Advanced Materials Research Vols. 532-533

Abstract: Traditional access control system is relatively simple, low efficiency, small storage capacity, which can not meet the initiative, timeliness, and flexibility requirements of security technology in the Internet of Things. To solve this problem, this paper researches and designs the intelligent access control system based on Radio Frequency Identification (RFID) technology. The system consists of an access control management system and an access controller. The system can not only be used as the import and export of safety management, but also contribute to the internal order management, achieve effective control and management of access control region.

Abstract: In order to enhance the coefficient of performance of solar absorption refrigerator and analyse the system performance, it was necessary to collect the operation parameters in the system. This paper put forward to combine the technique of visual instrument and the characteristic of solar absorption refrigerator, using National Instrument’s product LabVIEW, to develop an effective data acquisition(DAQ) system. This DAQ system can realize the real-time data acquisition of temperature, water flow rate and pressure as well as data transmission, processing, and display, in addition to provide users with historic data inquire. It saved a lot of labor power and material resources so that it made measurement more convenient and fast.

Abstract: Authorization Management is one of the key components in Management Information Systems (MIS) for the security consideration. The adopting of Role-Based Access Control (RBAC) approach makes Authorization Management more efficiency and security. In this paper, we present a way to manage user’s privilege by constructing user’s function menu in the tree pattern based on RBAC in web-oriented system. The architecture of the Authorization Management System, the design of the database, the constructing of dynamic resource tree and the verification of user’s privilege are mainly introduced. The development of the system is under MyEclipse IDE and using MVC pattern.

Abstract: In order to satisfy the great demands of remote, real-time and flexible image acquisition in monitoring system, a solution to pan-tilt control system in remote image monitoring system is presented, which is based on ARM Cortex-M3 micro-controller and radio communication. And then, the hardware and software design is discussed in detail. Finally, the result shows that the pan-tilt control system provides many advantages such as remote and flexible control, high precision and low cost. So it has a huge market with big potential and wide prospect.

Abstract: More attention has been paid to the long-distance video monitoring systems with the development of the Internet of things recently, especially much more increasing concern took place in application of agriculture monitoring systems. An agricultural ecology remote video monitoring system was designed and established using the environment of Microsoft Visual C++6.0 based on Windows XP operating system in this paper. Three key skills including the VFW video capture technology, H.264 video coding/encoding and multi-threading technology are utilized. The transmitting video; audio and text file in the remote video monitoring system are totally realized through VC++ software. The information can be gained; restored and queried through the Internet of things and the ecology garden may also be remote controlled at the same time.

Abstract: Context-aware applications can sense and explore the context of production processes to provide proper and useful services to managers in workshop. The monitoring levels are partitioned and designed in this article. And the multi-level ontology model of materials is found which is expressed in the Web Ontology Language (i.e. OWL) as a ontology collection of describing places ages and events and associated properties among them. Within an intelligent monitoring system, dynamic adjusting algorithm of linking local coordination with global coordination for lacking parts is brought forward and dynamic coordination structure is put up based on event-driven architecture. Context-aware reactive behaviors can be expressed by using rules written in OWL Language, especially developed for context-aware applications.

Abstract: The remote wireless surveillance system based on 3G consist of the front-end image capture module, data transmission module, and the back-end monitoring part. The basis elements of the system and the principle is discussed .The system of software and the hardware is introduced. The system is high-compressed, of high quality ,easily wiring, and of high efficiency. The best use of the system is to surveillance the complicated enviroment of a large scale project.

Abstract: Aimed at WiMAX-OFDM system, an optimized algorithm for AMC was proposed from the angle of channel estimation. Simulation experiments were carried on in SUI channels which were typically slow fading, and influences of the traditional AMC technology and optimized AMC algorithm on performance of system were analyzed. Results show that the optimized AMC algorithm not only improves accuracy of channel estimation, but also reduces errors between the predicted signal-to-noise ratio and the actual SNR, which makes selected modulation and coding scheme more reasonable. Finally, the WiMAX system can obtain performance optimization.

Abstract: Considering the actual requirement of voyage training simulation system, engineering method and component technology have been adopted on coach console system. The system functions, structures are introduced. The key technologies including map operation based on ArcGIS, communication between message driven coach control and visual simulation system, eagle eye technology have been discussed in this paper. Experiment indicates that the system which is practicable and can meet the requirements of real time, and shows a great value in popularization.

Abstract: Based on the introduction of workflow management software, this paper analyzed the feasibility for simulating Equipment Command Office (ECO) operations with workflow product-LiveFlow. It demonstrated the simulation process and simulation object model (SOM) of ECO explicitly. Consequently, the ECO federate was designed using LiveFlow within HLA infrastructure. The “Human-in-Loop” simulation was realized by invoking the business process object (BPO) library of LiveFlow. This research is significant to the deployment, training and working-efficiency evaluation of ECO staffs. It’s also the foundation of business process reengineering (BPR) of ECO.