bluuebunny/crossref_metadata_2025 huggingface dataset:
The Effect of Tension for Belt Drive Rotary Motion Error
Authors: Wang Chao , Cheng Qi , Wang Meng Meng , Si Hui , Zhao Jiu Chang
Published: November 2012

The tension causes pulley eccentric in belt drive. Through the analysis of the shaft deformation caused by the pulley eccentric, this paper resulted in the calculation method and related formulas for belt drive rotary motion error under different tension. And based on the PDJ-4 belt drive experiment facility giving examples of analysis, we draw the conclusion that with the increase of tension, rotary motion error increases at the same time. Thus it will have a greater rotary motion error when the tension is too large. This paper proposed the scheme and measures to improve that error eventually.
The Progress of the Study on Fan Noise Reduction Technology
Authors: Lin Xiang Hua , Li Ji , Cai Yun Peng , Ji Ming Hui
Published: November 2012

The paper reviews the research results of the fan noise in recent years, including both achievements acquired and problems existed. The domestic and overseas researches of fan noise mechanism mainly focus on air dynamic noise. However, the fan noise control method expounds the problem from three aspects, namely, the modern design manufacturing application in noise reduction, new material new structure used in noise reduction, and active noise reduction. Finally, the paper prospects the main development direction of fan noise reduction.
Verification of FLUENT in the Computation of Supersonic Inlet
Authors: Guan Xiang Yi
Published: November 2012

This paper analyzes the simulation results obtained by using FLUENT 6.1, simulation being carried out on supersonic inlet. A combination of turbulence models are adoptedsuch as k-RNG k- and S-A. The computation outcomes are checked by experiment results. Detailed analysis demonstrates that the numerical results obtained from the turbulence models can accurately forecast the pressure distribution trend in the inlet. However, for separation bubbles due to the mutual interference of the shock wave within the inlet boundary layer, the calculation predicts fewer bubbles than actually generated in the experiment. The RNG k- and SA turbulence models produces clearer wave structures in the channel.
Application of EMD to Integrated Signal Trend Extraction
Authors: Chen Ye Qu , Zheng Wen , Wei Xie Ben
Published: November 2012

Huang’s data-driven technique of Empirical Mode Decomposition (EMD) is presented, and issues related to its effective implementation are discussed. Integrating signal directly will produce a trend, it will cause distortion and interfere with the calculation results. This paper discusses the reasons that cause the integrated signal trend, compares the different methods for extracting trend. The traditional steps use the linear fitting and a high-pass filter to remove low frequency signal to extract trend. This paper uses Empirical Mode Decomposition (EMD) method to extract integrated signals trend, discussed the advantages of Empirical Mode Decomposition (EMD) method in this case, proves that Empirical Mode Decomposition (EMD) has a good application in integrated signal trend extraction.
Research on the Equipment-Oriented Faults Diagnosis Expert System
Authors: Shi Hong Xia , Li Xin , Zhang Xiao Bao , Li Yuan
Published: November 2012

Expert system is a smart program system, which can utilize the human experts' knowledge and experience from solving problems to deal with difficult problems of high level in correlative fields, so as to solve the fault diagnosis problems of complicated systems. This paper in detail introduces the composition and function of equipment-oriented fault diagnosis expert system and the meaning of the application of this system in equipment fault diagnosis. In wartime, the location of the equipments is more dispersed and the battlefield environment is harsher. These above make manual inspection more difficult, of no guarantee of time effect and maintenance difficulty bigger. The utility of the fault diagnosis expert system for equipment has important meaning in both ensuring the ability at equipments' development, maintenance and repair and improving the utilization rate of equipments and the army's combat effectiveness with national defense science and technology.
Analyses of Error and Precision of 6-DOF Platform
Authors: Ren Rui , Ye Chang Chun , Fan Guo Bin
Published: November 2012

A particular subset of 6-DOF parallel mechanisms is known as Stewart platforms (or hexapod). Stewart platform characteristic analyzed in this paper is the effect of small errors within its elements (strut lengths, joint placement) which can be caused by manufacturing tolerances or setting up errors or other even unknown sources to end effector. The biggest kinematics problem is parallel robotics which is the forward kinematics. On the basis of forward kinematic of 6-DOF platform, the algorithm model was built by Newton iteration, several computer programs were written in the MATLAB and Visual C++ programming language. The model is effective and real-time approved by forwards kinematics, inverse kinematics iteration and practical experiment. Analyzing the resource of error, get some related spectra map, top plat position and posture error corresponding every error resource respectively. By researching and comparing the error spectra map, some general results is concluded.
Modal Analysis on Transmission Gear Train of Planetary Reducer
Authors: Zhou Ju , Su Jin Ying
Published: November 2012

The planetary reducer has both internal incentive of varying mesh stiffness and external incentive of eccentric quality, which are prone to vibration and noise at work. This paper use ANSYS Workbench to build model, divide grid and carry out modal analysis for transmission gear train of Planetary reducer, and calculate the 6 order modes. The modal analysis result is compared with excited frequency and natural frequency respectively. This paper’s modal analysis is more accuracy, more rational and more scientific than the previous experience design and statics analysis. It not only provides the useful date for acoustic analysis of planetary reducer, but also provides theory basis for avoiding planetary reducer resonance, and lays a foundation for the whole system dynamic response calculation and analysis.
Noise and Vibration Analysis of the Precision Grinder Hydraulic Station
Authors: Zheng Xiang Ming , Xu Hui , Hu Jie
Published: November 2012

This paper present mechanism analysis of the vibration and noise of the hydraulic system and the dangers of the equipment and measurement to prevent noise and reduce noise combining with the structure character of precision grinder. These measuring will improve the hydraulic system and reduce the hazards of noise and equipment. This method would improve the hydraulic system, which provides a propounding base and has a positive and far-reaching significance for hydraulic equipment the development of technology.
Model for Unanticipated Fault Detection by OCPCA
Authors: He Zhang Ming , Zhou Hai Yin , Wang Jiong Qi , Jiao Yuan Yuan
Published: November 2012

Detection and diagnosis of unanticipated fault has inevitably become a critical issue for PHM (Prognostics and Health Management), especially in the fields of robot, spacecraft and industrial system. It is difficult to overcome this problem since there is lack of history information, prior knowledge and dealing strategy for unanticipated fault. In this paper, a general processing model for unanticipated fault detection and diagnosis is constructed, then, a detection method, named OCPCA (One-class Principal Component Analysis), is proposed. Every OCPCA detector is trained by data from single pattern, and the testing task is to determine whether the testing data is from the very pattern. If the unanticipated fault data is rejected by all OCPCA detectors, then the detection task is accomplished. TEP (Tennessee-Eastman Process), a widely used simulated system based on an actual industrial process, is used to verify the detection of unanticipated fault. The results demonstrate the validity of the proposed model and method.
Fault Diagnosis of Rotating Machineries and its Development Trend
Authors: Zhu Hou Yao , Zhang Chun Liang , Yang Bao Jian
Published: November 2012

This paper introduces the need for the development of fault diagnosis technology. Then the fault diagnosis procedures and principles were analyzed. The common faults of rotating machinery were classified and elaborated in detail, and presented different types of fault vibration signal amplitude-frequency diagram. Then the paper mainly described the fault diagnosis of rotating machinery commonly used method, an overview of domestic and foreign research and development, future trends and prospects of the fault diagnosis technology.
Wavelet Selection in Fault Diagnosis of Wavelet Transform
Authors: Li Shu’e , Lv Feng , Fu Chao
Published: November 2012

Wavelet analysis is a kind of time-frequency analysis method, It is particularly effective to analyze signal singularity, singular point location and size of the singular degree, fault characteristic signal can be effectively separated, and it can be used to make fault analysis and diagnosis. And choosing different wavelet analysis on fault make different results. Based on the induction motor stator current for the simulation model, the paper discusses the signal with different wavelet denoising, except the singularity detection and fault diagnosis. And analyzes the importance of fault mother wavelet choicing.
A Study of Hybrid Optimization of Injection Moulding Process Parameters for Plastic Gear
Authors: Mehat Nik Mizamzul , Kamaruddin Shahrul , Othman Abdul Rahim
Published: November 2012

This paper presents a hybrid optimization method for optimizing the injection moulding process parameters for plastic gear. This proposed method combines the Taguchi robust design, grey relational analysis (GRA) and principal component analysis (PCA) in designing the experiments and analyzing the behaviour of shrinkage in addendum circles (AC), dedendum circles (DC) and tooth thickness (TT) of the moulded gear. The proposed hybrid optimization method appears to be a necessity to overcome the shortcomings in multiple quality characteristics optimization as well as provides a statistical solution in defining a weight for each quality characteristic.
Application of Non-Circular Planetary Gear Mechanism in the Gear Pump
Authors: Ding Hong
Published: November 2012

Gear pump is the most commonly used hydraulic component in hydraulic drive system.Volumetric efficiency of the traditional gear pump is low, big flow ripple causes large pressure fluctuations, makes pipes and valves vibration, noisy. The imbalance pressure on gear pump’s gears, shafts and bearings and the large radial load limits its pressure increased. Planetary gear transmission compared with ordinary gear transmission, it has many unique advantages. So the writer on the basis of the combination of proposed non-circular planetary gear pumps and gear pump works discussed the structure and working principle of the pump. The non-circular planetary gear pump with many advantages such as big flow, uniform flow, low noise and so on. It can be widely used in various hydraulic transmission systems.
Packaging Structure Optimization Design Based on Low-Carbon Packaging Idea
Authors: Li Bi Ru , Li Ze Rong , Tian Peng Fei
Published: November 2012

The present situation and existing problems of low carbon package as the high energy consumption, over-packaging and low recovery rate etc., have been analyzed in this paper. To realize minimizing the comprehensive carbon emission of packaging in the process of circulation, the low carbon consumption logistics strategy in the process of transportation, warehousing, loading and unloading, the consumption packaging strategy of simply and humanization in the process of consuming or using the product, and the principle of green design after discarded have been put forward based on the research on the structure optimization of low carbon packing in the whole life cycle according to the characteristics such as reduction, low energy consumption, low pollution and recyclable use etc and effective way of low carbon packing.
Study on the Effect of Brush Roller to Blanket
Authors: Lv Chuan Dong , Cai Ji Fei , Li Guang , Fang Rui Ming
Published: November 2012

Brushes-type blanket washer’s function is rubbing a high speed spinning brush roller against blanket roller, so as to clean the paper-lints and ink which adhere to the surface of blanket cylinder. It is very important to do a research into the dynamic structural analysis of the washer which determines the stability of this equipment. With the gyroscopic effect dynamic analysis of brush blanket, we get the relation curve between central offset of the washer and the load of permanent joint. The result show that a minute alteration of the central offset causes effect change of the load. This result provides a theoretical basis to control the effect change and then improve the stability and decrease the cost.
Electro-Hydraulic Proportional Flow Valve Control Complex Variable Pump and Research its Property for Injection Machine Hydraulic System
Authors: Li Lan , Zheng Xue Fei , Xie Xian Bo
Published: November 2012

In hydraulic system of injection machine, electro-hydraulic proportional flow valve is used to change complex variable pump output flow and power in order to adapt to load change and energy saving.In this paper ,it introduces the working principle of electro-hydraulic proportional flow valve and how control the complex variable pump. Mathematical modeling of proportional flow valve is built and simulations based on Matlabsimulink software is done. It analyses dynamic characteristics of complex variable pump in different electricity. The results are helpful in improving the pump efficiency and response,and they provide theoretical basis for energy saving.
The Method on Acceleration Extraction from Strapdown Airborne Scalar Gravimeter Based on Flight Dynamics
Authors: Cai Shao Kun , Zhang Kai Dong , Wu Mei Ping , Huang Yang Ming
Published: November 2012

Combining with the error model of strapdown airborne scalar gravimetry, the paper analyses the natural motions of the aircraft, and then discusses how those natural motions of the aircraft influence the airborne scalar gravimetry. The spectra characteristic of measurement errors of the strapdown airborne scalar gravimetry can be obtained, and its relation with natural motions of the aircraft is demonstrated. As a result, we can determine the cutoff frequency of low-pass filter through the characteristic of the natural motions of the aircraft, the cutoff frequency is very important for acceleration extraction from the strapdown airborne scalar gravimeter.
Group Decision-Making Oriented Civil Engineering Undergraduate Education Reform in China
Authors: Huang Chun Ying , Wang Xiao Ming
Published: November 2012

This paper studies civil engineering undergraduate education reform in China in the context of sustainable development. At first, from the perspective of sustainable development and symbiosis, group decision-making for the construction project aiming at the sustainability and the harmony of development is very necessary for ensuring the common and long-term interests of all the stakeholders and their successors, which should be performed based on the consensus and cooperation of all the decision-makers. Secondly, some present problems of civil engineering undergraduate education in China, which can do harm to group decision-making, are discussed. In the end, this paper gives some suggestions for civil engineering undergraduate education reform in China, to help the undergraduates establish the concepts of sustainable development, harmonious symbiosis and group decision-making in their minds consciously, so as to make them achieve sustainable development and harmonious relationship between the construction project and the environment actively during their future work.
College Teaching Quality Evaluation Model Based on BP Neural Network
Authors: Zhu Xiao Hong
Published: November 2012

The college teaching quality evaluation is a multi-factor, multi-variable fuzzy nonlinear process. This paper applied BP neural network to setup a teaching quality evaluation model according to the expert group standards, and trained the neural network model through MATLAB7.0 for learning complex knowledge and simulating capabilities. The data test validation shows that the evaluation result agreed to the actual teaching effectiveness, and has a wide range of applications in various types of teaching management.
Thinking of Engineering Graphics Teaching Management Model and Teacher Team Building
Authors: Luo Min Xue
Published: November 2012

The engineering graphics discipline subordinate professional school of management, this mode of teaching management has the following problems. Engineering graphics teachers, can not concentrate on doing their own teaching and research work. One teacher without effective engineering graphics peer assessment, his engineering graphics teaching quality can not be guaranteed. New teachers into the institute,difficult to obtain a valid assessment. Problem solving way, first of all, engineering colleges, to set up engineering graphics independent management department, so that engineering graphics courses teaching quality is guaranteed under the existing conditions, can quickly show good results. Followed, by the mobilization of engineering graphics experts, in qualified well known engineering colleges, create engineering graphics undergraduate, to cultivate high quality engineering graphics talent, and engineering graphics software development talent. Engineering graphics teaching quality assurance will be continued,so that this intangible heritage is inherited. So, for the engineering circles, cultivation of top design talent and high quality graphics software-development talent has a solid foundation.
Strengthen Practice Reform of Professional Teaching and Cultivate Students' Project Practice Ability
Authors: Sun Shu Li , Wu Yang Fang , Qiu Qi , Liu Hua , Lu Qiang Qiang
Published: November 2012

This paper gives a detailed discuss in the construction of teaching system, discusses the characteristics of professional teaching practice reform, and lays stress on the approaches and methods of the college students' engineering practical ability training. The reform consist of three fields, the first is designing of the professional teaching program based on the characteristics of engineering practice, which is composed of theory teaching and practice teaching system and Increase the proportion of professional teaching practice, give prominence to project practice. The second is strengthening the construction of inside workplace environment, cultivate of the students' engineering consciousness”. The last is strengthening the humanism quality, innovative quality and engineering quality. In short, College students' comprehensive quality training is a systems engineering, No matter from teaching planned arrangements and implementation, or the actual environment construction, tremendous efforts are needed.
Exploration on Teaching Reform and Innovation of Material Mechanics
Authors: Liu Jun
Published: November 2012

This paper discussed the teaching reform and innovation of the material mechanics, points out that the focuses of the reform are to carry out reform and innovation to the curriculum system and teaching contents to train the ability of the students to analyze the question and master learning method, reform teaching methods, reform test methods and form means at the same time, and close both closely to adapt to the needs of social development and training modernization talents. Developed a teaching method named "Life scenes approach", it is a kind of interactive teaching method, in which, carry out equal dialogue and discussion between the teachers and students. Used academic site as the medium of teaching course, the teachers could discuss with the students by network teaching method. Advocate memory methods to formula type and contrast type such as formula type, the shape centroid position of all kinds of graphics and so on. Developed multimedia software of teaching material mechanics that is suitable for our school teaching characteristics. Through the teaching reforming, we have received some significant effects, after reform, pass rate of the exam is 94.3%, before the reform, it is 86.5%.
Teaching Reform of Numerical Control Machine Tools and Programming Based on Modern Engineering Education
Authors: Wang Shan , Wang Bao Hua
Published: November 2012

Modern engineering education focuses on enhancing the comprehensive quality of talents and training their practice, innovation as well as openness. In this case, the course of numerical control machine tools and programming must respond positively to the development demand in higher vocational colleges. Under the guidance of its ideas, through purposefully, designedly integrating curriculum resources, strengthening practice teaching and reforming teaching methods together with teaching means, this paper aims at cultivating well-qualified engineering talents to better adapt to the development of society, science and technology in the 21st century.
The Internet-Based Electrical Engineering Virtual Lab: Using Load-Balancing Cluster System
Authors: Chen Jian Feng , Zhang Shou Heng , Zhu Shan'an
Published: November 2012

In order to promote the development of Chinese modern education and relative technologies, this paper proposes the Internet-based Electrical Engineering Virtual Lab (iEEVL). iEEVL is a type of distant education. It virtualizes the electric and electronic experiments, and makes it possible to do online experiments by students. Besides, iEEVL uses the load-balancing cluster system to help it work well. The cluster is mainly based on the technologies of two-tier load-balancing algorithm, Twisted server framework, server virtualization and Modelica technology, and acts an important role in iEEVL. It not only realizes the computing function of the virtual experiments, meets the requirements of balanced distribution and high concurrency, but also improves the stability and scalability of iEEVL.
PCMM Model Analysis and Development Capability Fuzzy Evaluation System Research in Teaching Team of Automobile Specialty in Higher Vocational College
Authors: Yue Shuai , Wang Chun Guang
Published: November 2012

In order to evaluate the development capacity of teaching team of automobile specialty in higher vocational College, the human resources management ability maturity model (PCMM) of the US Software Engineering Research Institute is used. From the perspective of social need, organizational environment and teaching and scientific research, Analytic Hierarchy process (AHP) and Fuzzy Comprehensive Evaluation (FCE) are used. The fuzzy comprehensive evaluation model is created by the social ability, management ability and executive ability maturity. The evaluate system is a new exploration to research automobile specialty. It can provide a scientific, feasible management framework to automobile specialty education management. It provides operational development capacity measuring tool to teach team of automobile specialty in vocational college and can improve the quality of teaching aim.
The Research and Practice of Innovative Training Methods on Computer and Related Majors
Authors: Yi Zhian , Du Juan , Liu Tie Liang
Published: November 2012

Cultivating the students’ awareness and consciousness of the innovation is not only the needs of the times, but also one of the core works of the university education. In this research paper, according to the characteristics of computer and related majors, integrating with the northeast petroleum university of innovative personnel training experience, we come to the conclusion that in the first place, the student should lay a solid theoretical foundation, and then according to the students' abilities and interests ,we create a variety of ways to stimulate the students' innovative abilities, such as the activity of innovative experiment, the subject competition and the professional laboratory. Last but not least, we run school in alliance with many enterprises. With the joint efforts in many ways, our education will achieve sound and practicable development.
Design and Analysis of Vacuum Coating's Filtration System
Authors: Wang Hao , Li Ke Tian , He Wei Feng , Tan Zhe Hao
Published: November 2012

A filtration system is designed for vacuum coating according to special requests. 3D model for system is established and analysed. Some parts of the system are introduced, such as important component, pipeline layout and analysis under external load. According to the principle of selection about important parts which contain vacuum pump and pressure tank, suitable parameters of parts can be confirmed. Modifying corresponding parameters can rebuild 3D model to realize FEA. Better parameters combination can be obtained by the means of contrast between the old and new model. That optimization of structure can make the medium of pipeline smoother and reduce complex pipe to realize cost savings as far as possible. Improving variables of filtration system can improve the efficiency of work.
Integrating and Sharing of Instructional Resources for Local Colleges Based on Cloud Computing
Authors: Liu Chao , Yi Zhian
Published: November 2012

As the concept has been recommended in recent years, cloud computing more and more into sight. Centralized its computing and storage to the network, let local application procedures and client simple to only a support scripting browser, the performance of personal computer to minimize, maximize function,on the resources of the distribution of teaching resources integration way is needed. This paper expounds the concept and characteristics of cloud computing,and then it puts forward how to manage the teaching resources of college by cloud computing, in order to base the teaching resources sharing mechanism which relies on cloud technology , integrate the teaching resources, share the resources based on data security, promote the construction of digital teaching resources and the high quality teaching resources sharing.
Reflections on the Training of Outstanding Engineers
Authors: Fu Cheng , Huang Bin
Published: November 2012

The Outstanding Engineer Training Program is a strategic plan for making higher education serve economic development and raising the competitiveness of engineers. To carry out the program successfully,it is necessary to accurately uphold its principles, clearly define the specifications of training, focus on practical social needs, enhance capacity training, strengthen the collaborations between universities and industries, optimize education plans, and reform teaching methods. Only in this way will a large number of highly competent and innovative engineers be trained.
Conception of Mechanical Engineering Training System by Trinity of Engineering Project, Workplace Environment and Industry-University Cooperation
Authors: Sun Shu Li , Zhang Jun , Wu Yang Fang , Shao Wei
Published: November 2012

This paper based on the CDIO international engineering education philosophy, we conceived a more detailed mechanical engineering major training system, and we analyzed the problems in the teaching process, we described the knowledge, ability and quality that students should have, at the same time we discussed the implementation method of trinity of engineering project, workplace environment, industry-university cooperation.
Research into the Training of College Students’ Abilities to Create, Innovate and Pioneer
Authors: Han Su , Han Xiao Feng
Published: November 2012

The 21st century is the one in which knowledge innovation promotes economic development. Our country and society earnestly need a lot of talents who have the abilities of creation, innovation and pioneering. In order to meet the challenge of the times, it is highly necessary for colleges and universities to carry out the education to create, innovate and pioneer. Higher education should undertake the mission of training and improving college students’ such abilities so as to make good preparations for their future. In this paper, combined with the above situation, the authors analyze the characteristics of creating, innovating and pioneering talents, probe into the main points of the creative, innovative and pioneering education and put forward the concrete measures to foster such talents.
The Research and Practice of Three-Dimensional Innovation Talents Development Model in Engineering Education
Authors: Wu Xiu Qin , Liu Tie Liang , Yi Zhian
Published: November 2012

Cultivating students who have innovated abilities is not only an age requirement but also the focus of engineering education. In engineering education, according to the studies and practices for a very long time, this article establish "three-dimension" innovation talents development model which can improve students’ abilities of self-study and help them fit the society better after their graduation. The seven aspects are teaching method, learning approach, teaching material constructs, auxiliary answering strategy, teaching evaluation, students develop environment and innovation channels. “Three-dimensional” innovation talents development model is designed according to students’ character and their best innovation study result .And it can actually form a three-dimensional layered training model includes “General-form Teaching”, “Extensions Expand” and “Elites Cultivating”. The effect of the practice of "three-dimensional" innovation talents development model is very obvious.
Using WebQuest Approach in EFL for Project-Based Course Design
Authors: Cui Han , Tong Yu Ping , Bao Jie
Published: November 2012

Originated in the US, WebQuest has been popularized all over the world and gradually integrated into the EFL education. This paper offers a analysis of the needs and benefits of integrating WebQuest approach into EFL teaching in China, and highlights the pratice of designing a project-based course based on WebQuest. It is intended to assist the EFL teachers in utilizing this accessible and low-cost technology to design and implement effective learning activities that meet the specific learning needs of English Language Learners.
Training Mode of Agricultural Engineering Talents Based on Industry
Authors: Yang Zhou , Jia Rui Chang , Luo Xiwen , Hong Tian Sheng , Yang Dan Tong
Published: November 2012

Researched on the training goal and requirement of agricultural engineering professional talents, the construction characteristics and features of agricultural engineering undergraduate specialty are analyzed based on the modern agricultural industry development. A construction plan of agriculture engineering specialty which interacts with industry is discussed from the curriculum system, teaching team and experiment teaching. Referenced the experience of international engineering specialty certification, the optimization approaches and measures of training mode for modern agricultural engineering professional talents are proposed from three aspects of education notion, teaching conditions and education process. The characteristics of three combinations which build agricultural engineering specialty training plan based on modern industry are concluded to guide the talents training scheme design and teaching implementation of agricultural mechanization and automation specialty.
Construction of Mechatronics Engineering Talents Cultivation System Based on Local Economy
Authors: Zhao Wei Min , Zhu Xu Xia , Yang Chao Zhen
Published: November 2012

A truly qualified mechatronics talents must organically combine the mechanical knowledge and electronic technology, computer technology and information technology together with a comprehensive and integrated manner to consider electromechanical integration problems, and design mechatronics products. Aiming at solving the problems that mechatronics talents cultivation lack experiences and involve the two fields: mechanics and electronics, in this paper, based on the development of local economic, the knowledge and ability structure requirements for mechatronics talent was expounded, and curriculum, teaching contents and methods etc. were systematically integrated, the structure tree of curricula and practical link were constructed, meanwhile training model of the mechatronics professionals was discussed.
Research into College Students’ Pioneering Education
Authors: Han Su , Han Xiao Feng
Published: November 2012

With the coming of the popularity of higher education, it is more and more difficulty for college students to find good jobs now. It has become the new tendency of the development and reform of our country’s higher education to carry out college students’ pioneering education, which is to train and improve their existing ability. In a broad sense, it refers to fostering the pioneering people who have pioneering spirit, pioneering ability, the ability to work independently and technical, social and management skills. In this paper, combined with the above situation, the authors analyze the current situation of our country’s college students’ pioneering undertaking , expound the importance of pioneering education and put forward the concrete measures to carry it out.
Development of the Practice Teaching Project in Machine Design Based on CDIO Engineering Education Model
Authors: Guo Qing , Luo Ding Gui , Long Yun
Published: November 2012

This paper describes the basic concepts of engineering education model-CDIO. Then referring to the CDIO teaching philosophy, take the practice teaching reform about machine design as an example, coordinated development of student-centered knowledge, capability and diathesis serves as the guiding ideology. This combines knowledge impartment and capability cultivation together. Development of the machine design practice teaching project based on CDIO engineering education model are put forward, while requirements involved in the practice project are expounded as well as works in each stage. Additionally, the practice project broke the traditional instruction model with roles of students and teachers changed significantly. Precisely, students are demanded to design and accomplish tasks in the project independently to turn the traditional passive education mode to a self-innovation, excogitation and implementation mode. Thus, engineering and technical personnel, who are needed by modern corporations and possess professional skills, social awareness, and entrepreneur sensitivity, are cultivated for Chinese future development.
Current Situation of Applied Graduation Design and Countermeasures
Authors: Yang Chao Zhen , Shang Wei Yan , Xu Xue Bo
Published: November 2012

To find the main problems existed in applied undergraduate engineering graduation project, educational philosophy, teaching and study style, and teaching management have all been analyzed. In the philosophy of education, good relationship should be established between education and popular education, general education and fine professional, education and learning, and study and employment. Then the graduation project management should be strengthened, the process management and quality management should also be firmed, and the evaluation of graduation design quality should be evaluated objectively, fair and impartial. And at last, teachers' moral, the teaching culture, the learning culture and some other favorable atmosphere should be constructed. By these methods, the enthusiasm and initiative of teachers and students can be stimulated conscientiously, so that there will be integrity and pragmatic in the study course. And finally, graduation design quality will be improved certainly in applied undergraduate institute.
Exploration on Experiment Teaching Reform Based on CDIO Engineering Theory
Authors: Wu Qing Feng , Xiao Zhong Min , Zhu Hou Yao , Long Yun
Published: November 2012

Experimental teaching is an important part of higher education. It has an effect that cannot be replaced on training innovative talents. The experimental teaching reform must be carried out to really realize the cultivation of innovative talents. This paper introduces the basic concepts of CDIO, and analyzes the deficiency of the traditional experimental teaching based on CDIO engineering theory. Teaching method, teaching patterns and so on is carried on the beneficial discussion and in practice. Some reform measures are put forward. Good teaching effect is obtained. The students' learning enthusiasm and innovation practice ability is greatly enhanced.
Study on China’s Engineering Education Reform
Authors: Liu Tie Liang , Wu Xiu Qin , Yi Zhian
Published: November 2012

Engineering education is the main way to train the talents for the society. But, at present, the engineering education in our country exist many questions, such as, the concept of engineering education needs to be improved, the target of engineering education is not clear, the curriculum system is behind, teachers are lack of the experience and ability of engineering practice, and so no. In this article, some proposals have been put forward to accelerate the higher engineering education reform in the aspects of the theory into engineering education, such as, take the engineering education concepts into the basic education, optimize curriculum system, improve the teachers' ability of engineering practice, strengthen the system of continuing education for engineering technology personnel, and so on.
Teaching Reform Research of Mechanical Drawing Based on the Theory of CDIO
Authors: Hu Yi Dan , Li Ai She , Jiang Fan , Wang Yi Jun
Published: November 2012

In order to improve the traditional teaching model of mechanical drawing, based on the theory of CDIO, we reformed the teaching model by using case teaching pattern and teaching based on the project. We actively carried out the teaching of the CDIO model, created a favorable environment for the cultivation of innovative talents, encouraged students' innovative spirit, and innovative ability. It would meet the needs of society for engineering talents knowledge structure and ability requirements, explore the new mechanical drawing course teaching.It was very important to cultivate the students' consciousness of engineering, awareness of quality, awareness of team and sense of responsibility. Therefore, better teaching results were obtained in our practice.
Strengthen the Training of Metalworking Practice for Promoting Excellent Ability
Authors: Yang Chao Zhen , Cui Hai Rong , Lu Hong Yong
Published: November 2012

Metalworking practice is the link between theory and practice of classroom and workshop, and it is a major practice link of mechanical engineering which plays an important role on course learning effect and on the mastery and ascension of practical application ability. Linking theory with practice is an important theory basis and significant guiding for improving teaching effect of practice, for introducing skills performance appraisal content, for improving the training level and quality, for strengthening the teaching style and discipline construction, for changing the concept of weight theory light practice, for regression of engineering nature of education, for improving the quality of engineering education and for achieving excellence training requirements. In order to change the present situation of weight theory light practice, some method has been present in theoretical teaching and the effort will be effective.
Implementing Collaborative Innovation Accelerating Multi-Cooperation for Vocational Colleges
Authors: Xiao Feng , Situ Yu , Li Deng Wan
Published: November 2012

The practical difficulty for vocational colleges’ multi-cooperation is lack of talents, lack of money and lack of experience. It is needed to reexamine the meaning of collaborative innovation in the context of China’s in-depth implementing the strategy of education and building an innovative country. This essay puts up such proposals that vocational colleges need to grasp the government’s concern, taking into account the point of interest for industries, and stimulate the excitement of research institutes from the aspect of the practical difficulty and the mechanism based on the theory of collaborative innovation in order to accelerate the multi-cooperation between colleges, industries and research institutes.
Employment Situation Investigation of Graduates Major in Mechanics
Authors: Jin Xiao Yan
Published: November 2012

Mechanics is a comprehensive undergraduate major with multidisciplinary combinations among modern design and manufacturing technology, computer science, electronics, cybernetics, informatics, and modern management.This paper makes an investigation of the job hunting status and employment status of graduates major in Mechanics, proposing countermeasures and suggestions for specialty construction, enhancement of the quality of employment services, and strengthening of employment guidance.
Learning Foremost Knowledge of Fluid Mechanics with Multiple Representations
Authors: Hsieh Yi Chern
Published: November 2012

Fluid mechanics is an essential major course in engineering department. Learning basic concepts of fluid mechanics knowledge is becoming more important today for the most part of engineering students. How to systematically design an effective learning environment with multiple representations is the purpose of this paper. The content of learning topics includes Reynolds transport theorem, Naive-Stokes equations, static pressure, and four type lines. Three different groups of students were assigned to aspects about verbal descriptions, equations, basic formulas, diagrams, and taxonomy formulas. The results from groups of students are positive. The feature regarding maximum learning outcome to the detail about each of the topics will be analyzed in the near future.
A Rapid Maneuver Method with High Accuracy for Spacecraft Based on CMG and RW
Authors: Yang Yun Gang , Wang Feng , Sun Zhao Wei
Published: November 2012

The mission of ground tracking satellite requires not only the ability of large angle rapid maneuver, but also the ability of attitude stability with high accuracy during and after maneuver. A rapid maneuver method with high accuracy for spacecraft based on CMG and RW is proposed to solve this problem. By use of initial quaternions and target quaternions, a minimum path trajectory tracking algorithm is designed along the instantaneous Euler rotation axis. This algorithm requires that during the accelerating stage and the decelerating stage, the torque command is assigned to CMG system; however, during the constant-speed stage and after maneuver, the torque is assigned to RW system. Mathematical simulation indicates that, compared with the situation of just using CMG, the new method endows the spacecraft with the ability of rapid maneuver with high accuracy.
Research and Design on the Special Tube Parts Stamping Technology and Die
Authors: Li Yan Rong , Zhang Hai Yun , Wang Ai Min
Published: November 2012

This paper introduces the concept and characteristic of narrowing-mouth process, and the main technological defects and the influence factors of narrowing-mouth deformation degree. Processing technology of double closed ball head tube parts was analyzed and narrowing-mouth process was used to manufacture. On this basis, the content and steps for mouth process calculation were introduced detailed. The number of narrowing-mouth process, deformation degree of every process, the height of the blank and the size of parts were given. Meanwhile the press machine was selected. Combined with parts trial, the narrowing-mouth die structure was designed a detailed discussion of the work principle of the die, relationship and function of main parts of die were done. Through analysis of the specimen quality, the results explain that the narrowing-mouth technical calculation and die design can satisfy the processing technology of all the given parts. It can basically meet the design requirements. Finally the influence on narrowing-mouth process of neglected deformation and further research to improve it are pointed out.
Contour Extraction of Inclusion Image with Mumford-Shah Model
Authors: Lin Guo Xiang , Zhou Wei Min , Tang Yong Hui , Li Lin Sheng
Published: November 2012

The target contour extraction is one of key questions in computer vision. Because of its intrinsic limitations, the traditional C-V method can not meet the requirements of inclusion image contour extraction. To overcome this shortcoming, this paper introduces image overlay to make some improvements on the C-V methods, which is based on simplified Mumford-Shah, and compares the different contour extraction results caused by traditional method and improved C-V method. The results vindicate the efficiency and feasibility of improved C-V method.
Exponential Asymptotic Stability of a Repairable System with Two Identical Components
Authors: Feng Xue , Zuo Ping , Hua Hong Tu , Qi Xiao Yan
Published: November 2012

The repairable system solution’s exponential asymptotic stability was discussed in this paper, First we prove that the positive contraction strongly continuous semigroup which is generated by the operator corresponding to these equations describing a system with two identical components is a quasi-compact operator. Following the result that 0 is an eigenvalue of the operator with algebraic index one and the strongly continuous semi-group is contraction, we deduce that the spectral bound of the operator is zero. By the above results we obtain easily the exponential asymptotic stability of the solution of the repairable system.
Discussion about the Efficient Management and Control of Construction Projects′ Cost
Authors: Zhang Jin Hui , Song Xiao Ying
Published: November 2012

The management and control of the construction project’ cost is throughout the course of construction projects. The owner should exercise economic supervision and control over whole process from decision-making, designing, inviting bits, constructing to completing. Based on the status, this article has carried on detailed analysis of the whole process management and control of the construction projects’ cost, and put forward improving the levels of cost management and control by the information technology.
Semantic Based Intelligent Resource Service Composition Technology
Authors: Zhao Yi Jing , Yan Yan , Wang Guo Xin , Hao Jia , Chen Si
Published: November 2012

Intelligent resource includes the knowledge, hardware and software resources even workflow and human resource, etc. From the point of view of enterprise information management, the service composition is an essential element for companies’ informatization construction. Therefore, the paper describes a web service composition framework for semantically-annotated web service. Based on the state of art ontology technology, an OWL-S process model for the CAM software is established to describe resource service. Then a service discovery process which mainly consists of services’ property matching algorithm for words is set up. A backward chaining framework for service composition is employed to dynamically compose resource services finally.
Research on the Dangerous Quality of Roasting Lighter for Electric Heater
Authors: Wang Lian Tie , Zhao Chang Zheng
Published: November 2012

This dissertation is centered about the research on the quartz-tube roasting lighter for electric heater by the simulative test methods. The experiments are carried out and accomplished in a large space laboratory. It turns out that the burning possibility are directly related to three aspects, including the power of electric heating, the distance between the lighter and electric heating, and, most importantly,the surrounding combustible condition. When the lighter is heated by electric heating and get blasted, combustible tend to be caught fire instantly if it is near to the lighter and the cause of fire, vice versa.