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Development of NC system HMI requirements, construction and development of the numerical control system human-machine interface system based on the AM3352. WinCE system, introduced in Qt language design and development method of embedded numerical control system human-machine interface. Design of human-machine...

The control problems of quad-rotor flight such as under-actuated control, strong coupling were analyzed. With a simplified dynamic model of quad-rotor based on Newton - Euler equation, a double-loop PID controller which consists of the inner attitude control and out position control. According to the...

For the purpose of this article, there is a huge amount of work in feature extraction, selection and other aspects using traditional supervised machine learning methods, and features for different applications often required different scenarios which need to manually design, but with the final result...

The traditional management methods of electrical and electronic laboratory have not satisfied the development of application-oriented university. To educate student comprehensive quality and creation ability, improve the quality of experiment teaching and increase the working efficiency for lab managers,...

Through the J City water supply network hydraulic model, QF pumping station optimization scheduling scheme is designed by genetic algorithm. And analyzing the working days and weekends in different working conditions. After the implementation of the optimal scheduling scheme, the power consumption of...

WNW7.0, software for water distribution analysis and design, is used to establish the hydraulic model of water distribution system in a northern city of China, and to analysis the changes of pressure and water quality in the water distribution system after applying single DBS and double DBS. The results...

Since the theory of aircraft engine electrical system was more complicated and difficult to master for maintenance support personnel, a novel scheme of simulation system design for maintenance training was proposed. The mechanical frame of the system was based on the original aircraft engine and electrical...

put forward an agreement of safety range query that possesses privacy and completeness protection aiming at low-energy and high-privacy protection required by range query in two-level wireless sensor networks: SPQ(Secure probabilistic range query). SPQ consists of technologies like data encryption, prefix...

There are many different kinds of machine element, with professional development of industrial production, only a few machine elements needed by factories are for their own production, most are needed to be purchased. Using purchase quotation system for machine element is an effective mean to ensure...

Carrying out mechanical equipment operation management can improve the economic efficiency for enterprises, prevent accidents, ensure production safety, and promote the reform of machinery and equipment maintenance system. Using computer system to manage is the necessary requirements for the information...

An intelligent metal linear expansion experimental instrument scheme brings for the existed problems aimed at measurement equipment of metal linear expansion coefficient. System by the processing core STC89C52RC adopts Holzer displacement sensor SS495A to measure displacement of metal bar expansion....

Since electric fires and induction hazards have a great influence on the safety of human life, in the process of electrical design we should take the causes of electrical hazards into consideration and give the corresponding treatment. This article involves the classifications and characteristics of...

Battery is still widely used in coal mine substation. Battery performance not only has direct contacts with its own quality factor, but also is closely linked with the battery charging methods. This article starting from the main factors influencing the performance of lead-acid battery, discussed the...

At present, the detection and diagnosis of thyroid cancer has always been depend on the puncture cytology of thyroid gland. However, this method (the puncture cytology of thyroid gland) demands high accuracy of the instrument and costs may stay at a relative high level. Under this circumstance, aiming...

In order to solve the problem that robustness in copying and pasting forgery detection algorithm is poor and detection accuracy is insufficient, this paper puts forward to image forgery detection algorithm of coupling Zernike Moment (Zernike) by Undecimated Wavelet Transform (UWT). Firstly, it uses Undecimated...

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...

Base on measuring principle of barycenter, the authors analyzed influencing factors of barycenter and measured barycenter of one Dura-axle vehicle according to GB/T 12538-2003. The result showed that the height value of barycenter is different when lifting vehicle for smaller angle, so when measuring...

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....

This paper introduces the design of a radar plane position indicator (PPI) fast debugging equipment based on USB. Hardware platform is a high-speed 16 channel date acquisition card -USB4716,which is based on USB. Its internal actual is 8 parallel 16AD module. The sampling length and sampling frequency...

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.

By studying the concepts of safety quality and the safety condition of electric power enterprise, an evaluation index system for employees' safety quality of electric power enterprises is established, which includes 4 first-level indexes, 11 second-level indexes, and 47 third-level indexes. Then, the...

The feature of electric enterprise safety management capability evaluation system was analyzed according to the new study of the safety management theory and the system theory. An evaluation index system of electric enterprise safety management capability was built up based on the study of the hierarchy...

This paper introduces the noise transfer function theory overview, After improvement proposed by the suspension of dynamic stiffness to reduce interior noise opinions, In an example of a compact car, We found the front peak problem by Accelerated conditions experimental test , Using the noise transfer...

An M-ary double-layer optical camera communication (OCC) system for intelligent transport system (ITS) is proposed. According to the importance of information, the message is split into different priorities. The low-priority data is transmitted with high data rate at the upper layer in high multiplexing...

Considering the urgency of integrated development between the satellite and ground, the integration of terrestrial LTE technology and satellite becomes a research hotspot. The transmission delay for GEO satellite communication is long, the SN length of existing AM PDU can't meet the requirements of satellite...

In using the TV-guided missiles to attack targets process, the target image segmentation process directly affects the attack effect. So, choose a suitable image segmentation methods to ensure high quality target image processing speed, real-time, is particularly important. This paper introduces a method...

In this paper, the model of the solar shadow end plane coordinates and the measurement of the latitude and longitude, and the measuring time are established. The solution of the video shooting location and date is given by the change of the length of the shadow in the video. And the application of genetic...

In order to study the shift control of power split continuously variable transmission (PSCVT), the integrated shift dynamic models for the set of engine, magnetic powder clutch and transmission are established based on the analysis of its configuration and working principle. The shift simulation shows...

A simulated electronic-controlled engine experiment bench was introduced. The experiment bench is on the basis of Buick V6 electronic controlled engine, which mechanical system is removed, electrical components are kept and a set of systematically complete automobile engine electronic control system...

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...

In geomagnetic navigation, the precision and matching efficiency are highly depended on performance of matching area's suitability. The paper summarizes the status and shortages of some main problems in choosing a suitable area, including feature extraction, building of matching feature system, analyzing...

Through the analysis of the water temperature distribution affected by the shape, volume, temperature of the tub and the person, this model finds the reason why it is so difficult to keep an evenly expecting temperature during bathing time. Furthermore, according to the water temperature distribution,...

Through the establishment of water on the surface of the heat loss and the bathtub wall heat loss of the two models to analysis heat bath total loss, as the foundation to find a most suitable strategy the person in the bathtub can adopt. Model of heat loss through water surface discuss the heat loss...

Transportation facility or automotive service enterprise location is an interesting and important issue. To improve transportation efficient, lots of researchers have addressed traditional facility location allocation (FLA) problem, e.g., the FLA problem with the minimum transportation cost or the maximum...

In recent years, More and more attention has been paid to Unmanned Surface Vessels motion control field. An experimental platform for USV based on wireless communication was introduced for USV motion control algorithm experiments in this paper. The structure and implementation of experimental platform...

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...

In recent years, characteristic of rocky pressure machines is developing from low-pressure and static to heavy-duty and revolving. In order to make the pressure chamber of rocky press rotate precisely, this paper puts forward to introduce hydraulic cylinder as a support of the workbench, thus satisfying...

Medical data in various organizational forms is voluminous and heterogeneous, it is significant to utilize efficient data mining techniques to explore the development rules of diverse diseases. However, many single-node data analysis tools lack enough memory and computing power, therefore, distributed...

Comfort is an important performance index of modern cars, and thus car production enterprises are making every effort to improve the comfort level of cabs. The cab suspension system plays a key role in obstructing the vibration passed from the chassis to the cab. A simulated analysis on the car cab suspension...

A kind of double terminal sliding mode surface is constructed with a subsystem with a terminal sliding mode. This new strategy is proposed to solve the height control problem of a kind of airship system. And the main goal is to compute a ideal pitch angel such that the height of airship can trace the...

Since the flash point of the electrolyte's organic solvent is very low, the use of improper dismantling way can easily cause the battery to ignite or even explode. Additionally, the residual voltage of the discard EV battery is very high, far exceeding human safety voltage. Improper dismantling way is...

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...

The median filter will cause fuzzy problems on edge details of the image when it is used to remove noise of an image. In this paper we discuss an improved median filtering method. Firstly according to the arithmetic mean we preliminarily detect signal points and suspicious noise points in the image,...

Under the circumstance of the big data, because of the low efficiency and low performance of analysis and calculation in stand-alone mode, the traditional recommendation algorithm is limited greatly, recommended time and recommended precision is difficult to guarantee. This thesis makes a improvement...

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...

According to the nonlinear function of relative power function order, the uncertainty function is classified as one order relatively bounded and two order relative bounded and higher relative bounded situation. Then in view of the above three categories of uncertain nonlinear system, PID control law...

Based on Kalman filtering theory in the time domain and Jordan decomposition theory for matrixes, descriptor systems can be changed into normal systems. Then an optimal descriptor Kalman filter is given. Compared with the previous results, it avoids the calculation of ARMA innovation model and white...

A kind derivative algorithm is discussed and the difference of numerical derivative and physical derivative is analyzed. What is more important is that the first step error problem is proposed and its bad affection to the system stability is shown by using a first order system as an example. Also the...