Advances in Engineering Research

According to a given joined-wing aircraft, based on the DATCOM calculation data, under typical cruise and stable hover flight conditions, cases are considered with and without the relaxation of static stability technique. The actual lift-drag ratio of the joined-wing layout and conventional layout is...

Selaginella plana (Cakar ayam) is one of the ferns that grow widely in Indonesia and has been used by the community as food, ornamental plants and traditional medicines to treat wounds, respiratory infections, liver disorders, urinary tract infections, fractures, rheumatism, cancer and increase the body...

Soil condition in construction has an essential role because it can trigger a construction failure. Generally, before construction is carried out, a soil investigation process is conducted to gain the soil data in the form of parameters needed to design construction; one of them is the plasticity index...

Renewable Energy (RE) is one of the energy sources widely used to meet the continuously increasing demand for electricity while reducing the use of depleting fossil fuels. Off-Grid Solar Power Plants (PLTS) are part of RE that utilizes solar energy as the primary energy source. In such systems, batteries...

The high CaO content in chicken egg shells can be used as a raw material for heterogeneous catalysts by the calcination process. This study aims to determine the effect of CaO catalyst impregnation temperature and the effect of catalyst addition in the production of Used Cooking Oil Biodiesel. Catalyst...

This paper proposes a cross business data fusion technology solution, which effectively solves the data access of different systems through an asynchronous data aggregation method combining push and pull. Through multi-layer asynchronous method, it solves the consistency of user schedule display and...

Development of EDA technology has changed the traditional electronic design methods. Widely used in large-scale FPGA and other programmable logic devices, electronic design and software programming becomes as easy and quick. Advances in electronic design technology, but also changed the traditional frequency...

How to protect the coal yard by monitoring the temperature of spontaneous combustion of coal is an important guarantee of the safe operation of thermal power plant. This paper for the strip coal yard, by using the Inverse Heat Conduction Problem Analysis to calculate the temperature within the coal pile,...

Water Footprint, as a quantified indicator to evaluate environmental impact, is popular in both direct and indirect water use of a product or service as well as supply chain management optimization. Agriculture sector is the largest water resource consumer and corn seed is not only a kind of agricultural...

"Internet+" provides new ideas for the development of traditional industry will bring profound influence on industrial production and operation. The "Internet+ animal husbandry" is to integrate new internet technologies in each production links of animal husbandry and finally realize "intelligent" animal...

This paper first introduces the necessity of the trend of development and technological change, through introduce the latest developments in AC speed regulation technology on development of elevator technology. Compared with the PID controller and fuzzy PID controller anti-interference ability, the fuzzy...

Path planning is an important task in the field of robot. A new method of dividing genetic algorithm(GA) process is proposed,which is different from the traditional method that considers smoothness in GA process. After calculating a path using simplified GA method with a variable length coding, a new...

A novel method is established to analyze the dike slope failure mechanism research in this paper. First of all, it improves a serial of operations, and boundary conditions for the genetic algorithm, such as the crossover operation, mutation operation, the operation and the convergence condition, then...

To describe the financing coefficients of small and micro enterprises, this paper use price elasticity to build the concrete form of it, basing on Amartya Sen entitlement approach. According to 71 small and micro enterprises' detailed survey data, the paper set up a Log-Linear Model to calculate the...

Estimation of the fatigue life of pipelines under the random load was carried out. The power spectrum density of the stress on the dangerous location was calculated by the finite element method. The frequency method was implemented into the vibration fatigue life prediction. The applicability of the...

Objective: This work aimed to investigate the accumulation of total triterpenoids, individual ganoderic acid (GA) content and expression of four important biosynthetic genes during fruiting body development in Ganoderma lucidum. Methods: Individual GA content was determined by high performance liquid...

The three layer equipment of IEC61850-compliant Smart Substation connecting directly to the Ethernet for the benefit of information transmission and sharing. However, it also brings certain information security risks. This paper proposes evolution ring based message security control scheme, which uses...

In this paper, numerical analysis of the high speed and small herringbone groove hydrodynamic lubricating bearing’s bearing capacity,rotational speed effected on the bearing’s eccentricity ratio and temperature rise, film thickness,oil film pressure distribution was solving by Reynolds equation under...

This paper raises the question of the status of the building waterproofing and the facing technical route background and significance of the research, content and research. On the basis of the current problems in the domestic construction waterproofing industry development and management analysis on...

On the basis of deep analysis on the structural features and heading features of documents, it has researched the classification method based on templates and the classification method based on statistics as well as the sequence labeling method based on CRF (Conditional Random Field), then proposed to...

In order to improve segmentation of spray painting character in the slab surface, in this paper, we propose to improve the picture quality by image enhancement and filtering, segmenting image from coarse to fine to solve problem in character image segmentation stage step by step. Local dynamic thresholding...

To improve forecasting accuracy of the generated energy of regional small hydropower stations, it is proposed a forecasting method of regional small hydropower generation considering the cumulative effect of rainfall.In this paper, the meteorological data was classified by using decision tree firstly....

Based on the method of equivalent replacement beams(ERB) and superposition method for computing deflections of beams, deformation computation of statically indeterminate beams with the method of ERB is discussed. First, the method of ERB is introduced. Second, the conclusion of deformation computation...

The demand of mass data services brought by the mobile Internet and the Internet of things makes the traditional mobile communication spectrum resources become saturated. The high frequency millimeter-wave 5G is becoming the subject of extensive research in the industry. This paper selects the most representative...

Multi-layer cellular workpieces are used to manufacture fuel tanks, as well as the external hulls of aircraft. These designs are characterized by low weight and high strength. Monotonic formation with inert gases looks promising for the manufacturing of large workpieces. This article presents an approach...

Taking iron nitrate as iron source, Fe-doped TiO2 nanotube arrays with Fe3+ inclusion were synthesized by using anodic oxidation treatment. Simultaneously, the photocatalytic activity of this catalyst was measured by using photo-induced degradation of methyl orange. The results showed that Fe3+ inclusion...

In recent years, the application of CDIO education model has shown good effect in the teaching of engineering courses, while TOPCARES _CDIO is an attempt to localize the CDIO engineering education model. In view of the advancement of the educational concept, the systematization and wide adaptability...

Solar energy is an energy source that is widely used because it is free energy, eco-friendly and very abundant, especially in tropical countries. However, the energy obtained from solar energy is inconsistent and is heavily influenced by environmental factors. Recently, many researchers have developed...

Automatic Dependent Surveillance―Broadcast (ADS-B) is an emerging means of aeronautical surveillance for air traffic control, in which aircraft periodically broadcast positional updates to ground stations. ADS-B is high performance, but anomaly positions should be detected and removed for safety and...

The mined-out areas of small coal mines are characterized by strong concealment and irregular distribution, and the deformation and failure mechanisms of overlying rock and soil masses in these areas present significant technical challenges for stability analysis in surface engineering construction....

Bengkalis Island is located between the island of Sumatra and Malaysia and is surrounded by the Melaka Strait and the bengkalis Strait. The Melaka Strait and the bengkalis Strait are the traffic of ships such as import-export ships, company ships, passenger ships, freight ships, fishing boats, passenger...

The sustainable urban ecological system is of great significance for building high-quality ecological spaces in cities and realizing regional environmental value innovation. However, there is a lack of systematic evaluation and quantification of ecological sustainable spatial planning indicators today....

Reinforcement with waste tires is an emerging method for enhancing the performance of road subgrades. To investigate the effect of tire burial depth on performance of subgrade, a numerical model was established using FLAC3D to simulate and analyze settlement, soil pressure distribution, and maximum stress...

Leveraging the case study of the Daba Mountain Tunnel project within the AL-C20 section of the Anlan Expressway, this paper investigates, selects, and validates various technologies suitable for the construction of longitudinal incline shafts. It assesses the merits and demerits of these technologies...

In this industrial revolution era, many high/medium risk machineries were implemented without safety certification from authorized third party due to expensive additional costs. To deal with that issue, this research applies internal risk assessment by following ISO 12100 standard to a case study involving...

In view of the destructive influence of mechanical self-noise on sonar's detection capability at lower frequencies, a parametric model composed of panels and a water filled rectangular cavity is established for investigation of characteristics of hydroacoustic field caused by mechanical excitation loaded...

This paper used the discrete element method to simulate the continuous mixing process and defined the time that the particles participated in mixing in the mixer was defined as the effective mixing time. The effects of different structures and rotational speeds on the mixing efficiency were studied by...

NFC (Near Field Communication) technology is convenient for people's lives, but because of the abundant personal information contained in NFC cards, which can create a hidden danger for the leak of personal information. The existing NFC signal shielding cover is completely wrapped with a thin aluminum...

The ultrasonic-microwave synergistic extraction process parameter of Tengjiao (Zanthoxylum schinifolium) oil, such as time, temperature, ratio of solid to liquid, microwave power and ultrasonic power, have been studied by orthogonal experiments. The results indicate that, using colza oil as the extraction...

the traffic lights on urban road intersections is one of important methods to control the traffic flow, it can valuably improve the jammed traffic situation. In this paper, an adaptive traffic lights control method on urban road intersections is designed in, it can actively adjust the control time of...

Due to limited resources, wireless video sensor networks (WVSN) needs low complexity methods to realize video capture and compression. Recently, distributed video coding (DVC) has emerged to reduce the video encoding complexity with a certain coding efficiency. Furthermore, compressive sensing (CS) has...

The interactions of chlorotetracycline (CTC) and enoxacin (ENX) with human serum albumin (HSA) had been studied by molecular modeling method. Molecular docking revealed that both CTC and ENX bound to site I (subdomain IIA) of HSA through multiple interactions, such as hydrogen bonds, hydrophobic effect...

The surface cleanliness grade of some steel structures which are in the harsh environment such as in tidal and splash zone or are hard to construct on site is difficult to meet the requirements of high grade such as cleanliness grade Sa21/2 (ISO 8501). There may be water, rust and original coating on...

Manganese oxide/mesoporous carbon (MnO2/MCs) spherical composites were prepared by hydrothermal method. The resorcinol and potassium permanganate were used as carbon source and manganese source,respectively. The morphology and pore character of the carbon materials were investigated by scanning electron...

This article touches upon the issue of environmental safety of technological processes of renovation work in building and construction. The process of buildings dismantling and waste demolishing is characterized by various types of work associated with mechanical effects on building structures and materials,...

Under the background of low accuracy of existing indoor positioning technology, serious wireless resource consumption and complex system implementation, this paper studies the indoor positioning technology based on visible light communication and designs a visible light indoor positioning device. The...

To study the legal robot based on WeChat, the construction and implementation of the model-based Chinese pronoun digestion overall algorithm framework were elaborated. Then, the overall structure, module design and system display of the system were introduced in detail, and pronoun resolution and omission...

Observance of the depth of sowing of grain crops within the limits established by agro technical requirements is a guarantee of high yield. When the disc coulter moves in the soil, a variable resistance force acts on it, which affects the seeding depth and the qualitative characteristics of the shoots....

The relevance of the problem of producing clinkerless binders is well known, since the production of cement on a clinker basis is a very difficult technological process, requiring serious financial expenses. It is also environmentally controversial, due to the fact that the burning process releases a...

The study considers sixteen functions of the first degree that were used for the analytical presentation of the aggregate size characteristics by "plus" of the Kuznetsk basin coal in the size range from 0 to 300 mm. The computational experiment was carried out for 500 aggregate coal size characteristics....

The characteristics of new energy are points more, wide distribution. This article in view of the traditional fixed field test cost a lot of manpower and material resources and financial resources of the status quo, put forward by applying Internet technology to realize remote test and intelligent analysis...

In this paper, by using Cauchy inequality, monotonicity of functions, Hilbert type inequality with finite series version is established

With the adjustment of the urban planning and the adjustment of industrial structure, many of the early urban industrial areas had gradually lost its original function, and entered a period of decline especially the port area. It is an urgent problem in urban planning, the problom that the original industrial...

Ultra-high toughness cementitious composite (UHTCC) macroscopically exhibits tensile strain hardening characteristic and excellent crack control ability due to steady development of multiple fine cracks, and therefore can be regarded as a promising repair material. Shear tests were conducted on RC beams...

The majority of farmers in North Maluku are planting cash crops such as coconut, nutmeg and clove as their main source of income. In the study sites (Kota Tidore region) Most of the farmer have cash crop as the major agricultural commodities. The central government introduced a national program of increasing...

Failure on reheater tube was rupture. Scale latched on the outer surface and progressively thinning thickness with a minimum thickness of tube rupture at the nearest corner. An analysis of this research is to find the cause fracture mechanism and prevent similar failure. The mechanical analysis used...

Three-dimensional (3D) scanning has been used widely for prototyping. However, sometimes the object is not successfully reconstructed into a 3D model. One of the important parameters in the mesh generation is the radius threshold. This study aimed to investigate the effects of the radius threshold on...

A simulation of shoreline change at Talise Beach in Indonesia has been conducted, with an emphasis on analyzing the impacts of the 2018 Palu Bay tsunami on the rapid coastal morphological change and validating the effectiveness of the GENESIS numerical model in simulating shoreline changes. Indonesia’s...

With over 900,000 residents arriving since 2017, the Rohingya refugee crisis in Cox’s Bazar, Bangladesh, has created one of the largest and most concentrated refugee populations globally. This rapid influx has strained local infrastructure, particularly water, sanitation, and hygiene (WASH) services,...

In this study, the Zn-30Al-1Cu (wt%) alloy and TiB2/Zn-30Al-1Cu composite were synthesized by the spray atomization and deposition technique. The microstructures and mechanical properties of the spray deposited alloy and composite were studied using scanning electron microscopy (SEM), transmission electron...

A logistical network is related with traffic networks, information networks, multiple goods networks in general. In the view of mathematics, a logistics is the compound result of three or more other networks. We design random multiple models by network operations based on stable transport networks, and...

Transfer entropy provides a powerful information theoretic measurement of directed information flow between time series variables. Effective and convenient methods of estimation are desirable in practice. This article discusses the formulation of how to estimate transfer entropy via the statistical copula....

The two-stage co-processing of coal with medium-density polyethylene (MDPE) was investigated using ammonium tetrathiomolybdate (ATTM) as a catalyst. The first-stage plastic pyrolysis carried out at 420 °C, 6.0 MPa hydrogen pressure and HZSM-5 as catalyst. The second-stage coal and MDPE co-liquefaction...

Considering a linear or exponential trend in unit production cost under a foreseeable time horizon, this study discusses the economic production quantity (EPQ) with shortages problem for a production system. A genetic algorithm (GA) with the chromosome of real number type to solve this problem is presented....

A survey on hexapod walking robots and gait planning is presented. For the discrete landing points, the redundant DOF of legs and the impending body, the performance of hexapod walking robots is better than wheeled robots and tracked robots. The prototypes of hexapod walking robots and its up-to-date...

The netting twine of PP/MHMWPE/EPDM was elementarily studied. The result shows PP/MHMWPE/EPDM netting twine is characterized in a high breaking load, when the high breaking load of a netting twine is not degraded. The linear density, diameter,raw material consumption and water resistance of netting gear...

This paper introduces a low-cost and efficient approach to generate 3D models for as-built buildings. Image-based modeling as a passive is an alternative of 3D model generation without a threat of destructive impact to the modeled object. This paper demonstrates the applicability of image-based modeling...

Persistent Organic Pollutants (POPs) are huge groups of chemicals that are associated with a variety of human health problems. They have a long residual, bioaccumulation, semi-volatile and high toxicity and they can migrate through various environmental media (air, water, soil, organisms, etc.) over...

Transmission tower is constructed quickly in China and the foundation of tower should be studied for economical and security reasons. A simplified analytical is presented for the mechanism of the new micropiles foundation, which have many advantages in design and construction stage, such as accurate...

In order to overcome the defects of emptying reservoir and abandoning water of discriminant criterion method in inter-basin reservoirs operation, this paper analyses the relationships between K value and its calculating time period, takes the minimum spillage storage line as the guide line of reservoir...

The properties of the inert compositions obtained by liquid nitrogen and water co-spraying are shown. The high performance of inert compositions made of gas-borne ice particles to extinguish underground in worked-out mine area is demonstrated. A reduction in coal reactivity after treatment with inert...

Based on the data obtained from the field survey in the intertidal zone of the Binhai New Area of Tianjin Bay in October 2014, the distribution characteristics of soil organic carbon pool in the intertidal zone were studied. The results show that the highest organic carbon content of soil is 22.913g/kg,...

The conversion time of punching machine tool is the important factors influencing the punching machine production efficiency, it increase the efficiency of the punching machine production.In order to solve the same hole type,it needs many and order limitation cutting toolsto translate. We establish the...

Barrier gate is to achieve the efficient management of cars in and out of the entrance. In this paper, we design the crank-rocker mechanism and the whole structure of the barrier gate. In order to avoid the resonance of the box body and motor exciting vibration frequency, the modal analysis is carried...

Digital speckle correlation measurement method is an important way in the areas of three-dimensional deformation and morphology measurement. It carries the advantages of non-contact, high precision and strong stability. The sub-pixel search algorithm which is used to improve the accuracy of displacement...

Optimal configuration of a regional transport and logistics system should be chosen from the standpoint of the goal of regional development, the environmental component of decision-making, and according to the criteria that determine the advantages and disadvantages of a particular mode of transport....

In order to solve the real time stream forwarding problem of multi source video on heterogeneous networks, a set of efficient signaling request flow and forwarding algorithm is designed to realize the undifferentiated forwarding service and unified management platform for different vendors and different...

The article presents analytical equations for determining the relative pressure losses in suction and discharge processes, both including and excluding the liquid compressibility; they were obtained based on an analysis of the approach to determine the relative pressure losses in the suction and discharge...

With the continuous development of China's computer technology, China's numerical control technology has also been widely used, concentrated in the process of processing complex parts. In the actual application of digital control technology, its operability is relatively strong, and has a strong portability...

Intelligent substation system joint debugging is the key link in the course of the construction of intelligent substation, this paper puts forward the lifecycle management model based on the RFID information integration. Together with the present situation of intelligent substation system joint debugging...

This paper analyzes the characteristics of campus network and focuses on the key issues of campus network security prevention. The prevention strategies are analyzed from intranet security monitoring, network operation and other aspects, and the structure of campus network security system is designed.

This paper introduces the application of dynamic milling technology in the mastercam software, and makes a further study on the processing technology of aluminum alloy workpiece. With the development of the industry, Aluminum alloy is in widely application in various fields, but due to its rigidity of...

Attacks and defenses have always been the focus of information security. If some new attacks appear, the corresponding defense methods will be proposed. In particular, cryptography, as a key security technology, has developed in such an offensive and defensive confrontation environment. For classical...

In the context of low-carbon economy, using environment-friendly and energy-friendly energies is an important measure to achieve sustainable development. In view of the various forms of energy supply, in addition to the most basic economic factors, the paper introduces environmental and social impact...

As one of the countries with the most populous Moslem in the world, it is undoubtedly that the halal aspect has become a vital concept in the everyday life of Indonesian people. In its effort to meet customers’ necessities, one of the factors that could help the company in achieving its purpose is the...

Digital applications represent one of the current technologies gradually making their mark in the business industry. These applications can significantly enhance the efficiency and ease business professionals conduct various activities. However, a challenge in this realm lies in harnessing digital applications...

The use of vehicles in Indonesia is currently dominated by motorized vehicles, and not all of these land vehicles are in optimal condition regarding their combustion engines. This situation can lead to exhaust gases from vehicles that do not burn fuel completely, which can increase air pollution. Residual...

Based on the principle of human factors engineering, the relevant data of the users including the babies and the caregivers are analyzed to provide parameters for mechanical structural design. The designed adjustable baby carriage/walker features novel multifunctional and is suitable for the babies in...

Folded plate structure is a dimensional one which is composed of a plurality of the strip plate. It is not only a bearing but also can support, material-saving and larger stiffness of thin-walled structure. It can be used as workshops, warehouses, stations, shops, schools, dwellings, pavilions, stadiums...

According to the PVT high pressure physical parameters of oil and gas, Using the PVTI in reservoir numerical simulation software Eclipse to determine the phase characteristics of the fluid, fitting the basic parameters and building component model, using the GEM modular program of CMG to calculate the...

Long-term coal mining under villages in our country has caused subsidence and deformation of land surface, large areas of farmland and houses has been damaged and the villages are no longer liveable. It is imminent to find a reasonable villages relocation method. This study improved traditional “occupation...

Evolvable Hardware can be used to design circuits automatically. The main difficulty of applying real-world applications is its scalability. This paper focuses on improving the scalability of combinational logic circuit evolutionary design. We proposed a complex circuit design method combined Generalized...

The major assumption is that the total number of cabs in a city should meet two requirements: a) the average customer waiting time is 15 minutes. b) less than 10% of customers end up waiting more than 25 minutes. Now we take a town named Ithaca as an example to work out the optimal taxi quantity. We...

In order to estimate the geological and structural rock mass characteristics in the site of upper course cofferdam of water inlet, gate shaft of water inlet and Sd1 district in south bank expansion project of Kariba south power station, Some experimental investigations were done based on the acoustic...

Along with the information technology rapid development in social each domain, also has been widely used in military operations, caused the significant changes to the way the military operations, but also to the integration of modern war, precise, intelligent direction development, equipment support...

The work proposes the model of turbulent transfer in a boundary layer, which reflects the influence of periodic control actions on turbulent transfer factors. It provides the opportunity of reasonable turbulent transfer management. The list of actions, which influence turbulent transfer intensity, is...

Objective Phospholipids are one of important factors in Hyperlipidemia development. To discover relationship of Hyperlipidemia and phospholipids, we carried out this study. Methods: We carried on the bioinformatics study on the relationship by Cytoscape software with Agilent Literature Search and ClusterONE...

In order to ensure the good fracturing effect of horizontal well in the Sulige gas field, block SuX of Sulige gas field was used as an example, the typical horizontal wells of different fracturing mode were selected. According to the different reservoir conditions, the fracturing mode of horizontal well...

This experiment was conducted to evaluate the effects of dietary lipid level on growth performance, activities, and gene expression of related lipid metabolism enzyme of common carp (initial average weight (36.12±1.18)g. Five experimental diets with increasing lipid levels of 2.1%, 4.0%, 5.8%, 7.6%,...

Photovoltaic power generation, with the advantage of renewable energy and convenient installation, has been widely used in distributed generation in distribution network as the technology gradually developed. Grid-connected photovoltaic power generation station not only changes the structure single terminal...