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Introduction

Bimonthly, started in 1957
Administrator
Shanxi Provincial Education Department
Sponsor
Taiyuan University of Technology
Publisher
Ed. Office of Journal of TYUT
Editor-in-Chief
SUN Hongbin
ISSN: 1007-9432
CN: 14-1220/N

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Shanxi Provincial Education Department

Taiyuan University of Technology

location： home> 2018,49(06)

Temperature Control of the Planar Moving Strengthened Induction Heating Process of Inconel 718

Exploring the interactions among different brain regions about structure and function can better understand the pathological basis of neurological disorders.The brain functional network has been widely used in the diagnosis and classification of neurological diseases.However, because of the grouping effect among brain regions, there is some randomness in the hyperedge which is constructed by traditional method, and thus lacks the ability to explain the grouping effect information among brain regi...

Taiyuan University of technology 2018,49(06): CHENG Chao，DANG Weichao，BAI Shangwang，PAN Lihu，LIU Chunxia. ;

PDFviewed：abstract

Gearbox Signal Denoising Method Based on Improved Double Tree Complex Wavelet Transform and Higher O

For traditional threshold denoising method, the effect of the fault signal of gearbox extracted from the background noise under soft background and soft threshold is not ideal, and the threshold processing method of the real and imaginary parts causes local phase distortion.On the basis of the translation invariance of double-tree complex wavelet transform, a method of noise reduction of double-tree complex wavelet transform and high-order cumulant is proposed.The algorithm uses the fourth-order ...

Taiyuan University of technology 2018,49(06): CHEN Xuyang，HAN Zhennan，WANG Zhijian. ;

PDFviewed：abstract

Numerical Study on Distribution of Temperature Field of Dry Hot Rock under Hot Shock

Based on the principle of heat transfer, the advanced multi-physics simulation software Comsol Multiphysics 5.3 awas used to simulate the thermal shock of granite at different temperatures by using ambient temperature water, liquid carbon dioxide and liquid nitrogen as working fluids, and the granite thermal shock test was carried out under the same conditions.The simulation results show that the temperature field of granite under the thermal shock is propagated by shock wave.The larger contact a...

Taiyuan University of technology 2018,49(06): XIONG Guiming，XI Baoping，WU Yangchun，CHEN Luhai. ;

PDFviewed：abstract

The Biomass Potassium Migration Rule during Coal/Biomass Co-pyrolysis Process

This paper investigates coal minerals, coal char physical structure and oxygen content factors that affect biomass potassium migration during coal/biomass co-pyrolysis process.The results state that the coal minerals and the oxygen content of coal char are the main factors for the biomass potassium re-distribution.With the increase of minerals substance content in coal, migration content of biomass potassium during coal/biomass co-pyrolysis process rises from17.69%to 41.49% (mass percent) .For di...

Taiyuan University of technology 2018,49(06): SONG Yuncai，LI Qiaotong，LIU Zhiwu，WU Shaojie，ZHANG Lu，ZHANG Yang，FENG Jie. ;

PDFviewed：abstract

Preparation and Luminescence Properties of Maple Leaf-based Carbon Quantum Dots

Carbon quantum dots (CQDs) were synthesized by a one-step hydrothermal method with maple leaves as raw materials.The structure and optical properties of CQDs were characterized through high resolution transmission electron microscopy, X-ray photoelectron spectroscopy, Fourier transform infrared spectrum, thermogravimetry and UV-Vis absorption spectrophotometry.The results show that CQDs with amorphous structures mainly consist of C, H, O, N elements.Their surfaces are rich in functional groupssuc...

Taiyuan University of technology 2018,49(06): CUI Bo，ZHENG Jingxia，LIU Xinghua，JIA Husheng，YANG Yongzhen，LIU Xuguang. ;

PDFviewed：abstract

Pipeline Route Planning and Simulation Based on Bidirectional RRT Algorithm

A pipeline path planning and modeling method was proposed based on improved Rapidly-exploring Random Tree (RRT) algorithm to deal with the problems of low efficiency, poor reliability and difficulty in change in pipeline path planning.First of all, the BidirectionalRRT algorithm was introduced to reduce the divergence of random tree growth by increasing the probability of selecting a target point and importing the path cache;Then greedy algorithm was used to remove redundant path points, and Catm...

Taiyuan University of technology 2018,49(06): WANG Suqing，WANG Fei，YUAN Jianping，CHEN Xiaolong，CHEN Xianlong. ;

PDFviewed：abstract

Research on Credibility Evaluation Model of Mobile Application Based on Operational Behavior

Aiming at the dynamic evaluation of the credibility of mobile applications, a mobile application credibility evaluation model based on operational behavior is proposed.The model introduces the reputation value of atomic operation and the credibility of node to measure the reliability of mobile application.At the same time, node credibility algorithm is proposed to calculate node credibility, and a child credibility model is generated based on the pruning algorithm to dynamically evaluate the cred...

Taiyuan University of technology 2018,49(06): SHAO Zhipeng，CHEN Lu，MA Yuanyuan，CHEN Mu，LI Nige. ;

PDFviewed：abstract

Classifications of MCI Brain Network Based on Granger Causality Analysis

In order to improve the early diagnosis of MCI, the directed functional brain network based on granger causality analysis (GCA) was constructed and used to identify subjects across normal subjects for control (NC) , patients with early mild cognitive impairment (EMCI) and those with late mild cognitive impairment (LMCI) , by examining resting-state functional magnetic resonance imaging (rs-fMRI) data.During the section of feature selection, the significantly different measures of local and global...

Taiyuan University of technology 2018,49(06): CUI Huifang,ZHOU Mengni,WANG Bin,XIANG Jie,CAO Rui,YAN Pengfei. ;

PDFviewed：abstract

Brain Functional Hyper Network Construction and Classification Research Based-on Group Lasso Method

Taiyuan University of technology 2018,49(06): CHENG Chao,DANG Weichao,BAI Shangwang,PAN Lihu,LIU Chunxia. ;

PDFviewed：abstract

An Improved ELM-LRF Image Classification Method

The input weight of each feature graph in convolution process of ELM-LRF is stochastic, the stability is poor.In this paper, particle swarm optimization (PSO) is used to optimize the ELM-LRF, to get an image classification algorithm with optimal parameters IPSO-ELMLRF.The experimental results show that, compared with traditional ELM-LRF algorithm, IPSO-ELM-LRF not only improves the stability of the algorithm, but also gives full play to the global optimization ability of particle swarm optimizati...

Taiyuan University of technology 2018,49(06): ZHAO Zhihong,XU Xinying,CHEN Qi,XIE Jun. ;

PDFviewed：abstract

Local Buckling of H-shaped Steel Members with Large Width-thickness Ratios Subjected to Lateral Impa

The local buckling behavior of H-shaped steel members with large width-thickness ratios subjected to lateral impact was investigated theoretically and numerically.In the theoretical analysis, Yield Line Mechanism was introduced to establish the theoretical model and the idealized plastic material model was adopted.Analytical solutions for the collapse curve were developed, and used to model large deformation behavior and energy absorption.The theoretical results were proved to compare well with t...

Taiyuan University of technology 2018,49(06): CHEN Pengcheng,LU Guoyun,YANG Huiwei,ZHANG En. ;

PDFviewed：abstract

Dynamic Behavior of Honeycomb/Corrugated Sandwich Plates Under Blast Loading

Ballistic pendulum system was used to investigate the deformation/failure modes of corrugated and honeycomb sandwich panels under air blast experimentally.By changing explosive quantity and explosive position, different loading impulse applied on the panels were obtained, and the deformation failure mode of face sheet and core were analyzed.The experimental results show that when the blast loading and core average density keep constant, trapezoidal corrugated core exhibits weaker energy absorptio...

Taiyuan University of technology 2018,49(06): WANG Dajiang,LI Xin,ZHU Jian. ;

PDFviewed：abstract

Finite Element Analysis of Shoulder Under Lateral Impact Loading

In order to deal with the shoulder lateral impact damage that is prone to occur in real life, the mechanical response of the shoulder under lateral impact of 3.5 m/s was discussed, and the vulnerable parts were predicted according to the stress distribution.On the basis of the principle of reverse engineering, a finite element model of human shoulder joint including bone, ligaments, cartilage, muscle and other tissues was constructed by using commercial software.When calculation time was ensured,...

Taiyuan University of technology 2018,49(06): ZHANG Jing,GUO Yuan,ZHANG Xushu,ZHANG Yuwen. ;

PDFviewed：abstract

Temperature Monitoring Arrangement Method Through Magneto-thermal Coupling Analysis for Power Cabin

Dwing to the complexity of internal wiring and the inflammability as a result of bad ventilation and heat dissipation, the temperature of the power cabin of integrated pipe gallery needs to be monitored.In this paper, a temperature monitoring arrangement method through magneto-thermal coupling analysis is proposed.By using the finite element method, a two-dimensional model is established on the basis of actual model project of power cabin.After multi-physics coupling numerical calculation, a temp...

Taiyuan University of technology 2018,49(06): ZHOU Li,ZHOU Qiupeng,XIE Dong,JIANG Shan,FAN Hongxing,ZHANG Yujiao. ;

PDFviewed：abstract

Fault Diagnosis Method of ZPW-2000A Track Circuit Based on PSE-ANFIS

For the complexity, randomization and difficulty for getting fault samples of ZPW-2000 Atrack circuit, a method of fault diagnosis of ZPW-2000 Atrack circuit based on the theory of power spectrum entropy (PSE) of frequency-shift signal (FSK) and the adaptive neuro-fuzzy inference system (ANFIS) was put forward.On the basis of the theory of PSE of FSK, ANFIS is used as classifier for fault pattern recognition, which can simplify the fault diagnosis of track circuit.LabVIEW platform is used to anal...

Taiyuan University of technology 2018,49(06): CHEN Shushu,TIAN Muqin,SONG Jiancheng. ;

PDFviewed：abstract

Design and Realization of Floating Oil-Water Interface Detector

In view of the shortcomings of existing oil-water interface detection device, i.e., low accuracy, and short lifetime and large maintence for mechanical parts, a float type oil-water interface detector was designed.The oil-water interface detector uses a gravity sensor as measurement element, transferring gravity signal into voltage signal.Then, by using 4～20 mA two-wire U/I transmitter XTR101, apractical transmission circuit was designed, which converts the voltage signal into current signal.Fin...

Taiyuan University of technology 2018,49(06): YU Guanghui,CHEN Yan,MA Chunyan,DOU Yinke,FENG Zhigang,CHANG Xiaomin,ZHANG Yan. ;

PDFviewed：abstract

Ring Isomorphisms and Complete Preservers of Commutativity of Prime Rings

Let R be a unital prime ring.Then every surjective mapΦcompletely preserving commutativity fromRonto Rhas the formΦ=LCπ, where C∈Z (R) is an invertible element andπis a ring isomorphism of R.Let R be a unital involutive ring with involution *.Then every surjective mapΦcompletely preserving skew commutativity fromRonto Rhas the formΦ=LCπ, where C∈Z (R) is an invertible symmetric element andπis a *-ring isomorphism of R.If the maps are unital, the primeness assumption on the rings can be ...

Taiyuan University of technology 2018,49(06): ZHANG Ting,HOU Jinchuan. ;

PDFviewed：abstract