Search all articles

This paper introduces an identification algorithm for a thermal system with multi-variable closed-loops. First, a kind of subspace identification algorithm based on the principle component analysis (PCA) is analyzed. Next, the PCA is used to identify the parameters of the process, where dynamic model...

It’s significant to isolate micro-vibration interference from ground to precision instruments, so lots of scholars have paid attention to study vibration isolation mechanisms and got a fruitful outcome. The most important characteristics of a passive vertical vibration isolator are natural frequency...

The sustainable development of highway construction project is a level reflection to develop highway project for a country. With the speeding up of industrialization and urbanization, social and economic benefits brought by network highway construction are more obvious, while the environmental pollution...

Social transformation is a general feature of today's Chinese society, and it is based on the changes of social structure as the main content, covering all areas of society overall change. Current social transformation of China constituted by two profound changes: First, the transition system, the second...

Hydrogen is expected to replace part of the fossil fuels in the future. Distributed wind and solar power is possible to produce hydrogen as an important primary energy source in order to enhance flexibility in energy distribution. The object of study is electricity-heat-hydrogen energy station composed...

According to the non-Hertz contact theory, a three dimensional spatial model was established, which can accurately reflect the wheel/rail contact, the program can be used to calculate normal contact for the arbitrary wheel/rail profile, study the effect of wear on wheel/rail normal contact relationship,...

In this study, we propose a fuzzy programming model that considers a single accident site and multiple emergency rescue bases. Various resource constraints, such as volume and weight capacity at the emergency rescue bases, are considered. Rescue funding availability is also integrated into the model....

The ZY-1strain, a fresh water microalgae isolated in our former work, was viewed as a possible means of CO2 fixation from fuel gas. In order to confirm the possibility, the influence of SO2, NO and dissolved components of the soot dust in fuel gas on its growth was investigated. The results were showed....

Image fusion has become a major topic in image processing. In transform domain methods, the fusion rules decide the quality of fused image and hence play an important role. Therefore, the key issue is the design of fusion rules which contain low frequency fusion rules and high frequency fusion rules....

The grain preservation feature guarantees that the translated multidimensional model will maintain cohesive granularity among the entities. Many data warehouse systems have been developed recently, yet data warehouse practice is not sufficiently sophisticated for practical usage. Most data warehouse...

This article summarizes the following, based on the blind area of CFRP shear bearing capacity calculation and combined with several calculation methods given by some domestic scholars in recent years. the literature [1] derives the shear strength formula by the product of the elastic modulus and effective...

This paper studies the trajectory planning and the optimization of the end spray gun of the mechanical arm, aiming at the running distance of the spray gun. The proposed way makes the whole process of gun required to run the shortest distance of the spraying trajectory. It builds mathematical model towards...

The notion of two-direction vector-valued wavelet packets which is the generalization of biorthogonal vector-valued wavelet packets is introduced. A method for constructing biorthogonal two-direction vector-valued wavelet packets is obtained and their properties are discussed by means of time- frequency...

The Party branch of University Teachers' basic level party is the political core, which plays an important role in the rule of law. However, the enthusiasm of the teachers is not high, the role of the pioneer model is not good, and the mechanism of the incentive mechanism is not perfect. To adapt to...

The current feature for motor carried with natural mixed eccentricity and bearing fault is merely focused even though it is very important for motor online diagnosis. Considering both of the air-gap length change and torque vibration caused by bearing fault, the stator current expression were deduced...

Using the oxide of high melting-point and high stability to pin the grain boundaries is an effective method to improve the welding performance of the HSLA steel in this study. A kind of HSLA steel is designed in this experiment. The thermal stability second phase particles which would not be dissolved...

With the traditional Gaussian mixture model being more sensitive to light and failing to react to changes of lighting, a variances and a mean update program under local illumination and global illumination mutations are puts forward respectively in this paper. More specifically, a divergent method to...

Since the laser beam divergence angle is very small, and there is no scattering effect in the space, the positioning technology of laser source is a difficult problem in the field of laser detection and interference. In this paper, a new method based on the scattering of the laser beam is presented,...

Learning to sing in junior high schools based on the 2013 curriculum can be implemented by setting at least three important aspects as benchmarks for their assessment. Based on this matter, this study aims to determine the object of observation and scoring techniques in assessing aspects of the accuracy...

Aimed at the problems of asphalt pavement temperature shrinkage cracks, numerical simulation method is applied to study the spatial-temporal distribution of asphalt pavement temperature field caused by periodically varying temperature and continuous cooling. Based on permanent asphalt pavement temperature...

The problems of teacher shortage, funds lack for running a school, cultural conflict, imperfect management mechanism and evaluation system were analyzed when the tutorial system were implemented in local colleges. In addition, based on the characteristics of local application-oriented higher institutions,...

The article describes the results of the digital railway control system as a complex system study. The article shows the difference between the terms digitization and digitalization. The connection between the digital control system and the digital economy is revealed. The article describes the twelve...

Procrastination is a behavior that evades the task. The two key features of procrastination are postponement and irrationality. Procrastination is often manifested by the use of non-urgent tasks instead of urgent ones, with simple and happy work instead of a difficult one. Sometimes procrastinators can...

Through field investigations, the knowledge, perceptions and abilities of Guangdong college students on social entrepreneurship have been explored so as to better target their ability development and enable them to better carry out social entrepreneurship. Conclusion are as below: college students have...

To obtain the best appropriate method and optimum extraction conditions of total alkaloids from Zizyphi spinosi semen (ZSS), the conditions of reflux extraction were optimized by single factor experiment and orthogonal design respectively. the experiment results were as follows: 20% acetic acid resolved...

The metronome is a device that produces beats at regular intervals and can be used as the reference of music's speed. It has a wide application in music. The metronome was designed based on the AT89C51 microcontroller. The peripheral circuit is mainly composed of digital display module, keyboard module...

As for a kind of ordered state evaluation problem, it is too much feature and big calculation in the process of multiattribute decision making, this paper is aimed to the method of DS-AHP and use the convex function to set up its optimization model. Example of the fire extinguishing systems’ state evaluation...

Han Dynasty stone carving is Chinese nation's outstanding cultural heritage, how to protect and promote it is an historical responsibility. In recent years, there has been a lot of research on the Han Dynasty stone carving, and has achieved certain results. But the digital research on it is still very...

The curriculum 2013 has implemented in more than 5 years, but the teachers of the primary school still complaints that they have difficulty implementing a thematic and scientific-based learning approach. In fact, because of the Ministry of Education freed teachers and schools to use the Curriculum 2013...

The system of denying the personality of the juridical person, also known as “piercing the corporate veil”, refers to a legal measure that is set up to prevent the abuse of the independent personality of the company and protect the company’s creditors and social public interests. The independent personality...

Agatha Christie, the famous British detective novelist, plays a vital role in the field of detective novels around the world. Among her representative works, And Then There Were None subverts the convention of linear and diachronic narrative and focuses on space. Based on Gabriel Zoran’s theory of spatial...

Most sectors of the economy like the universities, high-tech, financial services, and government institutions have data center. However, there are some issues which encompass current data center such as physical location, energy consumption, performance, flexibility. Big organizations like Google, IBM...

In the past three decades, the use of RNA-based technology to develop preventive and therapeutic vaccines has attracted widespread attention and in-depth research.The proteins in our body coordinate with each other to perform their respective functions. And mRNA is like a set of procedures. Cells only...

This article of the classroom action research (CAR) aims to reveal the steps of teaching learning texts in Intensive Reading by using Explanation Video Project (EVP). The data include information related to the teaching learning process of Intensive Reading, the contents of videos made by students containing...

This research is framed by the concept of digital transformation, the core of which is technology, driven by the Fourth Industrial Revolution. Because of the multiplicity of factors below such as technological innovation, intensified market competition, evolving consumer demands, and the universalization...

The formal commencement of the Guangdong-Hong Kong-Macau Greater Bay Area project (hereinafter referred to as GBA) was confirmed by signing the framework agreement on deepening the Guangdong-Hong Kong-Macau cooperation in the development of the GBA in 2017. The area including 9 cities in Guangdong and...

This study aims to investigate the socio-cultural and ecological dynamics of local communities in adaptive mechanisms on Rammang-Rammang karst region in response to crises threat, aiming to offer significant understanding for the sustainable administration and preservation of biodiversity in the karst...

The surge of text-to-image diffusion models is an innovative step in the development of generative artificial intelligence. However, when the model is applied in production, the lack of precise control is a critical constraint. There are existing methods that introduced singular control modalities. The...

Building a performance evaluation index system for professional construction of "double high" colleges is the need to promote and improve the construction and management of the national "double high plan", it is the need to High quality complete the "double high plan" of...

The objective of this study is to examine the impact of independent variables on dependent variables over both the short and long term. The study examines interest rates, government spending, and risk as independent variables, with investment as the dependent variable. The analysis utilized time series...

Many students’ classes had to be moved online due to the global pandemic of 2020, and many teachers started teaching online without much to no preparation for best practices. The customization of educating children was harmed, and teachers soon found that it was hard to engage and communicate with kids....

The pandemic of COVID-19 fast-tracked online learning, with the challenge of maintaining student engagement in the process. This paper introduces a multimodal AI architecture that integrates visual, audio, and behavioral data with lightweight deep learning models for real-time energy-efficient student...

With mobile and pervasive computing prevails increasingly today, applications and services in smart spaces should quickly sense the context and adapt to context changing in highly dynamic environment. Personized services are also needed. Now many context models were build according to specific smart...

In this paper, we present a modified imaging algorithm and the target-location method for the general case of bistatic synthetic aperture radar (BiSAR), when the transmitter and receiver move along nonparallel trajectories with different velocities. As a step to a numerically efficient processor, the...

In traffic accident investigation, measurement and location of accident factors using traditional methods is a time-consuming work. Investigators must work on each measurement point to collect data, and then mark the position of the measured point in the scene graph. Due to the low efficiency of manual...

A mathematical model of resistance type superconducting fault current limiter (R-SFCL) is established and the influence to power frequency variation distance relay has been analyzed firstly. Then, it indicates that the input of the superconducting current limiter changes the circuit model before and...

In this paper, the dynamic properties of a planar flexible beam with large overall motion and nonlinear deformation in non-inertial reference frame are investigated. The dynamic response of the present model is compared with that of zero-order approximate model and one-order coupling model. Then changing...

Resources not only mean natural resources, but those hidden within a system itself. By reasonable approaches, the human society can make full use of resources within systems and achieve optimal use of resources. This paper introduces to product design the idea of resource analysis, i.e., an analysis...

Based on the synopsis of electronic information system and technology readiness theory, this paper puts forward the technology readiness model and the technology readiness levels of electronic information system, sets forth a series of technology readiness criteria, gives an application of technology...

The overall situation in middle and small-sized enterprises in China is that management level and science quality of CEO (person in charge) are not high, with poor executive ability, while management level and employees are relatives in most private enterprises of middle and small size. Various subjective...