Applied Mechanics and Materials Vols. 58-60

Abstract: This paper presents OntoRT, an ontology model for Role-base Trust-management(RT) framework, which covers a large fragment of RT including RT₀, RT₁, RT₂ and application domain specification documents (ADSDs). RT addresses distributed authorization problems in decentralized collaborative systems. OntoRT establishes a common vocabulary for RT roles and policies across domains. We describe OntoRT formally in Description Logic(DL) SHOIN(D) and DL-safe SWRL rules. Basing on our logical formalization it is feasible to authorize and analyze RT policies automatically via the state of arts DL reasoners. Finally, we show how OntoRT can be integrated with OWL-DL ontologies which are W3C standard for representing information on the Web. By referring to OWL-DL ontologies that provide rich domain knowledge, specification and management of RT policies are simplified.

Abstract: In this paper a DOA estimation algorithm based on ADBF technology is proposed. Hardware platform of DSP and FPGA is designed to implement the algorithm. The system is of stable performance and high reliability. The platform can be applied as general DOA estimator through changing ADBF algorithm.

Abstract: The reasonable functional modules partition is crucial to technical solution of function in product innovation design. Technical evolution factors are not considered in current product module partition method. The correlation of customer demand and product function unit, function unit flow correlation and function technology correlation are synthesized for function module partition in product innovation design. Based on function base expression, function chain and function structure is established to provide basis of function correlation analysis. Function correlation matrix is established by combining the correlation matrix of customer demand and product function unit, the function unit flow correlation matrix and function technology correlation matrix. The dynamic cluster analysis of fuzzy equivalence matrix is used to form function module. The function module partitions are evaluated by polymerization degree and coupling degree. The presented dynamic module partition method has strong distinguishing ability.

Abstract: With the coalface excavates, surrounding rock of roadway will occur deformation in different degrees. When the rock deformation exceeds a certain limit, roof fall and spalling would occur. To prevent such accidents, it is very important to monitor deformation of the surrounding rock in real-time. In this paper, Moiré measurement theory is elaborated. The displacement device (GWG200(C)), based on moiré technique, are applied in ventilation tunnel of 1015 working face in Xing Ge Zhang Mine to monitor deformation. The real time datum of deformation are obtained. The system provides technique safeguard for safety production.

Abstract: In this paper, the author put forward a method of making Cherry tonic wine, which is made from cherry and aromatic plants such as safflower, baizhi, etc. The data of fermentative technological process were obtained by using orthogonal experiments. On the basis of these data, the author of this article use the way of Artificial Neural Networks (ANN) processing the data to establish a model of technological factors in fermentation and with the help of this model, which simulates, evaluates and optimizes, we conclude that the best fermentative factors are as follows :fermentation temperature is 20±2°C, the amounts of glucose, acidity and liquid with aromatic plants are 11±1%,0.7±0.1% and 0.2%.

Abstract: By using .NET platform and open source Sharpmap technology, a short-range and nowcasting operation system was established for Qinghai. Many kinds of data were integrated in this system, which get from air sounding, satellite, T213 numerical predicting products, doppler radar, lightning position system and automatic weather stations. The system with the functions of ensemble prediction and data retrieval and display, can meet the demand of short-range and nowcasting weather forecast, enhance efficiency of forecaster and provide a support for disaster prevention and mitigation in Qinghai.

Abstract: A new algorithm of vehicle license plate automatic recognition for exit and entrance was proposed in this research. Firstly, using the gray information of vehicle license plate to locate plate roughly, and secondly using the color characteristics of the plate for accurate positioning in the rough location region, and then correcting the horizontal tilt of the plate by the method of Hough transform. After above processing, we adopt template matching method to recognize the plate characters. Experimental results indicated that the developed method can adapt to a variety of complex backgrounds and achieve the correct recognition of the vehicle license plate.

Abstract: Due to the proliferation of low cost wireless sensors, there is growing research interest in their applications, for example, in home healthcare and location tracking. However, due to sensors’ energy resource constraint, some possible applications of sensors have been restricted. In particular, in applications concerning deployment of mobile sensors in dynamic environments, high amounts of energy are consumed by sensors to maintain routing tables. Although existing methods have been proposed to query data from sensors without the use of any routing tables, these methods typically require redundant data to be sent back to the sink and not all of the aggregation functions could be executed precisely. In this paper, we modify an existing method to provide more accurate query answers and extend the lifetime of a wireless sensor network (WSN). According to our simulation, this method outperforms the existing method our approach modifies.

Abstract: This paper is about the current trend of personalized education, which established a thumbprint information model of Adaptive Learning Systems on the basis of PAPI general model of information. We did some classified analysis and calculation study based on the information collection technologies, mainly about algorithms and improvements in the ID3. The useful data and reference are supplied in the system realization for adaptive teaching model.

Abstract: By analyzing the features of ETG (Electronic Tourist Guide) system, this paper discussed the key technologies about its implementation: Map matching, attractions positioning and guide, route planning. We focus on solving map matching problem based on interpolation method and weight-based map matching algorithm, then we propose an attractions positioning and guide process; and also working on the route planning problem through an improved Ant colony algorithm.