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学者姓名:蒋庄德

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Gear Mapping Technology Based on Differential Envelope Principle EI SCIE
期刊论文 | 2021 , 2021 | MATHEMATICAL PROBLEMS IN ENGINEERING
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Abstract :

It is proposed that the complex molding process and the scanning process should be unified through the differential envelope principle. After scanning the surface of the part with the contact sensor, the contour coordinates of the measured surface are calculated by the trajectory of the center of the ball, and the contour data of the complex linear surface is extracted. Then, the intelligent analysis and calculation of precision generating surface parameters and quantitative adjustment are carried out, and the exact reverse method of the special line parts with characteristic parameters is studied. There is only micron scale difference between the reverse result and the nominal value. This technology is applied to the closed-loop manufacturing process of gear parts, which reduces the dependence on the artificial experience when the machining parameters of the cylindrical gear processing equipment is adjusted and provides an effective solution for the digital and intelligent manufacturing of the parts.

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GB/T 7714 Liu, Yangpeng , Guo, Jingyang , Ding, Jianjun et al. Gear Mapping Technology Based on Differential Envelope Principle [J]. | MATHEMATICAL PROBLEMS IN ENGINEERING , 2021 , 2021 .
MLA Liu, Yangpeng et al. "Gear Mapping Technology Based on Differential Envelope Principle" . | MATHEMATICAL PROBLEMS IN ENGINEERING 2021 (2021) .
APA Liu, Yangpeng , Guo, Jingyang , Ding, Jianjun , Duan, Duanzhi , Jiang, Yuerong , Li, Changsheng et al. Gear Mapping Technology Based on Differential Envelope Principle . | MATHEMATICAL PROBLEMS IN ENGINEERING , 2021 , 2021 .
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Extraction Methods and Implementation Technologies of Fuel Injection Pump Cam Profile Characteristics EI SCIE
期刊论文 | 2021 , 2021 | MATHEMATICAL PROBLEMS IN ENGINEERING
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Because the traditional camshaft measurement methods cannot be applied to the injection pump cam, in order to improve the measurement automation of injection camshaft, an accurate extraction method of the characteristic parameters of the injection cam profile is proposed in this paper. In this method, the phase error optimization is realized by the angle precise rotation matching of the actual lift data. The optimization is realized by the Lagrangian polynomial interpolation algorithm based on the moving window. The goals of precise measurement of the peach point phase of single high point cam and accurate acquisition of the back dead point phase of high point arc segment cam are realized. Compared with the precision of high-precision measuring equipment, the method can extract the lift and phase angle error of the cam accurately and stably.

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GB/T 7714 Liu, Yangpeng , Chen, Peng , Ding, Jianjun et al. Extraction Methods and Implementation Technologies of Fuel Injection Pump Cam Profile Characteristics [J]. | MATHEMATICAL PROBLEMS IN ENGINEERING , 2021 , 2021 .
MLA Liu, Yangpeng et al. "Extraction Methods and Implementation Technologies of Fuel Injection Pump Cam Profile Characteristics" . | MATHEMATICAL PROBLEMS IN ENGINEERING 2021 (2021) .
APA Liu, Yangpeng , Chen, Peng , Ding, Jianjun , Sun, Lin , Li, Tao , Li, Changsheng et al. Extraction Methods and Implementation Technologies of Fuel Injection Pump Cam Profile Characteristics . | MATHEMATICAL PROBLEMS IN ENGINEERING , 2021 , 2021 .
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Temperature and pressure dual-parameter sensing based on Fiber Bragg Grating EI CPCI-S
会议论文 | 2021 , 1635-1639 | 16th IEEE International Conference on Nano/Micro Engineered and Molecular Systems (IEEE-NEMS)
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Abstract :

This paper experimentally studies the temperature and pressure response of fiber Bragg grating (FBG) and gold-plated FBG. The incident light is transmitted through the sensor and is reflected after encountering FBG. As the temperature and pressure changes, the reflection peak will change. The changes in the reflection spectrum are studied through experiments to get the temperature and pressure changes at the measured point. The experimental results show that the temperature response sensitivity of the FBG is 0.011 nm/ degrees C, and the response sensitivity of gold-plated FBG is 0.031 nm/ degrees C. The pressure response sensitivities of the sensors are 0.07nm/Mpa and 0.09nm/Mpa, respectively. Through the comparison of FBG and gold-plated FBG, temperature and pressure dual-parameter sensing is realized. The probe structure is simplified, the measurement accuracy of the sensor is improved, and the temperature and pressure dual-parameter sensor measurement in the medical, chemical, engine and other research fields are realized.

Keyword :

multimode fiber Bragg grating (MMFBG) multimode fiber temperature sensing optical fiber sensor

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GB/T 7714 Zhao, Na , Lin, Qijing , Zhu, Liangquan et al. Temperature and pressure dual-parameter sensing based on Fiber Bragg Grating [C] . 2021 : 1635-1639 .
MLA Zhao, Na et al. "Temperature and pressure dual-parameter sensing based on Fiber Bragg Grating" . (2021) : 1635-1639 .
APA Zhao, Na , Lin, Qijing , Zhu, Liangquan , Yao, Kun , Tian, Bian , Zhao, Libo et al. Temperature and pressure dual-parameter sensing based on Fiber Bragg Grating . (2021) : 1635-1639 .
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A Terahertz Detector Based on Double-Channel GaN/AlGaN High Electronic Mobility Transistor SCIE PubMed
期刊论文 | 2021 , 14 (20) | MATERIALS
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A double-channel (DC) GaN/AlGaN high-electron-mobility transistor (HEMT) as a terahertz (THz) detector at 315 GHz frequency is proposed and fabricated in this paper. The structure of the epitaxial layer material in the detector is optimized, and the performance of the GaN HEMT THz detector is improved. The maximum responsivity of 10 kV/W and minimum noise equivalent power (NEP) of 15.5 pW/Hz(0.5) are obtained at the radiation frequency of 315 GHz. The results are comparable to and even more promising than the reported single-channel (SC) GaN HEMT detectors. The enhancement of THz response and the reduction of NEP of the DC GaN HEMT detector mainly results from the interaction of 2DEG in the upper and lower channels, which improves the self-mixing effect of the detector. The promising experimental results mean that the proposed DC GaN/AlGaN HEMT THz detector is capable of the practical applications of THz detection.

Keyword :

responsivity high-electron-mobility transistor terahertz detector noise equivalent power double-channel

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GB/T 7714 Meng, Qingzhi , Lin, Qijing , Han, Feng et al. A Terahertz Detector Based on Double-Channel GaN/AlGaN High Electronic Mobility Transistor [J]. | MATERIALS , 2021 , 14 (20) .
MLA Meng, Qingzhi et al. "A Terahertz Detector Based on Double-Channel GaN/AlGaN High Electronic Mobility Transistor" . | MATERIALS 14 . 20 (2021) .
APA Meng, Qingzhi , Lin, Qijing , Han, Feng , Jing, Weixuan , Wang, Yangtao , Jiang, Zhuangde . A Terahertz Detector Based on Double-Channel GaN/AlGaN High Electronic Mobility Transistor . | MATERIALS , 2021 , 14 (20) .
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High-Sensitivity Enzymatic Glucose Sensor Based on ZnO Urchin-like Nanostructure Modified with Fe3O4 Magnetic Particles SCIE PubMed
期刊论文 | 2021 , 12 (8) | MICROMACHINES
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A novel and efficient enzymatic glucose sensor was fabricated based on Fe3O4 magnetic nanoparticles (Fe(3)O(4)MNPs)-modified urchin-like ZnO nanoflowers (ZnONFs). ZnONFs were hydrothermally synthesizing on a flexible PET substrate. Fe(3)O(4)MNPs were deposited on the surface of the ZnONFs by the drop-coating process. The results showed that the urchin-like ZnONFs provided strong support for enzyme adsorption. For Fe(3)O(4)MNPs, it significantly promoted the redox electron transfer from the active center of GOx to the ZnO nanoflowers beneath. More importantly, it promoted the hydrolysis of H2O2, the intermediate product of glucose catalytic reaction, and thus improved the electron yield. The sensitivity of the Nafion/GOx/Fe(3)O(4)MNPs/ZnONFs/Au/PET sensor was up to 4.52 mu A center dot mM(-1)center dot cm(-2), which was improved by 7.93 times more than the Nafion/GOx/ZnONFs/Au/PET sensors (0.57 mu A center dot mM(-1)center dot cm(-2)). The detection limit and linear range were also improved. Additionally, the as-fabricated glucose sensors show strong anti-interference performance in the test environment containing organic compounds (such as urea, uric acid, and ascorbic acid) and inorganic salt (for instance, NaCl and KCl). The glucose sensor's service life was evaluated, and it can still maintain about 80% detection performance when it was reused about 20 times. Compared with other existing sensors, the as-fabricated glucose sensor exhibits an ultrahigh sensitivity and wide detection range. In addition, the introduction of Fe(3)O(4)MNPs optimized the catalytic efficiency from the perspective of the reaction mechanism and provided potential ideas for improving the performance of other enzymatic biosensors.

Keyword :

electrochemical sensor Fe3O4 magnetic nanoparticles enzymatic glucose sensor enzyme ZnO nanoflowers

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GB/T 7714 Mao, Qi , Jing, Weixuan , Gao, Weizhuo et al. High-Sensitivity Enzymatic Glucose Sensor Based on ZnO Urchin-like Nanostructure Modified with Fe3O4 Magnetic Particles [J]. | MICROMACHINES , 2021 , 12 (8) .
MLA Mao, Qi et al. "High-Sensitivity Enzymatic Glucose Sensor Based on ZnO Urchin-like Nanostructure Modified with Fe3O4 Magnetic Particles" . | MICROMACHINES 12 . 8 (2021) .
APA Mao, Qi , Jing, Weixuan , Gao, Weizhuo , Wei, Zhengying , Tian, Bian , Liu, Ming et al. High-Sensitivity Enzymatic Glucose Sensor Based on ZnO Urchin-like Nanostructure Modified with Fe3O4 Magnetic Particles . | MICROMACHINES , 2021 , 12 (8) .
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High-Performance Temperature Sensor by Employing Screen Printing Technology SCIE PubMed
期刊论文 | 2021 , 12 (8) | MICROMACHINES
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In the present study, a high-performance n-type temperature sensor was developed by a new and facile synthesis approach, which could apply to ambient temperature applications. As impacted by the low sintering temperature of flexible polyimide substrates, a screen printing technology-based method to prepare thermoelectric materials and a low-temperature heat treatment process applying to polymer substrates were proposed and achieved. By regulating the preparation parameters of the high-performance n-type indium oxide material, the optimal proportioning method and the post-treatment process method were developed. The sensors based on thermoelectric effects exhibited a sensitivity of 162.5 mu V/degrees C, as well as a wide range of temperature measurement from ambient temperature to 223.6 degrees C. Furthermore, it is expected to conduct temperature monitoring in different scenarios through a sensor prepared in masks and mechanical hands, laying a foundation for the large-scale manufacturing and widespread application of flexible electronic skin and devices.

Keyword :

temperature sensor sensitivity screen printed indium oxide

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GB/T 7714 Liu, Zhaojun , Tian, Bian , Zhang, Bingfei et al. High-Performance Temperature Sensor by Employing Screen Printing Technology [J]. | MICROMACHINES , 2021 , 12 (8) .
MLA Liu, Zhaojun et al. "High-Performance Temperature Sensor by Employing Screen Printing Technology" . | MICROMACHINES 12 . 8 (2021) .
APA Liu, Zhaojun , Tian, Bian , Zhang, Bingfei , Zhang, Zhongkai , Liu, Jiangjiang , Zhao, Libo et al. High-Performance Temperature Sensor by Employing Screen Printing Technology . | MICROMACHINES , 2021 , 12 (8) .
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Gold Sputtering-assisted Conductive Electrospun Nanofibers Mat Decorated with MnO2 Nanospheres for Flexible, High-performance Supercapacitor Electrodes SCIE
期刊论文 | 2020 , 15 (1) , 515-525 | INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE
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Electrospun nanofibers (ENFs) and mats are regarded as ideal electrode candidates for electrochemical energy storage devices such as supercapacitors (SCs), due to their large specific surface area, three-dimensional (3D) nano architecture, light weight, high porosity, and low cost. However, the technique of electrospinning usually produces polymeric nanofibers, the inferior conductivity of polymers dramatically hinders their direct applications in electrochemistry. In this work, magnetron sputtering is utilized to coat a layer of uniform gold onto the surface of electrospun poly(vinylidene fluoride-trifluoroethylene) (PVDF-TrFE) nanofibers to achieve a highly conductive 3D network, followed with electrodeposition of manganese dioxide (MnO2) nanospheres as pseudocapacitive materials. The advanced SCs electrode exhibits integrated features of high specific capacitance (ca. 385 F g(-1) at 1 A g(-1)), decent rate capability (ca. 50 % retention as the current density is increased from 1 A g(-1) to 20 A g(-1)), long cycling life (ca. 94% retention after 2000 charging/discharging cycles), and attractive flexibility. This facile strategy of "sputtering-electrodeposition" shows a great potential to open up a new route for developing various kinds of ENFs-based energy storage devices for flexible electronics.

Keyword :

Electrodeposition Flexible supercapacitor Manganese dioxide Magnetron sputtering Electrospun nanofibers

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GB/T 7714 Luo, Guoxi , Zhang, Qiankun , Luo, Yunyun et al. Gold Sputtering-assisted Conductive Electrospun Nanofibers Mat Decorated with MnO2 Nanospheres for Flexible, High-performance Supercapacitor Electrodes [J]. | INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE , 2020 , 15 (1) : 515-525 .
MLA Luo, Guoxi et al. "Gold Sputtering-assisted Conductive Electrospun Nanofibers Mat Decorated with MnO2 Nanospheres for Flexible, High-performance Supercapacitor Electrodes" . | INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE 15 . 1 (2020) : 515-525 .
APA Luo, Guoxi , Zhang, Qiankun , Luo, Yunyun , Wang, Shubei , Yang, Ping , Zhao, Libo et al. Gold Sputtering-assisted Conductive Electrospun Nanofibers Mat Decorated with MnO2 Nanospheres for Flexible, High-performance Supercapacitor Electrodes . | INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE , 2020 , 15 (1) , 515-525 .
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Advanced Biological Imaging for Intracellular Micromanipulation: Methods and Applications SCIE Scopus
期刊论文 | 2020 , 10 (20) | APPLIED SCIENCES-BASEL
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Intracellular micromanipulation assisted by robotic systems has valuable applications in biomedical research, such as genetic diagnosis and genome-editing tasks. However, current studies suffer from a low success rate and a large operation damage because of insufficient information on the operation information of targeted specimens. The complexity of the intracellular environment causes difficulties in visualizing manipulation tools and specimens. This review summarizes and analyzes the current development of advanced biological imaging sampling and computational processing methods in intracellular micromanipulation applications. It also discusses the related limitations and future extension, providing an important reference about this field.

Keyword :

intracellular micromanipulation computational imaging biological imaging

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GB/T 7714 Gao, Wendi , Zhao, Libo , Jiang, Zhuangde et al. Advanced Biological Imaging for Intracellular Micromanipulation: Methods and Applications [J]. | APPLIED SCIENCES-BASEL , 2020 , 10 (20) .
MLA Gao, Wendi et al. "Advanced Biological Imaging for Intracellular Micromanipulation: Methods and Applications" . | APPLIED SCIENCES-BASEL 10 . 20 (2020) .
APA Gao, Wendi , Zhao, Libo , Jiang, Zhuangde , Sun, Dong . Advanced Biological Imaging for Intracellular Micromanipulation: Methods and Applications . | APPLIED SCIENCES-BASEL , 2020 , 10 (20) .
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Low-damping flexible Y3Fe5O12 thin films for tunable RF/microwave processors EI SCIE Scopus
期刊论文 | 2020 , 7 (6) , 1558-1565 | MATERIALS HORIZONS | IF: 13.266
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The tunable range of RF/microwave devices is limited not only due to the difficulty in growing high-quality magnetic oxide thin films but also because of their low magnetostrictive coefficient as in Y3Fe5O12 (YIG) thin films. In this work, we have fabricated flexible YIG thin films by using pulsed laser deposition (PLD) technology, which exhibit a low-damping constant (2.67 x 10(-4)) and well-established magnetic properties suitable for RF/microwave materials. A noticeable ferromagnetic resonance (FMR) field shift of 180 Oe was obtained along the out-of-plane direction via a flexible tunable factor f(R), which results in a frequency shift as high as 550 MHz. The result shows a greater FMR tuning than that induced by ferroelectric single crystals. At the same time, a systematic theoretical framework for tuning FMR characteristics was presented for the flexible YIG/mica thin films, which would provide an effective tuning method for other flexible magnetic oxides with low magnetostrictive coefficients. Last but not least, a flexible coplanar waveguide (CPW) integrated with the flexible YIG thin films shows excellent microwave magnetic stability and fatigue-resistant behavior. It would open a new door for further applications, such as flexible spiral detectors and high-frequency signal processors in the near future.

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GB/T 7714 Zhao, Yanan , Li, Yaojin , Zhou, Ziyao et al. Low-damping flexible Y3Fe5O12 thin films for tunable RF/microwave processors [J]. | MATERIALS HORIZONS , 2020 , 7 (6) : 1558-1565 .
MLA Zhao, Yanan et al. "Low-damping flexible Y3Fe5O12 thin films for tunable RF/microwave processors" . | MATERIALS HORIZONS 7 . 6 (2020) : 1558-1565 .
APA Zhao, Yanan , Li, Yaojin , Zhou, Ziyao , Peng, Renci , Zhu, Shukai , Yao, Mouteng et al. Low-damping flexible Y3Fe5O12 thin films for tunable RF/microwave processors . | MATERIALS HORIZONS , 2020 , 7 (6) , 1558-1565 .
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The influence of key characteristic parameters on performance of optical fiber Fabry-Perot temperature sensor EI SCIE Scopus
期刊论文 | 2020 , 10 (8) | AIP ADVANCES | IF: 1.548
WoS CC Cited Count: 3 SCOPUS Cited Count: 3
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Extrinsic optical fiber Fabry-Perot (F-P) high temperature sensors using Al2O3 ceramic tubes were fabricated by a microscope equipped with a CCD whose scaleplate has been calibrated using a standard gauge block. The initial cavity length of the F-P sensor, which must be larger than 36 mu m, whose output signal is demodulated by the multi-peak method is determined. The temperature measurement range of the sensor is 25 degrees C-1000 degrees C. Because the temperature sensitivity of the F-P temperature sensor made by Al2O3 ceramic tubes, whose thermal expansion coefficient is different from that of the fiber, is dependent on the initial cavity length, a low initial cavity length is beneficial in improving sensor sensitivity. Compared with the results of the quartz tube F-P sensor, the temperature sensitivity of the ceramic tube F-P sensor is 10 times larger than that of the quartz tube F-P sensor. Hence, it can be deduced that the ceramic tube F-P sensor is greatly improved compared with the quartz tube F-P sensor.

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GB/T 7714 Zhang, Fuzheng , Zhao, Na , Lin, Qijing et al. The influence of key characteristic parameters on performance of optical fiber Fabry-Perot temperature sensor [J]. | AIP ADVANCES , 2020 , 10 (8) .
MLA Zhang, Fuzheng et al. "The influence of key characteristic parameters on performance of optical fiber Fabry-Perot temperature sensor" . | AIP ADVANCES 10 . 8 (2020) .
APA Zhang, Fuzheng , Zhao, Na , Lin, Qijing , Wu, Zirong , Tian, Bian , Shi, Peng et al. The influence of key characteristic parameters on performance of optical fiber Fabry-Perot temperature sensor . | AIP ADVANCES , 2020 , 10 (8) .
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