Advances in Engineering Research

Clustering provides an effective way for data gathering in wireless sensor networks. In this paper, a new distributed clustering algorithm called DFSC that maximizes lifetime for energy heterogeneous wireless sensor networks is proposed, in which the cluster head selection approach is based on the concept...

A traditional assumption underlying most data converters is that the signal should be sampled at a rate exceeding twice the highest frequency. In this paper, we employ a method for low-rate sampling of multi- band signals via applying periodic nonuniform sampling in shift-invariant spaces generated by...

Differing from the general gear drive, movable teeth transmission is a new type of planetary gear mechanical drive, which used to transmit rotary motion and power between two shafts with same axis. The tooth profile is very vital and the meshing quality of the central gear, shock wave device and swing...

This research investigated the phenomenon of cascading trip in a power grid. First, aiming at assessing the backup relay protector of the current type, this paper investigated the relationship between cascading trip and nodal injection power by comprehensively analyzing the action of the relay protector...

Taking Xiangrong Liu, a Chinese female shot athlete, as the research object, the biomechanical analysis of the technical action of its backward slide-shot putting using the method of sports biomechanics was carried out. The study found that: in the gliding stage, Xiangrong Liu’s maximum speed of velocity...

The main challenge in following robot is solving the real-time user localization problem. In this paper we introduce our solution for it together with our whole robot system called “FOLO”. Using extra-tool (such as Bluetooth) may cause inconvenience in interaction; 3D detector plus tracker ID approaches...

In order to solve the problem of automatic sampling of coal, this paper introduced the MCYY2000 6-DOF mobile coal sampling robot and analyzed its kinematics. This paper first introduced the mechanical structure of the 6-DOF sampling robot, then the forward kinematics equation of the sampling robot was...

Target-centric warfare is a new warfare mode and means with various intelligent entities that form an adaptive loop. Based on analysis on the process of target-centric warfare, agent and multi-agent system technology is used and agent-based target-centric warfare models including interaction protocol...

The shipboard electro-optical tracking system is facing the severe ocean climate environment. So it is necessary to consider the design of the carrier-based optoelectronic tracking system to prevent corrosion, moisture, mildew and salt fog. In addition to the passive protection of the photoelectric tracking...

For three-axis sculptured surface machining, a tool path generation method based on the feed directions of maximum machining strip width is proposed. We use a B-Spline stream function to reconstruct the vector field of feed directions, and give the initial tool path by one of the iso-lines of the stream...

This paper first summarizes the development and evolution of LTE system and cluster communication system, analyzes the random access technology in LTE system, summarizes the access flow of cluster system, compares the random access and random access of LTE In order to access the LTE system, it is necessary...

Porous materials with high specific surface areas was prepared by a combined method of microwave drying carbonization and activation processes, in which castor rhizome was used as carbon source, and KOH was used as activator, respectively. The porous material was added to the cigarette filters and the...

Project after the authenticity of the evaluation results to a large extent depends on the rationality of the evaluation method, this article in view of the construction project post-evaluation of current method is a systematic research, and put forward the factor analysis method used in the construction...

"Random Forests" is an algorithm developed by Breiman and Cutler in 2001[1]. It runs by constructing multiple decidion trees while training and outputting the classes that is the mode of the classes output by individual trees. It has improved performance over single decision trees, and it is much more...

The article is devoted to the study of various interrelations generalized by ecotourism and linguistics in the ecological paradigm, and reflected in the French tourist discourse. We have pointed out and proved that the demand for tours to Russian ecoregions and all over the world is growing dynamically....

The abstract should summarize the contents of the paper in short terms, i.e. 15–250 words. The advancement of lighting technology promotes efficient, durable, and energy-saving LED lamps for street lighting. However, monitoring LED drivers, particularly Switch Mode Power Supply (SMPS) systems, remains...

Every construction work inevitably has some impacts for environment and society. One of construction works is the construction project of Elevated railway construction from railway station of Solo Balapan to railway station of Kadipiro. Therefore some measures are needed to remove negative impacts by...

With the continuous development of information technology and science and technology, software development management model consists of four stages, host terminal, file server, C/S, and B/S. The first two software development models have been phased out of history, and the latter two models have been...

There exists several characteristics in imbalanced dataset, such as classes imbalance, between-class imbalance, overlapping, influenced noise, multi-classification with class imbalance, etc., which will greatly influence the classification performance of algorithms on imbalanced datasets. So far, the...

Compared with conventional combustion, catalytic combustion as a developing technology could make the pollutants emissions to zero. The experimental studies and theoretical analysis have been involved in this essay to study on if catalytic combustion furnace can burn overglaze color.In this paper, by...

The Ultra High Voltage power system plays an important role in alleviating the energy crisis. However, due to the high voltage level and complex operation, it will bring disaster to the system once the power grid fails, causing cascading failures and large area power outages. In this paper, we study...

Production technology of 12kv solid-sealed polar pole is mainly expounded, including mould installation, spares preparation, mix preparation, injection molding, after treatment, assembling, inspection, etc., with focus on spare preparation, mix preparation and injection molding.

In this letter, the localization of coherently distributed (CD) is considered. With regard to the direction finding of CD source, the conventional method distributed source parameter estimation (DSPE) can provide stable estimation performance, while it also requires a complex two-dimensional spectral...

In modern cities, power distribution systems are very complicated systems consisted of 3-phase lines, 3-phase transformers, electric poles, etc. and those facilities are distributed among lots of buildings, roads, and trees. Tracing technology of transformers and wires is a challenging issue. Power line...

People who work in the field of actuarial science pay more and more attention to the risk model with dividend strategy, it has become one of the hot topics in the current actuarial science research. In this paper, we want to study the Gerber-Shiu expected discounted penalty function due to oscillation...

From Part 1, the experimental data of chloride threshold level (CTL) are obtained. With the experimental data, the mechanism of influence of temperature, pitting potential, w/c ratio and air-entraining agent on CTL are discussed in this paper. Lower temperature causes higher CTL by reduce the rate of...

The objective of this paper is to investigate the effects of gefitinib as a new stent coating material on proliferation of smooth muscle cells and the expression and phosphorylation of EGFR/Akt protein. Rat smooth muscle cells were cultured in medium with gefitinib (10-2 mol/L-10 mol/L) for 24h-72h....

In order to improve the dispersive and lipophilic properties of Nano-Al2O3 in composite coatings, surface modification of Nano-Al2O3 by titanate coupling agent TC-114 was researched. The modification effect on Nano-Al2O3 was measured with the activation index and the lipophilic degree. The influences...

Nowadays, Hadoop distributed file system as a distributed storage system, has a good effect on the storage of large files. However, there is a natural flaw in the storage of small files: storing a large number of small files will produce excessive metadata, resulting in namenode memory bottlenecks; frequent...

The batting point of badminton plays a very important role in the whole badminton match. At the same time, the accuracy of the batting point is also the core content of the badminton course in colleges and universities. Based on the single closed loop badminton serve control method, the batting point...

This paper states the common stealing electricity types, it is remote control stealing electricity, resistance is strung into watt-hour meter, there is space of stealing electricity, obvious short current coil, interference of high power electric signal and using electricity bypass the metering device...

The article considers the axisymmetric problem concerning the explosive compaction of a mixture from aluminum, sulfur and carbon placed into a cylindrical steel ampoule. The inert substance (graphite) is added to the mixture to avoid the reaction between aluminum and sulfur. The numerical computations...

In this paper, the model of transformer DC bias simulation is established based on EIC principle. This model considers the hysteresis loss and eddy current loss of the transformer core through the J-A model and the Bertotti theory. Based on this model, the effects of DC bias on the operating characteristics...

The dynamic response characteristics of the structure are affected by the nonlinear term in the theodolite structure with supporting shaft and bolt fixed connection. The harmonic term caused by nonlinear response has important influence on the measurement accuracy of optical system and the tracking stability...

This paper applied the theory of thin elastic shell and fundamental equation of fluid mechanics, combined with united Lagrange-Euler method, to establish the kinematic equation and dynamic equation of contact surfaces between fluid and solid. The linear equations of plate's normal displacement coefficients...

The paper constructs the model of nuclear materials and fast neutron multiplicity counter, and obtains the mass of nuclear materials by utilizing the equation of fast neutron multiplicity. Via GEANT4 tool kit, the paper obtains the simulated results which are identical well to the results calculated...

In disaster conditions, people often fall in panic. When the population panics raise to a certain extent, they can aggravate the confusion degree of crowd evacuation, leading to greater casualties further. Therefore, this paper proposes a non-linear dynamic model describing crowd panic propagation, to...

This research was conducted to develop android-based comic learning media and describe the increase in geometric thinking skills after learning to use android-based comic learning media. This comic development process uses the Gall and Borg development model. The stages were needs analysis; product planning...

Torrefaction is a thermochemical process to improve the properties of biomass as a solid fuel. In addition to solid fuel, the torrefaction process also produces a by-product in the form of liquid smoke from condensation results. In this study, an analysis of lignocellulose and Fourier Transform Infrared...

With the deepening trade between China and South Korea, it is imperative for China and South Korea to carry out land and sea multimodal transportation. This paper takes the path of multimodal transportation between China and South Korea as the research object, analyzes its development status, and determines...

In the Research of DIPA Grant in 2019, the size of the hydraulic ram (hydram) pump used in Pakandangan in Padang Pariaman Regency was designed. In this area, a water source had not been utilized to irrigate the paddy field of 10 hectares since it was located higher than the water source. The designed...

The tamping method is a manual soil compaction technique, that involves the application of repetitive localized impacts using a rod to compact soils. Although the compaction of sandy soils in a moist state is widely used in laboratory and field conditions, the compaction of sandy soils in an underwater...

A project is a business or activity that is complex, non-routine, limited by time, budget, resources and performance specifications designed to meet consumer needs. The Water Treatment Plant (WTP) construction project in Pulau Pinang Village, which has a capacity of 50L/SPAM, affects access under public...

With the increasingly fierce competition in China's construction industry, how to stand out in the bidding process has become a priority issue This paper takes the remaining project of a certain old community renovation as an example, based on the real evaluation data, and uses The logistic regression...

Ag/Cu bimetallic nanoparticles were synthesised in a few minutes using 1-heptanol as reducing agent in a microwave reactor. The products of microwave heating and oil-bath heating were compared. Experimental results decide that, it is easier to obtain a higher degree of crystallization, smaller size distribution...

This paper is designed to promote the development of local economy in Maoming. In order to explore the relationship between agriculture and the growth of the local economy, the local GDP and the production of city's main agricultural products in 2000-2012 are selected to yield co-integration test. By...

During the approach phase, the aircraft is prone to human error caused by the occurrence of unstable approach. In order to facilitate the study of the flight quality of the approach phase, this paper proposes to study on extraction of QAR key parameters in approach phase. The QAR parameters are classified...

Aimed at the situation that channel source is wasted seriously when traffic is not uniform belong all of the nodes in a TDMA net, a dynamic TDMA protocol (CS-TDMA) utilizing channel sense is was developed. The CS-TDMA protocol based on the TDMA protocol frame, and the node with CS-TDMA protocol counts...

Indoor air pollution is a serious problem that harms people's health. Indoor environment monitoring system could make contribution to detecting and improving indoor air quality. However, besides the high cost, the existing air quality detectors also get tricky problems with real-time monitoring and autonomous...

In allusion to increase the speed and accuracy rate of clustering algorithm, the paper proposes mixed clustering algorithm with artificial fish swarm and improved K-means. Firstly, it leads artificial fish swarm algorithm to clustering algorithm and proposes artificial fish swarm clustering algorithm....

One of the main reasons behind complex networks popularity is their flexibility and generality for representing virtually any natural structure. Each complex network presents specific topological features which characterize its connectivity and highly influence the dynamics of processes executed on the...

The effect of three typical commercial clays (Na-MMT, Illite and Kaolin) upon the dispersion of polycarboxylate (PCE) was investigated by mini slump test and viscosity analysis. PCE adsorption on clays or cement was determined by method of total organic carbon. Mini slump test results showed adding more...

The paper introduced the construction method of large segment hosting and its difficulty, and drawing up the corresponding plan of liner and stress monitoring. The paper gives the calculation method of shear area for such a big cantilever thin-walled steel box girder section, namely the shear coefficient...

This paper studies the influence of various parameters, such as alloy types and slenderness ratios, on the hysteretic behavior of compression aluminium members under cyclic axial loading. In this research, a method by finite element analysis was proposed. The method was based on FEA software, ANSYS....

This paper focused on change characteristics of deformation and stability of certain a landslide under conditions of earthquake. The mathematical model of dynamic analysis of earthquake was utilized for deformation and stability of the landslide with weak permeable media. This paper studied change characteristics...

From the total water extracted from Sarcandra glabra extraction part chloroform extract, nine compounds were isolated and identified as isofraxidin(1), 8-methoxy- 6,7-methylenedioxy-coumarin(2), 7-methylnaringenin(3), kaemferol(4), kaemferol-3-O- rhamno- pyranosyl 1 6 glucopyranoside(5), eleutheroside...

Flower-like clewed PbTiO3 (PT) nanowires have been synthesized using hydrothermal method. The nanowire have an average length of 0.5μm and a mean diameter of 10–20 nm, the clews have average diameters of 1μm. With tetragonal lattice structure, the clewed PT nanowire grow along the (001) direction. The...

The existing metric learning based Person Re-Identification are challenged with large appearance variations across non-overlapping cameras. In this paper, we propose to learn a similarity metric that incorporates robustness against cross views appearance variations. The robustness in metric learning...

This study aims to identify and analyze strategies to increase community participation in the development planning of Petaling Banjar Village. The village of Petaling Banjar is one of the newly created villages in West Mendo District, Bangka Regency. At a young age, there needs to be a development effort...

Component-based software development method has gradually become the mainstream software development method, with the rapid development of component technology, the software development method of complex software system with component design is more and more mature, but the software reliability analysis...

In view of that PI controller parameters changes when system model parameters of single- phase photovoltaic inverter change, a gradient reference based adaptive current loop control method is proposed. Ignoring the high order harmonics in PWM inverter, the mathematical model of the grid connected system...

The present penalty-based contact treatment will lead to a simple implementation, and it is difficult to determine a suitable value of the penalty parameter. The usual way is adopting an appropriate multiple of the modulus of elasticity. In this paper, an augmented method for isogeometric contact problem...

Being a driver in the control cabin of a shield tunneling machine is a high-pressure career. The mood swings of a driver are vital to his occupational health and construction safety; however, a driver’s emotional intensity in a noisy environment have not been considered. This study aims to investigate...

In Russia, in the last decade, practical steps for rise of machine-building production are taken. The key role belongs to metal working, development of progressive methods of production of details of machines of high constructive and technological complexity. The most effective is the way of intensification...

belt conveyors are widely used in various transport systems. The major cost for their operation consists, most often, of the means for rollers maintenance especially when belt conveyors are in the dusty explosive environment, for example, in mining industry. To prevent or reduce probability of fires,...

Medical examination, as a very practical subject, is an important part of the teaching content of medical education in our country. Therefore, in order to adapt to the development of medical technology in the new period, medical colleges and universities in our country constantly improve the teaching...

Guldin theorem is an important theorem, but is scarcely mentioned in the Higher Mathematics for mathematics majors and other majors, except that is its roughly mentioned in the Higher Mathematics for physics major. However, Guldin theorem is useful for simplifying mathematical calculation both in elementary...

In reconnaissance work, shadow positioning can often play a breakthrough role. To determine the shadow length of a straight rod at a fixed time and location, taking the solar elevation as the intermediate variable, and a model of the length of the shadow with multiple geometric parameters can be established...

Hexavalent chromium (Cr(VI)) is a well known toxic carcinogens. Therefore, the convenient and quick detection of Cr(VI) in the environment is highly desired . In this study, a new method for determination of Cr(VI) was developed based on its quenching effect on the fluorescent of carbon quantum dot (C-dots)....

The Lane L8 of main-bridge of Xianyue Flyover across over Success Avenue is a reconstruction project with span of 39m+50m+39m. The circular-curved steel box girder has a uniform cross section with a multi-chamber single box. The characteristics of drag-type incremental launching and segment division...

The purpose of this research is to describe the advantages of using ATA Carnet system for temporary import activities in order to the company corporate and business especially in Indonesia can implement this system in the process of the activity temporary imports and also to know the comparison on the...

In order to mobilize valid data in virtualized resource pool quickly, reduce resource scheduling execution time and improve resource utilization. The paper proposed a virtual resource scheduling strategy based on improved frog leaping algorithm. A mathematic model of leapfrog algorithm in cloud computing...

The objective was to test S. palustris which has high antioxidant activity for bioactivities that may alleviate obesity: lipase inhibitory activity and lipid accumulated in 3T3-L1 adipocytes. Water, 50% methanol and methanol extracts of S. palustris were tested for lipase inhibitory activity and lipid...

Biochar is a charcoal that produce from biomass feedstock and act as promising agent for many application such as wastewater treatment, energy production, soil amendment and gas storage. This review summarizes recent research development on production, properties and application of biochar. This review...

The ability of mathematical connection is very important to be developed in a mathematics learning process. This study aims to describe the process and outcomes of the development for REACT strategy aided by Cabri 3D to improve mathematic connection ability in good quality, to describe the effectiveness...

The article gives an overview of geothermal energy in the USA and Russia. To compare the efficiency of using geothermal power stations, the criteria and methodology for their calculation are identified. There are such tools as swot-analysis, comparison on certain criteria as the proportion of areas suitable...

Experimental research was carried out with the purpose of analyzing the influence of TiB2 and ZrB2 on a novel aluminum-based composite. The density of the material significantly impacts the weight and tribological behavior of composites. A novel Hybrid composite was made by adding TiB2 and ZrB2 in Al6063....

Harbor Jangkar Ferry serves five routes, four pioneer routes to Madura Islands, and one commercial route, Jangkar to Lembar. The ticket booking process at this port takes place online through the Ferizy website. The current ticket booking system is considered ineffective because service users often experience...

Document forgery is a common method that has been used by many people for their own benefits. Document often has its own unique identity which contains a very sensitive content. The current problem related to document is about the document forgery where advanced technology capable in duplicating and...

Noise at the airport can be reduced by building materials that can dampen sound in the form of acoustic boards. One of the natural materials that has potential as a candidate for acoustic sound dampening board material is corn cobs. This study will determine the effect of the volume fraction of corncob...

The superparamagnetic Fe3O4 single nanocrystals with diameters of 10-15 nm have been synthesized via a simple method. Several characterizations such as SEM, TEM and XRD are used to obtain the morphology and crystallinity of Fe3O4 nanoparticles. The investigation about wave absorption property indicates...

Porous Co3O4 irregular structure are fabricated by a facile hydrothermal process. The microstructures and morphologies of the porous Co3O4 irregular micro-cubes was characterized using powder X-ray diffraction (XRD) and scanning electron microscopy (SEM). The discharge capacity of porous Co3O4 irregular...

Because of the different environment and existing conditions, the damages of structural concrete are different. The typical problems of ocean engineering concrete corrosion, crack, and durability are discussed. The healing materials used in marine engineering, the current development situation of relative...

This study presents an application of the peridynamics method to the analysis of concrete structures, the quasi-static fracture behavior of concrete column is simulated with the proposed model, numerical result shows that the proposed peridynamic model can predict both the progressive failure process...

Along with the accelerating process of economy, hazardous chemical productions and consumptions increase rapidly, the transport throughout of hazardous chemicals in the Yangtze River has been increasing. Once the hazardous chemical leakage happens, it will cause serious damage to water and marine life...

In recent years, with the rapid development of Internet of Things technology, the application of Internet of Things technology in intelligent home has also been rapid development, therefore, this article mainly for the Internet of things in the application of intelligent home in the main management system,...

The inhibitive action of extract from mint leaves (EML) on Q235A hot rolled carbon steel (HRCS) in 0.5mol/L H2SO4 solution was studied using weight loss measurement, electrochemical polarization and scanning electron microscope (SEM) characterization. The results indicate that the extract functions as...

NASICON structured Li1+xAlxZr2-x(PO4)3 have been studied to replace LAGP and LATP in this paper. The effects of both annealing temperature and Al doping were investigated. Both the annealing temperature and Al doping exhibited an optimal value, which is 1100oC and 0.3, respectively. The doping of Al...

The cableway on car for emergency repair has the characteristics of rapid, efficient and flexible etc., which can meet the requirement of power grid’s emergency repair, this article mainly through force calculation of beam and pillar of support frame, completed the structure design of the support frame...

The event that some lightning rod was fractured and collapsed at the tubular joint of lightning rod occurred in some transformer substation recently. The mechanical property of the tubular joint of lightning rod and frame column for transformer substation was analyzed in this paper based on the structural...

The thesis is to excavate and reorganize the elements of interior space form, decorative pattern, decorative materials, and space tone elements of Shanghai’s Art Deco style in order to make analysis on the space component protection and utilization value. Moreover, it is to improve the space component...

Clothing pattern design is the most key link in garment production process, and is the most important part of the costume design, is a clothing design and technology of the connection of the bridge. With such as clothing CAD technology widespread application of digital technology, the clothing pattern...

Cloud database follow the calculation model of cloud computing that everything is a service, therefore, the service is one of the key concepts in cloud database. Because of the simplicity of the database service package, it is easy to expand for the cloud database. Cloud database provide database service...

In order to increase the applicable input voltage scope of Pulse Adjustment (PA) controlled converter, a new control technique for DC-DC converters, Multiple Sets of Pulse Adjustment Based on Input Voltage Feed-forward Compensation (IVF-MSPA), is proposed in this paper. By introducing input voltage feed-forward...

In order to improve the accuracy of mine transient electromagnetic(MTEM) detection results we carried out field detection experiments for the underground metal interference (tunneling machine, bolt and the anchor net),by analyzing the effects of interference, it turns out that these metallic facilities...

The development of draw solution is of great importance to the industrial application of forward osmosis technology. At present, the draw solutions are defined as two main types. In this study, we summarized the common draw solutions used in FO process after 2000, and detailed the two types draw solutions,...

The paper is devoted to the effectiveness increase of monitoring the value of seam pressure when operating oil-producing wells. This problem is relevant for well operation when using subsurface measuring systems. In such cases, seam pressure is determined by recalculation of the dynamic level value,...

The traditional damper is inconvenient for high-rise structure. The rotor of gimbal gyroscope has two rotational degrees of freedom, and the gyroscope produce moment to resist two orthogonal displacements when the rotor rotates with high speed, so the structure deformation under external force can be...

Multivariate based cryptography possesses the characteristic of high efficiency as well as resistance of quantum attack, which makes it become one of the main candidates of being possible alternative to conditional public cryptography in post-quantum ear. A new signcryption scheme based on Multivariate...

A kind of energy-saving sunlight greenhouse with underground drip irrigation and heat storage system was designed and a greenhouse heat balance model was established in order to create the best artificial climate for plant growth and meets the requirement in energy conservation, environmental protection...