bluuebunny/crossref_metadata_2025 huggingface dataset:
Effect of Packaging Materials on the Shelf Life of Bamboo Shoots
Authors: Zhou Jian Wei , Zhang Guo Hua , Hu Hong Yan , Wang Zhen Lin
Published: October 2012

The effect of different barrier properties packaging materials (PE, PET, PVC) on the shelf life of the shelled fresh bamboo shoots were studied. The effection of packaging materials were assessed by the sensory evaluation and the changes of their moisture content, ash content, total sugar content and protein content during storage time. The results showed that the shelled bamboo shoots in conditions at 10 °C with the packaging of PVC and PET have the better quality and longer shelf life than which with the packaging of PE and no packaging at the room temperature.
Application of the Behavioral Modeling Technique to Structure Optimization in Packaging Container Design
Authors: Wang Mei , Zhao Rong Li , Li Ke Tian
Published: October 2012

It introduced the application of the behavioral modeling technique and the finite element analysis to optimize the packaging container structure design. Here showed an example about a design process of a certain volume beverage bottle. Firstly, through determining the design targets, analysis the design parameters and iterated calculation for these parameters, the construction and dimension of the container which meet the design targets can be obtained initially. On this basis, the stress on the container can be emulated using finite element analysis. After the strength factor to be considered, the design proposal of the packaging container is the optimized one finally.
The Digital Designing and Optimization Researching of Beverage Packaging Face to the Modern Logistics
Authors: Li Guo Zhi , Li Wen Feng , Xiang Ying , Ding Yi
Published: October 2012

The qualification of packaging dimensions was obtained by reverse analyzing the logistics chain, and on this basis, the model design of packaging container was going on by using behavioral modeling theory. This design process synthetically using software as Pro / ENGINEER and TOPS Pro, reflects typical features of digital design in packaging. By this way, the design efficiency can be improved effectively and the actual logistics costs can be reduced.
Study on Multi-Criteria Evaluation for Selecting Sustainable Protective Packaging System
Authors: Huo Li Jiang
Published: October 2012

A proposed approach to multi-criteria evaluation for selecting sustainable protective packaging system has been developed based on life cycle thinking and quality function deployment (QFD). The method can be used to measure multiple aspects of performance for the protective packaging system quantitatively with regard to social, economic and environmental considerations and integrate the results into a sustainability indicator for directly comparing the overall efficiency of packaging solutions in practice. In the study, sustainability of the protective packaging system is described quantitatively based on multi-input/multi-output process analysis. The social performance of the protective packaging system is identified and quantified based upon QFD methodology. The multi-criteria evaluation, named sustainability assessment, can assist in optimum selection of protective packaging products and indication of potential improvements in protective packaging design and production.
Optimal Design of Cushion Package for Airdrop System
Authors: Chen Man Ru , Zhang Ju Fei
Published: October 2012

In the paper, the monolithic design of cushion package for airdrop system is summarized. In the meantime, the author improves the former package in the foundation of entire recognizing and introduction of the former research. The airdrop package not only effectively overcomes the wallop of ground, but also prevents the rebounding and side rolling when the system fall into the ground, which really has an effect on the airdrop system.
A Wavelet-Based Digital Watermarking Algorithm for Packaging Security
Authors: Liu Shi Wei , Liu Zhen , Wei Qing Bao
Published: October 2012

In this paper, a wavelet-based digital watermark algorithm for packaging security is proposed. In the algorithm, digital watermark is embedded in the color image CMYK mode, the method based on the discrete wavelet transform (DWT) can point to point semi-adaptive repeated embed digital watermark. Digital watermark that embedded in a color image can be extracted after printing, scanning and pre-processing the color image. The experimental results show that watermark extraction’s effect is acceptable, so the algorithm can achieve the purpose of the anti-counterfeiting for packaging printing. In addition the algorithm is robust enough against various kinds of attacks such as salt&pepper noise addition, JPEG compression, image crop and so on.
Influence of Filler on the Rheological Properties of UV Curable Offset Ink
Authors: Luo Kai Yuan , Wei Xian Fu , Huang Bei Qing , Yu Mu Qun
Published: October 2012

In order to investigate the influence of filler on the rheological properties of UV curable offset ink, ink samples with various varieties and contents of fillers were prepared, the flow curve, thixotropy, dynamic and viscoelastic properties have been tested, and the rheological properties UV offset ink samples with various varieties and contents of fillers have been discussed. The results indicated that: variety and content have great influence on the rheological properties of ink samples. Sample use SiO2 as filler has the highest viscosity, the largest thixotropy and G’; Sample use SiO2as filler has the lowest viscosity, the largest thixotropy, while it’s G’ has no big difference from the sample use CaCO3. Along with the increase of filler content, the viscosity, thixotropy and G’ will increase.
Press Characterization Recalibration by Principal Component Analysis and DEBP Model
Authors: Chen Ting , Li Wei , Zhao Dong Bai , Zhang Ting
Published: October 2012

Artificial neural networks (ANN) combined with PCA are widely being used. This study addresses the problem of updating a CMYK printer characterization in response to systematic changes（printing material, press）in device characteristics with PCA-DEBP model. In this study, training samples of test chart, which were normalized through principal component analysis (PCA), were applied as inputs to a differential evolution back propagation (DEBP) neural network with one hidden layer. This DEBP model has been used to predict the present printing characterization using the last ICC profile by measurement with high convergence speed. Experiment results show that the predicted printing characterizations compare with that by the measurement has little color difference. So a PCA-DEBP model can be used to exactly recalibrate the ICC profile over time with low cost.
Halftone Image Processing Method of Security Based on Moiré Effect
Authors: Zhao Xiao Mei , Xie Bing
Published: October 2012

A halftone image processing method of security based on moiré effect is developed in this paper. On the theoretical basis of moiré effect and information hiding in halftone images, some images and text information are hidden in the pre-copy color images, and then the images are output by means of laser printers and traditional printing proof. The experimental results show that when the specific detecting film is in the right angle and position, the hidden graphic information can be clearly observed. This security method is of better effect, lower production costs, which can be widely used in packaging security printing.
Analysis of the Columnar Lens Grating Used for Auto-Stereoscopic Three Dimensional Printing with Different Sizes
Authors: Qin Rui Rui , Xu Wen Cai , Luo Shi Yong
Published: October 2012

Columnar lens grating is the most frequently-used grating in modern auto-stereoscopic three dimensional (3D) printing. It has a very important impact on the auto-stereoscopic 3D presswork. Micro-analysis about columnar lens grating of auto-stereoscopic 3d presswork with different sizes is given in this work. The formula is obtained in which micro-parameters of the columnar lens grating come into contact. A practical analysis about the columnar lens grating used for auto-stereoscopic 3D presswork with same visual effect but different sizes is given with the aid of a scanning electron microscope (SEM). Moreover, the reason for different sizes of columnar lens grating used for auto-stereoscopic 3D presswork is presented, and the formula is proved practical by practical analysis. Various microcosmic parameters of columnar lens grating will be suitable for different sizes of the auto-stereoscopic 3D presswork.
A New Method for Constructing Damage Boundary Curve Using Shock Response Spectra
Authors: Yuan Zhi Qing , Song Bao Feng
Published: October 2012

The theory and methods of damage boundary curve (DBC) based on input excitation accelerations have played important role in transportation packaging designs for commodities. However, in many cases the designed cushion pads according to the concept of traditional DBC can transmit a higher acceleration than the maximum critical acceleration and yet still not cause any damage to the products. That means the conservatism exist in the traditional theory and method, which would bring over package and result in the rise of transport cost and more wastes of packaging materials. Thus, constructing new DBC are necessary in cushioning packaging designs of commercial products. In this paper, we developed a new drawing method and procedure for constructing new DBC based on response accelerations and Biot Model which is different from traditional DBC based on excitation ones. The new DBC is beneficial to overcome the conversation brought by the traditional DBC in transport packaging design, and it may have a wider application in transport packaging design for commodities.
Knowledge Management and the Application of the Chinese Traditional Five-Color Aesthetic
Authors: Zhang Xi Miao , Zhou Yue Xi , Wu Xue Ping
Published: October 2012

Chinese traditional five-color aesthetic is developed for thousands of years, but it is still not obsolete. It is regarded as an important classical of Chinese civilization, and is one cultural system lacking the modern scientific methods management as well. Based on the sustainable development concept, firstly, this paper analyzes the feasibility of the introduction of the management methods to manage traditional five-colors aesthetic. Secondly, we specifically discuss how to use the management principles to manage it. Finally, we carry on the cultural innovation of the traditional Chinese five-color aesthetic. For example, the theory of mathematical language conversion, digital color label and computer graphics showing, and so on are discussed. The research of the knowledge management and culture of innovation not only can be used for social creative design and universities design education, but also can be shared with the world.
Study on Constructing Efficient Supply Chain Based on Electronic Commerce
Authors: Tu Jian Fei , Fang Zhi Mei
Published: October 2012

With fast development of electronic commerce, manufacture enterprises’ supply chain has been largely and deeply influenced. Compared with traditional supply chain, electronic commerce’s supply chain has changed a lot in purchase, marketing, logistics and other aspects. This paper has analyzed the above changes, and proposed the strategies for manufacture enterprises to construct highly efficient supply chain in electronic commerce environment.
Analysis of Characteristic of Metal Vapor Plume during High-Power Disc Laser Welding
Authors: Wen Qian , Gao Xiang Dong
Published: October 2012

Metal vapor plume which induced during high power disc laser welding contains lots of information that related to the welding quality. Stainless steel 304 was taken as the experiment object for the high power disc laser welding experiment. A high-speed camera was used to capture the ultraviolet band and visible light band metal vapor plume images in the laser welding process. Image processing techniques such as median filtering, Wiener filtering, gray level threshold and image binarization were applied to get the images that only metal vapor plume was included. The ratio of the absolute value of coordinate difference between the centroid of plume and welding point was taken as the characteristic parameter. Welding experimental results and analysis of the changing of the ratio of the absolute value of coordinate difference between the centroid of plume and welding point confirmed that the welding quality could be monitored by the metal vapor plume during high power disc laser welding.
Dynamics Simulation on Rigid-Flexible Coupled Sliding Guideways in Powered Tool Turret of NC Lathe
Authors: Zhou Shi Peng , Zhao Yun , Huang Feng Li , Li Hua Jie
Published: October 2012

A rigid-flexible coupling model of sliding guideway working in powered turret for a new developed multifunction NC lathe is built up based on Solidworks, ANSYS and ADAMS. A solid model of is built up by the 3d-Modeling software Solidworks, and then the built model of sliding guideway is imported into finite element analysis software ANSYS to analyze elastic deformation. A mnf file of model generated by ANSYS which is a flexible body is fed into ADAMS to replace the rigid body of assembly. A dynamics simulation is conducted by considering a typical cutting processing like milling on lathe, the deformation of fixed guideway in working condition is checked. The analyzed results show that it is more rational and accurate to apply rigid-flexible coupling dynamic simulation for analyzing such mechanical system and this type of sliding guideway used in powered tool turret can stand up with cutting load and can meet the requirement.
Numerical Algorithm of Tooth Profile of Noncircular Gear Pair
Authors: Fang Ming Hui
Published: October 2012

According to the generating method theory, noncircular gear with all convex pitch curve can be processed by generating, author designed noncircular gear tooth profile, described a method of precisely calculating noncircular gear tooth profile. And proposed automatically optimizes the noncircular gear tooth profile meshing curve part separately by the identical rack cutting tool different side envelope. Through rack cutting tool along two gear center of rotation segment deviation pitch curve change modified quantity to avoid tooth undercut, realization nonzero modified. The driving gear and the driven gear tooth profile meshing curve part separately by the identical rack cutting tool different side envelope, guarantees when meshing zero clearance. The noncircular gear machined by this method has been used in real machine, which verifies the feasibility of the method.
The Structural Design Research of Bourdon Tube
Authors: Fan Xue Qun , Zhang Li Xiang , Xu Feng , Gu Yu Ming , Zhang Jian , Li Jia Wu
Published: October 2012

Bourdon tube has been widely used in the fluid testing so far, and this paper introduces the chemical and physical behaviors of beryllium bronze QBe2.0 detailedly which mainly makes up bourdon tube; It analyzes the influences of elastic limit in bending on bourdon tube the chemical elements and coating technology bring; Simultaneously, it focuses on the design of the base of tube and the assembly body, points out the location of bourdon tube in bourdon tube pressure gauge; and the design of this paper can guarantee the normal work of bourdon tube in the sealed environment through the theory and practice. In the process of gauge fabricating, appropriate application of bourdon tube is very important.
Crampoon Parametrization Design Based on Further Development of SolidWorks
Authors: Zeng Xue Lei , Sun Bao Sou , Shu Xue Dao , Peng Wen Fei , Sun Pei
Published: October 2012

SolidWorks is a popular 3D design software．The characteristics and developing methods of SolidWorks which 3D design software are introduced, and studies the process of parametric design on SolidWorks software by using VB programming language, as well as the technologies of elaborating the program with API functions. And then combine with the crampoon elaborating the principle of process-driven method. When designing the large crampoon, we use the parametric design method to auto-form the 3D target crampoon model by constructing a interface software protype with which the crampoon demension parameters can be converted into some related program variables. That method not only improves the crampoon design efficiency and accuracy, but also provides some useful referenced experience to parametrical system design of other parts. Parametrization design has a wide application prospect in the field of mechanical parts designing.
Study of 3D Reconstruction of Laser Welding Pool Surface Based on Shape from Shading
Authors: Yang Yong Chen , Gao Xiang Dong
Published: October 2012

Shape from shading (SFS) is one of the critical techniques in 3D shape recovery in computer vision. The task of SFS is to reconstruct 3D shape of the visible surface of an object from one single picture using its gray variation. Analyzing the 3D shape of welding pool is important to evaluate the welding quality. During the disk laser welding experiments, a high-power laser was used as the auxiliary illuminant, and a high-speed image acquisition system with infrared filter was applied to capture the welding pools in real time. The slant and tilt of illuminant source were estimated by statistics to reconstruct the 3D shape of welding pool visible surface by using the localization method of SFS. Methods of median filter and cubic spline interpolation were used to denoise images and smooth the image shapes. Experimental results showed that the proposed technique could reconstruct parts of welding pool effectively.
Belt Conveyor Electromagnetic Speed Adjustment Technology
Authors: Zhang Yong Sheng , Lin Hong Fei , Cheng Guang Zhen
Published: October 2012

The objective of this paper is to provide an adjustable-speed for belt conveyor, which is used for low power occasions, reducing equipment investment. We adopt three-phase step motor to drive and electromagnetic speed control technology to regulate speed. The paper introduces structure of electromagnetic speed Adjustment belt conveyor, the working principle of open-loop electromagnetic speed Adjustment system and closed-loop electromagnetic speed Adjustment system, connection mode of electromagnetic speed motor. The paper points out the characteristics and applied situation of the electromagnetic speed belt conveyor, compared with frequency speed control equipment with high cost, it is appropriate to choose electromagnetic speed control technology when the power consumption is small.
Studies on Application of Hydraulic Neutron of Injection Molding Machine in Two-Step Demoulding of Large Mould
Authors: Wang Zheng Cai , Wang Jing , Li Guo Fu
Published: October 2012

This article describes a method through which one can parallel oil pipelines of two hydraulic neutrons of an injection molding machine to form a new hydraulic neutron, and connect its inlet and return ports with the ejection stripper cylinder of a mould. The basic principle is that the oil circuit in the size of the flow is mainly achieved by regulating the flow area of valve port. The actuator velocity can be adjusted by the size of the flow. In other words, single tubing orifice flow area is increased with two oil circuit parallel connection. Then flow through the tubing corresponding is increased, and the pushing cylinder velocity can also be increased. Setting the starting time of solenoid valve pipelines of two hydraulic neutrons, one can have the ejection controlled by the two-step speed. Through the production application of mould of twin-tub of double-barrel washing machine, the washing machine is ejected from the side of the fixed mold. Pressing barrel mouth flanged by the pushing plate of the fixed mold can easily leading to product damage. Mold opening speed is slow. Once the product is ejected, the speed of opening mold can be faster. The speed of push rod to return can also be increased. Under normal circumstances, a group of top of the body neutron oil circuit is used. When the products leave the mold, the mold opening speed still cannot be increased and the speed of the push rod return cannot be increased either. After two sets of hydraulic neutron oil circuits were applied to the mold of twin-tub of double-barrel washing machine, the opening mold ejection time decreased by 8 seconds, with the molding cycle shortened by 7.4%. The author offers a simple way to achieve production efficiency, without increasing the hydraulic valve and leading to extra cost. It is a reference method to improve the speed of the injection molding machine.
Representing the Reasoning Process of Shape Transformations in Sketches by Combination of Ontology and Shape Grammar
Authors: Wu Yu
Published: October 2012

Shape transformations in sketches have been utilized as a way to address the reasoning process in design activity. The research on the representation of the reasoning process is still in its infancy. The purpose of this study is to explore the representation of the reasoning process of shape transformations in sketches by using shape grammar and ontology. In our framework, a shape grammar performs shape transformations based on information provided by the ontology. Shape grammar and ontology are both contain design rules, sketch related knowledge is captured in the ontology and processed by shape grammar to represent the reasoning process. The combinatorial nature of design rules encapsulated by shape grammar and ontology offers the possibility that reasoning process of shape transformation in the sketch can be represented explicitly.
Simulink on Hydraulic System of Engineering Vehicle
Authors: Qiao Zhong Yun , Zhao Fu Zhou
Published: October 2012

Traditional energy saving methods for engineering vehicle cannot raise the effect on a large scale if there are no major technology breakthrough. Hybrid system has the potential of improving fuel economy by operating the engine in an optimum efficiency range and it has been successfully applied in engineering vehicles. So equipping engineering vehicle with the hybrid system provides a new way to achieve energy savings. Simulation results of vehicles based on backward modelling shows that the energy control strategy can achieve a variety of reasonable operating mode switching and meet the vehicle at power.
A Mathematical Model for Electrostatic Actuators Operation with Multilayer Metallic Strip
Authors: Xu Xiang Rong , Shi Dong Qing , Chen Fu Qiang , Pan Xin Qiang
Published: October 2012

This paper presents a mathematical model to simulate the actuation of a multilayer metallic strip. The model computes the radius of curvature of the actuator when it curls because of difference in thermal coefficient of the different metals used in the strip. The mathematical model for simulating the radius of curvature is based on the earlier work by Timoshenko [4], and Jianyu Fu[5]. The radius of curvature computed is used to calculate the voltage to uncurl the actuator. Numerical experiments were performed on the model and the trends were found to be in agreement with the experimental data.
Based on Immune Algorithm Alloy Tensile Organization Evolution
Authors: Zhang Shu , Meng Lei
Published: October 2012

High temperature pull/compressive stress creep, cubic  phase during the organization evolution and the direction and exert stress, two phase mismatch degrees about. Using ordered from a passage in the interface of the atom spread to another channel to analyze g raft form of farcies of ordered the width of the matrix channel with changes, thinks a photograph of the raft form at high temperatures of element diffusion occur. But the high temperature pull/pressure creep during different orientations of phase happen, the rate of different raft form reason and in different orientations of single crystal alloy phase during the microstructure evolution ordered  solute elements of the directional migration patterns are still unclear. Using immune algorithm to calculate the relevant after the coefficient, combined with finite element software simulate the alloy tensile creep. Experiments have gained good effects
An Application of the Analysis and Forecasting Model Based on Time Series – Safety Monitoring of the Reservoir Dams at XiaShan
Authors: Hou Rui Lian
Published: October 2012

Adopting the sliding average value method, curve model method in the analytic approach of the array of time, we have established a time series model of the analysis and forecasting model and given an application at Xiashan Reservoir dams which can monitor the safety of the dams. In this paper we firstly have introduced the relevant technical theory of the time series, including the methods, concepts, principles,and so on. Then we have created a time series forecasting model, and finally we apply the model to Xiashan Reservoir Dams. We have predicted the data of the coming year at the same time through historical monitoring data of the past three years.And we have verified the accuracy of prediction model and adjusted the related parameters.
The Mold Design for the Mouse Bottom Cover Based on EMX Software
Authors: Li Hong Lin , Jia Zhi Xin
Published: October 2012

Injection molding is a major manufacturing method for the fabrication of plastic parts for multi-industrial aspects. The mold design technology experienced the development process of manual draft, 2D CAD design to 3D CAD design. In this paper, the main functions of EMX are introduced firstly. Then the design procedures are presented for molding parts by adopting Mold Cavity functional mould in Pro/E software and the mold base by using EMX software. At last, a mold for the mouse bottom cover is designed using the given method. The result shows that integrated 3D design of mold has significant advantages on reducing labor intensity, improving design efficiency and quality.
Design of a Digital Tower Tilting Measuring Instrument Based on MEMS Sensor
Authors: Wang Tie Liu , Dong Yang , Shen Jing , Leng Kui , Meng Hao
Published: October 2012

Abstract: This article introduces a new digital inclinometer . It is designed by the combination of MEMS sensors and LPC1114 which is popular with low-power, low-cost 32-bit cortex-M0 embedded microprocessor on the market. Kalman fitter the Digital signal output of MEMS accelerometer and gyroscope . Then calculate the inclination angle in degrees. Finally, transfers data to a remote server. The instrument is low cost, fast signal processing speed, and solar green energy. It has a small size, light weight, high accuracy and high precision. Then, it can be widely used in the tower tilting real-time monitoring of electricity, buildings, bridges and gravity reference system.
Direct Pulse Signal Interpolation for Robot Movement Control Programming in INFORM III Language
Authors: Zhang Min Qing , Zhan Jian Ming , Hu Li Yong , Su Xiao Ling
Published: October 2012

First it sets up a kinematical model for a kind of industrial robots by D-H notation, and inverse kinematics solutions of its end effector are deduced according to its motion trail. By transforming the rotation angles of the robot’s joints into impulse signals, pulse signals could be used to interpolate its motion trail. Finally, it uses Matlab software to join various curve of each joint impulse signal, and formulation a mathematical model about various curve of each joint impulse signal. In this way, it could simplify program in INFORM Ⅲ language. Simulation shows that direct pulse signal interpolation improves the accuracy of trajectory positioning.
Design and Control on Automobile Crane Torque Limiter
Authors: Qiu Li Jun , Yang Jia
Published: October 2012

AMLU torque limiter is an automobile crane moment limiter. The torque limiter is detection vehicle crane lifting weight. Moment limiter can detect and display the gravity and torque dynamic change value. Vehicle mounted crane in the course of their work to detect arm angle and length, amplitude of cylinder pressure and other parameters. Vehicle mounted crane arm angle and length can be changed. Arm length detection is accomplished by length conversion mechanism. The same arm work angle detection need angle conversion mechanism. Arm length variation measurement using a retractable cable. Retractable cable tension is detected by the arm length of variable key content. Disc springs were used on the telescopic pull wheel force. Detection angle variation value using the weight arm angle converting mechanism. The angle conversion mechanism inside the box body of the injection of silicone oil can increase the oscillating damper. Reduce the detection angle fluctuation. Detection of signal processing and computer hardware design were also introduced.
Seam Tracking Monitoring during High-Power Fiber Laser Welding
Authors: Gao Xiang Dong , You De Yong
Published: October 2012

Accurate detection of weld seam deviations from the desired path during laser welding process facilitates seam tracking monitoring and is thus of primary concern in performing successful weld. This paper proposes a novel method for real-time seam tracking monitoring during high-power fiber laser welding, as it investigates into the techniques of infrared image sensing and visual recognition. Molten pool images were taken by a high-speed camera arranged in the off-axis direction of laser beam. Accumulative grayscale variation based on a molten pool thermal distribution was extracted and used to determine the deviations between the laser beam focus and the weld seam center. The proposed algorithm was experimented on a butt joint laser welding of Type 304 stainless steel plates at a continuous wave fiber laser power of 10 kW.
A Forwarding Station Integrated with Optimal Cluster Number Selection in Wireless Sensor Networks
Authors: Chan Tung Jung , Chen Ching Mu , Chen Tsair Rong
Published: October 2012

In wireless sensor networks, power consumption is the most important issue. That is wireless sensors are normally deployed into unattended places where power of sensors is hard to be charged. Indeed, the network lifetime of wireless sensor networks equipped with city power or deployed into attended place is much longer than those wireless sensors equipped with batteries. In general, wireless sensor nodes are connected together and become a network after deployed into certain places. With the certain range places that wireless senor nodes deployed into, finding the optimal clusters can increase the entire network lifetime. Also, adding the forwarding station extends the network lifetime. Therefore, this paper proposes the integration of both the forwarding station and optimal clusters in ad-hoc wireless sensor networks. Simulation results show that the entire network lifetime proposed is extended in this paper compared to both optimal cluster number selection and normal forwarding station.
A Graph Spectral Smoothing Approach for Point-Based Surface on GPU
Authors: Wang Ying Hui , Wu Wei Yong
Published: October 2012

In order to smooth point-based surface with noise, Bezier surface fitting method was applied to compute principal curvature and normal vector at each point. We construct an undirected weighted graph from scattered points, and a heat diffusion partial differential equation was defined on this graph. Considering principal curvature as heat power, the smoothing process is realized by diffusing principal curvature along graph structure. We adapt the position of each point along normal direction according to the difference of curvature. Computing heat diffusion equation can be boiled down to the spectral decomposition of Laplacian matrix. We use parallel computing method to solve the spectral decomposition of Laplacian Matrix on GPU to improve the efficiency. Some examples show that our method works well on complex models with large scale point sets.
The Water Sump Cleaning Machine by Vacuum Suction
Authors: Zhang Xi Xi , Jia Yu Jing , Cheng Guang Zhen
Published: October 2012

This article describes a vacuum water sump cleaning machine which is used to clean up coal mine water sump. Cleaning machine is composed of mechanical structure and electrical control devices. The parts of machine are made up of Walk the flatbed, storage mud tank, vacuum pumps, suction pipe, mud tubes, swing devices, control valves, suction pipe and pressure tracheal. When working, under the function of vacuum pumping, cleaning machine pulls out the vacuum from storage mud tank through the vacuum air feeder. As the vacuum level in the tank is increasing, under the function of atmospheric pressure outside world, the mud flows into the reservoir along the suction tube. When storage mud tank is full, vacuum pump automatically shut down. Turning off the vacuum valve and opening the pressure valve, the slime in the tank under the function of compressed air comes into the mine car through the row mud tube. The layout of this cleaning machine is reasonable, what is more, it is flexible and convenient to operate, so that it reduces the labor intensity significantly and improves the work efficiency of the clearance.
Research on Field Balancing of Rotor
Authors: Chen Xu Qin , Jia Yu Jing , Cheng Guang Zhen
Published: October 2012

The purpose of this paper is to explore a practical method of revolving machine’s field balancing and solve problems that the requirement of revolver balancing is high and the process is complicated in practical engineering. The paper introduces balancing principle of rotating machinery’s static balance and dynamic balance based on vibration test, and applicable conditions of different balance method. The paper mainly analyzes implementation steps and operation method of three point method field balancing based on vibration test, indicates points for attention in the process. There is no need for complicated testing equipment, just with common vibration meter, simple and practicable. In addition it is balanced in actual using condition, there won’t be problem that new imbalance comes into being after installation.
Design of a New Piezo-Electric Micro-Gripper Based on Flexible Magnifying Mechanism
Authors: Feng Feng Yi , Cui Yu Guo , Xue Fei , Wu Liang En
Published: October 2012

Based on the requirements of that the finger can move in parallel, and the displacement of the finger can be detected, the micro-gripper driven by piezoelectric actuator is designed based on the displacement amplification structure with the flexure hinge. The static analysis, the modal analysis, the harmonic response analysis and the transient response analysis of the micro-gripper are carried out by using the finite element analysis software ANSYS. The results of the finite element analysis show that the finger is fully able to move in parallel, and can detect the displacement of the finger; the maximum displacement of the finger is about 101 μm, the first natural frequency is about 130 Hz; the finger tip displacement under the 1 μm step input is about 20 μm, the fingertip vibration is about ±2 μm.
Research on Span of Manufacturing Task with Time-Sequence Constraint for Manufacturing Collaborative Alliances
Authors: Wang Hong Fei
Published: October 2012

For the manufacturing task of manufacturing collaborative alliances, the relationship between manufacturing task programming and manufacturing resources deployment is analyzed and the model for the span of manufacturing task with time sequence constraint is constructed. The problem of span programming of manufacturing task with time sequence constraint is analyzed by integrating qualitative and quantitative methods from production period for the manufacturing task. The mathematical formulations of influential factors and task span are constructed, and the optimal values of task span are obtained. By analyzing the results of quasi-quantitative study, some meaningful results that benefit to programming for collaborative manufacturing task are achieved.
A New Optimal Algorithm for Multi-Containers Packing Problem
Authors: Wang Yan Lin , Lu Hong Sheng , Yu Ai Bing
Published: October 2012

Container packing has become more and more important for long-distance transportation as the development of logistics industry. A good container load plan will help to improve efficiency, reduce transportation cost and increase economic benefits. In this paper, we proposed a new optimal algorithm for multi-containers packing problem. The algorithm consists of a heuristic method which is for single-bin loading, and a genetic algorithm which is for multi-containers packing. A new placement nodes strategy was designed according to the container loading characteristics in the heuristics. Through this method, the number of placement nodes was reduced effectively. In genetic algorithm, an innovative chromosome encoding was presented, which is efficient to decrease the chromosome length. The simulation results show that the new algorithm is available and efficient. The proposed algorithm performs better in terms of space utilizations and running time.
Research on Management of Emergency Supplies Reserves For Integrated Military-Civilian
Authors: Li Yu Lan , Guo Ai Dong , Luo Su Jun
Published: October 2012

Currently there are several aspects in the management of emergency material reserves, such as limited resources of emergency supplies reserves, lagging in the contingency reserve technology development and non-consistency of reserve process of emergency supplies. How to optimize the management of emergency supplies stored using rational design method is the focus of this study. On the basis of analysis of existing inadequate emergency supplies reserves in China, building three-level management mechanism of emergency supplies reserves in view of local, military and related organizations is proposed. The multi-level inventory management system is put forward according to fair share allocation method, ABC classification and statistics that have occurred in the case of disaster supplies needed. Based on the limited storage resources for emergency reserves, the relevant indicators coefficient is constructed by the Delphi method and the coefficient of variation method, and the optimal type of emergency supplies reserves is ultimately obtained through the dynamic programming method.
The Research on Scenario Demonstration Engine of Plan Demonstration in the Detection System
Authors: Su Jian Xin , Guo Le Jiang , Wang Hai Lin , Wu Yan Lin , Zhang Yan
Published: October 2012

Through research and analysis of the detection system plan demonstration system from the topology, software architecture and the basic systems functions, this paper discusses the basic components, the model library and run the process of scenario demonstration engine of plan demonstration in the detection system. It introduces the running control algorithms of scenario demonstration engine, the obscured corner priority judgment method, the command processor, scenario processor, and model design to achieve some of the key technology in scenario demonstration engine.
Polytopic Decomposition of the Linear Parameter-Varying Model Based on HOSVD
Authors: Wang Ming Hao , Liu Gang , Hou Hong Qing
Published: October 2012

For the solution of an infinite number of LMI in the parameters trajectory of LPV system, a method based on the tensor product transformation is proposed to tranform the LPV system into the convex polytopic structure. Firstly, discretizing the given LPV system within the interzone of the changing parameters and storing it into a tensor, and then using higher order singular value decomposition (HOSVD), discarding smaller and non-zero singular values and their corresponding singular vectors, reconstructing the reduced-rank tensor to obtain a finite number of LTI vertex systems. The final example shows that the convex polytopic system obtained by this method can substitute the original LPV system within the allowed error.
Based on Computer Substation Monitoring Controlled Video System
Authors: Ding Xue Feng
Published: October 2012

In order to remote video surveillance is a necessary means of Substation, this describes the composition of remote video surveillance system, video surveillance systems, transmission systems, substation remote video surveillance and the linkage of the work process of the alarm, the unmanned subhastation should have the functionality and remote video monitoring of communication conditions. The remote monitoring system for data signals as the data source through the computer to control the substation video surveillance system, the substation as a conference at the venue, set up the meeting subsystem, a wider range of monitoring of the substation.
Research on Synthesis Control Technology for Aircraft Electrical System
Authors: Xu Hang , Zou Tao
Published: October 2012

The airborne electromechanical system is essential to ensure the aircraft flight and it is most complex system in the aircraft, the aircraft intelligent power supply system and the aircraft electrical system synthesis control is the basis of airborne integrated electromechanical system. The paper gives up the hardware and software compositions and operation features of the aircraft electrical synthesis control system under based on the current situation of science and technology. It expounds the function and structure of PSP, ELMC and RT, the demands of BIT technique and fault tolerant design of electrical power system. It refers design scheme of electrical synthesis control system according to developing trends of aircraft electrical system.
The Simulation and Design Applications of Grinding and Classification Process Control System
Authors: Wang De Yan
Published: October 2012

Based on the grinding and classification process dynamic model, the distributed simulation platform for semi-physical grinding process was analyzed. Based on the feedback correction and dynamic optimal control and optimization model calculated the optimal control law, the quality indicators to feedback regulation mechanism was introduced to eliminate the impact of process disturbances and other uncertainties. Intelligent control unit according to the deviation between the artificial test and expectations of quality indicators can feedback correction of the optimal control law. The field experiment results show that the program to stabilize the process of product quality, to achieve the process of saving energy. The grinding process of the optimal control of distributed simulation platform for the optimal control method and system design provide effective, convenient, reliable and intuitive engineering lab environment. Also it has important reference value to other metallurgical optimization of industrial process control engineering verification and simulation.
The Design and Implementation of Information Transmission Module of Fire Alarm System Based on S3C2440
Authors: Chen Yu Rong , Huang Hui Jiao , Zheng Xiao Li , Wang Feng
Published: October 2012

This design belongs to a branch module of the fire monitoring alarm system: data transmission module. This whole fire monitoring alarm system based on ARM9 whose core is s3c2440, mainly consists of sensor module, server module and data transmission module. Data transmission module covers the two parts of the transmission: the sensor data transmission between PC and ARM9, and the alarm message transmission. The code of the data transmission is written in Linux environment, in which the transplant of Linux, Qt interface, TCP transmission, serial port correspondence technology is involved. To use GSM module to implement short message alarm and phone alarm is the innovation of this design.
Research on Modeling of Sensor Nodes Reliability
Authors: Qiu Li Juan , Jin Cheng Ming , Ma Ming
Published: October 2012

To establish the model of wireless sensor network reliability, the sensor nodes’ reliability was assumed to be exponential distribution. By the methods of MLE and K-S , reliability distribution function of sensor nodes was verified in line with two parameters Weibull distribution . Basing on experimental dates , reliability distribution function of sensor nodes accorded with two parameters Weibull distribution and exponential distribution were in Eq.9 and Eq.10. Comparative results in Fig.5 shows that the two parameters Weibull distribution exceeds the exponential distribution to describe the distribution of sensor nodes.
Optimize Study of Pressure Die-Casting Technology for Producing Motor Rotator
Authors: Yang Ya Qin
Published: October 2012

Motor rotator is one of the most important cast aluminum members. The configuration is so complex that it spends so much calculation and time by experimental method using multi-program. This paper mainly researched several main parameters by using scientific experimental method, thus introduced a simple project with optimized parameters in order to achieve a goal that can reduce in workload and improve the quality of castings.
A New Structure of the Washing Machine Clutch Research and Development
Authors: He Ai Xia , Li Rong Chang
Published: October 2012

In order to reduce the cost of washing machine clutch, clutch manufacturing process to improve through conventional washing machine JLX-N-5.0 clutch structure analysis, a new structure of the washing machine clutch, in ensuring the technical performance of the major premise, the clutch brake structure was improved to cancel one-way bearing, narrow diameter brake wheel, change the brake means and planetary gear train positioned. Comparative experimental results show that the clutch brake performance and a substantial increase in operating performance, with simple technology and low cost characteristics.
Modeling and Simulation on One Unpropelled Vehicle’s Dispersal Characteristic of Underwater Based on Ocean Environment
Authors: Li Xiang Ke , Wei Yong , Zheng Lei
Published: October 2012

The aquatic pressure state and movement offset of one unpropelled vehicle is analyzed, pressure state models and movement offset models are built, position stance diversification of vehicle is calculated based on diverse ocean current angles and velocity, the horizontal offset and the vertical katabatic value are acquired, dispersal characteristic and orderliness are summarized.
Some Reflections on the High Voltage Direct Current Transmission
Authors: Xu Peng Fei
Published: October 2012

In order to make the development and application of HVDC transmission get better, the author discussed the advantages and disadvantages of HVDC transmission in detail, and proposed his own idea on the improvement of HVDC transmission.
Optimal Decision of Stochastic Controllable New Energy Hybrid Power Generation System
Authors: Wu Jia Jie , Yi Jun , Pan Yuan Li , Wang Yuan
Published: October 2012

With the characteristics of intermittence and randomness, Wind, solar and other new energy generation connected to the grid need for coordination to ensure safety and stable operation of the grid. To this end, the paper uses of complementary of wind and solar resources to build a controllable new energy supply system. Through the rational use of electric vehicles energy storage device, propose a stochastic optimal decision method of hybrid power generation system, based on the theory of chance constrained. There are broad prospects for the effective use of renewable resources.
Attitude Tracking and Location Algorithm of Drill Bit for Underwater Mud-Penetrator
Authors: Yang Ke , Ge Tong , Wang Xu Yang
Published: October 2012

This paper proposed a navigation algorithm based on indirect square root kalman filter. On the basis of rigorous argument about the sensor measurement error, we established state error equation based on sensor random walk model and deduced the relationship between state error and steady-state component of acceleration and angular velocity. Considered the divergence of kalman filter in the update stage, we used square root kalman filter to calculate the true value of state error which can be used to correct the predictive value of state. In order to provide acceleration, angular velocity and velocity for the proposed algorithm, we installed an imu7200 within the drill bit and mounted an encoder on the wheel of the delivery tube device. Marine experiments in the east china sea show that the proposed algorithm can implement accurate location and attitude tracking of drill bit.