Applied Mechanics and Materials Vol. 473

Abstract: In the process of images analyzing, some research areas are usually catches people’s eyes which has unique properties called objects or prospects; therefore the research on how to get these objects becomes the center of attention. Segmentation method based on gray threshold can quickly distinguish foreground from the background in the image and provide a good foundation for image detection and process. Two kinds of threshold segmentation method based on the gray level features in the image processing and its defects are mainly discussed in this paper, and the algorithm to get optimal threshold to improve the deficiency of the former methods was proposed in application.

Abstract: Space induced rice mutant research focus on the various effects which caused by space environment on rice gene. To express, describe and manage the large number of data with diverse data formats, that are generated by field experiments and a series of genomic and proteomic molecular biology experiments, database technology is used for database modeling in this paper. The implemented system with applied technology is able to organize, manage and analyze data effectively. The analysis results are used to obtain the meaningful data, guide further experiments and lay the foundation for subsequent data analysis and data mining.

Abstract: The electrical output of solar-panel is affected by the illuminated condition. It is closely related to the sunlight incidence angle and sunlit area of the solar-panel. This paper firstly points out the importance of satellite solar-panel occlusion in aerospace fields，introduces the satellite body model, the solar-panel model, and deduction models such as sunlit area, effective number of battery strings, sunshine incidence angle and so on. This paper presents an algorithm for analyzing satellite solar-panel shadow, and uses OpenCL to improve the efficiency. Finally, the results of this algorithm implemented are analyzed by mathematical simulations.

Abstract: As masterpieces in Chinese classical literature, the Four Great Chinese Classical Novels with their multilingual translations have exerted a profound influence in literature and translation studies both home and abroad. Building a Chinese-French bilingual parallel corpus of the Four Great Chinese Classical Novels is believed to facilitate large-scale investigations into the original Chinese text and their French translations in terms of stylistics, diction, culture and translation techniques. In this paper, we introduced the French translations of the four novels and illustrated the process of building the parallel corpus in detail. When the parallel corpus is completed, statistical analysis can thereby be carried out by employing different corpus tools. In order to enhance the availability and convenience of the parallel corpus, a web-based query platform is designed to provide world-wide search through the Internet for interested researchers and language learners.

Abstract: The universality of Web application prompts the rapid development of Web development technologies, which has inspired many students and engineering technicians to study and apply them. Through the research of the Web technology and combining the teaching practice, an autonomous learning platform system about Web system development course was designed and developed. The platform system has the characteristics of self-evolution, Web application dynamic embedding, and abundant learning resources. Also, the platform system provides learners with independent, open, collaborative learning space.

Abstract: As the internet penetrates into all spheres of society gradually, network information technology is affecting all areas of society in a unique way. College students are an important group of Network User. In the network environment, the individual qualities, career pathways, career scope, business conditions about students have undergone great changes. Networks are becoming an important carrier for students to broaden employment channels, change the passive situation in the job market. This paper discusses the science construction of students’ employment network system in an angle of the characteristics and advantages of college students online employment, aiming at taking full advantage of Networks to promote the graduate employment, elevating employment information network to a new height, thereby increasing the employment rate of university students

Abstract: Researchers have proposed many protocols for underwater sensor networks (UWSN) in recent years. How to test the designed protocols accurately and effectively in a lab controlled environment has become an important problem. The existing simulators and emulators for UWSN are analyzed and how to design an experimental platform from simulator to emulator in a laboratory environment is proposed. It can accurately simulate the complex environment in water just using a computer, and test the algorithms and protocols for UWSN; it can also do the test in a real environment by the combination of hardware and software. Finally, a set of evaluation indexes for physical layer, MAC layer and network layer of the experimental platform are presented.

Abstract: this paper describes a method of LIN master node design for a car body control system. The method based on LIN 2.1 protocol, and giving a specific process respectively on hardware and software. It expounds the implementation of LIN drive from data link layer and application layer, and describing how to realize the data link layer based on state machine. Then it introduces the communication management and signal accessing. Finally it uses hardware and Emulin to design a test. Through this test, the LIN master drive is verified in accordance with LIN 2.1 protocol.

Abstract: The design attempts for thefirst time to realize face locating system on the FPGA platform using themethod combined initiative infrared source with image difference. Through imagedifference process, the system obtains a difference image without backgroundinterference which takes the face as the main body. It can obtain the personface boundary by projecting the difference image in the horizontal and verticaldirection. The system processing speed amount s to the video source frequency25 frame per second, satisfying the timely request; the method of initiativeinfrared source makes the exterior have small influence on the image andguarantees the robustness of the system.

Abstract: Industrial manipulator has become an important and indispensable part of the modern industrial production, This paper studies the industrial manipulator control system based on programmable controller, This paper mainly introduces the software design of PLC control system, analyzes the various modules of the composition manipulator control system , Adopt Mitsubishi PLC design of manipulator system was put forward, the function and the control method of Mitsubishi PLC was studied; Experimental results show that the manipulator can eventually exercise according to the requirements of the control program ,and implement the monitoring system of this manipulator intuitive image observation, reached the design purpose and the requirements of this paper.