Advances in Computer Science Research

A reverse logistics network design model is proposed based on constraint theory. We can obtain the optimal solution including the number of facilities, locations and products flows for the network through the model. Genetic algorithms are developed to solve the model. Finally, a numerical example is...

This paper introduces the system design of the YSS920B digital audio DSP processing chip based on the Yamaha Corporation. The design of two order variable parameter digital equalizer is studied, and the key problems of the filter design are discussed from two aspects: system structure and variable parameters...

This paper presented the analysis and design of a power amplifier circuit for a starch gelatinization power supply system. This circuit can realize some functions: High power, high efficiency, no distortion, good heat dissipation. In order to meeting the requirements of the load, it outputted a certain...

With wide use of microblogging, the sentiment analysis of emergencies based on microblogging is helpful to analyze the trend of public opinion, and is beneficial to monitor and guide the public opinion correctly for government. Firstly, word2vec is used to transform microblogging text into the feature...

With the expansion of the power grid scale, there are contradictory between the increasing speed of operation and maintenance personnel and the expansion of operation and maintenance scope. Once the operating environment changes, it is easy to bring on safety accidents. In order to solve those wire communication...

As vehicles become popular, there are high requirements for the safety and convenience of vehicles and traffic, which gives rise to the birth and development of autonomous driving technology. However, the current autonomous driving technology is not particularly perfect, and there are still many problems...

Multimodal emotion recognition involves the identification of human emotional states utilizing a combination of sensory information, such as audio, video, and physiological signals. This field, straddling the domains of computer science and psychology, holds significant commercial potential in areas...

Due to the complex structure of the elevator system and the complicated and diverse cause of the elevator operation faults, It is often difficult for maintenance personnel to comprehensively grasp the fault signs to determine the cause of the fault. Directing against this peculiarity, this paper proposes...

Brigham Young University is a comprehensive university class church, its artistic concept of education leading reputation in the art world. Through exchanges with American universities, I found multiple effects in different embodiments, as well as different educational concepts and teaching methods proper...

The objective of this work is to evaluate the effect of applying industrial grade MgO with different grades of metal impurity partially substituting NaOH as the alkali source on the hydrogen peroxide bleaching process. In this study, the effects of pretreatments, such as washing in deionized water, washing...

The simulation of spherical mechanical seal is carried out with ANSYS finite element method, and the influence of sea water pressure, shaft speed and other factors on the spherical mechanical seal performance discussed. The study shows that local contact situation of the spherical mechanical seal is...

Heilongjiang, as the major grain producing province, makes outstanding contributions to grain. Farmers mainly engage in food production and their household operating income mainly depends on food income. Therefore, to protect farmers’ food income in Heilongjiang has become the key problem of ensuring...

With the rapid development of science and technology, video monitoring has entered in to all walks of life, how to use computer for video image processing, analysis and understanding is an important research field of computer image mining. How to combine the computer technology with video monitoring...

Aims: Laser-assisted micromachining is a promising technique to improve the machinability of various difficult-to-machine materials, building temperature field mathematical models of laser-assisted micromachining system can significantly reduce human and material resources in actual processing and improve...

For the needs of modern access management system, integrated with wireless communication technologies, a novel access control management system based on IAP15F2K61S2(STC MCU) was designed and developed. The system consisted of IAP15F2K61S2, RFID reader module, display module, clock and data storage module,...

With the fast development of the society and people’s rising awareness on healthy diet, scattered chickens have already become a consuming hot spot on the market. This paper firstly showed a comparison between traditional way and scattered way on the chicken raised pattern. And then some technology applications...

Digital modulation and demodulation system as an important part of digital communication system,its research is necessary. Based on the analysis of 2ASK digital band-pass system transmission characteristics, SIMULINK software is used to simulate the digital band-pass transmission system. Having been...

The proposed work uses a multifaceted approach to address mental health concerns among students, incorporating various machine learning algorithms to improve accuracy and efficacy. Mental health plays a vital role in the overall success of a student, both in school and in life. When students take care...

With the continuous development of science and technology in China, a variety of intelligent electronic products have emerged, and the level of intelligence is also getting higher and higher, providing people with better services. The reason is that micro control unit technology plays a key role. Therefore,...

With the progress of society, knowledge service ability plays a more and more important role in library and information system. Therefore, library and information system optimization as well as innovation is urgent, which can transfer a glittering array of data information into information that can be...

Nowadays computed tomography provides the possibility to image internal cellular structures of embryos. A major challenge is a high accuracy image segmentation of tissues and individual cells. The process of manual image segmentation is time consuming and error prone. It can be partially replaced or...

Information disclosure WeChat public platform is aim to provide convenient conditions for schools open information . The platform is based on the information public network of North China Electric Power University. It provides real-time understanding of campus activities for school's teachers and students,...

Internet payment with the rapid development has brought great convenience to people's lives, but also tremendous security risks people's property. At present, on Third-Party Payment Platform, E-bank and other Internet payment methods, to change the password, to pay or to transfer account, only phone...

Current decision making processes often involve uncertain information obtained from a number of sources. In addition the available data might be incomplete and/or collected at different time periods, i.e. its significance might require adjustments. In many cases experiments cannot be repeated and conclusions...

The electronic design contest has played an important role in cultivating high-quality innovative talents, students can master many professional basic skills through the electronic design contest, which skills lay the foundation for future work in the electronic information industry. In this paper, we...

In this paper, a traffic cone localization and angle measurement system is designed from the perspective of digital image processing based on monocular camera. The system can assist the traffic cone cart to automatically identify and locate the traffic cones during the process of collecting traffic cones....

As their application scenarios become more diverse, the demand for control methods that can resist interference is also growing. This is particularly important for UAVs operating in some scene happened in complex environments, where they may be susceptible to various external interference factors, such...

Information has become an important resource for mankind. In handling these huge amount of information, computer information processing has become indispensable. At present, how to predict and evaluate computer systems security in a better way emerged as a research hot spots. In this paper, fuzzy comprehensive...

Socialist core value system is our Communist party's theoretical innovation and great achievement. Ideological and political theory course is the main channel and position of Ideological and political education of college students, their internal consistency requires the assimilating socialist core value...

With the situation of university students' employment is becoming increasingly rigorous,campus recruitment as the main channel of hiring college graduates,is attracting more and more attention.This article from the perspective of employers, the main manifestations and the influence factors of the campus...

Pragmatic texts translation has become increasingly important. By adapting to the shift from subjectivity to intersubjectivity, this paper discusses intersubjectivity in pragmatic texts translation by taking Topper Owners Manual as an example, analyzing the translation of terminologies, sentences and...

Due to diversity of engineering training knowledge, complexity of its practitioners’ needs, and low efficiency for an individual instructor to guide students, this paper proposes a new type of assisted teaching system based on expert system. It first elaborates the structure and significance of the system,...

To against the demerits of slicing methods based on STL model in 3D printing, a sheet solid slicing method of 3D models is presented. In this method, a sheet solid which thickness is equal to the layer thickness is using to intersect with 3D model, and the result of the intersection is target sheet solid...

Image feature extraction is the realization of content-based image retrieval based on the first step, but also is the most critical step. Image feature extraction is suitable or not directly affect the performance of image retrieval system, this paper describes the features of the image, and construct...

PPP expressway project has the distinctive characteristics of long construction period, public-private partnership, huge investment amount, etc. It is imperative to accurately assess the project risk. Firstly, a relatively comprehensive risk evaluation index system of PPP expressway project is constructed,...

In this paper, we consider the location and time factor together, and we give different location and time to add the corresponding score coefficient to distinguish between the sensitivity of location and time. We will be under strict differential privacy model study of spatio-temporal data. We propose...

Multi-needle surgical planning is a quite complex and difficult job for doctors since the desired result is not very intuitive and has many constrains. The aim of this paper is let the computer automatically compute the operation scheme of the large liver tumor radiofrequency ablation, including puncture...

The objective of the research is to improve project controlling in a chemical plant to projects completed on time delivery through the adaptation of the project control technique from Project Management Body of Knowledge (PMBOK) to improve project on time delivery, cost and quality. The technique involves...

The main work of this thesis is to study and discuss flame retardant properties of the flexible polyurethane foam (FPUF) added with borax as flame retardant. The flammability parameters, including limiting oxygen index(LOI), rate of heat release (RHR), total heat release (THR), total mass loss (TML)...

In order to ensure the safety of patients and make the patients have a good rest during liquid infusion, we design a wireless infusion alarm system. The system adopts two terminal mode with host and slaves. The slaves in the patients' side are in charge of detecting whether the infusion is completed,...

With the increasing of external dependency, successful new service development (NSD) becomes more difficult. This study combines new service development theory and graph theory to analyze agents of new service development network organization. Sequentially, quantitative incentive model is established....

An overlay network based traceback scheme against DDoS attacks is proposed in this paper. A CAT server is set in each ISP domain, and receives the alert packets from routers in the domain. According to the alert packets, the intra-domain attack tree is constructed. An alert will be sent to the victim...

As a common problem of multi-core parallel programs, the problem of data race has been paid more and more attention in recent years. In this paper, a dynamic detection approach for data race problem detection is proposed. By introducing a new metadata storage based on the buddy memory allocator, the...

The research of text similarity, especially for rumors texts, which constructed the calculation model on the basis of known rumors and calculated its similarity. From which, people can recognize the rumors in advance, and improve their vigilance to effectively block and control rumors dissemination....

Cable is an essential component of Electric Power Secondary System. Due to the low voltage power cables lay with communication optical cable in the same trench, while low voltage power cables working current is high, communication optical cable suffers huge incidents potential of fire accident. This...

A novel strategy for combatting ransomware has emerged, aiming to circumvent the limitations of traditional antivirus software which ransomware often evades. Ransomware, by encrypting files and restricting user access to systems and data, poses a significant threat. The proposed solution involves a ransomware...

Analyzed and quantified the low carbon supply chain carbon emissions by using life cycle method, analysis of all aspects of the decision factors, cost and carbon emission index, considering the cost targets and carbon emissions, a multi-objective mixed integer programming model is established to solve...

For the problem of low accuracy of temperature monitoring system, this paper proposed a multi-sensor data fusion algorithm applied to plant factory temperature monitoring system. First, Dixon criterion was used to eliminate the gross error in the measurement data, then the temperature data fusion value...

In order to solve the problem of aluminum piston deburring, in the special deburring machine adopts the drum wheel unit as a clamp, slot wheel mechanism as intermittent mechanism, by the brush to remove burrs, through the literature material law, expert interview method, calculation analysis and other...

The data center networks (DCN) leverage redundant physical links to overcome the bottleneck of traditional tree topology and achieve high bisection bandwidth and goodput for cloud computing platform, so how to use these redundancy links efficiently becomes the key factor for routing designer. This paper...

Analyzing the current lack of reliability test design and considering the producer’s risk and consumer’s risk, the reliability test design model for compound system (CSRTD) based on information fusion was constructed. Analyzing the requirements and constraint conditions of reliability test design, the...

The farmers’ land scale has become the main factors of farmers’ income. In the background of the financial support, the willingness and behavior of farmers to land transfer has a significant impact on the scale operation. Based on research data, through logistic regression models this paper explores...

Through the analysis on the characteristics and demands of the online teaching platform, the web-based teaching platform based on the mobile internet is established. Analysis and test on the performance of the online teaching platform has been carried out. The test result shows that this platform can...

The basic principle of impedance-matching balance transformer (IMBF)is introduced, the impedance matching conditions and current vector are given. Using ANSOFT finite-element simulation software for transformer modeling and simulation, the simulation results consistent with theory, shows the validity...

This paper first gives an analysis of the static structure and dynamic process of folding table, gets corresponding folding process parameter equation by geometric relations, and quantifies parameters respectively for different design requirements of desktop. The desktop projection just falls within...

Support Vector Machine (SVM) is an important statistical machine learning algorithm, among which SMO algorithm is one of the effective application methods. SMO algorithm decomposes the problem of support vector machine into smaller problems to minimize the sequence. Through the introduction of SMO algorithm...

A polarization hopping wireless communication system is proposed, the matching relationship between polarization hopping sequence and polarization states of antennas is designed, and a synchronization acquisition scheme is put forward for the proposed polarization hopping wireless communication system....

In the operation process of the toll road industry, compared to cash flow and logistics, information flow plays a more important role. It runs through every link of the industry value chain and provides guarantee and support for the increase of the additional value of value chain. From the perspective...

As urbanization accelerates, China's traditional villages are facing multiple challenges, including weakened cultural identity, ecological destruction, and social structural transformation. As a region characterized by both cultural diversity and ecological sensitivity, the heritage protection and...

With the development of cloud computing and big data, technology has entered the era of big data, big data mining and intelligent applications are the hot spots of current scientific and technological research. This paper describes the background, features of big data development etc., combines the characteristics...

Along with our country has gone to the information era, economic and comprehensive national strength is constantly growing stronger, library and information sciences and records management disciplines are developing. Differentiation and integration have become the ordinary state of the discipline development...

In this paper, we propose an efficient visual saliency detection method based on trajectory clustering. We group the corner point trajectories using a two stage clustering algorithm. The most stable trajectories are pre-clustered using mean shift in the first stage. Then, we proposed an unsupervised...

Through questionnaire survey of students in Jilin Engineering Normal University and analyzing their reading purposes, habits and contents, the paper explores the characteristics of reading status and potential difficulties, analyzes the causes of this dilemma

In the traditional logistics outsourcing contract, inventory and transportation cost is higher, is not conducive to bilateral cooperation. Through this study, the results show that the joint optimization decisions based on shared savings contract mode, the partners and the overall system is better than...

Network assembled structures from a series of macromolecular surfactants were prepared on glass surfaces. When the content of the hydrophobic side-chains was increased from 10 to 90 mol%, the solutions exhibited a lower surface tension. In addition, these solutions ultimately formed thinner and more...

In order to realize the data access service of Android platform for OPC,Analysis of the OPC of Android, developed a data access service system for PLC based on Android platform, described the system architecture, work flow and communication protocol, Implemented two kinds of state data access of the...

Aiming at protecting the space environment such as removing space debris and repairing malfunctioning targets, it is vital importance to measure the pose of space targets. In this paper we propose a high precision pose estimation algorithm based on point cloud. The optimized Random Sample Consensus (RANSAC)...

In the process of urbanization in China, the scale of the city has expanded, and some factories that are harmful are also moving from the center of the city. Therefore, many industrial wasteland, old factories and some waste industrial equipment have been left in the city. Brought a series of social...

The application technology universities developed after the technology universities union building in 2013. In the existing literature, the research about applied technology university is relatively a few, especially for the research about professional evaluation of application technology universities...

The support vector machine model is based on the network security situation has strong randomness, is affected by many factors, and the number of types of network security incidents is uncertain, the reference sample is small, the prediction model of need "intelligent", according to SVM forecast algorithm....

Bring Your Own Device (BYOD) is a work environment that allows employees to use their devices to access the organization's resources to complete their tasks. However, BYOD has raised some security concerns because it presents organizations with more significant challenges in protecting their data...

With the continuous development of computer digital technology, my country is gradually transforming into a smart city. Urbanparks are important places for people to carry out public activities. The development of high-tech has brought challenges to urban parks and new opportunities. This paper proposes...

In this paper, the SSE Real Estate Index and RMB exchange rate are taken as the research objects, and the approaches and effects of the RMB exchange rate on the SSE Real Estate Index are further explored by means of literature and empirical research. The results show that the RMB exchange rate can boost...

This paper presents a design of automatic STC MCU program downloader based on CH340G USB serial converter chip. The user through the host computer to achieve the STC 5V/3.3V MCU to erase, program, check and encrypt. The download device is not required for MCU control, and has the advantages of simple...

Detailed studies about the deformation principles and processing mechanisms of bamboo sheet cell cube are theoretical foundation to realize mechanization, automation and informatization of bamboo products manufacturing, and also the key to develop different kinds of bamboo knit machine. For internal...

The pursuit of life value and good humanistic quality is the essential condition of college students' healthy personality. The goal and positioning of college Chinese teaching based on humanism, with the help of classical chapters focus on the students' spiritual world. Explore the life consciousness...

Iris recognition plays an important role in personal identification. The first and critical step in the process of an iris recognition system is iris segmentation. In this study, several aspects are done. Firstly, the fundamental of Chan-Vese level set is described. Secondly, the process of related parameters...

Graph theory is applied in this paper to optimization design of test point set in circuit board fault diagnosis. The optimal detection node set of a circuit board can be established by a improved node matrix. The improved node matrix can also regenerate topology network graph of a circuit, which reflects...

The requirements of using modern aircraft have been increased constantly, which results in different influencing factors of aircraft R&D and procurement costs. And the original model in the predication for R&D costs appears accretion of estimation especially for the extensive using of advanced avionics...

In the detection process of large random network intrusion signal, the signal detection method is key to guarantee the network security, the traditional detection method is simple, time-consuming, and the error is big, the detection precision is low. In view of this situation, a ORB wave intrusion signal...

A fast algorithm which can extract pitch period information from speech is described. The solution is developed by processing speech signals using Haar wavelet function. We have shown mathematically that the pitch period of a speech signals can be computed using global minimum of the total energy level...

In the process of the underground space development, the first is the development of underground municipal facilities, marks the beginning of modern urban underground space development and utilization. In order to adapt to urban development and then appears the underground traffic, expanded the contents...

Today in the area of field operations, there is no systematic way to assess and identify if any of the active or pipeline assignments are prone to mishaps, illness, and injuries. Actionable insights are missing from the leading indicators like concern reports, near-misses, or work-stop events reported...

For a class of two order systems with single input and non-minimum phase, this paper uses backstepping design method to design the controller and studies the Euler programming problem. But unlike the traditional backstepping design, this paper did not use the method of hinge compensation, but there is...

The research proposes a module creation method based on AHP which analyses customers’ demands weights in the process of product design. First of all, with establishing the product conceptual structure which correspond the personalized needs of customers and analyzing the similar characteristics of the...

The intent of this paper is to study a new smart methane & solar hybrid power generating system. The structure composition of new smart generating system is firstly introduced. Secondly, the function of each part is analyzed. Then, the principle of new smart generating system is presented. Finally, this...

This paper describes a multi-agent system for monitoring, diagnosis and forecasting the technical system condition with the car as an example. The system consists of four agents: the monitoring agent (collects reports on the condition of the vehicle, handles requests from the user and displays the response),...

With the rapid development of the automotive industry, cars have become the necessary means of transport. Because the automotive production process is complex, multi-species, multi-parts, high quality requirements, the production line management system research is highly necessary. Enterprises through...

The device is based on the principle of gear transmission and the design is to improve traditional paddle wheel drive in which exist defects, by using the synchronous effect of the odd gears, making the ship with propulsion device of a water shifting plate in a vertical state, namely propeller thrust...

With the rapid development of network, all kinds of information systems bring convenience to enterprises at the same time, it also brings more and more hidden dangers to information security. Encryption technology is the core technology of network security technology, which plays an increasingly important...

Compared with other buses, CAN bus has low cost, long data transmission distance and high transmission rate, so it is widely used in the field of automation. In this paper, PLC is used as the master node, CANopen – PROFINET gateway is used as the intermediate node, and the motor driver is used as the...

Shaanxi cultural dialect is very distinctive and is one of the most important manifestations of Shaanxi's unique culture. However, due to the geographical differences, Shaanxi dialects are not the same way each region. Based on the analysis of the regional and historical culture in Shaanxi province and...

Identifying sentiment polarity of a document is a building block of sentiment classification and natural language processing tasks, it aims to automate the prediction of sentiment orientation in a document. In general, recently fast-growing Deep Neural Networks(DNN) method has been extensively used as...

In this paper, the structural characteristics of lifting mechanism of LiuGong CPD30 forklift are analyzed. After detailed analysis and calculation, it can satisfy the controllability and observability discriminant matrix. The structural characteristics of the hydraulic lifting system of forklift truck...

Osteoarthritis (OA) is an all-encompassing, broadly prevalent illness that mostly affects the knee joint. It is a complex progressive disorder leading to loss of articular cartilage, joint space reduction, pain, function loss, and physical incapacity causing deterioration in quality of life. In today’s...

Path planning has demonstrated significant value across multiple fields as the core technology of intelligent navigation of autonomous systems. This review begins by examining the current development status of path planning technology, analyzing algorithmic innovations over recent years, and examining...

In order to fully tap the regulating potential of dispatchable loads (DLs) and to bring DLs into the normal dispatch and operation of the electric power system, research on the "Internet plus dispatchable loads" integrated dispatching platform is needed to provide access interface for the power grid...

An innovative accelerated integral equation method is proposed based on a fast search algorithm for both shared and non-shared faces among mesh elements. This method successfully accelerates the computational process of solving for the tetrahedral coupling coefficients. By using the proposed accelerated...

A kind of high-voltage inverter power supply for electron beam precision micro machining equipment is introduced. The system is based on the current transformation way of AC DC AC AC DC. Its intermediate inverter link is intermediate frequency inverter which is composed of two phase parallel half-bridge...

A multi-chip synchronization system based on diversity technique is presented. As diversity technique in communication, at the master IC chip’s transmitter, two periodic synchronization signals (with a set delay time between them) have been sent as synchronization reference. At every IC chips’ receiver...