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Luckin Coffee, which is a new Chinese local coffee brand, opened its first store at the end of 2017, and then rapidly expanded. It only took one and a half years to break through 2000 stores and be listed on NASDAQ in the United States. Now, the number of offline stores exceeded 4500, overtaking Starbucks...

Any member state of the European Union can have a right to leave the union based on the withdrawal agreement presented in Article 50 of the Treaty of Lisbon. The United Kingdom in 2016 successfully held a referendum in 2016 to leave the European Union, which came to be popularly known as Brexit. Small...

Based on the characteristics of low investment and quick effect, co-branding has been widely applied in the marketing circle, but it still faces enormous challenges. The traditional joint model with high asset and low popularity cannot keep pace with the increasingly diversified social environment. The...

This thermostat designed is for lab, with PID algorithm applied. The hardware includes PIC16F887 as processor, the 16-bit - A/D ADS1100 conversion as forward simulation, the thermal resistance PT100 as temperature sensor. The testing and control procedure is fixed by cooling and heating interaction.

Wahaha was founded in 1987 under the leadership of its founder Zong Qing Hou. The company started with three people and an investment of 140,000 yuan,then gradually developed into a mega-leading food and beverage enterprise group company, which is currently the largest beverage manufacturing company...

Based on Optimal Latin Hypercube Design (Opt LHD) method and Particle Swarm Optimization (PSO) algorithm, this article presents a method for tuning PID control parameters of quad-rotor. Firstly, the range of 15 PID parameters are obtained by experience. Within the range of the PID parameters, Opt LHD...

Applied innovative talents cultivation is the main goal of colleges' and universities' talent cultivation. From the whole developing process of higher education, it is the inexorable trend that teaching and research development is to cultivate students' applied innovative ability, engineering design...

Intimacy is one of the most important aspect in marriage. There are seven types of intimacy namely emotional intimacy, social intimacy, intellectual intimacy, sexual intimacy, spiritual intimacy, recreational intimacy, and aesthetic intimacy. From the existing phenomena, it is seen that there are many...

Based on the model of coordinated control object, this paper firstly eliminates the strong coupling between the input and output variables using feedforward compensation decoupling method. The fuzzy adaptive PID controller, using the decoupled model, is designed and optimized for the main steam pressure...

Due to the increasing trend of global warming caused by man-made carbon dioxide emissions, people pay more and more attention to this problem. Anthropogenic carbon dioxide emissions have promoted the progress of global carbon use and storage (CUS) projects. Taking Incopat, Scopus and Web of Science databases...

This paper puts forward the structure scheme of dual winch with separation of storage and a traction mechanism. In view of the problems about the existing cable arrangement of single drum winch retracting long deep-sea detector cable where the tension is uneven. Whereas the traction winch with double...

The temperature is an important parameter for resistance furnace among the industries. Its nonlinear characteristics makes it is difficult to be controlled, therefore it is necessary to find out an effective method to get the resistance furnace temperature under control. The hybrid particle swarm algorithm...

Aimed at the distinguishing features, namely, high salinity, high pH value, unstable water quality and quantity, of the subsiding water from cropland in the Yellow River irrigation area of Ningxia, static adsorption experiments were carried out to remove ammonium nitrogen from the aqueous solution by...

Nowadays, the rapid development of UAVS has a great application prospect both in military and civilian areas. However, the short duration of the UAV has limited the continuity of its work , and it need someone to replace the battery. We propose a UAV autonomous charging method of the multi-information...

Climate change poses severe risks to developing countries, where weak institutional capacity and dependence on climate-sensitive sectors exacerbate vulnerabilities. In this context, governance and public participation are essential to ensure that adaptation strategies are equitable, transparent, and...

In multiuser MIMO uplink communications, it is necessary to design linear schemes that are able to suppress co-channel interferences(CCIs). Block diagonalization(BD), which can achieve good CCIs suppression, has been extensively studied to solve the issue. However, with the scheme we cannot obtain extra...

With the globalization of the economy, learning a second language is becoming more and more important in more and more countries. We all know that classroom teaching is one of the important forms of learning and that there are two opposing classroom forms, the teacher-centred classroom and the student-centred...

This study aims to determine the effect of work environment and job satisfaction on employee organizational commitment at PT XYZ in North Jakarta. Researchers distributed questionnaires to all field workers in a company with a sample of 60 respondents using purposive sampling. The data analysis method...

In the global economic integration and the rapid development of science and technology background, the main factor productivity increase gradually from the traditional factors of production into knowledge resources and science and technology, science and technology and economic integration, scientific...

Hunan Modern Logistics College has established in-depth cooperation with Hunan Shunjie Logistics Co., Ltd. to develop and practice the "modular" automobile manufacturing supply logistics training project in off-campus training base of logistics management major in higher vocational school. The meaning,...

Teenagers are the foundations for the harmonious development of the country and society. However, with the continued decentralization of media power and the increased discourse power of teenagers, more school bullying incidents have been exposed to the public, including isolating, physical bullying,...

Dengue Hemorrhagic Fever (DHF) is a mosquito-borne disease that occurs in tropical and subtropical areas. This disease is an acute febrile disease caused by the dengue virus, which causes headaches, pain in the eyes, muscles, and joints to spontaneous bleeding. The Indonesian Ministry of Health recorded...

This paper conducts a bibliometric analysis of the literature on smart city research in the past 12 years to reveal the development status of smart city research and explore its development prospects and trends. The 1109 CSSCI documents were searched through CNKI, and CiteSpace 5.8.R3 software was used...

Financial fraud endangers the development of the capital market and damages the interests of the enterprise itself, creditors and other stakeholders. With the development of China’s capital market, the prevention and punishment of financial fraud is strengthening, the implementation of the new “Securities...

During the process of warm water isostatic pressing process, the internal micro-channels fabricated in Low Temperature Co-fired Ceramic (LTCC) substrate are prone to collapse. In this paper, a three-dimensional model of LTCC microwave component is established by the finite element software ABAQUS, and...

Financing is the main obstacle to restricting students to start a business, lack of funds called the university students business, "the first difficult." In recent years, with the threshold is low, flexible and other characteristics of the emergence of public financing model and the development of a...

Establishing the mathematical model of energy consumption of chillers, pump, cooling towers, air conditioning units and coils in the conventional air conditioning system. Analyses energy consumption factors from experiments and simulations to provide the optimized variable flow scheme for the whole central...

This study aims to comprehensively map the evolving knowledge structure of public service policy within the era of digital governance using a combination of bibliometric and thematic analysis. The digital transformation of public administration has redefined how governments design, deliver, and evaluate...

In order to obtain good circular polarization, parallel metallic plates are used for large-scale rectangular waveguide slot array antennas to achieve pure linear polarization at first. It is found that these plates not only suppress cross-polarization, but also influence the original amplitude distribution...

The optimal allocation of scientific and technological resources in high-tech industries is of great significance to promoting the coordinated, sustainable and high-quality development of the economy. Based on the subsystem of scientific and technological resource allocation capacity and the subsystem...

The optimal design for computer control software is studied. Since computer control software is susceptible to interference during the control process, a computer control software design model based on improved PID algorithm is proposed. The PID algorithm is combined with particle swarm algorithm to...

A hydraulic directly operated reducing valve driven by Giant Magnetostrictive Actuator(GMA), which is used in a vehicle, is designed in this paper. The mathematical models of GMA and reducing valve are established. And then use of Matlab and AMESim analyzed the influence of theirs structure parameters...

This paper mainly adopts the method of combining qualitative and quantitative research to analyze the influencing factors of the integrated development of cultural and tourism industries in Guangxi, and empirically analyze the development level of the integrated industry of cultural and tourism industries....

Fetal brain abnormality detection is a vital task in prenatal care, requiring the precise and efficient analysis of medical imaging data to ensure early diagnosis and intervention. The study introduces an advanced classification framework that synergizes Convolutional Neural Network (CNN), extraction...

Co-generation central heating is a kind of recognized energy saving and environmental protection technology. In recent years, the technology has been developed rapidly, and it is also the main direction of the future development. This paper constructs a primary index system including 6 indicators of...

As the most commonly used method in speed governor for marine diesel engine, PID control method is not very effective for nonlinear systems with big variation of parameters. To improve the dynamic precision of diesel speed governor, a fuzzy PID hybrid controller of parameter self-adjusting is put forward...

The working environment of engineering mechanical arm hydraulic drive system is complex. The response indicators of the hydraulic drive system need a higher requirement. The conventional PID control method is limited to the complexity and imprecision of the mathematical model of the hydraulic drive system,...

Based on social constructivism, Project-based Learning (PBL) is a student-centered teaching model built to address complex and challenging authentic problems, in which students’ co-construct core knowledge and apply the knowledge. PBL has obvious advantages over the traditional teacher-centered model...

In recent years, tilt rotor aircraft has been greatly developed because of its excellent performance. However, because of the complicacy in transition mode study on this aircraft is needed. In this paper a six degrees of freedom dynamic model of the tilt rotor aircraft was established, and PID controller...

Covid-19 pandemic has a broad impact on the habits of the community, especially for students and housewives in fulfilling their needs. Government recommendations to comply with health protocols with social restrictions cause them to prefer shopping online. Some factors that are thought to influence online...

In recent years, the rapid development of the socialist economy has promoted the rise of the express delivery industry, which occupies an indispensable position in the modern service industry. However, there is a relative lack of theoretical and applied research on the valuation of express delivery enterprises....

Based appear for magnetic navigation system for substation inspection robot navigation course accumulation of errors phenomenon, fuzzy PID control algorithm is applied to inspection robot navigation system, navigation path through the logic of correction, to achieve stability navigation. On the movement...

PEMFC (proton exchange membrane fuel cell) Stack temperature control system is a strong-coupling system with characteristics of time-change, long-hysteresis, uncertainty and nonlinear. The dissertation studied PEMFC stack temperature control used by BP neural network controller which has a good control...

The development of modern rural tourism industry is not independent. To realize the development, we should pay attention to the relationship between tourism and agriculture. It can promote the internal and external construction symbiosis model through the application of resources. Through strengthening...

In this paper, a general mathematical model is shown through the mathematical analysis of the magnetic bearing. The linear expression of relationship between the electromagnetic force, the deviation of the displacement and control current of is provided by the finite element analysis, with Maxwell 3D....

This paper refers to the HAPC of 400mm single stand reversible cold rolling mill, establishing mathematical model, simplifying and reducing orders for system transfer function on the foundation of reasonable assumption. This paper also designs PID and LADRC for reducing order model and uses fuzzy adaptive...

Adaboost algorithm based on Haar-like feature and integral image is made up of cascaded classifier, and the computation is very large. This paper uses the hardware and software co-design for implementing the face detection system on Zynq-7000.And realizes the functions of video acquisition, processing,...

At present, how to use computer technology to automatically identify the relationships between thesaurus of equivalent, grade and related semantic relationships automatically is a key point and also a difficulty for the automatic construction of thesaurus. This paper introduces three typical of concept...

Aiming at the problem of air charging safe, high efficient and energy-saving with pneumatic gas booster ,a constant pressure air charging system was designed to rapid filling respirator ,and the fire respirator`s com-pressed air bottle fast filling station was transformed into air charging experiment...

Accelerating the Management of Corona Virus Disease (COVID-19), the Government regulates the Implementation of Large Scale Social Restrictions established by the Minister of Health. Based on Presidential Decree number 11 year 2020 and PP no 21 year 2020 Universitas Negeri Surabaya needs to take a role...