Key Engineering Materials Vols. 480-481

Abstract: Kinetic equation of dumping geo-container is considered, ALE dynamic mesh technique of finite element is applied, and strength and failure problem in the process of geo-container hitting the bottom is discussed. The finite element model of dynamic meshing is established, and the motion state, stress and strain of the geo-membrane of the large geo-container during the process of dumping are analyzed and calculated. By comparing with the results of the flume model experiment and dynamics calculation, the results verify the FEM model of fluid-structure coupled dumping geo-container; during the dumping, the tensile stress on the geo-membrane is the largest at the first 0.24 seconds after the geo-container hitting the bottom, and the maximum is 6.936 MPa at node 397 in the geo-container; after the failure analysis of the geo-membrane, the breaking strength is 27.050 MPa, which is less than the allowable strength, and meets with the strength requirements.

Abstract: Since ancient times, nature has been the source of various principles of science and technology and major invention. The features of plant structure bionics, history of application of plant structure bionics in building sector and its applications in high intensity composite material bionics, self-cleaning effect bionics, intelligent information and bionic control, stealth materials and biomimetic materials bionics and other building materials were demonstrated in this paper. Issues for further research were also discussed to provide more inspiration and reference for further innovation.

Abstract: Secure index is the core technology in the full-ciphertext retrieval. In order to appliance the efficient full-text retrieval in the ciphertext state, a streamline dynamic successive trees of ciphertext(SDSTC)index model is proposed. The SDSTC index model which supports queries of substring and dynamic updating of index, has a high recall and precision ratio in retrieval. Giving algorithms of model index creation, retrieval and ciphertext index updating and the analysis of its security and efficiency. Compared with other existing index models, experiments show that the SDSTC index model has good time efficiency and more suitable for areas of ciphertext security of full-text retrieval

Abstract: This paper introduces the design of generally remote transmission system with high reliability and multi-transmission-channels. Using a high-speed 32-bit ARM ® Cortex ™ - M3 processor, with multiple network transmission channels, it can be applied to complexly industrial field for reliable data transmission. The system has been successfully applied in Internet of Things of fire networking, which shows that it has high data reliability and a good utility value in the transmission process of the system.

Abstract: Hypercube is one of the basic types of interconnection networks. In this paper, we use the concept of the Cartesian product graph to define the hypercube Qn, we study the relationship between the isomorphic graphs and the Cartesian product graphs, and we get the result that there exists a Hamilton cycle in the hypercube Qn. Meanwhile, the other properties of the hypercube Qn, such as Euler characteristic and bipartite characteristic are also introduced.

Abstract: Battery lifetime is a critical design parameter in the operation of mobile computing devices. Maximizing the battery lifetime is a particularly difficult problem due to the nonlinearity of the battery discharge behavior and its dependence on the discharge profile. In this paper, we address the problem how battery aware dynamic voltage scaling policy optimizes the battery capacity consumption. We propose the procedure of slack distribution optimization to reduce the battery capacity consumption by distributing the slack optimally for the schedules generated by the existing battery aware DVS policies, and analysis the properties of the procedure. The experiment results show that the proposed procedure can further safe battery capacity consumption evidently.

Abstract: Modern medical diagnose has higher demand for image archiving and communication, the medical image display technology is mainly studied under the Windows platform. According to the analysis of the DICOM 3.0 standards and file formats, the general idea of the conversion from DICOM format to BMP format is proposed. Based on the object-oriented programming idea, a format conversion class called CDicomConvert is designed by using Visual C++. The class encapsulates many data and methods for DICOM image processing, and the class CDib is also improved. The result of the software running shows that it can convert the DICOM file to BMP format, and the medical image can be displayed under Windows.

Abstract: In this paper, we propose hardware and software implementation scheme for developing a first version of virtual terminal based on CAN. We design and develop a layered device driver for CAN module hardware MCP2515. The layered driver is composed of CAN driver as a top layer driver and SPI device driver as a bottom layer driver. From the results of application program developed based on the above mentioned device driver, we can see that this hardware and software scheme will be applicable to developing the virtual terminal for agricultural machines such tractor and combine etc.

Abstract: According to the characteristics of Traditional Chinese Medicine, this paper introduces an intuitionistic fuzzy set-based method to realize the intelligent diagnostic decision making. We firstly concentrate on diagnosis of diseases and differentiation of syndromes by modeling medical diagnosis rules via intuitionistic fuzzy relations as well as how to obtain intuitionistic medical knowledge on the basis of intuitionistic fuzzy sets. Subsequently we develop a new approach to point out the final proper diagnosis by largest degree of intuitionistic cognitive fuzzy match between symptoms characteristic for a patient and symptoms indicate the considered illnesses in decision-making process. The new approach allows reaching the intelligent diagnoses reasonably and easily, which benefit TCM syndrome differentiation for the whole diagnosis.

Abstract: The repeated positioning accuracy of ink-jet printing equipments is the key influencing factor for the dimensional stability of flexible three-dimensional microstructure. To resolve the question of repeated positioning, this paper presents a matching recognition method of cross-circle’s center based on floating template, and introduces the formulas for positioning errors. Consequently, the present method can give a technical support for analysis on the dimensional stability of flexible three-dimensional microstructure.