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Multi-functional photoelectric sensor Based on a Three-fold Interpenetrated Cd(II)Coordination Polymer for Sensitive Detecting Different Ions

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Chemical Research in Chinese Universities 2022年第4期38卷 1105-1110页

作者： WANG Yue WANG Jinling MA Jianxin ZHANG Yue XU Na WANG Xiuli Professional Technology Innovation Center of Liaoning Province for Conversion Materials of Solar Cell College of Chemistry and Materials EngineeringBohai UniversityJinzhou121013P.R.China

Athree-fold interpenetrated cadmium coordination polymer[Cd_(3)(BTC)_(2)(H_(2)O)_(9)]·2H_(2)O(CP 1)(H_(3)BTC=1,3,5-benzenetricarboxylic acid)was selected and synthesized to investigate its photoelectric *** 1 showed excellent sensitivity for Cr_(2)O_(7)^(2−)and Fe^(3+),low limit of detection(LOD:0.39µmol/L for Cr_(2)O_(7)^(2−)and 1.72µmol/L for Fe^(3+))and stability as electrochemical *** importantly,fluorescence sensing studies indicated that CP 1 exhibits sensing activity for Fe^(3+),Fe^(2+),and MnO_(4)−with good cyclic stability and *** LOD and high-sensitivity capability of CP 1 make it a potential multifunctional photoelectric sensor.

关键词： Coordination polymer photoelectric sensor Electrochemistry sensing Fluorescence sensing Cr_(2)O_(7)^(2−)and MnO_(4)^(−)

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Wolfberry tree dual-model detection method and orchard target-oriented fertilization system based on photoelectric sensors

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International Journal of Agricultural and Biological Engineering 2018年第4期11卷 65-73页

作者： Shuo Yang Changyuan Zhai John Long Bo Zhang Hanzhe Li College of Mechanical and Electronic Engineering Northwest A&F UniversityYangling 712100China Key Laboratory of Agricultural Internet of Things Ministry of Agriculture and Rural AffairsYanglingShaanxi 712100China Department of Biosystems and Agricultural Engineering Oklahoma State UniversityStillwaterOK 74078USA

Orchard target-oriented fertilizing with on-board sensor technology can improve fertilizer efficiency and reduce environmental *** sensors are widely used for object detection because of their low cost and fast response *** paper presents a Wolfberry tree dual-model detection method and the design of an orchard target-oriented variable-rate fertilization system based on photoelectric *** dual-model detection method includes the Trunk Detection Model(TDM)and Canopy Detection Model(CDM),which can be applied for Wolfberry orchards at the green cluster and mature stages,respectively.A target-oriented fertilization system was designed using the dual-model method,and tested in the lab and Chinese Wolfberry *** laboratory test results showed that the average center offset distances on the condition of detecting trunks,continuous canopies,and discontinuous canopies were 4.1 cm,9.1 cm and 13.1 cm,*** system could ignore the signals from canes when their diameters were less than 16 mm,and also could determine the gaps within a tree when they were less than 21 *** orchard test results showed that the system accomplished target-oriented fertilization 95 times for 92 trees at the mature *** results indicated that the dual-model detection method could be used for Wolfberry trees or other trees with similar canopy changes at different growth stages.

关键词： orchard fertilizer target-oriented fertilization variable rate fertilization photoelectric sensor wolfberry orchard

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A novel launch dynamics measurement system for multiple launch rocket system and comparative analysis with numerical simulations

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Defence Technology（防务技术） 2021年第2期17卷 671-681页

作者： Li-lin Gu Xiao-ting Rui Guo-ping Wang Yi An Fu-feng Yang Min Wei Institute of Launch Dynamics Nanjing University of Science and TechnologyNanjing 210094PR China School of Physical and Mathematical Science Nanjing Tech UniversityNanjing 211816PR China

In this paper,a novel launch dynamics measurement system based on the photoelectric sensor pair is *** actual muzzle time(i.e.a time duration that originates from the initial movement to the rocket’s departure from the muzzle)and the muzzle velocity are *** with the classical methods,the actual muzzle time is obtained by eliminating the ignition *** comparative analysis method is proposed with numerical simulations established by the transfer matrix method for multibody *** experiment results indicate that the proposed measurement system can effectively measure the actual muzzle time and reduce the error of classical methods,which match well with the simulation results showing the launch dynamics model is reliable and helpful for further analysis and design of the MLRS.

关键词： Multiple launch rocket system photoelectric sensor Launch dynamics measurement system Model verification Transfer matrix method for multibody systems

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Technology of signal de-noising and singularity elimination based on wavelet transform

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Journal of Beijing Institute of Technology 2011年第4期20卷 509-513页

作者：赵国建韩宝玲罗庆生王鑫 School of Mechanical Engineering Beijing Institute of Technology School of Mechatronics Beijing Institute of Technology

Based on wavelet transform theory,a method for signal de-noising and singularity detection and elimination is proposed,which can reduce the noises and express local *** singularity can also be detected and located through the local modulus maxima of wavelet *** experiments are conducted with MATLAB *** experimental results demonstrate that the method proposed in this paper is effective and feasible.

关键词： industrial palletizing robot photoelectric sensor wavelet transform wavelet de-noising singularity

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STUDY ON photoelectric AND DYNAMICAL CONTROL SYSTEM FOR FRUIT SIZING

STUDY ON PHOTOELECTRIC AND DYNAMICAL CONTROL SYSTEM FOR FRUI...

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IFIP TC12 WG12.5-Second IFIP Conference on Artificial Intelligence Applications and Innovations(AIAI2005)

作者： Dongxing Zhang Jing Li College of Engineering China Agricultural University

A fruit sizing system based on photoelectric sensor is *** system uses AT89C51 microcomputer as its core,and a signal gathering circuit,a processing circuit,an output circuit and a display/keyboard unit are also *** it works,the system receives digital signals produced by fruits that shadow the light from a photoelectric *** digital signals processed by the system software,every fruit’s sizing level is ***,the system will output switch signals to open the sorting switches according to fruits’ size,and fruits are dynamically measured and sorted in real *** results indicated that the system works well and can be easily controlled;meanwhile it is multipurpose by setting sizing levels to sort different kinds of fruits.

关键词： microcomputer photoelectric sensor fruit sorting

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