Data link system, as important guarantee for unmanned aerial vehicle equipment to complete its battlefield function, its anti-electromagnetic pulse capacity interference directly affect the safety of airborne communications. Strong electromagnetic pulse has become an important source of electromagnetic...

With the development of Chinese automobile industry and the continuous improvement of the transport facilities, the concept of self-driving travel is no longer confined to the characteristics of close range or short time. This paper studies the current situation of self-driving travel at home and abroad....

Aiming at the friction temperature is too high, excessive thermal stress problems of wet clutch engagement process, establish the three-dimensional model of wet multi disc clutch, using ANSYS workbench finite element software, the calculation process considering various displacement constraints, the...

In order to improve trial efficiency and realize the automatic recognition of the micro-expressions of criminal suspects in the interrogation process, according to the characteristics of the human torso micro-expressions posture, A 6 points human torso model which is used to describe the human torso...

Shunt active power filter (APF) has become the most effective tool for harmonic control in the industrial field because of its excellent performance. But in the field operation of APF is very complex, all kinds of interference factors of certainty and uncertainty always exist, the reliable operation...

To avoid resonance and make the 300t fishery administration vessel meet the requirements of low vibration and noise, vibration characteristics must be predicted during the process of design. In order to more accurately predict the vibration characteristics, it is necessary to calculate the added water...

To avoid resonance, suppress the hull vibration and reduce the noise, vibration characteristics must be predicted during the process of design. The added water mass of the fishery administration ship is calculated for predicting accurately the vibration characteristics. The natural frequency of vertical...

This paper uses Man-Machine process analysis to improve the works performance in T company, besides, the 5W1H technique and the principles of ECRS theory are applied to restructure and optimize the work process as well as the layout of the company. Furthermore, movement based on the single piece of flow...

Wind energy is clean and renewable, with the progress of the wind power technology, the accumulation of operation and maintenance experience, reduced generation cost, large capacity of wind farms connected to grid have been built. It is urgent to study the reactive power optimization control of the wind...

Aiming at the dynamic scheduling problem of virtual cellular generated by the random arrival of new tasks, combined with the rolling window technology, the decision-making judgment based on the order completion trigger and the machine idle state trigger is put forward. At the same time, the dynamic random...

The pre tightening pressure of the length measuring wheel was optimized by response surface methodology in the self-developed NC length measure of bar system, the pre tightening pressure and external load are set as the input parameter variable, the stress of the length measuring wheel is set as an output...

In the practical application of power system fault protection, the traditional series current-limiting reactor has power loss and affects network security and stability. In order to exclude the negative impact, high-speed switch can be connected in parallel at both ends of the reactor. In that it can...

This paper mainly analyzes the phenomenon of energy waste in the current HVAC, puts forward the corresponding measures, and introduces the renewable energy system widely used in the world.

With the continuous progress of urbanization, Land resources in urban areas are scarce, and because of China's large population, the high rate of residential demand urgent. Some mainly central cities have appeared in high-rise buildings, and they gradually become the city's logo. Whether it is people's...

In recent years, Internet Service Providers (ISPs) provide increasingly extensive services, and a large number of applications came into being. These applications provide users a lot of convenience, lead to the network traffic flow increasing, and make the complexity of flow components increasing. In...

Considering the potential unstable problem using Euler angle, the quaternion is used to take its place in proposed method. What is more, A partial integrated guidance control (PIGC) model is derived based on six-degree-freedom model to solve the guidance and control problems of hypersonic vehicle in...

FM-52M, a kind of filler metal matched for Inconel 690, is widely applied in critical components of nuclear power plant. In this work, the effect of the microstructure refinement of FM-52M was studied through pulse TIG welding. First, a serial of bead welds under different welding parameters were conducted...

To improve students' innovation ability need to consider their innovation competency, on the basis of existing research results, and the students' innovation competency is defined, through the investigation on the students of mechanical major, the students' innovative competence dimensions determined,...

The confidentiality and usability of sensitive data in outsourcing processes are particularly important in open systems. When the user's attribute is revoked or restored in the CP-ABE system, the flexibility of the dynamic change of the corresponding strategy is a challenge. In the paper, we presents...

In this paper, for the first time, from the perspective of intercept receiver, based on the cyclic autocorrelation accumulation factor (U value), the low probability of intercept (LPI) performance of several traditional radar signals, COCS P4-MCPC radar signal and Chaos-MCPC radar signal are evaluated...

Subsidization for students from low-income families is a major student management work for colleges and universities. With deep and extensive use of big data in all sectors, relevant big data shall be used to identify poor students. Using big data rationally for targeted subsidization represents in-depth...

For the remote sensing image fusion algorithm based on non-subsampled Contourlet transform (NSCT) calculation complexity and cannot extract details from source images effectively. So a new remote sensing image multi-feature fusion algorithm based on NSCT transform and compressive sensing is proposed....

PZT sensor was placed in different position which damaged in order to determine the feasibility of EMI technology to the detection for damage of the concrete structure, and 4294A Agilent precision impedance tester used in different frequency of concrete specimens under different damage conditions of...

This paper described a study on acoustic emission (AE) in the specimens of cement-based materials, especially concrete specimens. 1-3 cement-based piezoelectric composites that have good compatibility and broadband frequency, and they have been developed for health monitoring of concrete structures....

At present, information system has been widely applied to various fields, but different kinds of database leaks and other security incidents continue to appear, leading to endless security risks for users. Database as the core of information system, the research on which seem to be very important. In...

This paper introduces the calculation process of collision probability between spacecraft and short-term debris cloud. On the base of the time integral method about collision probability calculation, the time required for the spacecraft to travel through the debris cloud by the way of "risk radius";...

Nickel laterite ores are important nickel resources, which are abundant and account for approximately 70% of the world nickel reserves. However, nickel in nickel laterite ores could not be extracted by conventional separation methods. Consequently, treating and utilizing nickel laterite ores efficiently...

With the deep penetration and wide advancement of "Made in China 2025" and "Internet plus" in various fields, the continuous integration of industrialization and informationization process, more and more critical infrastructure related to national economy and people access to the Internet, industrial...

The recognition to element N2 is the fundamental basis determining the stability and the practicability of the mVEP-BCI systems. The feature extraction to EEG signals is the key for the accuracy on recognition of element N2. Different from the traditional down sampling feature extraction method, the...

In the field of performance evaluation for infrared guidance system, the dynamic infrared scene simulation has important application value. In order to get a realistic and practical dynamic infrared image, the dynamic simulation is carried out based on Vega and its infrared module. The target and terrain...

In order to determine the pulsating loading parameters in the hydroforming of the reducer, an austenitic 304 stainless steel reducer is taken as an example. The simulation model is established by using finite element analysis software. The hydraulic loading speed is 2 MPa s-1 and the amplitude 3MPa and...

In order to construct the predictive maintenance optimization model, this paper takes the robotic intelligent processing and production workstation as an example, and analyzes the fault characteristics of the equipment on the workstation and the fault characteristics of the key components. The failure...

CDLN(Conditional Deep Learning Network)is a structure of convolution neural network with multiple classifiers. CDLN could improve the speed for the task of classification while the module of the network is still too large for mobile devices. To address this issue, a method for compressing CDLN, which...

Aiming at the characteristics of complex structure, changeable movement and the difference in emission and stability, put forward the emission performance index based on the study of internal air launch system; study the influence of the initial pitch angle of the carrier, characteristic diameter of...

Ground settlement is a critical issue in underground construction. Ground settlement prediction is important to identify serious damage to adjacent structures caused by settlement exceed the standard. However, conventional methods have some limitations due to nonlinearity and non-stationarity of settlement...

Probability hypothesis density filter based on Random Finite Set(RFS)recently become a research hotspot for multi-sensor information fusion in the world. An overview of the emergence, the development and the present research situation of the PHD filter in target tracking is presented here. Special attention...

A recommendation system is increasing important in online video application, news recommendation and electronic commerce especially in search engine. Recommendation on search engine are more related to hundreds of million users like Google, Bing and Baidu. Our proposed filtering solution is based on...

This paper, by taking the LTE communication network as the object of study and applying the discrete event simulation method and hierarchical modeling mechanism, analyzes the LTE protocol stack and classifies it at the simulation layer; designs the functions and parameters at each simulation layer following...

This paper presents an adaptive Gaussian filter model to solve complex curve surface image denosing problem. Based on the considering of local distribution characteristics of image noise, an adaptive Gaussian filter model is constructed by introduced an automatic adjusting smooth scale parameter, which...

To solve the problem of long time spent on measurement point segmentation and low measurement efficiency in the process of machinery blade measurement, a new fast segmentation algorithm based on edge detection is researched in this paper. Before the segmentation of measurement points, the edge of blade...

This paper analyzed and summarized for the smart grid user demand response, put forward the optimization problem of smart grid communication system in response to demand, and effectively solve the problem of zero user utility of inelastic demand.

In order to realize the function of intelligent vehicle tracking according to different path types, a tracking vehicle based on automobile model is developed. In the design of the intelligent vehicle, the image processing can directly affect the performance of the intelligent vehicle. This paper describes...

Editing test papers is a very heavy mental labor. Aiming to improve the teaching effect of Java Program Design and realize the separation of teaching and test, the intelligent test paper generation software based on improved genetic algorithm is designed. The software provides three generating methods...

Monitoring of continuous object distribution in large-scale environmental monitoring depends on the problem of high-density sensor networks. The RBF neural network is used to fit the distributed data of continuous objects at low sensor network density. Firstly, based on the distribution characteristics...

Considering the topology of real distance of the anchor node and the real trilateration composed of the unknown positioning node, an improved DV-Hop localization algorithm for wireless sensor networks was proposed. Firstly, unknown node will be measured by the trilateration-based triangle. Any of the...

In view of the deficiency of design for testability (DFT) of the monitoring and alarm system of marine diesel engine power plant (MASMDEPP), this paper offers an overall built-in test (BIT) scheme which can improve the level of DFT for the system. Based on analysis of nine kinds of line replaceable units...

This paper analyzes the statistical characteristics of the ideal reverberation chamber environment, and evaluate the simulated reverberation room environment at different frequencies based on the KS test, to test the degree of fitting between the simulated E-field environment and theoretical reverberation...

In this paper, the surface flashover characteristics of polytetrafluoroethylene (PTFE) under normal atmospheric pressure are studied. The DC power supply voltage is measured under the condition of different pole spacing, and the discharge voltage waveform and current waveform are recorded. In addition,...

The method of locating air flight targets and measuring the speed of air flight targets by the passive electrostatic detectors is studied, and we derive the mathematical expression of the induced current at the detection electrode. The simulation of the change of the induced current with the horizontal...

With the continuous development of science and technology, the convenience spacecraft brought to us has been everywhere. During the orbit operation, the spacecraft interacts with the complex space environment, which makes the surface and internal materials appear charging and discharging phenomenon,...

This paper constructs a general equipment health evaluation model for the operation state of important equipments in intranet, which evaluates the health of equipments from three aspects: key performance index, key quality index and quality of experience index. The weight of important state indexes are...

Practice base teaching evaluation plays an important role in university teaching management and is a hotspot research field for researchers related. The paper takes university English practiceÿbase teaching for research sample, and presents a new Legendre wavelets neural network algorithm to evaluate...

E-commerce oriented integrated logistics platform is based on advanced Internet technology, which can establish open, transparent, shared data application platform. In order to reduce logistics cost and provide high-quality logistics service for e-commerce enterprises, it can integrate various social...

In this paper, the design of cucumber harvesting manipulator is completed by using the mechanism instead of the joint type design on the basis of horizontal cucumber planting mode. For the harvesting manipulator, the kinematics simulation of the mechanism is analyzed carried out by Adams. Based on the...

The purpose is to study an improved cuckoo search algorithms in target assignment via the analysis of the characteristics of air defense interception and the demand for weapon target assignment (WTA). As for the threat of multi-batches and saturating targets, the random coding method based on the minimum...

This paper introduces a kind of high efficiency, safety and low cost PCB board etching device which is suitable for the university laboratory, the scientific research unit and the small electronic enterprise based on FPGA. The system uses FPGA as the main controller, the temperature of the solution is...

In this paper, we studied the design about the snowboarding runs based on Genetic Algorithm (GA). GA is an adaptive optimized algorithm of probability search which simulates heredity and evolution of biology in environment. Assuming athletes reach the highest height as they can, we proposed a model with...

In this paper, the methods of population prediction are analyzed and studied. Considering the limitation of using the grey model and BP neural network, we established a new combination prediction model based on the two intelligent algorithms. First, the grey model and BP neural network were used to do...

The underwater animals detecting robot collects images by using a camera, and the watershed algorithm can implement image segmentation. The robot can discern creature under the water with its' advantages of reducing workload and improving work efficiency. The hardware platform of under water animals...

The design of the video transmission system has been applied more and more widely in the daily study and life. In the meantime, implementation and optimization of the system which track moving target's algorithm are also of great significance. In order to adapt the development of daily demand, we build...

Based on PLC control technology and RS485 bus network communication technology, a multi - channel electrical information acquisition and control system provided by this paper for teaching building to achieve centralized management of the entire teaching building and prevent serious waste of energy resources....

In order to measure the weight of yak more conveniently and effectively, based on BP neural network, this paper provides a portable dynamic weighing System for yak. The wireless transmission mode is adopted between the acquisition module and the instrument in this system and weighing platform is added...

In some applications, the intelligent car needs to walk along the wire. This paper presents a control algorithm for smart car to track the wire. We developed and implemented an algorithm on a smart car with a metal sensor, a single coil, a LDC1000. We conducted a number of inspection tests to verify...

This paper studies the design of toll plaza based on genetic algorithm. Based on the idea of the function value of the genetic algorithm, the area of the toll station and the traffic accident rate are taken as the objective function, to find out the optimal value of the construction cost under the influence...

Automobile Proving Ground is the test platform for commercial vehicle manufacturers to test prototype vehicle in which the special roads can save test time and accelerate the speed of development of a new car. However, the pavement of the roads will inevitably be damaged with the extension of the service...

The small-scale specialized households are the main body of the project of cattle feeding based on crop residues (CFCR), they are accounting for more than 90%. However, the numbers is quickly declined in recent years for the poor economic effectiveness of specialized households. This paper explains why...

A P-band high-efficiency, high power GaN power amplifier is designed and relized on the basis of the push-pull structure. The LRC-LC stability network is proposed and applied to the power amplifier circuit for the first time. The LRC-LC stability network can significantly reduce the high gain out the...

Combined with engineering application practices, we plan to collect dynamic data from various types of substation equipment, so as to implement an intensive state warning and diagnose system that faces the whole power grid in a province. In order to solve the problems of data exchange and application...

The breast cancer is the most common cancer among women. To detect it in an accurate way, we designed a new abnormal breast detection system based on the hybridization of particle swarm optimization and biogeography-based optimization. The simulation results showed the sensitivity achieved 87.90ñ0.88%,...

As increasing of the network users and network service provided, the network management has changed from the traditional network quality management to the service quality management. For the of the service control and indicator system, the network operation has been unable to meet the needs of network...

In the micro electro-mechanical system, the electrostatic coupling of the micro-beam at both ends is often used as the driving structure, so it is very important to study the static analysis of the micro-beam structure. The relationship between the geometric structure parameters and the maximum deflection...

This design is a system which makes use of wireless technology to control circuit. The main engine of the system is composed by STC89C52SCM, key, DS1302 (clock chip), 315Mtransmitter module and Light detection circuit. The slave is composed by 315M wireless module and pyroelectric infrared human body...

6LowPAN (IPv6 over Low-power wireless Personal Area Networks) is a low-speed wireless personal area network standard based on IPv6, the key technology of which is IPv6 Routing Protocol for Low-Power and Lossy Networks. In a 6LowPAN network, the network topology is typically dynamically formed, so the...

This page proposed a Water dispenser water temperature and water yield control system which used MCU AT89S52 as the core, it can be achieved heating water and monitoring water levels. To preset temperature through the input module, to detect water temperature by waterproof model DS18b20 temperature sensor...

Multi-tenant service customization is one of the core technologies to implement the SaaS multi-tenant software architecture, which can meet the changing needs of individual tenants. In order to broaden the intelligent application of ant colony algorithm in SaaS and improve the service quality and efficiency...

The advent of the big data age has provided great convenience for people in some ways, while it appeared some drawbacks recently, such as a large number of users' data being leaked and people's privacy being exposed to the public. It brought great trouble to those whose information has been exposed....

According to the actual transmit situation of v-belt ,analyze radial deformation and circular deformation of any position of dynamicarcarea of driving wheel and driven wheel and the method and Formula Equivalent Coefficient of friction direction angle is given; on the basis of a practical example, a...

With the rapid development of computer network technology and the popularization of Internet, resident's living standard has been increasingly improved. People have higher requirements for residence as well as residential community, and the smart community has just met people's new demands. Besides,...

Artificial intelligence is an emerging science, which studies and develops theoretical methods and techniques for simulating and expanding human intelligence. Today, artificial intelligence has made significant achievements in pattern recognition, knowledge engineering, robotics, etc. But it is far from...

This page proposed a vending machine simulation system which used MCU AT89S52 as the core. In this paper,The design process, hardware selection and software design process of the vending machine system are introduced in detail, and expounds the basic principles of design. The system can be realized automatic...

In this study, an experimental platform for observing the real-time performance of control algorithms is designed using rapid control prototyping. Details of the use of the platform, as well as the design and debugging process for the Ballbot controller are presented. The platform achieves seamless connection...

This contribution providing a new test platform using FAUHABER linear motor and dSPACE is proposed based on the engineering application of shape memory alloy wire actuator. In this platform, a sinusoidal signal is input to the shape memory alloy wire to acquire the parameters. The dynamic model is identified...

The processing time is one of the most common uncertain factors in the workshop production, which has a significant influence on the scheduling of production. In order to address the flexible job shop scheduling problem with uncertain processing time, a flexible job shop scheduling combined strategy...

A new robust disturbance observer was proposed in the article in order to estimate the modelling uncertainty and external disturbances. Based on the design of the nonlinear disturbance observer, in order to enhance its robustness, the observer is improved by the application of the principle of sliding...

For the low efficiency problem and the search domain widely in UAV trajectory planning, the gradient search is innovated in the traditional particle swam optimal (PSO) algorithm, then a new gradient particle swam optimization algorithm is designed by neighboring group optimization guiding population...

The scientific management of missile spare parts is to improve the efficiency of equipment management, improve equipment readiness, one of the core contents of recovery and improve the battle effectiveness of the army. At present, missile spare parts management and prediction lacked the work which based...

Based on the NaSch traffic model, we propose a mixing traffic flow model for a multilane system. In this model, the characteristic of Self-driving, Cooperating Cars are abstracted as rules, to make the traffic model can be applied to the traffic with Self-driving, Cooperating Cars. Through the simulation...

Before 2004, the temporal pressure control technique and the well control equipment could not completely meet the requirement of exploration and development in the Tarim oil field surpressure gas reservoir (more than 70 MPa).Throughÿsettingÿandÿanalyzing of more than 10-year site investigation, theoretical...

The Cr7C3 coatings used in a helicopter transmission system was peel off in service life. In this paper, the causes of the crack are analyzed by experiments. The results show that peeling mode is contact fatigue flaking. The reason for the peeling is that there are many crack sources in the coatings....

In order to solve the problem which about the information traceability in the field of automobile wheel, a method of dynamic segment the aluminum wheel images based on rotation histogram is proposed in this paper. And in this way, we can extract the information region from the back cavity of aluminum...

In order to improve UAV's operational efficiency and survival probability, the optimal path of an UAV should be designed before the UAV performs a mission. This paper applies UAV's constrained conditions to the search strategies of ant colony and use a new evaluation method of path's cost. The algorithm's...

Based on long-distance air combat tactics decision and against the long-distance autonomous attach placeholder problem of UCAV, the paper proposes a tactics maneuvering decision method. It constructs a threat evasion objection function and rapid target approach attack objective function, selects corresponding...

Analyzed and quantified the low carbon supply chain carbon emissions by using life cycle method, analysis of all aspects of the decision factors, cost and carbon emission index, considering the cost targets and carbon emissions, a multi-objective mixed integer programming model is established to solve...

Cloud users want to get a full control of the virtual computing resources in a cloud platform, a trusted cloud computing technology provides a reliable measure in the root for the cloud platform, but it couldn't provide fine-grained credible support services, and can't meet the demand of users the flexibility...

Ship transient noise generally has the characteristics of strong energy, short duration, and frequent appearance and so on, for sonar, these features not only affect their own working performance, but also are easily detected by enemy sonar, so, grasping the features and magnitude of underwater radiation...

With the improvement of the level of medical information, the major hospitals have the appropriate medical information system (Hospital Information System, HIS) to manage clinical medical data. However, because of the difference of HIS, the structure of clinical medical data is also different, which...

This paper integrated item domain features, time factors and user ratings, using TF-IDF method constructing single member user preference model in each feature. Then, analyze the interaction between groups of users and the influence of user preference on group model by calculating the similarity of user...

PLC technology and PC machines is combined together in order to design a visual remote operation and monitoring system which based on the configuration software. PLC technology and PC machines communicate via MPI and PROFIBUS-DP to make remote operations and monitoring fast and reliable. This system...

This paper uses almost the latest SSR (by March 3, 2017) to present nearly 18,000 in-orbit objects which can be detectable by the ground with the size greater than 10 cm. After the statistical comparison and requirement analysis, this paper selects SSO orbit and its perimeter zone to be the target region...

ARMA modeling and filtering methods for HRG random error are studied. Firstly, the model is constructed by analyzing the autocorrelation and partial correlation of HRG stationary random signals, the applicable model is build, and then the model order is estimated. Then, the residual parameters are obtained...