STC distance measurement system can accurately measure the distance. The experimental standard deviation of the linearity with respect to the distance is found to be 0.21 mm at a range of 50 to 500 mm. Moreover, the proposed system’s temperature uncertainty effect produced a standard deviation of 0.093 mm, while the temperature sensor system’s uncertainty effect produced a standard deviation of 0.68 mm. In addition, the proposed driving algorithm benefits from noise resistance and ease of implementation. The algorithm is simple and can be easily adapted for other micro-processors. The main advantages of this AM and PM envelope square waveform (APESW) system are high resolution measurement, low cost, narrow bandwidth requirement, and ease of implementation.

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Parida, Om Prakash. "Design, Development and Validation of High Performance Fiber Bragg Grating Accelerometers". Thesis Full text, 2020. https://etd.iisc.ac.in/handle/2005/4709.

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Fiber Bragg grating (FBG) accelerometers have attracted the attention of researchers as an efficient and attractive alternative to conventional electrical accelerometers. They exploit the remarkable sensing capabilities of the FBG in combination with varieties of novel mechanical sensor heads. The FBG is an intrinsic optical sensor, which provides the measurand information in the wavelength-encoded format. The FBG accelerometers are light, compact, less noisy, highly sensitive, immune to electromagnetic interference, capable of sensing efficiently in harsh environments, and fit to carry out distributed sensing. These unique and promising characteristics have generated a lot of interest in exploring the use of FBG accelerometers in various fields of science and technology. Though various types of FBG accelerometers are proposed by different researchers to achieve specific characteristics, there is a need to realize high-performance FBG accelerometers, which have high in-axis sensitivity, low cross-axis sensitivity, self-temperature compensation capability, high linearity, reasonably good bandwidth, and wide dynamic range. To achieve the above objectives, three novel configurations i.e. Modular Double-L Cantilever, Monolithic T-Cantilever and Composite Triangular Cantilever based FBG accelerometers are evolved. Mathematical models and designs are analyzed through numerical simulations using MATLAB and finite element method (FEM) simulations using ANSYS. Precise fabrication sequences are adopted for realizing the mechanical sensors heads (MSH) and the FBGs. The FBGs are carefully integrated with the MSHs in optical differential sensing configuration to realize the novel FBG accelerometer prototypes. The accelerometers are characterized for their static, dynamic, and temperature characteristics. Close matching of the experimental results with the theoretical predictions proved the concepts and validated the designs. For the double-L cantilever based FBG accelerometer (DLC-FBGA), sensitivity of 406 pm/g with linearity of 99.8% over full-scale range of ± 6 g, cross-axis sensitivity of 0.5% of in-axis sensitivity, natural frequency of 86 Hz with a usable bandwidth of 5-50 Hz, and self-temperature compensation with an error of 0.02 pm/oC are achieved. For the monolithic T-cantilever based FBG accelerometer (MTC-FBGA), sensitivity of 821 pm/g linearity of 99.7%, range of ± 3g, cross-axis sensitivity of 0.3%, natural frequency of 64 Hz with a usable bandwidth of 5-40 Hz and self-temperature compensation with an error of 0.07 pm/oC are achieved. For the composite triangular cantilever based FBG accelerometer (CTC-FBGA), very high sensitivity of 1721.6 pm/g with a linearity of 99.3%, cross-axis sensitivity of 0.7%, natural frequency of 23 Hz, bandwidth up to 10 Hz, self-temperature compensation with an error of 0.03 pm/oC and a dynamic range of 80 dB are achieved. The highly sensitive self-temperature compensated high-performance accelerometers can faithfully sense and measure low amplitude and low-frequency vibrations as well as accelerations related to inertial navigation, seismic vibration, and structural health monitoring of medium to large scale civil, aerospace, and defense structures. The mathematical models developed for the FBG accelerometers also provide enough flexibility to further optimize the design parameters to achieve specific desired performance characteristics. Using the recently researched high sensitivity etched FBGs and nano-material coated FBGs, the sensitivity of the proposed configurations can be enhanced many folds.
NA

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Streszczenia konferencji na temat "Self-temperature Compensation"

Zhu, Tao, Qiang Zhang, Leilei Shi, Yusong Hou i Xiaoyi Bao. "All-fiber acceleration sensor with temperature self-compensation". W OFS2012 22nd International Conference on Optical Fiber Sensor, redaktorzy Yanbiao Liao, Wei Jin, David D. Sampson, Ryozo Yamauchi, Youngjoo Chung, Kentaro Nakamura i Yunjiang Rao. SPIE, 2012. http://dx.doi.org/10.1117/12.970387.

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Wang, Mao-Dong, Chang Yi, Xiao-Yan Gui i Xing-Hua Wang. "A LOW-POWER RING OSCILLATOR WITH TEMPERATURE SELF-COMPENSATION". W 2015 International Conference on Material Engineering and Mechanical Engineering (MEME2015). WORLD SCIENTIFIC, 2016. http://dx.doi.org/10.1142/9789814759687_0079.

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Ma, Zishuai, Anping Qiu, Qin Shi, Guoming Xia i Yang Zhao. "A real time self-temperature compensation method used for MEMS gyroscopes". W 2ND INTERNATIONAL CONFERENCE ON MATERIALS SCIENCE, RESOURCE AND ENVIRONMENTAL ENGINEERING (MSREE 2017). Author(s), 2017. http://dx.doi.org/10.1063/1.5005260.

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Ma, Ruiqi, Guoqing Feng, Huilong Ren, Peng Fu, Shuang Wu i Youzhen Wang. "Investigation on Temperature Compensation of Fiber Bragg Grating Sensors for Hull Monitoring". W ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/omae2018-77326.

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Hull monitoring system with Fiber Bragg Grating (FBG) sensors increasingly receives people’s attentions. However, for the ship hull monitoring, the deformation of hull girder changes a lot as is subjected to a huge temperature variation. Therefore, the compensation method with only FBG temperature self-correction is not suitable for the hull monitoring sensors because no material thermal expansion effects are reasonably included. In this paper, the new compensation method of hull monitoring FBG sensor based on the sensor theory with both FBG temperature self-correction and steel thermal expansion effects correction is studied. The coupled compensation method suitable for hull monitoring sensor is obtained by theoretical derivation. As the comparison, the coupled compensation experiment was carried out. The results show that the relative error under the temperature compensation method is large in the case of drastic strain and temperature changes, and the correction results of the tested method will be closer to the true level.

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Sun, Limin, Yang Shen i Chungeng Cao. "A novel FBG-based accelerometer with high sensitivity and temperature self-compensation". W SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring. SPIE, 2009. http://dx.doi.org/10.1117/12.815579.

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Hu, Shicheng, Haifeng Liu, Bo Liu, Wei Lin, Hao Zhang, Binbin Song i Jixuan Wu. "Self-temperature compensation approach for fiber specklegram magnetic field sensor based on polarization specklegram analysis". W Optical Fiber Sensors. Washington, D.C.: Optica Publishing Group, 2022. http://dx.doi.org/10.1364/ofs.2022.f1.5.

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We proposed a self-temperature-compensation approach for fiber specklegram sensor (FSS) based on polarization specklegram analysis, and designed a fiber specklegram magnetic field sensor with high stability and good repeatability.

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Zhang, Cheng, Liqing Wang, Changyun Miao i Dan Yang. "Temperature self-compensation refractometer based on cascaded SNS-FBG structure for multipoint measurement". W Advanced Sensor Systems and Applications VIII, redaktorzy Tiegen Liu i Shibin Jiang. SPIE, 2018. http://dx.doi.org/10.1117/12.2322125.

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Hosaka, J., i M. Hikita. "Low-loss saw gas sensor with self-temperature-compensation characteristics for sensor network". W 2011 IEEE International Ultrasonics Symposium (IUS). IEEE, 2011. http://dx.doi.org/10.1109/ultsym.2011.0567.

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Young-Jae Min i Soo-Won Kim. "A CMOS TDC-based digital magnetic Hall sensor using the self temperature compensation". W 2008 IEEE Custom Integrated Circuits Conference - CICC 2008. IEEE, 2008. http://dx.doi.org/10.1109/cicc.2008.4672088.

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Xiao, Kanglin, Bo Wang, Changpei Qiu i Xin'an Wang. "Design and Implementation of a Temperature Self-Compensation Balanced Hybrid Ring Oscillator BHRO". W 2021 IEEE International Symposium on Circuits and Systems (ISCAS). IEEE, 2021. http://dx.doi.org/10.1109/iscas51556.2021.9401344.

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