with the quick development of express industry, the courier needs to safely and quickly send things to customer house. As for customers living in the high building without elevators, it is very dangerous for courier carry large-scale things such as refrigerator, TV sets to upstairs and downstairs, which...

With the rapid development of electronic technology, household devices have been developed to automatically sense environmental changes by automatic sensing system. Smart home, the trend of future lifestyle, has been payed specially attention both in academia and industry. Smart home system covers the...

In many industrial fields, there always exists mechanical regular movements, for example, the movements of reciprocating pumps in an oil field, which brings limitation for the detection. The tranditional methods including background subtraction cannot be used directly. In order to fit the scene with...

In this paper, an adaptive control design and stability analysis for a class of uncertain systems with unknown models is carried out. In particular, the adaptive control effect analysis is carried out based on the assumption that the unknown system mode is estimated with the wrong mode information. Based...

The mobile drive system is an very important part of the robot, and the structural design of drive system for anti-terrorism robot will be discussed in this paper. The structural design of drive system mainly include: mechanical structure design, explosion proof technology design and power calculation....

Vehicle technique information is important for the repair workshops. A non-profit web site is built to publish the resources acquisition of each vehicle which is provided by the manufacturers. The platform composition is briefly described and a method of data conversion with VBA technique is implemented.

In order to change the present situation that the traditional axial piston pump can only change flow by controlling the swashplate angle,this paper designs a precision piston pump, introduces in detail its structure and working principle, and uses harmonic gear reducer to improve transmission accuracy...

To solve the problem of continuous and steady work and obstacles avoidance of ammunition loading robot, the trajectory plan method of ammunition loading robot based on cubic-B spline has been put forward. The paper analyzed the solution of cubic-B spline, finishing the obstacle avoiding trajectory plan...

To fully use the performance degradation similarity of the congeneric barrels, for the traits of nonlinear and small sample during the performance degradation process of a barrel, a dynamic prediction model on remaining useful life (RUL) of barrel is proposed, on the basis of fuzzy c-means theory and...

This paper is based on the Beidou satellite navigation system for heavy trucks weighing dynamic monitoring of a system overload, overload monitoring paper discusses the principle of overload monitoring systems, methods, and each unit of software and hardware components. Monitoring system to collect by...

according to the multi-user characteristics in monitoring platform, the article uses the RBAC privilege management model being popular at present, which tell about the design and implementation of permission management, and which explain the system relating, demand analysis, the design and realization...

This paper studies the synchronization problem of a class of chaotic systems. The mentioned synchronization scheme consists of identical master and slave chaotic systems. By analyzing structural characteristics of nonlinear vector field of the error system, a new approach is presented to synchronize...

The PID controller design and parameter choosing problem are analyzed in detail. Especially, seven good conclusions are proposed for the choosing of coefficient of PID controller design for a first order system. Also single P control and PD control effect and the reason of steady state error are studied...

Dual-stator toroidal motor with hybrid excitation is a new-style motor, it integrates power and drive function. The mathematic model of the motor system was derived based on the operating principle of the motor. In order to improve the response characteristic of toroidal motor, a fuzzy self-tuning PID...

This paper introduces the function and the work principle of a high-temperature gas trial system (HTGTS), elaborates the importance of gas temperature control in the system, and provides the mathematical models of the system. According to the problems such as time delay, time-variant parameters, interference...

According to the application of sediments in the research of deep sea,this paper designed a kind of Time Series Sediment Trap control system.This system used MSP430 microprocessor, combined with the clock chip, stepper motor and sensors,realized the equipment working under water for a year,and recorded...

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...

The popularity of smart sensing devices is greatly convenient for extensive collection of information. The information collected may include providers' private message, like location, personal identity, and so on. For protecting information providers' privacy, we design the information transfer mechanism...

In our study, computer graphics are discussed and they are collected by the image sensor with an analog electrical signal. During acquisition of image, 3D space is relative to the camera system of different viewpoints with the same goals, it will cause the target respect to the change in orientation...

Home wireless monitoring problem is the subject of today's cutting-edge research in the field of International Intelligent Building. Advent of wireless sensor networks to overcome the household wiring cumbersome, fully embodies the flexibility of smart home system, convenient and efficient. The project...

The accuracy of the camshaft directly impact the noise, dynamic performance and economy overall performance of automobile engine. This paper will measure the repeatability of the current index value of automotive components testing equipment corresponding analysis and give a set of the integrated measuring...

The L1 performance analysis is studied for continuous-time interval positive systems. In this paper, necessary and sufficient conditions for stability and L1 performance are established for positive linear systems through linear inequalities.

In this paper, a novel approach to dynamic output-feedback control is established for positive systems with interval uncertainties. Necessary and sufficient conditions for the existence of robust controllers are established.

Research on how to use the video or image sequence variation in the shadow of the sun to determine the time and space that captures the time and place locate problems, combined with solar elevation angle formula, established a shadow the length L and the latitude , longitude , sun angle , height and...

Firstly, explained the situation and development trend of indoor positioning technology, and discusses the use of UWB signal indoor positioning technology to achieve the principle of further argues that the analysis of the indoor positioning system solutions. By combining the latest technology of the...

This paper has a research basis on the leveling data of 5 years from 2008 to 2012 in cross-fault grounds of Fujian and Jiangxi province, by means of establishing three-dimensional finite element model to calculate the level of observed changes across the fault when the fault dip angle and the fault strike...

From in-depth research on the basic principles and architecture of search engine, through secondary development for Lucene development package, this paper designs an entire search engine system framework, and realizes its core modules. This system can make up for the deficiency of the existing Lucene...

In many fields of scientific research and production practice, the temperature control occupies a very important position, especially with a pivotal role in the industrial and agricultural production. With the development of electronic and computer technology, PLC from the original amount of simple logic...

DC motors convert electrical energy into mechanical energy, compared with AC motors, DC motors have many advantages good speed performance, high starting torque and overload, etc., it is widely used in machinery industry. MCU control DC motor is a typical application in mechanical and electrical control,...

According to main circuit characteristics of chopper cascade control system under steady state, and system speed characteristics, mechanical characteristics, differential equations of main circuit of chopper cascade control system is established under state-space averaging method. Using the second-order...

In order to identify the power oscillation of the power grid and take the corresponding measures quickly,a method of identification for power oscillation based on the measured signal curve in power system is proposed.The measured data is processed to extract the overall trend of the signal and combining...

Portable through wall radar display and control system is bridge between the radar signal process system and users. On the one hand, radar display and control system receives the origin image signal and present it to users after processed it, on the other hand, the system receives the users' instructions...

In this paper, we conduct research on the data mining and pattern recognition algorithms and the applications on information security engineering. The complete solution for network security firewall defense should have not only, should also be real-time monitoring to the network as can find intrusion...

With the development of the transmission line, it is more and more important to analyze the unbalanced tension of the tower. The non-contact method of measuring the insulator deflection angle uses image processing techniques, and the experimental results show that this method has better recognition speed...

In order to solve security problems such as user privacy information revealed after mobile phone lost, based on Android broadcast mechanism and backstage service technology, improved data storage way and self-startup mode of original mobile phone security software, added SMS encryption message broadcast...

This paper sets up the communication network model to explore social information network's evolution. The communication network model consists of topology structure, communication capacity analysis and topology prediction. Nodes are composed of five kinds of media. Links indicate that there is information...

In order to analysis marine detection performance of the satellite-based AIS receiving system and provide a reference for related algorithms, the relationship between signal detection bit error rate(BER) and detection probability is analyzed and simulated, besides, the detection BER is simulated at different...

The most prominent feature of the thermal battery is the high discharge current density,especially pulse discharge,which has high specific energy and power;followed by a short activation time,very flexible to use,this is unmatched by other battery;followed by the ability harsh environmental conditions,particularly...

Aiming at the problems of real-time and reliability of the Network Control System(NCS) in coal mine automation, the performance of monitoring system based on Industrial Ethernet is studied. Through theoretical analysis and computer simulation, the real time performance including network delay, sampling...

DMA is often used to transfer data between different kinds of memory-mapped slave endpoints. It is a common peripheral component for DSP. In order to make full use of the time during the reading and writing, this paper proposed an intelligent DMA. Compared with the traditional DMA, a newly designed operational...

Aiming at the problems of tower crane safety performance assessment and prediction, put forward a scheme of tower crane safety monitoring based on large data analysis, this scheme provides a three-level architecture. Rank field by field data acquisition unit is responsible for collecting various operation...

A ballistic missile detection performance index system is constructed of the skywave OTHR based on the ballistic missile detection characteristics of the skywave OTHR system. Combined the AHP method to the GRG method, the index weights of the index system are computed. With the theory of cloud gravity...

Based on the research prototype of six-joint robot, Googol GRB3016, the virtual prototyping model was built by utilizing the dynamics analytic software ADAMS of mechanical system. This article sets up the constraint parameters and carries out the inverse kinematics simulation of the manipulators' motion...

This paper researches a 3D positioning scheme for emergency rescue of trapped firefighters at the fire scene. This scheme adopts Chirp Spread Spectrum (CSS) and its particular Symmetric Double-Sided Two-Way Ranging (SDS-TWR). Combining BMP085 pressure sensor to measure altitude, it can implement 3D positioning...

There are three different frame formats in standard IEEE 802.11n which are mixed format HT (high throughput), non-HT and green field HT. Two types of signal were proposed in different frame formats, HT-SIG and L-SIG. Since both L-SIG and HT-SIG are BPSK modulated, the HT-SIG is rotated by 90 degrees...

In recent years, malicious JavaScript code has become more and more pervasive and been used by attackers to perform their attacks on the Web. To evade the detection of defense measures, various kinds of obfuscation techniques have been applied by the malicious script, taking advantage of the dynamic...

Considering the fact that the video surveillance coverage remains far from adequate across the rural, this article initially proposed a new investigation system on mobile terminals. Firstly, the portraits or valid documents were easily got by using mobile terminals which were then automatically collected...

In this paper, a binocular vision system is adopted to realize the positioning of the robot. By using color and shape recognition method, the target image is processed by image processing, and the target image is obtained more complete and accurate, and the position of the target object is obtained by...

As PDES (Parallel and Discrete Event Simulation) applications become larger and more complex, program test for these applications becomes quite difficult. Current test approaches mainly rely on adding test code into program manually to record model data and to execute the given test cases, which are...

With the increasingly strict requirement for computer system security, access control models have become more complex. Existing models, such as discretionary access control (DAC) model, mandatory access control (MAC) model, role based access control (RBAC) model, and attribute based access control (ABAC)...

With the rapid development of economy, our country's marine transportation passageways get more crowded. Especially in the region of Taiwan Strait, crude oil import in East Asian districts as well as the transportation between lines in the North and South makes traffic busier than ever before. Besides,...

Based on the solution of Laplace equation in parallel using FVM with unstructured hybrid mesh, the paper studies the calculation of added mass for underwater vehicle. The method is accurate and efficient, which is applicable to both simple shape bodies and complex shape bodies with large curvature and...

According to deviation of measurement when most of flowing turbidimeters are used to detect low turbidity water, a new usage of sensor structure is proposed through theoretical analysis and guidance. To meet the needs of the new usage, the constant current source circuit we designed shows its advantage....

To improve the inclined lane car braking reliability, in this paper, the theoretical analysis of the braking force and the brake parameters of the inclined roadway are carried out, developed a new type of hydraulic track brake device. The device use two levels of the hydraulic cylinder symmetrically...

Network traffic abnormal directly reflects the health status of the network and real time detection of network traffic abnormal is very important. Hereby a method of network traffic abnormal detection method based on ensemble empirical mode decomposition (EEMD) was proposed. The historical network traffic...

Though the artificial potential field applying to the path planning of mobile robot has the advantages of rapid respondent speed, small computation and real-time property, there are still problems such as the goal unreachable and existence of a local minimum point value, thus the improved artificial...

In this paper, a multi-objective optimization model is established for the search of missing aircraft considering the time, efficiency and cost. First, a probabilistic model is developed to determine the distribution of the aircraft's falling zone. Secondly, we provide a fair estimation of cost based...

In this paper,an algorithm is proposed to recognize polygons. As a characteristic invariant the affine invariant triangle areas ratio of the same hemline was used to describe the polygon,and the fuzzy theory was applied in its recognition. Firstly,a pair of edges of two polygons-a target polygon and...

In this paper, the bathtub water thermal insulation problem has been studied, it analysis the effect to heat dissipation caused by body movement, and determine the input hot water flow and the output water flow according to the law. Thereby keep the bath water temperature close to the initial one. Firstly,...

For the research of restoring the atmospheric turbulence-degraded images, an estimation algorithm of the point spread function based on singular value decomposition and telemetry prior information is proposed. The experiment shows image restoration effect of the proposed estimation algorithm.

Wireless sensor network localization technology is currently a hot research topic. WSN is a special self-organizing network, Range-free positioning technology at the advantages of its low cost and its simple hardware equipment has been widely concerned by the researchers. Therefore, this paper studies...

Spare parts are one of the important supporting resources of equipment. According to the different distribution of maintenance time in spare parts support model, the model of spare parts support models with exponential distribution and constant distribution are established. According to the maintenance...

The objective of this paper is the implementation and validation of an adaptive controller for linear systems with state delay. The contribution of this paper is the design of an adaptive controller that guarantees the stability and performance of the given system, even when the nominal conditions change....

Data processing of measurement were discussed in this paper, including the processing of measurement error, assessment and presentation of measurement uncertainty and processing and reporting of measurement results. The importance of measurement data processing in the measurement control system was clarified.

The metrological confirmation of measurement equipment was discussed in this paper. The relationship between the accuracy of measurement equipment and the data issued was analyzed. The important significance for the metrological confirmation of measurement equipment in the measurement and control system...

The source and development for measurement uncertain were summaried in this paper. Measurement uncertainty and measurement error were analyzed. The important significance for evaluating uncertainty of measurement result was clarified.

A new terminal sliding mode control of MIMO linear time delay system is proposed in this paper. By inserting a time delay term in sliding mode, a new terminal sliding mode is developed for MIMO linear time delay systems. A terminal sliding mode controller is designed to drive the system state variables...

This paper discusses an automatic control experiment box applied to engineering education and competition trainings. Based on the analysis about common functions of robots, this paper generalizes four modules: control circuit module, mechanical action module, acoustooptic display module and information...

Intelligent network interface cards are widely deployed in databases, web servers, big data analytics, shared mass storage, virtualized network device, router, and firewall. This paper presents an intelligent NIC design based on Freescale T2080 processor. It is a PCI Express card and provides two SFP+...

In this paper, we propose an BGP routing instability detection algorithm that is based on statistics and pattern recognition through deeply learning BGP-4 and seriously analyzing the cause, properties, Manifestations of BGP routing instability, and verify its correctness and effectiveness by using SSFNet...

Abdominal aortic aneurysm (AAA) is a local enlargement of the abdominal aortic. It can bring 90% mortality rate when the aneurysm expands gradually until rupture. Clinically, the stent interventional procedure is an effective means of treating the disease, which requires clinicians clearly understand...