Proceedings of the 3rd International Conference on Material, Mechanical and Manufacturing Engineering

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440 articles

Study on Radiation Crosslinking of a Bio-based Polyamide—I: Characterization by X-ray Diffraction

Huimin Zhang, Qingxiu Jia, Fengjiao Shao
Biomass is a feasible substitute for petrochemicals, providing many of the same chemical building blocks that are required to fabricate durable and high-performance materials. In this paper, the radiation crosslinking of a bio-based polyamide has been investigated over a range of irradiation dose (50–250...

Topological Properties of the Pnicogen Bond Complexes Based on Atoms-in-Molecule Theory: A Way of Supramolecular Materials Construction

Yuancheng Zhu, Liu Liu, Yanzhi Liu, Huian Tang
Pnicogen bond is a Lewis acid-Lewis base intermolecular noncovalent attractive interaction in which a pnicogen atom (N, P, or As) is the Lewis acid. It has been known since 2011. In this paper, the topological properties of the particular set of pnicogen bond complexes formed with formaldehyde (HCHO)...

Analysis of the Temperature and CO2 Concentration in Precalciner Based on Fluent Software

Shuai Xin, Weilin Zhao, Ningning Xing
The coupling between the pulverized coal combustion and raw meal decomposition in precalciner of the cement plant with capacity of 5000t/d was investigated by Fluent software. The standard k- model was proposed to simulate the three-dimension turbulence flow. The multiphase was calculated coupling process....

Precision Analysis of Color Measurement by Different Spectrophotometers

Hongying Yang, Shiyin Ding, Pengfei Jiang
Photometric accuracy and precision are the most important technical parameters of spectrophotometers. In this paper, our three instruments, that is Datacolor SF600, X-Rite Color i7 and Varian Cary 5000 UV-VIS-NIR spectrophotometer, were inspected on their photometric precision for color measuring. Five...

Transmission Expansion Planning Based on Hybrid EDA/DE Algorithm Considering Wind Power Penetration

Xiankui Wen, Huiting Xu, Yong Xiao, Jianguo Chen, Chenghui Lin
It poses high requirements for the calculation speed and the precision of the solving method when we consider the large-scale transmission expansion planning (TEP) problems. Therefore, combined with the respective characteristics of EDA (Distribution of Estimation Algorithm) and DE (Differential Evolution...

Interactive Teaching Mode of Biology course under the New Media Technology

Kai Song, Mei Bie, Jian Zhang, Anhua Meng
Compared with the traditional teaching methods, modern new media including the instructional and social media represent the new direction for the mode of education and teaching quietly, which contributes to the effectiveness of teaching increasingly. Interactive teaching mode at biological teaching of...

Influence of rotating speed and trial weight on one-time balancing

Xueshan Xu, Yujie Bai, Xiaozhang Zhang
In practical process of dynamic balancing, rotating speed, mass and angular location of trial weight will affect one-time balancing effect. In order to find the best balancing speed, trial weight mass and angle, computer simulation and experimental research are conducted. The results show that, one can...

A new Hybrid Infection model optimization Algorithm

Zhijie Zhang
In this paper, a new nature-inspired optimization algorithm, based on the prevalent mechanism of infectious diseases, called Hybrid Infection model optimization Algorithm HIA , was designed. The HIA algorithm mimic the transmission mechanism of infectious diseases, needs neither the gradient information...

A seismometer phase-sensitive detection circuit design

Xuefeng Xing, Huan Liu, Shixue Lv, Guanyu Zhang, Yun Long, Junqiu Wang
Phase-sensitive detection circuit tests signals according to the correlation of the reference signal and the input signal. The noise is eliminated by the independence between the reference signal and the noise signal. The sensitivity of the detector is improved significantly by the suppression of the...

High precision capacitance displacement measurement circuit design

Xuefeng Xing, Jianqiang Li, Shixue Lv, Linlin Xu, Xiaopu Zhang
A high resolution digital integrated chip capacitor measurement system was designed.The major components of the system mainly includedmain control chip, capacitance transducer, data storage and communication interface.ARM7-based mcro controllerSTM32F207was used as the main control chip, capacitance measurement...

Path Optimization of Free-floating Space Robot Based on Adaptive Genetic Algorithm

Junjie Zhang, Shidong Yao, Bo Peng, Qingli Zhang, Tao Zhang
In the free-floating mode, dynamic coupling exists between the manipulators and the spacecraft base of space robot, and the base attitude and position are easily disturbed by the motions of the manipulators. In this paper, firstly, the angular momentum conservation equation is analyzed. Then, the objective...

Effect of Cryogenic Treatment on Micro-structure and Property of 45# Steel

Hong Jun Ni, Yi Lv, Le Mi, Hongmei Liu
Attempts are made to treat 45 steel cryogenically using liquid nitrogen. Various properties of un-treated and cryo-treated 45 steel are studied in a comparative manner. The morphological changes are investigated by metallurgical microscope. Hardness is evaluated by the relevant machine. The results reveal...

Image Quality Assessment Method Based on Contourlet Transform and Generalized Gamma Distribution

Bin Wang
This paper proposes a new image quality assessment approach based on Contourlet transform and generalized gamma distribution (GGD). The image is processed by Contourlet transform at first and the Contouelet coefficients are modeled by GGD. The parameter of GGD is estimated and the feature vector is formed...

Online Rail Straightness Measurement Based on Parallel Computing

Zhao1 Liu, Chunchen Dong, Yun Pei, Jianyi Kong
Rail straightness measurement is critical in rail production, in which the detecting speed, accuracy and stability directly affect the overall rail production. In this paper, using modern technology such as laser sensors, data acquisition, and computing technology, an innovative rail straightness measurement...

Modeling and Simulation of the drive system of elevator based on AMESIM

Yingjie Liu, Hejun Yu, Gang Li, Zhongxing Li, Xingjun Wu
The drive system of an elevator controls the starting and accelerating, smooth running and braking deceleration of the elevator. The quality of elevator’s performance is closely related to the design of the drive system. This paper carries on the modeling and simulation of elevator’s drive system by...

System Performance Analysis in IM/DD OFDM for Power Grid Utilizing Adaptive Volterra Equalization

Yong Xia, Hai Yang Cong, Ming Zhu, Wei Zhe Ma, Yang Liu, Zhi Gang Qi
Intensity-modulation and direct-detection (IM/DD) orthogonal frequency division multiplexing (OFDM) systems have gained great attentions from researchers. However, the interaction between the chirp of direct modulation laser and fiber dispersion causes intermixing interferences among sub-carriers. Therefore,...

Research on Internal combustion engine speed processing method and its parameters optimization

Qiuyuan Wang, Fujun Zhang, Zhe Zuo
The accurate and available engine rotate speed signal is quite essential to engine control, fault diagnosis, etc. This paper analyses the parameters optimization towards common processing methods of engine rotate speed, aiming at internal combustion engine closed-loop control. Basing on the Matlab/xPC...

Empirical Comparisons of Online Boosting Algorithms with Running Time

Xiaowei Sun
Boosting is an effective classifier combination method, which can improve classification performance of an unstable learning algorithm due to its theoretical performance guarantees and strong experimental results. However, the algorithm has been used mainly in batch mode, i.e., it requires the entire...

The Design Of Multiple Nodes Wireless Temperature Transmission System Based On STC15W1K24S And CC1101

Zhijian Yin, Wang Fan, Xiang Kun
With the development of science and technology, the wireless transmission system has a broad application field. This system need to collect the temperature data of two nodes. So we use the new single chip microcomputer STC15W1K24S as microprocessor, DS18B20 as temperature sensor, low power consumption...

A Kind of Smart Home Electricity Controller based on Active Distribution Networks and ATT7035 Chip

Lefeng Cheng, Maoxin Xu, Tao Yu, Yixuan Chen, Baomin Zheng
The distribution network may be influenced by access of a large number of distributed generations, such as the impact of short level, reactive power, voltage ride through limitation, bi-directional power flow, etc., which brought a lot of uncertainty for networks’ operation and controlling. The future...

Research on Transmission System of Video Monitoring for theater Based on IP Multicast

Zhen Li, Liu Gao, Hui Ren
At present, with the video data growth, in the transmission system of theater video monitoring, it uses the communication way of IP unicast and IP broadcast to transmit video data, which leads to the rapid consumption of bandwidth. In order to solve the above problem, this paper proposes to adopt the...

Study of generation and trigger system of the Extracorporeal Cardiac Shock Wave

Liang Yin, Ye Zhang, Shouli Bai, Xin Qi, Ying Zhou
This article introduces the placing signage and the high-voltage trigger system of the extracorporeal cardiac shock wave treatment instrument. The placing signage is composed of a solenoid coil, a cylindrical sheet metal and a parabolic reflection cup. The cylindrical sheet metal is pushed sharply by...

SVM-based Dynamic Risk Recognition and Complex Risk Assessment

Xue Liu, Wenjing Qi, Weihua Yuan
Risk assessment is a critical step for the robust operation of an information system. We incorporate machine learning and statistical theory together in risk recognition and evaluation to accommodate the dynamic and complex characters of information systems. first, SVM classifier is employed to recognize...

Coupling effect of surfactant sprays and gas jet on inhalable particle agglomeration

Yali Liu, Deshuai Sun, Tingting Qin, Zhongyi Zhang
Inhalable particles are harmful to public health and cause serious environmental problems. In this paper, surfactant sprays and gas jet were introduced into the agglomeration chamber to encourage the agglomeration of inhalable particles. The coupling effect of double gas jet and surfactant spray could...

The CFD Simulation for the West Pipeline Engineering on the Contamination Levels of Crude & Product Oil

Yue Liang, Yanping Xin
West Oil Product pipeline always take batch transportation, conveying three different qualities of oil product. Crude oil pipeline takes a task of oil transportation from three oilfields in Xinjiang. In accordance with the principles of higher prices for better quality of crude oil, it takes batch transportation...

Study on Cancer Serum Components by Fourier Transform Infrared Spectroscopy

Lihui Zhao, Deming Han, Xiuping Sun
The infrared spectra of serum from cancer patients can be measured using Fourier Transform Infrared Spectroscopy (FTIR). The changes of infrared absorption peak position in phosphor diester groups from cancer cells using OriginPro8.1 software indicates that nucleic acids contents in the cancer serum...

Developmental venous anomalies presented as chronic paroxysmal headache: a case report and brief review

Zheng Han, Guozhong Hu, Hongji Tian, Songyan Liu, Xuemei Han, Zhongwen Lv
cerebral venous malformation (CVM) is a rare disease which often result in misdiagnosis and missed diagnosis for its non-specific symptoms. we encountered a case of cerebral venous malformation with recurrent manifestations of perennial headache in 40-year-old woman.Through studying the main image features...

Research Progress on Application of Organic Diamines and Their Derivatives

Shouji Zhu, Zhendong Zhao, Shichao Xu, Juanjuan Liu, Jianxin Jiang
Organic diamines and their derivatives are important compounds in organic chemistry, which are useful and applicable in many fields. Among them, organic diamines have two NH2 groups, which can be enabled to react with aldehyde, acyl chloride and anhydride to give out schiff base, amide and amic acid,...

Discussion on the Importance of Selecting Balance System in Chemical Engineering Calculation

Yuexian Liu, Nanzhe Zhang
Chemical engineering calculation is the basis of chemical engineering science and a required course for students of chemical engineering specialty. In chemical engineering calculation, the division and determination of the balance system are an important link. Taking the material balance as an example,...

In2S3 nanoflakes-functionalized cotton cellulose electrospun nanofibers for visible light photocatalysis

Jing Li, Xiufang Zhang, Song Wang, Chaorong Li
We report a simple and effective route to fabricate ultrathin curved In2S3 nanoflakes-functionalized natural cotton cellulose nanofibers by combining electrospinning and hydrothermal growth technique. Cotton cellulose nanofibers(CCNFs) were obtained by electrospinning technique. Curved and interconnected...

Research on Genetic Diversity of Pepper Germplasm Resources by Inter-simple Sequence Repeat Molecular Markers

Jun Liu, Dong Li
Eight Capsicum annuum were studied for genetic diversity using ISSR markers. After screen of 30 ISSR primers, 21 pairs could amplify clear bands. And 382 bands were amplified by using above 21 pair of primers, of which 270 bands (70.6%) presented polymorphism. According to Nei and Li, the genetic similarity...

Construct of Metrology Information Public Service System

Yuanqinga Li, Shilin Wu, Qi Zhang
Industrial metrology systems for inspection and quality control are the key issues to ensure the high quality and consistency of metrology. However, the traditional metrology system contents multiple subsystem which separated by different functions and is hard to organized as a work flow in practice....

Stable pressure driving system for generation of droplets on demand

Ruichang Ke, Limin Lu, Dan Mo, Chen Shenglan, Liu Binyu
A stable pressure driving system was designed in this paper, which can be used in Microfluidic Chips to driving reagents. Herein, two embedded controller units are used to control the stability of the reagent bottles pressure, for driving the reagents flow steady on the microfluidic chips. All parameters...

A Redundancy Dual-backup Method of the Battery Pack for the Two-wheeled Self-balanced Vehicle

Yong Tao, Tianmiao Wang, Ye Wang, Zhongyuan Chen
In order to improve the stability and reliability of the two-wheeled self-balanced vehicle, a redundancy dual-backup method of the battery pack is proposed. The redundancy dual-backup scheme for the power supply system is presented, and the failure detection and switching method are given. In order to...

Study on the Influencing factors of the Nodal Dynamic Frequency Response Characteristics of Power System on Account of Curved Surface Fitting

Shanshan Liang, Jun Wu, Dichen Liu, Jingzhu Hu, Xiangyu Han, Tian Liu
Many studies on static frequency characteristics have been done yet nodal dynamic frequency response characteristics gain more attentions for the important role frequency plays in power system stability. Influencing factors such as balance power, power shortage and electrical distance are altered during...

Design and Implementation of Error Remote Calibration System Related to Gateway Energy Measuring Devices

Xuhui Shu, Wei Bi, Shengqing Wei, Dengping Tang, Kai Hu
Substation is always equipped with electric energy metering system which does not have the function of error remote calibration. In this paper, we introduce the error remote calibration system related to energy measuring devices to achieve two functions: on the one hand is to minimize the relevant losses...

Design and Implementation of a High Efficient DDR SDRAM Controller Applied in TOF-MS

Qian Li, Ming Wang, Yang Yu
Owing to large capacity and high speed, DDR SDRAM has been widely used in the data acquisition system of time-of-flight mass spectrometer (TOF-MS) which can detect and analyze biological and chemical macromolecule precisely. Due to the particularity of the requirement of large amounts of data accumulation...

Enhancement of cooling design on the performance of thermoelectric Generator

Changqing Guo, Changfeng Yan, Xiaoyong Zhao
Thermoelectric generators(TEG) is considered as a promising technology for utilizing low-grade thermal energy, while the cooling system plays a key role in TEG. A two-dimensional numerical model of jet impinging jet cooling is developed based on the commercial code FLUENT. The influences of several factors...

Preparation of carbon nanofibers by the combination of electrospinning and thermal treatment for electrochemical detection of dopamine, ascorbic acid and uric acid

Chunyan Wang, Xiaoqiu Liu, Xiuhua Wu
Carbon nanofibers (CNFs) was synthesized by simple electrospinning, followed by thermal treatment over a carbonization temperature of 900 °C. The morphology and microstructure of CNFs were characterized by scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The results indicate...

Progress on Preparation and Application of p-Menthane-1,8-diol monohydrate

Xiaoqing Yi, Shichao Xu, Zhendong Zhao
This paper provides an elaborate summary and review on the development and progress in the preparation and application of p-menthane-1,8-diol monohydrate.

Determination flavomycin residue in grass carp by high performance liquid chromatography

Liang-Liang Tian, Dong-Mei Huang, Yong-Fu Shi, Feng Han, Peng Zhou
A method for the determination of flavomycin in shrimp by high performance liquid chromatography was established. Flavomycin in sample was extracted by methanol solution and defatted with n-hexane. The lower was cleaned through the membrane and determined by HPLC. The calibration curve was linear. The...

A Multi-Continuum Multi-Component Model for Enhanced Gas Recovery and CO2 Storage in Fractured Shale Gas Reservoirs

Yuanyuan Shao, Xuri Huang
Shale gas reservoirs have been proposed as feasible choices of location for injection of CO2 because this method could enhance recovery of natural gas resources, while at the same time sequester CO2 underground. In this paper, a fully coupled multi-continuum multi-component simulator which incorporates...

Analysis of Spoofing Influence of GNSS

Jing Pang, Shaojie Ni, Junwei Nie
Spoofing is an important threat to present satellite navigation equipment; and the research on spoofing technology is the basis of the anti-spoofing technology. According to the principle of spoofing, this paper analyzes constraints on timing receivers and navigation receivers. The analysis results show...

The simulation analysis of the pressure in the silo influence on the structure of the grain dryer

Yang Wang, Yan Zhou
This paper we intend to test the pressure during the process of grain drying in the rectangular silo and explore the change regularity of dynamic and static pressure. According to the trend of the dynamic and static pressure with height, we analyzed the pressure and the structure stress in the silo that...

Mechanical Performance Prediction of Cold Rolled Ribbed Steel Bars Based on RBF Network with Whole Variable Space

Bangsheng Xing, Le Xu
This paper proposes a method of mechanical performance prediction of cold rolled ribbed steel bars based on RBF network with whole variable space. It builds a whole variable space model and studies the performance prediction of cold rolled ribbed steel bars based on the 5-in & 1-out RBF network and the...

The Design of Defect Detection Algorithm for the Energy-saving Lamp Tungsten

Qinlong Gu, Defu Chen, Qiang Shen, Minghai Yao
In the energy-saving lamp production, there may be some defects such as no lamp post, too long tail, excess or not enough powder coating. The paper proposes the defect detection algorithm based on tungsten defect features with machine vision. It contains obtaining of tungsten area, filtering, marking...

Design of A Novel Foil for Millimeter Wave Application

Jin Cheng, Hu Yang, Shaojun Mao, Lei Gu, Fei Zhao
In order to lengthen floating time of foil in the air and improve its scattering abilities, this paper proposes a novel structure of millimeter wave foil. By cutting useless part of foil, its weight is reduced appropriately while its scattering properties as well as floating time are strengthened which...

Research on a kind of human motion state monitoring device

Jin Wang, Yanfei Liu
As people's living standards improve, people have higher requirements on the quality of life and health of human body. Exercise is an important way to keep healthy. The amount of exercise of different degree will have different effects on the health of human body. Real-time monitoring and recording the...

Keypoint Analysis of the Pre-settlement Audit Work of the Construction project cost

Jinbao Cao, Yunzhu Liu, Jian Tang
The pre settlement audit work of the construction project cost is a key job in the construction engineering, and is also the most basic work in building engineering. The pre settlement audit work of the construction project cost is the key to the cost control of construction engineering. Economic globalization...

Development Strategic Research on Mountainous Ethnic Minority Beautiful Towns and Villages—Taking the Thousand Miao Villages Xijiang as Example

Danqing Pu, Ying Cao, Jiawen Hou, Pengfei Qiu
In recent years, the development of the mountainous ethnic minority beautiful towns and villages has drawn people’s attention. This paper took the thousand Miao villages Xijiang as an example, studied and analyzed the development strategic on mountainous ethnic minority beautiful towns and villages....