The establishing for involute helical cylindrical gear and involute helical bevel gear were completed based on Pro/E. The simulation for assembly and operation was also accomplished for them.The modal analysis, static analysis and the dynamic contact transient analysis for the involute helical gears...

This paper introduces a kind of intelligent greenhouse measurement and control system based on embedded technology and wireless communication technology. The hardware and software control flow of the system are described. In this paper, the method of measuring and controlling the conventional environmental...

In this paper, the R-function theory(RFT) is applied to solve the f bending problem of slip clamped shallow spherical shell. Firstly the fundamental solution of the biharmonic operator, the boundary equation and the R-function are used to construct the quasi-Green's function. Then the model governing...

The high iron screw pile construction technique is a new technique, a kind of foundation reinforcement by representative districts to the manufacturability of pile test, the parameters determined by test pile construction, fixed in time according to the problems found during the process of test pile...

In present paper, by installing the wind tunnel consisted of the spirally-reinforced-groove pipe with the diameter of 325mm, the velocity at different radial positions is measured in the text section where the flow is fully developed into the turbulent. Correspondingly, the velocity profile is obtained....

The technology of software defined networking, which introduces the concept of centralized control, provides a new idea for the intelligent network. Meanwhile, it also introduces the control delay in the end-to-end transmission delay of the service. Industry network has extremely high requirements on...

Resource-constrained test task scheduling problem (RCTSP) is a key problem to testability scheme optimization of materiel. Analyzing the constraints of resources and technologies in testing, a multi-objective optimization model is founded in which objectives are testing time and testing cost, and an...

In the process of space target surveillance system to obtain the target image in space, due to the impact of imaging equipment is limited and some other random factors, Therefore, the final image is blurred and distorted, so it is difficult to estimate and track the target in the later stage. In this...

The dynamic tension is difficult to be measured, but it's very influential of ultra-deep multi rope winding hoist during the working process, the wire rope dynamic tension signal detection system of multi rope winding was designed by the virtual instrument. With the maturity of the technology, LabVIEW...

In the computer aided design of doors and windows, the computer only accurate positioning of fan region in the original frame position to further the design of the plastic window. Based on the design software of a door and window, the concept of convex hull in computational geometry is applied to identify...

In modern industrial production and life, the automobile has become an important means of transportation. However, with the increase in the number of cars, traffic accidents are also increasing. Therefore, the requirements of the performance of the car is also getting higher and higher, and intelligent...

With the development of industrial automation, smart car has been widely used in industrial production. Smart car with automatic tracking, automatic obstacle avoidance, color recognition, wireless remote control and other functions. Able to work in humid, dusty, greasy spots and other harsh environments....

With regard to non-conduction phase and non-commutation current pulsation in brushless DC motor for aviation in conventional two-two conduction based drive mode which are not only to restrict range of speed regulation of motor but also lead to larger torque pulsation, a continuous three-phase current...

The simulation model of the weight-fixed loading hydraulic system with skip at Wangshiwa Coal Mine was built to analyze the flow and pressure change of the system. According to the simulation results of one working cycle of hydraulic fix-weight loading, the lifting speed of hydraulic cylinder is smooth;...

One purpose of government micro-blogging is to provide services for the public. Therefore, it is of great significance to study the users' characteristics and clustering user group for providing personalization services and micro-blogging's operation and management. In this paper, a measuring interaction...

It has become well known that knowledge about key network members is essential for monitoring public opinion and controlling rumor propagation effectively in online social networks. According to global topology of online social network and coritivity theory, a coritivity-based method for finding key...

In this paper, we measured liquid surface tension coefficient of the 20 degrees' pure water by FD-NST-I liquid surface tension coefficient measuring instrument, and made further discussion of when to read the number of digital voltmeter. We divided the pulling escape process of ring leaving liquid membrane...

The waveform of acoustic signal when the vehicle passing the deceleration strip is obviously different from where it driving on the normal road, of which the characteristic parameters can be extracted and is essential to automatically identify the quantity, speed and type of the vehicle. Extracting the...

In order to avoid premature death of cluster head nodes, a clustering approach is proposed in this paper. The nodes are labeled as different colors according to the value of the remaining contribution. The cluster head is elected by the color. It is able to reduce the rotation of cluster heads and maintain...

The simulation model of X-Type leg hydraulic system of a concrete pump is established based on AMESim according to the working principle of X-Type leg hydraulic system, and the dynamic characteristics of X-Type leg hydraulic system is analyzed. The research result provides some reference for design and...

A greenhouse monitoring system based on wireless sensor network is constructed to collect and transmit the greenhouse environment parameters and acoustic emission (AE) signals under crop disease stress. Low power consumption single chip ATmega8 and sensors for environmental parameters are used to monitor...

In this work, we proposed the control method for a robotic rotary hydraulic actuator. We have designed and fabricated some prototypes of rotary hydraulic actuators. Because of valve dead zone, load disturbance and variable hydraulic pressure, the simplex PID method can't meet the control complexity....

Control Network (CN) has been developed in many field. The application of intelligent community has no far from our life. In this paper, we propose the establishment of CN based on wireless IP service. Common device can access network rapidly through wifi or Ethernet. The development of application can...

In this paper, provided a solution that evidence are sequentially used in pair aiming at the problem of multi-evidence combination. Several theorems and deductions are presented and proved. The step-by-step combination algorithm mixing the classic Dempster-Shafer evidence combination method and the weighted...

A large amount of real-time traffic data supports the processing requirements of traffic state discrimination and prediction. Therefore, accurate real-time traffic information can be grasped for effective detection of outliers. In this paper, an optimized AdaBoost model for screening abnormal traffic...

Upper-equipment mounting system is playing more and more important role in the field of transportation vibration isolation. This study summarizes configuration categories, development and research status of the mounting system. Research direction future need of the mounting system is also proposed.

Aiming at the characteristics of unstructured environment, this paper proposes a new type of wheel-leg compound mobile robot suitable for unstructured environment.This innovation is that the robot adopts the wheel-leg compound configuration and sliding structure of the fuselage, and it can carry out...

Aimingÿatÿrealizingÿthe type prosthetic movement control problem to use the principle of blinking detection and recognition, the basic structure of a blink of an eye detection and recognition system was built,ÿthe basic principles ofÿÿthe blink of an eye detection and recognition wasÿintroduced, the...

Robot artificial limbs has six degrees of freedom. elbow tilting mechanism is driven by a through type linear motor. To determine the elbow installation structure of driven by linear motor, this paper uses the optimization design method, to determine the structure design of the optimization variables,...

Bucket teeth are located at the end of a bucket, which enable the bucket to dig into soil with a lower resistance. In this paper, the configuration information of a claw tooth of mole crickets was extracted and used for designing the configuration of a bionic bucket tooth which was modified from the...

Aim at the improving requirement of quality defects found on spot inspection of marine steel castings, based on the experience of on-site inspection summarized for over 20 year, the key segments of spot inspection for marine steel castings were analyzed, mainly including to study and to be familiar with...

In recent years, to develop intelligent manufacturing and lead manufacturing industry to complete reform and industrial upgrading in a benign way has become an important means of promoting our country to join the new round of competition in the global manufacturing industry. Focusing on the evaluation...

This paper describes the definition and technical basis of Internet of Things, and explores the generation and development of Internet of Things, then introduces the impact of the Internet of Things, including the impact on individuals, cities, and even the country. The author slso analyzes the professional...

This paper use migrating birds optimization algorithm to minimize makespan on hybrid flow shop problem firstly in the literature. According to the characteristics of hybrid flow shop problem, this paper proposed a job sequence adjustment model based on probability. Then combined the adjustment model...

Time-domain average is a common method of extracting cycle heft that we are interested in from complex cycle signals that get along with noise. When it was put into practice, because of cycle truncation error, it can't gain satisfactory effect. The fault vibration signals of the gear were measured in...

Aircraft target detection in airport remote sensing image by deep learning is a hot topic of current research, however, training deep network model needs a large amount of datasets, and there is no website or the specialized agencies to collect remote sensing images of airport. To solve the problem,...

With the rapid development of online economy, cross-border e-commerce has become a hot spot for scholars and investors. Due to the weakness of international trade, the opportunity for developing cross-border e-commerce is coming. Africa is an ideal capacity to undertake, with high return on investment...

Rubber tree push the cutter blade in the work of easy to glue, not wear and artificial tool grinding requires professional operation, and the workload is relatively large, longer, less efficient, the article for the above technology status quo. In this paper, the design idea, working principle and structural...

According to the calibrating requirements of a teaching manipulator in a glaze-spraying robot system, an auxiliary calibration device based on 3-RPS parallel mechanism was presented. Firstly, the 3-RPS parallel mechanism and other related components were designed. Then the kinematic capability of the...

According to the natural rubber deep fertilization ditch depth of 10 ~ 30cm between the width of 30 ~ 40cm between the requirements,we developed a fine ditch fertilizing machine. This paper introduces its structure and principle in detail. The machine uses a hoof-shaped furrow structure and centrifugal...

Based on the theory of Surface Plasmon Resonance(SPR),the technique of Surface Plasmon Resonance was described and a detailed mechanism of the Fiber-Optic sensing has been discussed.The influence of the real and imaginary part of metal membrane'dielectric constant,the thickness of the metal,the refraction...

The design is based on control system of 51 series MCU intelligent soybean milk machine. The soybean milk machine can set the timing of making soybean milk and selectively make soybean milk with beans, coarse cereals, vegetables and fruits. The whole system has multiple functions such as detection of...

Path planning of mobile robot is a complex issue involves computing and optimizing a collision-free path between initial position and destination, which requires the method reliable and efficient. This paper introduces an improved artificial potential field (APF) based on nonuniform decomposition method....

Roller bearings are commonly used components in rotating machinery and are pruned to be failure, which may cause the system break down and result in economic loss. Therefore, performance degradation prediction of rolling bearings is important to prevent any unexpected roller bearings failure. In this...

High definition video image mosaic technology has been widely used in various fields, with high accuracy and good real-time performance. Based on the research of video image mosaic algorithm which based on SIFT, a new H-SIFT image mosaic algorithm is proposed, which is suitable for real-time mosaic of...

Obstacle identification has been widely studied as part of the broader obstacle detection research area for Autonomous Vehicles (AV). Existing in-vehicle sensing systems are concentrated on obstacle detection for pedestrian or vehicle, and limited work has been conducted on multi-class obstacle classification....