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The paper mainly discusses the invention of an intelligent bird-repellent device based on the Raspberry PI--an open source hardware platform. Based on Raspberry Pi development board, embedded system is used. Python language is used based on Linux system. By controlling of the GPIO pin, detection of ultrasonic...

So far Chinese fishery culture has played a more and more important role in social development and embodied the beauty of traditional civilization and modern civilization to a certain extent. It is a long-standing tributary in the whole cultural river of the Chinese nation. However, from the current...

Damper is an important part of vehicle suspension system, containing the nonlinear vibration system of elastic force and damping force, this system generates vibration excited by road irregularities and vibration source such as engine. To solve shortcomings of the traditional vehicle that consumes energy...

Compressive deformation behavior of Mg-5Sn-2.5Pb magnesium alloy was investigated at the temperature range from 250 to 450°C, strain rate range from 0.001 to 10s-1 and the maximum deformation degree of 60% on Gleeble-3500 thermal simulator. The constitutive equations were established by taking peak stresses...

Currently, wall construction predominantly uses red bricks, lightweight bricks, concrete blocks, and panels. Research related to value engineering also focuses on these materials. In terms of cost, red bricks are cheaper than lightweight bricks and precast panels. Innovations in construction are continuously...

This paper analyzes the importance, feasibility, characteristics, influencing factors and methods of innovation and entrepreneurship course teaching, which is of great significance to the cultivation of innovative and entrepreneurial talents.

The development of a new generation of high performance gas turbine engines requires gas turbines to be operated at very high inlet temperatures, which are much higher than the allowable metal temperatures. Consequently, this necessitates the need for advanced cooling techniques. Among the numerous cooling...

In this study, Zn-30Al-1Cu (wt.%) alloy was prepared by the spray atomization and deposition technique. The microstructures of the spray-deposited and cast alloys were investigated by means of optical microscope, scanning electron microscope and X-ray diffraction. The wear resistance of the alloys was...

A wideband circularly polarized microstrip patch (CP MPA) antenna directly coupled with single feed structure is proposed for wide axial ratio bandwidth (AR BW). The antenna is basically designed for circular polarization and is composed of suspended near square patch with diagonal single feed. The near...

Magnesium (Mg) alloys offer exceptional strength-to-weight ratios and lightweight properties, making them attractive for aerospace, automotive, and biomedical applications. However, their susceptibility to corrosion poses significant challenges. In the present study Mg is alloyed with 5.5%Zn through...

Hot stamping is an energy-efficient and low-cost way to produce automotive parts. The hot stamping production line has a high degree of automation and a good digitalization foundation. Due to the lack of a complete information system in most workshops, the digitalized production process data often lacks...

A chatbot is an artificial intelligence (AI) system that mimics human-like conversations through text chat or voice commands. It can be integrated into messaging applications to provide customer service and support, and many companies across various industries have implemented Chatbots to interact with...

Proposed equivalent item extraction based on contradictory truth table logic function algorithm, gives details of the algorithm implementation process. Select the one with eight inputs, two outputs of the chip to work waveform genera Test. Test results show waveforms attribute recognition model designed...

The riding comfort is the essential pursuit for car option and the car suspension system contributes the most effect to car riding comfort. Hence, research of suspension system has become one of the most imortant issues for vehicle riding comfort. In the paper, The study aims to design develop a new...

Hybrid composites of AZ91D magnesium alloy with boron carbide (B4C) and zirconia (ZrO2) were created using the stir casting technique. The microstructure of the composites showed that the distribution of reinforcing phases was heterogeneous. To study the tribological properties of the manufactured composites,...

The tool pin profile on Friction Stir Welding (FSW) has great influence toward the result of welding. The tool pin profile is one of the vital factors influencing the result of welding such as the microstructure and the mechanic characteristic on the joint of Weld Nugget (WN). This study aims to analyze...

Integration between the Industrial Revolution 4.0 and the education sector requires teachers and students to utilize nowadays technologies, one of them by using Padlet. Padlet is a web-based application that enables users to write or pin-up files such as pictures to the virtual walls on Padlet. This...

There are usually some leftovers (usable pieces of raw material) and scraps (unusable pieces of raw material).generated after the completion of a manufacturing process. These leftovers consist of many different types, materials, styles and sizes so the use of such materials is difficult to manage, resulting...

Support Vector Machine (SVM) is an influential and fashionable statistical learning technique for binary classification and regression. The generalization performance of SVM highly depends on proper tuning of the penalty parameter and kernel function parameter(s). An original technique is proposed to...

Virtual training system is important to improve the force operational capability. Due to urgent training needs for new type howitzer, the virtual training system was established based on analysis of a variety of training methods. From the system characteristic, the function modules were designed. Methods...

Parameter optimization of Support Vector Machine (SVM) is an important research problem, because it is critical for establishing an effective SVM with excellent generalization. This study develops a novel and efficient method to solve this problem by nesting two particle swarm optimization (PSO) algorithms...

As new structural composites, X-cor sandwich effectively improves the mechanical properties of the foam sandwich in thickness direction due to its high specific strength and specific stiffness. In this article, by introducing the correction coefficient, the modified calculation model of X-cor sandwich's...

Coffee husk is one of solid coffee waste that contains the amount of phytochemical composition, including saponin. Saponin is a valuable compound for human and animal health. This research analysed and compared the saponin value of three species of coffee husk that originated from southern Thailand and...

There is flexible impact during the driving of straight geneva mechanism. Therefore, geneva mechanism with combined contours is proposed. The design method of cam contour is adopted in new geneva mechanism (back seeking cam contours according to follower motion). And ADAMS is adopted to carry out the...

Electromagnetic pulse (EMP) protection technology is becoming a focus of attention, especially in the defense of electronic equipment, infrastructure and communication systems. EMP is a sudden electromagnetic radiation phenomenon, whose potential destructiveness threatens critical systems in modern society....

In education training, professional development is the primary goal of curriculum design, good curriculum design is the guarantee to dispose professional development. If there is no connection between professional development and curriculum design, the problem that teachers’ training lacks pertinence...

Taking density function of continuous random variables in probability statistics as an example, this paper analyzes the learning mode and psychological mechanism of mathematical concepts in undergraduate business schools based on Bruner’s discovery teaching theory. This paper discusses the process and...

A data acquisition system has been designed to capture the vibration signal for the engines. A test has been carried out for the vibration signal acquisition of piston knock and piston pin knock of 5.9L Cummins 6BT diesel engine. The test data has been processed by continuous wavelet transform. The scale-energy...

The experiment of running-in was carried out on the pin-disk test machine. Then the images of surface topography were taken by OLYMPUS optical digital microscope. In order to identify these images, the arithmetic of discrete wavelet transform(DWT) and fractal box dimension which used to describe the...

How to properly handle the relationship between general education and specialized course education, and then promote fusion development of them, is a key issue for comprehensive implementation of quality education and cultivating high quality talents. Fusion development of general education and specialized...

This study focused on the recycling of tea waste and developing circular economy of tea industry, through experiments and literature analysis, we found components of tea waste, and concluded that tea waste contains tea polyphenols, cellulose, lignin and other components. Molding experiment was performed...

The purpose of this paper is to ascertain the meshing point position of the cycloidal-pin wheel, which is the basis of studying the transmission performance of RV(Rotate Vector) reducer in robot. In terms of the general theoretical tooth profile equation of cycloid gear in RV reducer , the space meshing...

Graduation design (thesis) has a very important role in training high quality talents in the university. This paper put forward a multi-level practical teaching system based on graduation design (thesis) .The construction method of this system is to take the school of management of Xiamen University...

We’ve designed a photoelectric sensor to detect the concentration of SO42- solution with a vertical capsule which was immersed into sample solution derectly. The system contains a pair of light-emitting diode (LED) and photosensitive diode (PIN) packaged with cover of semi-sphere shape. Theoretical analysis...

The remanufacturing cost of estimation, the accuracy of the estimates and the time it takes to produce cost estimates are important factors to remanufacturing organizations. This paper constructed and trained a back-propagation (BP) neural network to forecast the remanufacturing cost of engineering machinery...

Coated ultra-high strength steel (UHSS) has been used in the hot stamping process. The high-temperature friction and wear of coated UHSS during hot stamping may affect its formability and tool life. The effect of temperature on the friction behaviors of alloyed galvannealed (GA), galvanized (GI) and...

Mechanical design and manufacturing is the basic industry of national economy.Its production level is an important symbol of a country's economic construction.With the innovation and development strategy puting forward,The cultivation of creative design ability about machines of college students' becomes...

This paper uses data analysis method, interviewing method and questionnaire method to survey and analyze the teaching content and evaluation of basketball classes in Beijing higher vocational colleges. The results show that the basketball classes’ teaching time is not enough, and basketball teachers...

This paper attempts to provide a thorough allocation model of educational finance for Goodgrant Foundation, with different kinds of factors taken into consider. In order to fulfill the optimum allocation of funds and pin down a favorable investment strategy, we build two models to research into school...

Aluminum alloy hot stamping is an important means to achieve automobile lightweight, and the friction and wear caused by aluminum alloy adhesion in the production process is an inevitable problem. Lubrication can reduce friction and wear, but there is no special lubricant for aluminum alloy hot stamping,...

Aluminum 6061 is a material that is widely used in the railway manufacturing industry. Friction Stir Welding (FSW) is a solid-state welding method without the addition of filler metal. FSW utilizes heat between the rotating tool and the gripped workpiece so that the heat generated is soften and melt...

Complex function teaching essentially focuses on theoretical studying rather than practical application with respect to the properties of theoretical and abstract complex function course. This paper proposes a combination of mathematical modeling with complex function teaching, discusses a promising...

Web page prediction is a popular personalized service on the Web and has attracted much research attention. One of the most successful and widely used approaches is collaborative filtering. Traditional collaborative filtering requires explicit user participation for providing his/her interest to the...

From four aspects introduce the experience of improving the teaching quality to cultivate innovative talents in Changchun University of Science and Technology all the time. Specify student-centered to carry out the research-oriented teaching, teachers as a fundamental, teaching and research in parallel,...

According to the research of Li Kaiyuan, the foundation of the regime in the early Western Han Dynasty was the class named Military Meritocracy, but there were various groups and clans existing in this huge class, and the most influential group was the group of generals. The members of this group were...

We evaluate a scheme of single-relay network coding based on 4FSK (4 Frequency Shift Keying) modulation. Firstly, a loose upper bound BER (Bit Error Rate) of 4FSK is derived in the presence of frequency offset in the direct link. Secondly, 4FSK modulation is utilized in the three-slot two-way relay network...

With the rapid development of urbanization, the improvement of living standard and the conversion of lifestyle, municipal household garbage treatment is becoming a challenging issue. The hierarchical analytical method is used in the present paper to establish a classification model on the waste reduction,...

Based on the data of the gold plate published by China's securities market from January 26, 2018 to August 7, 2019, took the winning rate, annual return rate and net profit rate as the management targets, and use MA expert to test the above data. The results have shown that for the gold sector, the MA...

This article aims to describe the role of merchandise in building and developing the impression of an institution, including in developing the reputation of a university. In specific, this article analyzes the strength of merchandise in introducing Padang State University at the national and international...

To enhance the successful rate of enterprises adopting cloud computing, understanding factors influencing enterprises adopting cloud computing is important. Therefore, this study collects the factors affecting the use of the cloud computing service from literature review to establish a three-layer hierarchy...