Advances in Engineering Research

In this paper, the model of hydro governor used in power system stability calculation is analyzed. According to the traditional model and the characteristics of the dead zone of the modern digital electro - hydraulic model, the effect of the dead zone on the frequency modulation effect is studied. The...

Completion of polymer flooding wells in Second-Class-Reservoir, 46 wells ( 11.1 % ) with interval less than 1m or partial small layers are fully bonded according to logging curves. in principle, some or all of these layers shall be deducted as interval layers before perforation to ensure the development...

Internet of Things (IoT) is virtually connecting object in the physical world to the internet, where a huge number of embedded devices relays on communication service offered by the internet protocols and these devices are termed as smart objects. Since the smart devices have low configuration it has...

One of the roads in a residential area that connects the city of Makassar and Gowa Regency is Daeng Tata Lama. Daeng Tata Lama street is dominated by motorcycles. The addition of this volume of traffic load has the effect of noise pollution on residential area in the section. The aim of this study are...

Grains are agricultural products that often experience post-harvest damage, one of which is corn. Based on the standard SNI 014483–1998 quality requirements that must be met by corn is to have a moisture content of 14%. To maintain the quality and value of agricultural products, the drying method is...

The attenuation of adhesion between asphalt and aggregate is the main cause of pavement disease. The research on the interface between asphalt and aggregate is a hot issue to improve the performance of asphalt mixture and the durability of asphalt pavement. In this paper, Haiyun 70#, Haiyun 90# asphalt...

Linear diffraction grating interferometer measures displacement via two orthogonal signals generated from the optical outputs of fringes. Due to noises and regulation errors, two signals are not perfect. This paper presents a precision measurement method of displacement for given two non-orthogonal signals....

Objective: To study the genetic problems of powdery mildew resistance gene in tobacco. Method: after tobacco powdery mildew resistant variety and susceptible variety provided by a greenhouse during May 2015~ May 2016 were selected as the research object, to build a genetic model, genetic laws of resistance...

With the development of diversified communication services in smart grid, user demand and communication capacity have increased constantly, which imposes severe challenges on electric power telecommunication. Especially, the Metro Access Network (MAN) needs to aggregate and exchange a wider variety of...

Introducing stone cutting machine in short, and conducting an analysis through a decomposition and dismantlement of a product labeled Mod.4110B. Then come up with an eventual and ultimate modification concentrated on the additional shell, independent handle grip, more comfortable auxiliary grip, less...

Remanufacturing technology is an emerging technology, which is widely used in industrial field, since it prevents the recast of waste and outdated components through remanufacturing them again and guarantees that the quality of remanufacted components is not lower or even higher than new products. By...

In order to solve the low efficiency and low accuracy of manual inspection in the quality of necked-in area in pen point, a program of pen point quality inspection was developed based on machine vision in Halcon platform. Firstly, use the median filter to remove the image noise and enhance the contrast...

Tower falling down or wire breaking caused by natural disasters is a serious threat to the safe operation of power transmission lines. To improve repair efficiency and quality of overhead transmission lines in the case of disasters and incidents, this paper designed a rapidly assembled pole and tower...

Electro hydraulic proportional pressure-flow compound valve (P-Q valve) is a new type of energy saving combination valve. The velocity and output force of the actuator can be proportionally controlled by the P-Q valve in different working state. The author puts forward a new scheme that the hydraulic...

This paper explain the wear behaviour of composites phenolic resin with basalt powder reinforced on brake lining pads. Composite brake has been manufactured use compaction and sintering steps. The research aims to investigate wear characteristic of composite that tested using the Pin-on-disk according...

The paper proposes the social potential of rural areas. It gives the comparison of the quality of the population life of different countries through the criterion of expenditures and consumption of home economics. It also compares the rates of introduction of residential houses and improvement of housing...

Highwall mining is a remotely controlled mining method which extracts coal from the base of an exposed highwall. The method has the advantage of low capital cost and less lead time compared with a full underground mine, while being capable of producing in excess of 1 million tonnes per system per year....

In April 2020, Atlantis Press was alerted to fake proceedings articles hosted on our platform. These articles, mostly in computer science and engineering, were generated by the SCIgen computer program and were all published between 2006-2018. Immediately after receiving the alert, Atlantis Press initiated...

Power tower is danger when it is located on the top of slope of foundation pit. Composite soil nail technique had been used broadly in pit supporting in different situation except for building and structures nearby. Using foundation underpinning technology, the additional loads of structures can be transferred...

Stellite is cemented carbide to resist a variety of wear and corrosion and high temperature oxidation. This paper introduces a series of domestic Stellite alloy intelligent processing methods. In China, Stellite alloy academic research is not very popular, but many of them have representation. These...

The surface of diatomite particles was treated by a silane coupling agent, and the diatomite filled polypropylene (PP) composites with a volume fraction range of the filler from 0 to 15% were prepared by means of melt blending in a twin-screw extruder. The impact strength of the composites was measured...

In this paper, Fe thiolate complexes Fe(phen(pyS)2 (M) were synthesized and the properties of complexes were characterized by 1H-NMR and MS. The effects of reaction conditions on performanceof Fe thiolate complexes Fe(phen(pyS)2had been studied. The results of catalytic performance implied thatwhen 2.0...

The balance between randomization and regularization is a key and contradictory issue in the development of automatic composing. Randomized algorithm focuses on creating innovative and novel melodies but will generate unpleasant result. Regularized algorithm uses the existed music and rules to compose...

Laser tracker has been widely applied in the field of long rails geometric tolerance measurement due to high precision, ease of use and other reasons. Round rail levelness measurement is used to be calculated by means of electronic level using the pitch method which is more cumbersome and error-prone....

As an anti-pollution flashover facility, synthetic insulator is now widely used in the overhead transmission lines in China. It has good mechanical properties, nice anti-pollution flashover performance, strong electrical erosion resistance and high efficiency advantages in operation. However, the lightning,...

In this work, a novel method to plan and optimize pathways mix of urban regional energy system is proposed. A general model with vertices, paths and network balance as the elements is established, the digraph is used to describe the energy conversion and management process visually. Then, the matrices...

We proposed a process to find and recognize four typical eye movement signals hidden in EEGs. Eye movement signals contained in EEG are usually looked as artefacts by doctors. But they can be useful if the movements are intentionally launched for special purpose. Identifying typical eye movements from...

In recent years, circular economy has been widely discussed throughout the world as a solution to the problem of resources efficiency and environmental problems, especially regarding waste. The construction industry is one of the largest waste-producing industries, even 30% of waste on landfills is construction...

Using the methods of the small parameter of nonlinear mechanics, the formulas for determining the parameters of the pendulum auto-balancer were obtained in the article. Conditions for the stability of the auto-balancing process of the unbalanced rotor, fastened in the housing on the elastic supports,...

In order to study the effect of different initial conditions on gas explosive limits, the gas explosive limits have been measured under different initial temperatures(50~200℃)coupled with different ignition energies(50~800J). Besides, it has been obtained that the change rules of the upper and lower...

Parasitoid fly Ormia Ochracea has a remarkable ability to detect the direction of incident sound stimulus via its unique acoustic sensory organs. Based on the anatomy of them, a bionics acoustic sensing device is designed to mimic the localization function of the ears of the parasitoid fly Ormia ochracea....

Traffic congestion in DKI Jakarta Province has become a very distressing problem. Due to the increasing number of vehicles and people's mobility, nowadays Jakarta is constructing more road infrastructures in several areas. To overcome the problem, DKI Jakarta needs quick and proper improvements involving...

The novel cellulose reinforced Polyvinyl Alcohol (PVA) composite hydrogel membranes were prepared by means of immersion-precipitation phase transformation, taking the ionic liquid, 1-butyl-3-methylimidazolium acetate ([Amim]+Cl-) as solvent. The prepared hydrogels were characterized by Fourier transform...

The construction industry is a long-established industry. For a long time, building materials are usually used in traditional brick, stone, steel, concrete and other traditional building materials. At present, the exterior walls of major domestic buildings have been prohibited from being decorated with...

ABG, CKL, and AT are public transportation (called angkot) with the longest route in Malang. The length of the routes of ABG, CKL, and AT is 26m, 22Km, and 18Km. This research aims to determine the performance of three public transportation and to provide a new route recommendation. The operational performance...

This study conducts the design of sea wave hybrid power plants by combining wave energy with wind energy. Vertical energy of ocean waves is converted into pressurized water energy to rotate turbines connected to direct current generators, while wind energy uses wind turbines connected to direct current...

Petroleum residue is a by-product of oil refineries that has not been utilized optimally so that it accumulates in the stockpile tank causing disruption of the processing of petroleum into motor vehicle fuel. The catalytic conversion of oil and gas residue into liquid fuel has been carried out using...

Internet is a necessity for most Indonesian people. People who live in rural areas often face problems or difficulties accessing information via the Internet. Their problems are commonly poor connectivity from Internet Service Providers (ISP), such as network breaks and slowdowns. To solve the problems,...

This study was carried out to find out the level of groundwater quality and composition in the ger area of Bayanzurkh district which is not connected to the water supply network. Fieldwork was carried out within the framework of the grant project on “Study of water quality in drinking water and economy...

A vortex generator is a small component that has shaped as a fin and located on upper the surface of the wing or stabilizer to do modification the airflow around the wing surface that affects the boundary layer. In this research, analysis of the aerodynamic characteristic has been done by using computational...

Eddy current non destructive test (ECT) were used for decades to assess magnetic conductive materials considering its reliability and its portability. The success of the ECT process mainly depends on the performance of the ECT’s probe. The performance of the probe can be evaluated by applying frequency...

For a river valley site with non-flat topography, the scattering effect will significantly change the distribution of the seismic field, and the role of the site scattering effect on ground shaking under oblique incidence of seismic waves is not clear for the time being. The scattering effect will change...

Deep Vein Thrombosis (DVT) is a condition that leads to the formation of blood clots in the deep veins. Swelling or pain inthe lower limb is a common symptom thatgenerally affects the deep veins in the leg. Pulmonary Embolism (PE) is the most dangerous complication of DVT. It occurs when blood clots...

The survey and design phase, as the source of highway engineering models and data, plays a crucial role in the digital transformation process throughout the entire lifecycle. Addressing the deficiencies in digital standards and construction, digital surveying and design, and BIM-based digital applications,...

The enrichment of denitrifying phosphate accumulating organisms (DNPAOs) is the prerequisite for the denitrifying phosphate removal process. This study investigated the effect of nitrate concentration on the enrichment of DNPAOs was studied with batch experiments. The Sequencing Batch Reactor (SBR) was...

A novel distribution network reconfiguration approach of avoiding infeasible solutions is proposed based on breaking up the whole into parts strategy. In which, the solution space is divided into several subspaces which eliminate the unfeasible trial candidates and reduce search space. An improved quantum...

Aim at multi-label sentiments classification of customer reviews. This paper presents a hierarchical ML-kNN algorithm. Different from the traditional ML-kNN algorithm, this algorithm can capture the connection of labels by introducing auxiliary labels. The experimental results show that our proposed...

As mobile technology continues to mature and develop, software and hardware of the mobile terminal has been updating constantly, people are more and more dependent on mobile terminal devices in production and daily life. Because of the combined effects of today's communications technology and network...

Faced with the drawback of conventional doubly-fed wind farm models, which cannot reliably reflect the actual control law and dynamic characteristics, a method of complex characteristics modeling based on simulation is developed in this paper. The software MATLAB/Simulink platform is utilized to create...

In order to solve the problem that the decision-making department’s orderly power utilization plan is less elaborate, a model based on users’ typical daily load curve is presented. The model can coordinate a variety of orderly power utilization means, and targets at power company’ lowest economy cost...

In this paper, we present a class of low-hit-zone (LHZ) frequency hopping sequence set (LHZ FHS set) with periodic partial Hamming correlation property from the Cartesian product of known FHS sets. It is shown that the sequence set is near optimal with respect to the partial Hamming correlation bound...

Large scale mining of deep-sea mineral resources is an important approach to solve the increasing scarcity of resources on Earth. The deep-sea polymetallic sulfide sampler is an effective device to realize the ore body mining of deep-sea polymetallic sulfide. In order to achieve stable remote communication...

In order to achieve the nonsingular solution of saddle point linear system, this paper proposes an improved nonlinear Uzawa splitting iteration method, and combined with the generalized anti Hermitian triangle method, the algorithm is further modified, to improves the convergence of the algorithm. Finally,...

Solar energy is a new pollution-free energy of maturetechnology andabundantreserves. This paper firstly introduces the concept and characteristics of the solar power, and then analyzes the necessity and feasibility of its applications in rural areas. Finally, this paper gives three examples of the applications...

Qiangtang basin is the largest oil and gas basins of the Tibet plateau, the permafrost distributed widely, having good formed condition and prospecting of gas hydrate. There is carried out audio magnetotelluric (AMT) exploration research in YaHu area in order to find out the basic accumulation conditions...

At present, the construction and layout of the inland dry port, the possibility and feasibility of construction are the focus of the research. The capacity of dry port in Jinan is fully analyzed on the basis of reference to the advanced operation mode and development experience of the excellent non-water...

In order to help students learn and master SCM serial interface technology, one self teaching circuit board on serial interface technology has been designed. This paper mainly discusses the design method of the circuit board. First of all, the on-system programming module, I2C module, SPI module, 1-Wire...

The complex prospects in pedestrian detection, such as backpacks and other obstacles, are likely to cause interference to pedestrians. Since previous pedestrian detection can only use separate gradient information, the color information is neglected, and the gradient direction information is not accurate...

This paper studies the calculation of active earth pressure of retaining structure under the condition of earthquake. By comparing with the Rankine theory and Coulomb theory, we get a very good result. The analytical solutions of the previous works are for single homogeneous isotropic filling .but in...

The urban spatial layout, traffic demand forecast, and traffic planning cannot work without the support of system science. There is the interaction between the urban spatial layout and the traffic demand. The former is the generating source of the latter, and the latter has a guiding role on the former....

This study discussed the reflectance of outdoor compressed concrete paving units. The research samples were basic square ground tiles, including sandblasted tiles with secondary treatment of surface, iridescent crystal sandblasted tiles mixed with waste glass, and rustic tiles. The ASTM E1918A method...

Sand ore iron with Fe content less than 20% by weight referred to generally low quality iron ore into a heap material. Sand iron ore with Fe content above 50% used as pellets or briquettes before it is processed into pig iron in a blast furnace. This paper describes the process of sand agglomeration...

This paper introduces application of all-fiber optical current transformer to 10kV high voltage electric energy meter, proposes new application of 10kV current sampling by all-fiber optical current transformer, analyzes technical advantages of new 10kV high voltage electric energy meter and makes scheme...

In locomotive operation system, video monitoring system is the most critical. It is responsible for collection, processing and storage of data during operation of locomotive, to ensure safety of locomotive running. Traditional locomotive monitoring management approach has complex operation, but also...

In terms of the existing highway unsuitable beautiful road, in-depth analysis of various aspects of the construction and control objectives, put forward specific content design.

In a distributed virtual environment (DVE) system, maintaining the consistency of each node is the key factor to preserve system usability. In addition, maintaining the responsiveness of users in the system is also an important factor affecting the users' interactive experience. Due to the trade-off...

Peak strain of concrete is an important mechanical parameter. Previous studies have found that the peak strain of recycled aggregate concrete (RAC) is significantly different with natural aggregate concrete (NAC). This paper collected peak strain test data of domestic and foreign scholars and derived...

This research based on fresh coconut and the coconut puree was conducted with the ultra-high pressure (500MPa/ 10min). Two strains of pressure-resistant bacteria in coconut puree were screened out and identified as Leuconstoc mesenteroides subsp mesenteroides and Leuconstoc mesenteroides subsp dextranicum...

The United Arab Emirates (UAE) growth has developed immensely throughout the past few years, and along with its growth several environmental issues have been faced. In response to the climate and environmental inflictions and in support of the United Nation sustainable goals for 2030, the United Arab...

Static Var Generator (SVG) is a new generational dynamic reactive power compensation system and the detection of directive current generally uses ip-iq operation mode. However, the command value of output reactive current only depended on the reactive current detection of main circuit based on the ip-iq...

The aim of this work was to optimize the distillation conditions for extracting cinnamomum cassia oil from cinnamomum cassia bark by steam distillation. The orthogonal test was conducted to investigate the effects of the three main factors on cinnamomum cassia oil yield, including the solid-liquid ratio,...

With the advancement of science and technology, environmental pollution has also become more and more serious, especially the water resources closely related to human life are gradually being eroded by pollution. Monitoring the water quality of water resources becomes more urgent, but the traditional...

Public transport (PT) performance in some big cities in Indonesia is not accordance with passenger satisfaction. This condition is revealed by investigation of public transport performance declining continually. This condition causes the number of PT's passenger decreasing and increasing in use of private...

This paper presents a simulation of the temperature distribution on the surface of a heat exchanger in the ANSYS application package. In the R&D part devoted to the development of a device for converting heat into electrical energy, models of an experimental heat exchanger have been created, including...

Emotions are intrinsic to the way humans are interacting with each other. A human being can understand the emotions of another human being to a certain extent and behave in the best manner to improve the communication in a certain situation however a machine cannot. This paper aims to make an analysis...

This research aims to find out the effect of farmer behavior reinforcement on the attempt of restoring peat land. This study was an action research using participatory rural appraisal (PRA) with People of Merbau Village, Bunut, Pelalawan, Riau being the participants. Data was collected using interview...

Three large rivers of the North Caucasus, namely the Kuban, the Terek and the Kuma play a key role in water supply of adjacent steppe territories of Ciscaucasia. The mass run-off of these rivers is formed within a mountain relief. The river heads of the Kuban and the Kuma are located in the Karachay-Cherkess...

Based on the full monitoring of mine ventilation system by a safety surveillance control system, the feedback control is applied to design a hierarchical control model. It mean that the total mine air volume is controlled by a main fan power supply module converter, the roadway area is controlled by...

Wind energy is widely used as clean, renewable and mature new energy. However, the inhomogeneity and non-steady state of the operating environment of the wind turbine lead to the randomness of the load, which will cause the fluctuation of the voltage and frequency of the power grid, and affect the power...

Through the performance analysis of electric energy metering equipment under typical environmental conditions, data of working conditions of metering equipment under typical environmental conditions are collected to determine the operating characteristics and related performance changes. Through the...

In line with the increasingly popular of oyster mushrooms as a healthy, safe, and nutritious food, and have medicinal properties, moreover supported by the growing development of tourism in Indonesia, the consumer demand for oyster mushrooms in various regions is increasing. The purpose of this research...

In this study, the contents of Mn in 44 soil samples were collected from Shaanxi Province and were used ASD FieldSpec HR (350 ~ 2500 nm), then the NOR, MSC and SNV of the reflectance were pretreated, and the different deviation and reflectance reciprocal logarithmic transformation were carried out. The...

In order to allocate the buffer capacity effectively and improve the availability of the production line, a buffer allocation method based on particle swarm optimization (PSO) and simulated annealing algorithm (SA) is proposed for the mixed asynchronous serial production line. It is considered that the...

At present, in excavation of the coal mine roadway, it is widely used to a full section of millisecond blasting in borehole depth of about 2.0m. A lot of practice shows that, due to the influence of geological conditions, drilling, charge and other factors, footage per cycle reaching 2.5 ~ 3.0m, there...

For the feature of P300's low signal-to-noise ratio (SNR) and difficult classificion, in this paper, we use an EEG signal processing method based on independent component analysis(ICA) and support vector machine. First, make the P300 EEG singal to the superposition averaging, according to the requirements...

From the point of view of improving the emergency management ability of metro construction, combining with the relevant measures of emergency management, the index system of emergency management ability of metro construction is established. Then, the weights of indexes are determined by the C-OWA operator,...

The abstract indicates a summary of the article and the main research results. The article reveals the concept content of “legal discretion”. Issues related to the law principles as a means of limiting legal discretion are considered. The law principles are one of the central categories in legal science....

Dioscorea spp is a wild plant which is an important food source, however there are no published studies on the nutritional composition of this plants growing at Manokwari Regency. Physical analysis includes color testing using the brand Minolta Reflectance Chromameter type CR-300. Chemical analysis includes...

As one of the marine resources, macroalgae presumably contains of free amino acid such as taurine. Taurine is known to be one of the most important amino acid related to hyperosmotic stress for most of living organisms. The study was conducted to explore the taurine contain from the most abundance macroalgae...

Rare earth elements (REE) are considered critical raw materials essential for numerous clean technologies. As the discrepancy, their supply and demand increase globally. It is conceivable to recover REEs from secondary sources in order to close the gap. The coal, fly ash, and bottom ashes are collected...

Driven by the growing demand in various industrial sectors, emerging unmanned aerial vehicles (UAVs) are becoming increasingly diverse. The development of fixed-wing UAVs is also accelerating. The correct selection of wings is crucial for improving the performance of UAVs (including lift, drag, stability,...

This paper analyzes the distribution law of automobile service life through big data and studies the survival rate of automobiles. The Weibull distribution model is used to fit the data of different types of automobiles, revealing that the survival rate of automobiles decreases with the increase in years...

To maximize the availability of water for plants, data on the amount, intensity and distribution of rain is needed, the amount of water infiltration, the maximum ability of the soil to retain water, the amount of water lost from the root zone, the water requirements of plants, and the dynamics of soil...

Currently, small and medium enterprises (SMEs) contribute 60.34% of the Gross Domestic Product. Batu City has the potential for a significant increase in MSMEs by 90.74% in 2019. Potato chip SMEs in Batu City can be classified into 2 micro and small-scale clusters based on production capacity, sales...

The dynamics model of smoking is a system of nonlinear differential equations of first order. The dynamics model of smoking consists of five subpopulations, namely potential smokers, light smokers, heavy smokers, smokers who temporarily quit smoking, and smokers who permanently quit smoking. The mathematical...

The article examines the temperature field of the fuel cell of the BREST-OD-300 nuclear reactor if helium in the gap between the fuel pellet and the fuel element shell is replaced with a heat-conducting Pb-Mg-Zr liquid metal layer. The temperature field is calculated for the fuel rod with the highest...

The characteristic attribute of network intrusion detection data set is an important index to measure the status of network intrusion.The analysis and research of the network intrusion detection system can deeply understand the current situation and the law of the network invasion.Clustering analysis...

During the construction of inclined shafts mouths in Kuzbass mines cast-in-situ concrete or reinforced concrete support is applied. Due to coal production increase, there is a necessity to build new coal enterprises, and as a consequence, the necessity to construct inclined shafts and mouths of the inclined...

This paper considers the development of output feedback sliding mode controllers for a class of discrete-time Markov jump systems. The uncertainty is matched. A static output feedback control law is produced when considering the system satisfied the 'Kimura-Davison' condition. If the condition is not...

In order to improve the accuracy and efficiency of flexible multibody system dynamics simulation and control, the research on the selection of shape function in flexible multi- body system is needed.Under the specific floating coordinate system, deduce flexible multi-body system dynamics general equation...