bluuebunny/crossref_metadata_2025 huggingface dataset:
Research on the Simulation of NC Milling Program Based on VERICUT Oriented to the Five-Axis Micro-Milling System
Authors: Zhang Xiang Hui , Sun Zhan Wen , Zhao Jin , Yu Hua Dong
Published: August 2014

In order to verify the correctness of the NC processing program which is generated by the post processing module of the Independently developed 5-axis micro-milling system, this article analyze the motion structure and obtained the topology relation between the feed shafts of the micro-milling system, established the milling simulation model of the micro-milling system by the VERICUT—the Virtual machining simulation platform. The milling process of an example part with a typical ellipsoid structure has been simulated by the milling simulation model and the correctness of the NC processing program and coordinate transforming relation have been verified by the simulation result.
Simulation and Parameter Design of a 10kw Wireless Power Transfer System Applied to Gantry Crane
Authors: Chen Dai , Kang Li Gui , Cheng Hang , Zhang Li
Published: August 2014

Gantry cranes are used throughout the materials handling industry. But conventional methods of power transfer to the cranes such as trolley conductor and wire directly connected have remained less than ideal, that is until the recent development of a novel wireless power transfer (WPT) system that is clean and spark-free, is robust to dust and water, and has very low maintenance. A 10kw WPT simulation system applied to gantry crane has been developed. The best compensation topology and the parameter have been studied in order to get high efficiency of the system. The study has been focused in showing the parameter design. Finally, the simulation has proved the validation of the proposed parameter design method.
Study on Split-Open Loading in V-Shaped Components Forming Process
Authors: Li Xu Bin , Zhang Zhi Min , Wang Qiang
Published: August 2014

Basised on the study of effect with different loading ways on v-shaped components forming process. Put forward a kind of split open control loading technology aiming at forming this kind of components. Studied the effect of key process parameters of split open loading on the quality of finish forging, the key process parameters scopeis given by avoid the finish forging defects. Using shunt split open loading process forming v-shaped components, make internal complex mold cavity filled full, improved the deformation uniformity, reduced the forming load.
Dynamics Simulation Research of Planar Four-Bar Mechanism with Multi-Joint Clearance
Authors: Bo Shao Jun , Si Zhen Jiu , Ye Qing Huai
Published: August 2014

On the basis of dynamics simulation software ADAMS,using a simplified model of crank-rocker mechanism with gravitational field for the study.It built the model of contact force and the coulomb friction [1,2] to simulate the motion pair with clearance.This paper made a preliminary study on the effect of the multi-joint clearance on the dynamics characteristics of the institution.The result showed that mechanism with double joint clearance had little influence on the mechanism speed and had relatively large impact on mechanism acceleration.Mechanism with three joint clearance increased the impact on the speed and acceleration appeared greater fluctuation and changes in direction.However,the contact force with three joint clearance was more stable and smaller than mechanism with double joint clearance. This kind of model is closer to the object movement in reality, so it can predict the laws of motion and provides more reliable theoretical reference for precision、optimization and noise prevention design of institutions.
Experimental Study on the Burning Behavior of Automotive Internal Decorating Materials
Authors: Zheng Yu Liang , Li Pei Yao , Ma Xiao Chi , Qu Fang
Published: August 2014

Experimental study on the burning behavior of four kinds of common automotive internal decorating materials including fur cushion, flannel cushion, dacron seat cover and felt carpet by means of cone calorimeter are introduced in this paper. Compared with the four kinds of materials from the perspective of ignition time, HRR, peak HRR and carbon monoxide release rate under different heating flux, burning behaviors of these materials are analyzed. According to analysis results, the risk of automotive fire disasters can be objectively evaluated. In a word,it’s helpful to study their burning behaviors and point out proper methods of application.
Design of a 10MPa Nanosecond Gas Switch with Adjustable Gap
Authors: Cao Bao Feng , Fan Jiang Bing , Song Li Jun , Li Xin , Li Peng , Zhao Hong Wei , Liu Qiu Han , Ning Wang Shi
Published: August 2014

This paper introduces a method to adjust the gap distance of nanosecond gas switch from outside when it is filled with high pressure gas. By using a two-stage planetary gear train and a pinion-and-rack device the gap between the electrodes can be linearly adjusted. The adjusting precision is 0.05 mm and adjustment range is 0 to 10 mm. The sealing of the insulator ring, rotation axle and outside conductors is designed. The performance of the rotation axle is pretty well under 12MPa gas pressure, air leakage not found. Experimental study on switch discharging is carried out by using a high voltage nanosecond pulse generator. The results show the output voltage of the pulse can reach 600kV by adjusting the switch gap. The rise-time of the pulse can be shortened form 3.5ns to 1ns.
Key Technologies of Rigid-Flexible Coupling System Modeling and Simulation
Authors: Bo Shao Jun , Zhu Hao , Ye Qing Huai
Published: August 2014

We studied key technologies of the rigid-flexible coupling systems modeling and simulation based on the theory of multi-body dynamics and virtual prototyping technology. The study proposed concrete measures to ensure the accuracy of the simulation to short the simulation time and improve simulation speed. It greatly improved the reliability and interoperability of research used three software UG, Ansys and Adams on rigid-flexible coupling system and found the existing issue of key parts of the design department, provided a strong quantitative basis for optimizing the loader working device.
A Method of Coordinate Measuring Path Planning Based on Polychromatic Sets
Authors: Wang Chun Mei , Huang Feng Shan
Published: August 2014

In order to improve the intelligent level of path planning in coordinate measurement, the algorithm of path planning based on theory of polychromatic sets and ant colony algorithm is proposed. The model of the relation about measured geometrical features, probe angles and inspection planes is established, and the sub path is got by grouping for the global path on the basis of conjunctive operation of polychromatic sets. The global path is optimized by planning the sub paths with ant colony algorithm. The practical example verified the validity and reliability of the proposed method.
A Novel Optical Fiber Displacement Measurement System
Authors: Guan Kai Sen , Li Yu He , Chen Yan Xiang , Qiu Yong Rong
Published: August 2014

In order to meet the displacement measurement’s need for high precision and large measuring range, a novel design of optical fiber displacement system is proposed. Optical fiber is applied to the displacement measurement field with its simple structure, light weight, cheap cost and high precision. A displacement measurement model based on transmissive optical fiber is established, and theoretical calculation and simulation are conducted to verify the accuracy of the model. Displacement measuring experiments are completed and the results show that the transmissive optical fiber displacement measurement system has high measuring accuracy with the relative error less than 0.2% over a large range.
Analysis of Factors Influencing the Performance of Q460 Steel
Authors: Yan Zhu Ling
Published: August 2014

With the development of technology, steel structures have been gaining increasingly widespread application, and the scope of research of steel types is also becoming increasingly broad. In addition to the four common steels used in construction, various mechanical properties and practical application of Q460 steel have also been studied at home and abroad at present. This paper introduces the research status of Q460 steel, describes its mechanical properties and the requirements for steels used in steel building structures, and analyzes the main factors influencing the properties of Q460 steel, providing some reference for practical engineering application of Q460 steel.
A Method of Full Digital Clock Generation with Adjustable Frequency and Phase
Authors: Lou Yan Nian , Jin Zhong He , Zhang Chao Jie
Published: August 2014

In modern electronic systems, a reliable clock with precise frequency is a fundamental requirement. Moreover, the frequency and phase of the clock needs to be adjustable in some situations. So a method of full digital clock generation is proposed in this paper. Compared with other methods, it has two advantages: one is the capability of adjusting the frequency and phase on-line; the other is the high frequency precision. Experiment results show that this method can generate clock at 19.0484MHz, 19.0485MHz, 19.0486MHz with controlled phases, and the stability within 90 seconds is better than 0.05Hz.
A Practical Signal Progressing Method for Magnetic Flux Leakage Testing
Authors: Ling Zhang Wei , Cai Wei Yong , Li Si Hai , Li Chao
Published: August 2014

The magnetic flux leakage (MFL) testing, as a modern nondestructive testing technology, requires fast and accurate signal progressing methods. A practical signal progressing method for MFL testing was presented, especially for tank floor MFL testing. According to the FFT result of the original signal, a difference amplifier and a low-pass filter were designed in the hardware signal progressing. In the digital signal progressing, a numerical differential progress and an IIR band-pass filter were adopted. Experimental results show that the presented method could effectively eliminate noise. Defect depth measuring results show that, for the 8 mm thickness specimen, the maximum absolute error of depth is 0.23 mm, which means 2.8 % of the 8 mm thickness.
Adaptive Fuzzy PID Control Applied in Boiler System of Power Plant
Authors: Liu Yun Jing , Wu Yu Long
Published: August 2014

The boiler system in power plant consists mainly of a steam-water system and combustion system, which produce a high-pressure superheated steam to drive a generator in order to produce power. The steam temperature control of the boiler system is a critical operational consideration. Parameters of boiler producing process must be controlled strictly. But the boiler system has high nonlinearity, large delay, strong coupling and load disturbance. Therefore it is difficult to develop practical mathematical model of the control object using the traditional PID control. In order to realize the optimal control of steam temperature, this paper presents the adaptive fuzzy-PID control Strategy. Simulation results based on MATLAB show that the proposed strategy can largely improve the system response performance compared with the traditional PID control
Analysis and Research of Rogowski Coil Current Sensing Technology
Authors: Gong Yong Zhen , Liao Hui
Published: August 2014

The paper introduces the working principle of Rogowski coil and characteristics of various Rogowski coils, Summing up the productionl principle of high precision coil. The measuring system which is composed of PCB Rogowski coils and integrator are designed by optimizing coil parameters,and the simulation of system is analyzed.The result shows that the system has higher sensitivity and good frequency characteristics, and can meet the requirement of measurement in power system.
Critical Event-Triggered Transmission for Wireless Sensor Node in Aircraft Structural Health Monitoring
Authors: Yao Peng , Liu Gang , Liu Yan
Published: August 2014

The wireless sensor network represents an exciting development that has the potential to be integrated into an aircraft environment for structural health monitoring. Critical event-triggered transmission scheme were illustrated and applied to prolong the battery lifetime and balance the power-performance tradeoff. The experimental results show that the wireless sensor node using this technology is a powerful solution for aircraft SHM.
Design and Analysis on the Anti-Lock Braking Control System of a Four-Wheel Vehicle
Authors: Liu Xi Xia , Wang Rui , Yuan Lei
Published: August 2014

A PID Anti-lock Braking Control system has been designed according to the principle and method of vehicle dynamic. A vehicle dynamic mode which includes tire model, the controller model and braking model has been set up by the MATLAB/Simulink software. The vehicle straight line braking condition has been simulated by using the model, compared and analysed the influence of slip ratio and braking distance by the system, the results show that the design was effective and feasible which also can achieve the goal of prevent wheels locking.
Design of Digital Type Axis-Angle Sensor Based on Singlechip
Authors: Yu Jian Chao , Yu Xiang Bin , Li Jun
Published: August 2014

The synchronizer is often used for the measurement of axis-angle because of its simple structure, reliability and high precision. But the output signal from the synchronizer is an analog signal, so it is difficult to realize digital measurement. This paper introduces a measuring circuit based on a singlechip. This circuit can produce exciting signal independently and no extra exciting power supply is needed, making the application easy. The AC signals output from the synchronizer are converted into DC signals and then measured directly by the singlechip. The measuring data, after being processed, are turned into serial data to output through a RS232 serial interface. The synchronizer equipped with the circuit will be a digital axis-angle sensor. The sensor is of high precision and reliability, low price, easy application and high practical value.
Effects of Quay Wall and Seabed Reflection on the AUV Acoustic Radiation Test Analysis
Authors: Xu Guo Liang , He Qi Wei , Ding Shao Chun , Wan Hai Bo
Published: August 2014

To analyze effects of quay environment on the AUV radiated acoustic field test, the PNAH (PNAH: planar near-field acoustical holography) was used to simulate acoustic field. By simulating the free and non-free acoustic field and comparing amplitudes and angles of complex sound pressure, Analyze effects of quay wall and seabed reflection on the AUV radiated acoustic field test to determine the standard of quay wall and seabed environment which meets testing. The work would provide a certain reference for the AUV radiated acoustic field test.
Experimental Study on the Emergency Ampacity of XLPE Cable and its Application
Authors: Zhuang Xiao Liang , Niu Hai Qing , Zhang Qun Feng , Ye Kai Fa , Sun Guang Hui
Published: August 2014

In order to solve the contradiction between the increasing demand of power supplies and the difficulty of building new distribution lines, improving the transmission capacity of existing distribution cables is imperative. Using emergency ampacity can increase cable transmission capacity temporarily. Software of calculation emergency ampacity of distribution cable is developed and experiments are undertaken in this paper. The consistency of calculation and experiments shows that the software could calculate emergency ampacity of distribution cable correctly. By the software, the relationship between emergency ampacity and emergency time & initial status are studied here. The research shows that emergency ampacity is much higher than the continuous ampacity. What’s more, the shorter emergency time is, the higher emergency ampacity will be. The lower initial current is, the higher emergency ampacity will be. The more cable circuit number is, the lower emergency ampacity will be but the stronger lifting capacity will be. If emergency ampacity is considered in cable line design stage, cable cross-section or the number of circuit number could be reduced; and if emergency ampacity is considered in emergency load control, the number and capacity of transferring power supply can be reduced. The application the emergency ampacity of distribution cable will result in a great improvement in economy and reliability of power supply.
FPGA-Based High Precision Illumination Measurement System: A Prototype Development and Evaluation
Authors: Yang Xiu Zeng
Published: August 2014

The light is a most important natural resource for human to survive .Aiming at the shortcomings of the traditional light intensity measuring instrument ,a kind of high resolution illumination measurement system based on FPGA is designed ,which consists of special BH1750 light sensors and programmable logic gate array (FPGA) . A soft core Nios II is used as controller in the instrument, and BH1750 is put into use to acquire light signal .The testing results show that the design is feasible.
Fuzzy Neural Network Based on Genetic Algorithm for Temperature Control of Variable Air Volume Air Conditioning
Authors: Li Jie Jia , Chen Yong Qiang , Han Xiao Yan
Published: August 2014

In this paper, the theory of the fuzzy control and self-learning ability of neural network is combined, joining the genetic algorithm to optimize the fuzzy control rules, so in the light of temperature control system of variable air volume air conditioning puts forward a fuzzy neural network control method based on genetic algorithm,and this paper introduces in detail the structure, algorithm of fuzzy control and neural network. In addition,this paper verifies the superiority of the fuzzy neural network based on genetic algorithm and ordinary fuzzy neural control.
Initial Orbit Determination Using Single Frequency GPS Measurements of Launch Vehicle
Authors: Xue Guo Hu , Mu Jun Shan , Li Hui Fen , Zhu Li Wei , Liu Yang
Published: August 2014

Orbit determination by using GPS measurements of a launch vehicle is an important option for the initial orbit determination of the vehicle's payload, and its accuracy is higher than the results generated by radar measurements. However, only broadcast GPS ephemeris and clock products are used in the current GPS measurements processing method, and Klobuchar model is directly used. The paper proposes to use precise ephemeris and clock products, and adopts an improved ionospheric model based on altitude factor for GPS measurements processing. The dynamic smoothing method is further used. The numerical results show that the proposed method can improve the early orbit satellites orbit segment to determine accuracy.
In Situ Tester Research and Development of Control Stick Force Sensor
Authors: Yan Gong Ming , Zhao De Chun , Yang An Yuan
Published: August 2014

Based on the practical need for control stick force sensor test of a certain type of aircraft, corresponding design method of control stick force sensor tester is propoesd, its basic testing principle and course are analyzed,in th end this type of tester is made and tested practically.The result shows that the control stick force sensor tester possesses the characteristics of easy manipulation, perfect function, high intelligence,fast and exact test, provides a scientific testing means for the performance of aircraft control stick force sensor,and has a good application value and popularizing prospect.
Modal Hammering Test and Sensitivity Analysis for BIW Vehicle
Authors: Liu Cheng Wu
Published: August 2014

Aiming at the defects of classical modal parameter estimation approach, the impulse hammer modal test during body-in-white (BIW) stage was done through polyMAX method method. Based on modal analysis theory, an experimental model of BIW was established. The compositions of the experimental modal testing system, the design of testing scheme as well as its validation were described in detail in this paper. The collected data were identified via the polyMAX modal analysis method. The dynamic characteristics of BIW were confirmed by Modal Assurance Criterion. Influence of low frequency distribution characteristics on complete vehicle NVH was also analyzed. On the basis of above investigation, sensitivity analysis of the structure of BIW was conducted and sensitive structural parameters were determined. The test results show that the modal testing system can meet the requirement of precision with reliable results of parameter identification and sensitivity analysis, which can serve as a basis for the improvement of BIW structural design.
Modeling Analysis and Experimental Study of Circular Piezoelectric Unimorph Actuator
Authors: Liu Guo Jun , Yang Xue Lu , Yang Xu Hao , Zhao Tian , Yang Zhi Gang , Liu Jian Fang
Published: August 2014

The finite element model of a circular piezoelectric (PZT) unimorph actuator is set up, the static and dynamic characteristic of the circular PZT actuator are analyzed. For the investigated PZT actuator, comprehensive performance testing is carried out. Compared the simulation results of finite element method with experimental data, the central deflections of PZT actuator under the DC condition are same basically, the testing results show that the actual edge condition lies between clamped and pinned support. The impedance testing results of PZT actuators agree well with FEM analyses. Under AC condition, the central displacement which involves part of resonant component increases greatly by several times more than that under DC condition. While the displacement of actuator with resistance decreases greatly, and is slightly lower than that under DC condition. The relevant research methods lay foundation for the further study of PZT actuator under multi-field coupling condition.
Key words: PZT actuator; Circular PZT unimorph; FEM; Static; Dynamic
A Survey on the Intelligence Radar Automation System Application
Authors: Li Dong Bo , Xu Dong Ping
Published: August 2014

This paper can introduce the general automation and conductor automate situation of training the terrace in radar intelligence report, training plat supervise and control the design of mold piece and carry out process in the terrace .It relates to the structure and workflow of radar intelligence report automation and analyze workflow, internal structure and function of design mold piece. With the development tool, the model realizes control the mold piece establishment and function. Through the demand to all improvement, this paper is also studying the command of automation to train terrace, supervision mold piece of realization and development function.
Switching Control Blending Methodology with Single Parameter Dependent and its Application to Tiltrotor
Authors: Wang Qi , Wu Wen Hai , Wang Bin Tuan , Zhang Shuang Zhong Ya
Published: August 2014

Because direct switching between controllers will generate abrupt change of control signal causing severe actuators workload, a switching control blending methodology is presented in this paper. By the blending of weighted multi-controllers output signals in which the weight value depends on a single switching parameter, the control signals can be switched smoothly and the closed-loop dynamic acts continuously. In this method, the design of multi-controllers can use any available methods while the closed-loop switching stability is insured by rational division of closed-loop state-space along the switching parameter. The closed-loop switching stability under control blending is presented, and a state-space division algorithm is developed. With the application to the tiltrotor, the simulation results show that the presented control methodology can provide all modes control ability and make control signals switched smoothly.
Preparation of Control Programs for Material Handling Robot
Authors: Xu Ling Ping , Wang Chang Dong
Published: August 2014

With more and more industrial robots used in machinery manufacturing enterprises, mechatronics career groups have also put forward higher requirements for vocational students to become familiar with industrial robots. This paper takes handling robots as an example to introduce how to prepare the robot programs for certain tasks and how to use robots to complete the tasks.
Study on Stability and Robust Control of Stochastic Network Control System
Authors: Wang Cheng , Rao Cong Jun
Published: August 2014

Network control system is a feedback control system of realizing the exchange of information control system in different regional components by using the digital communication. Focusing on the stability and robust control of stochastic network control system, this paper introduces the research history and the newest research trends, and presents many widespread theoretical and applications problems. Moreover, assumptions, main ideas, and conclusions of literature related to stochastic network control system are reviewed and commented.
The Study on Accuracy Control System with the Three Datum Planes in Fixture Design
Authors: Shen Xing Dong
Published: August 2014

The fixture accuracy is controlled on the three datum planes with fixture or compound body used as design object, with structure of parts and the machine accuracy used as the target required, with cutting tool and the machine datum plane mounted fixture used as viewed body. The assistance datum plane is towards the machine locating planes mounted fixture, and it is parallel to the cutting speed of tools; the assistance datum plane (or line) is perpendicular to the assistance datum plane, and it is passing through center line of tool (or fixture);the assistance datum plane is through the single point of fixture , perpendicular to both two.
Speed Processing Program Design for Electronic Control Engine
Authors: Li Jie Hui , Zhong Guang Yao , Shi Guo Wei , Ding Le Sheng , Liu Da Wei
Published: August 2014

Acquiring and processing the speed signal of engine is the foundation to control the engine, whose accuracy determines the quality of control by the electronic control system. This paper takes a gear encoder of 12-1 teeth as an example, through acquiring the crankshaft position signal, calculating the engine speed and TDC, develops a set of generic speed calculation program for electronic control engine, and verifies the feasibility of the program through the test.
Customer Data-Oriented Multi-Product Pricing Model
Authors: Wan Fu Cai , Qiu Man Hua
Published: August 2014

Through interaction with online consumers, e-commerce websites can gather data reflecting consumer preferences. The available data on consumer preferences together with sophisticated analytical tools enables companies’ increases in profit through optimization of prices. We consider a class of models of consumer purchasing behavior, each of which affected the data on a consumer’s requirements and budget constraint to subsequent purchasing tendencies. We can study for the multi-product pricing problem based on the max budgets of consumers, and a customer data-oriented multi-product pricing model is presented. Proposed models were solved through genetic algorithms. Optimal solution of the given examples shows that this model is effective for enterprises.
Design of Intelligent Street Lamp - Control System Abstract
Authors: Zheng Hai Yan
Published: August 2014

Zheng HaiyanWeifang University of Science and Technology, Shouguang, 262700, Chinaemail: 55311612@qq.comKeywords: Street lamp,intelligent control,ultrasonic testing,infrared communicationAbstract. To satisfy the street lamp-control requirement of medium-and-small-sized towns and remote areas, ultrasonic sensor controlled by MCU realizes the monitoring of pedestrians and vehicles on road.It makes use of infrared ray to communicate between two street lamps and 4 lamps are kept on lighting,that not only ensures the safety of pedestrians or vehicles,but also saves energy.
The Brazing Furnace Intelligent Control Scheme Research of Application
Authors: Yao Cai Hong , Jiang Xing Jia
Published: August 2014

For the brazing furnace work system with time-varying, hysteresis and nonlinearity characteristic, the traditional PID control cannot meet the requirements of high-performance. Fuzzy self-tuning PID control scheme, can effectively overcome the interference effect, has good adaptability. But the based on modern control theory state space analytic method uses state feedback, not only promulgating the system internal structural property, to realize the optimum control to system’s compound performance index. By combining state feedback and PID control of the respective advantages, determined the brazing furnace temperature system’s optimum control scheme. Either the simulation analysis or actual system operation fully explaining fuzzy intelligent designs of the tuning PID and the optimal control scheme based on state space method have improved significantly the system's steady-state and dynamic performance index.
Study on Maximum Power Point Tracking for Photovoltaic Arrays Based on Fuzzy-Control Strategy
Authors: Meng Xiang Zhong , Yin Tao , Lin Cun Hai , Wang Zhen Qi
Published: August 2014

The equivalent circuit diagram was established based on the internal structure of the photovoltaic cells, and a simulation model of the photovoltaic cells was built in Matlab/Simulink, which could simulate the output characteristics of the cells under different temperatures and light conditions. According to the separate simulation of the perturbation & observation and fuzzy-control algorithms, the results show that fuzzy control has better performance when dealing with this non-line system.
Matching Study of Hydraulic Torque Converter and Engine Based on Genetic Algorithm
Authors: Wang Tie , Liu Fei Fei , Wu Jing
Published: August 2014

According to the multiple matching principles of hydraulic torque converter and engine, a multi-objective optimization mathematical model is established. Genetic Algorithm is used to optimize the matching mathematical model, because the search process is not easy to fall into local optimum. The matching example of YJSW315 type hydraulic torque converter and WD615.67G3-28 type engine is optimized. The design variables’ optimization results are obtained and the figure of optimization results is shown. The matching evaluation indicators of automobile power performance and economy are compared before and after optimization. We can find out that maximum output of hydraulic torque converter torque, highly effective rotational speed range, highly effective torque range, average power output of full working condition range and efficient working condition range are all increased, at the same time, average fuel consumption rate of full working condition range and efficient working condition range are decreased. In accordance with the optimization results, we can see that GA can be used to optimize the matching of engine and hydraulic torque converter.
Research on Ink Key Remote Control System of Large Printer
Authors: An Peng , Li Yan Chun
Published: August 2014

A system of ink key remote controling is introduced, which is consisted of work station control system and motor control system. The ink key work control system is based on S3C2440A platform and the motor control system use microcomputer STM32VET6 as central control unit. The system uses TCP/IP protocol as the communication protocol while the Ethernet provides the corresponding physical layer . Thus the system can control multiple large-scale printers.The system can directly access the public network to send and receive data when necessary, greatly improving the convenience of the system.
Design and Implementation of the System of High Speed Dynamic Balance of Rotor
Authors: Lv Xue Yan , Jiang Xiao Lian , Zhao Mei , Quan Xiao Lin
Published: August 2014

High-speed dynamic balance is a main method to solve the problem of exceeding the aero engine vibration limit. However, with the development of techniques of high performance engine, the rotating speed of a rotor becomes more and more high, which turns into a challenge to balance it. Therefore, balancing the rotor with high speed effectively is very important. How effective the engine rotor of high speed dynamic balance is very important.
Research on Cognition of a Soft Robot Based on Amorphous Computational Material
Authors: Wang Jun Qiang , Yang Shu Qiang , Wu Jing
Published: August 2014

Amorphous Computational Material (ACM) is a concept of an active material that can sense its environment and, due to its cognitive capabilities, react “intelligently” to those changes. In this paper, We demonstrate the feasibility of utilizing water hammer as a form of directed actuation. We show a novel concept of a Synthetic Neural Network, a type of an organic neuromorphic architecture modeled after Artificial Neural Network, which is used for a distributed cognition purposes for ACM. A simulation of the SNN is shown to accurately predict the directionality of water hammer propulsion.
Research on Control System of 6-DOF Parallel Machine
Authors: Fan Hong Mei
Published: August 2014

This paper firstly modeled the mechanism structure of 6-DOF parallel machine, analyzed its kinematic character, and solved its kinematic inverse solution. Then, the overall control structure is proposed, and finally the control system is designed based on EVC, which achieved interpolation, drilling, grooving, and inclined plane machining of this machine. The experimental result showed that the machine can move in its workspace exactly according to the trajectory.
Smith Prediction Based on Genetic Algorithm Self-Tuning PID Control
Authors: Wu Dong Sheng , Yang Qing
Published: August 2014

Aiming at the phenomena of big time delay are normally existing in industry control, this paper proposes an intelligent GA-Smith-PID control method based on genetic algorithm and Smith predictive compensation algorithm and traditional PID controller. This method uses the ability of on line-study, a self-turning control strategy of GA, and better control of Smith predictive compensation to deal with the big time delay. This method overcomes the limitation of traditional PID control effectively, and improves the system’s robustness and self-adaptability, and gets satisfactory control to deal with the big time delay system.
Automatic Control Model for Large-Scale Mechanical Arm Angle
Authors: Yong Tao
Published: August 2014

Nowadays, the level of mechanization is gradually increasing. In order to promote the rapid development of the mechanized production in China, the automatic control of large-scale machinery is required. Therefore, this paper puts forward a control model for the large-scale mechanical arm angle. During the control, the angle of the large-scale mechanical arm was calculated based on the actual production so as to achieve the automatic control of the angle. The experimental results indicated that carrying out automatic control of the large-scale mechanical arm according to algorithm proposed in this paper could improve the accuracy of the automatic control.
Kinematics Analysis of Double-Cutter & Double-Surface Symmetrical Machining Tool for Large-Scale Marine Propeller
Authors: Wang Rui , Ren Yue Ying , Huang Xin Shuai
Published: August 2014

The traditional large-scale marine propeller processing equipments have such disadvantages as single-surface machining, propeller blade vibration, poor stiffness, repeated clamping and long processing time. The method of double-cutter & double-surface symmetrical machining is proposed for large-scale marine propeller based on the parallel-serial mechanism. The processing method can overcome proposed disadvantages, and improve machining efficiency and accuracy. The structural design of the processing equipment is introduced and the coupling kinematics parameters of the parallel spindle platform are analyzed. The inverse kinematics solution and improved forward kinematics solution are discussed in detail. And the forward kinematics solution can solve a troublesome problem about the selection of good initial parameters. A simplified prototype is built to verify the solution method which could be used in the future actual application as a foundation.
Study on Greenhouse System Modeling Based on Adaptive Fuzzy Predictive Control
Authors: Wang Ze Fang , Liu Chen
Published: August 2014

In recent years, these governments are committed to intelligent greenhouse research, intelligent greenhouse system is a kind of resource conservation effective agricultural development technology, it is in the common greenhouse basis, combined with modern computer automatic control technology, intelligent sensing technology, artificial intelligence and expert system in high-tech field to develop, provide seasonal irrelevant for crop growth environment in a computer integrated control, to realize the various crops industrial production of high quality、 high efficient and low consumption[1]. With computer as the core of greenhouse comprehensive environment control system , get rapid development in Europe and the United States and Japan, then entered the network intelligent stage.Study of domestic greenhouse control system started relatively late, to the 80's, have the microcomputer control of artificial climate chamber , such as the Chongqing research institute MCU control system of the artificial climate chamber, as well as Shanghai the plant research institute artificial climate chamber[2].
1450mm Five-Stand Tandem Cold Mill Process Control System
Authors: Bu He Nan , Yan Zhu Wen , Peng Wen , Chen Shu Zong , Zhang Dian Hua
Published: August 2014

The process control system for tandem cold mill is the core of the production line control system. Its operating status influences the stable production of strip directly. In this paper a tandem cold rolling process control system of cold-rolled sheet plant was taken as an object, the structural framework of control system was designed, the composition and function was introduced.
Bending Force Preset Model Based on Optimal Algorithm
Authors: Bu Hen An , Yan Zhu Wen , Chen Shu Zong , Ma Geng Sheng , Yin Fang Chen , Zhang Dian Hua
Published: August 2014

The reasonable bending force preset has a deep impact on strip flatness and yield. In this article, the optimal objective function bending force is established. The impact of roll thermal expansion and roll wear on roll gap crown is analyzed. The optimal bending force model is established. Rosenbrock algorithm is adopted by the model to solve the optimal bending force .The strip flatness control deviation is effectively decreased by the calculated bending force. The yield is increased markedly. The model has been applied into a 1450mm five-stand cold rolling process control system successfully and a good effect is achieved.
Study of Ethernet Control System Based on EPA
Authors: Pu Cui Ping , Ren Jie , Feng Wei Jie , Zhang Shi Wang
Published: August 2014

The design and implementation of the Ethernet Control System Based on EPA were appeared. The Ethernet Control System consists of the device layer, control layer, management structure. The use of EPA configuration software control network configuration, performance monitoring, the device performs to achieve the control object control strategy.
Lighting Control System Based on Smart Phone and Bluetooth
Authors: Peng Yan , Xia Kai , Wang Jia Yuan
Published: August 2014

With the rapid development of the Smartphone in recent years, it has been a popular personal mobile communication device. How to make the Smartphone be a better service for our lives is an important direction of research in our smart home. This article describes how to integrate the Android, Bluetooth technology into the control of lighting equipment to realize the lighting equipment’s power automatic switching.
Adaptive Output Tracking Control for a Class of MIMO Nonlinear Systems with Time-Delay
Authors: Song Yong Lei , Zeng Hai Yan
Published: August 2014

For a class of multi-input multi-output (MIMO) nonlinear system with time-delay, a problem of adaptive output tracking is investigated. Through applying the back-stepping recursive method, an adaptive output tracking controller is designed to achieve robust control. According to Lyapunov stability theory, Barbalat lemma, and Gronwall inequality, the designed state feedback controller not only guarantees the system states are uniformly bounded, but also ensures the system tracking error converges to a small neighborhood.
Design of Simulation for Arc Welding Robot Based on OpenGL
Authors: Chen Su Li
Published: August 2014

Through the design and analysis of arc welding robot simulation system, the theory and method for establish 3D simulation system based on OpenGL in VC++.NET’s development platform was Expounded. In this paper, The kinematics model of 5 degree of freedoms arc welding robot is established and the equation straight and the inverse operation is provided and the 3D of the robot real-time simulation is realized. The test results show that, the system has friendly interface and achieved good simulation effect.
Simulation of a Piezoelectric Motor Controlled by Synchronized Switch
Authors: Zou Li Ping , Zhang Qi , Zheng Bin , Qiu Zi Cheng
Published: August 2014

This paper presents a simplified theoretical model for piezoelectric motor based on synchronized switching control. The influence from driving voltage, duty cycle and load to the stepping motion and velocity of the motor was analyzed in this study. It proved that the step size is a function of the driving voltage and the velocity of the motor decreases with an increased load and reduced duty cycle on macro point of view.
Aircraft Controller Flight Control System Design
Authors: Zhou Hong Cheng , Wang Dao Bao
Published: August 2014

The servo control methods of motion configuration are researched. Based on analysis for characteristic of the motion configuration, the control strategy and control law used on the motion control system are presented. The controllers are respectively designed by frequency correcting method and normal control method which belongs to classical control theory. Sliding mode variable structure control method is presented for location control law designing, so that the problem of location control loop low velocity creeping is solved, and a simulating experimentation demonstrate the effectiveness of the proposed approach.
A Feature Fast Matching Technique Using Improved Self-Organizing Map for Stereo Vision
Authors: Meng Xiang Ping , Wang Lei , Yuan Quan De , Ji Xiu
Published: August 2014

Landmark feature match method of robot visual navigation has been studied, An unsupervised learning methods based on binocular vision has been proposed to match Landmark feature fast. Firstly, environmental Information images are obtained by binocular vision, Then SIFT feature vectors are abstracted from binocular vision images, Lastly, Self-Organizing Map is pulled in to match multidimensional feature point fast by using competitive learning methods. Experiments showed that the proposed methods on feature matching with better computation time and effect than the traditional SIFT and SURF of feature matching methods. And it can satisfied the requirement of real-time.
Study on High Performance Power Amplifier for Maglev Flywheel
Authors: Xiong Xiao Yan , Zhang Ke , Liu Ming Xue , Hu Ye Fa
Published: August 2014

Power amplifier for maglev flywheel control system should have the characteristics of low ripple and fast response. In this paper, a maglev flywheel and a method of two-level power amplifier based on DSP and FPGA are proposed. An equivalent model of switching power amplifier based on Fourier series is established and simulation analysis is carried on as well. Experimental platform for switching amplifier is built and experiment results show that the coil current signal can track command signal fast and stably, which proves the validity of the proposed design method. Simulation results are close to the experimental result, which means that the model can guide the power amplifier design.
The Application of Fuzzy Neural Network Generalized Predictive Control in Unit Plant Coordinated Control System
Authors: Zhang Shu , Ling Hu Jun , Zhang Zhen Lin , Hu Meng Jie , Pang Yang
Published: August 2014

The characteristic of unit coordinated control in thermal power plants having complex, nonlinear, larger time delay, and establishing mathematical models are very difficult. In the paper establish mathematical models of using fuzzy neural network system, make full use of the ability of fuzzy logic reasoning and neural network self-learning; using multivariable generalized predictive control strategy, Simulation results show that the use of fuzzy neural network generalized predictive control for good stability of main steam pressure , strong effectiveness of tracking the power grid load, and little fluctuation of different load conversion.
The Application of Vacuum Power for Drill Automatic Welding Device
Authors: Zheng Zhi Hua , Yang Dai Hua , Wang Yan Shen
Published: August 2014

In this paper, a vacuum suction cup robot is introduced, which is used in drill bolt welding machine to add silver brazing sheets. This paper briefly discusses the application of vacuum power on the device. Then through the selection of the degree of vacuum and a vacuum generator, the selection and calculation of the chuck size specify the design process of the vacuum power system. Finally, through the working process of the manipulator and the structural design of the silver brazing box briefly introduce the movement of the vacuum suction manipulator.
Reconfiguration for Sensor Failure of Aero-Engine Electronic Control System Based on the MRAC
Authors: Shi Zhi Bo , Liu Tao , Sun Dan
Published: August 2014

In the paper, the fault-tolerant control strategy for the aero-engine electronic control system is researched based on the Model Reference Adaptive Control method. In the design process, a new reference model design method is proposed with the Raccatti equation, which can guarantee the reconfiguration system have satisfactory performance. According to the sensor failure models, the failure system mathematic model is given. Lyapunov stability theory was applied to obtain the adaptive control law through design a Lyapunov function, which can ensure the strictly positive realness and global asymptotic stability for the reconfiguration control system. For the typical sensor failures, the reconfiguration effect with the control strategy is simulated and verified in the Matlab, which revealed that the aero-engine control system could operate well under the failure with the fault-tolerant control.
The Smith Predictor Control of Argon-Bottom-Blowing Supply System with Time-Delay
Authors: Chen Li Hui , Huang Zhan Ping , Du Wen Xia , Du Yan Rui
Published: August 2014

The process of Argon-bottom-blowing is widely used in steelmaking, Argon is used to stir molten steel fully and uniform the composition and temperature to improve the quality of molten steel. In this paper, Argon-bottom-blowing supply system is selected as the research object, there exits big delay because of the long gas pipeline. In order to overcome the adverse effect of time-delay, the reasonable Smith predictor is designed, which try to make PID regulator act in advance and reduce system overshoot amount. The simulation results show Smith predictor and PID controller are connected in parallel, the influence of time-delay can be eliminated and satisfactory control effect can be obtained.
Control Strategy Research on Controllable Pendulum in Step Perturbation
Authors: Shen Geng Biao , Li Fan , Zhang Zi Chao , Zhao Jian Hui
Published: August 2014

Applying controllable pendulum to indicating vertical is a new method which can be used for autonomous navigation. There are some studies on the method and it puts forward the existing problems. In this paper, it carries on the preliminary study on drawbacks that it exists steady-state error in controllable pendulum, and designs a new control scheme combined direct control with indirect control while there is step perturbation. Then it designs the corresponding control law by using observer with state feedback and decoupling control. It makes software simulation by Matlab and the results show that the controllable pendulum can be controlled well to indicate vertical by using the designed control scheme and control law when it exists step perturbation.