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The traditional remote control systems usually have a high degree of coupling, poor expansibility and huge volume of host program. To solve this problem, we developed a novel architecture based on the plug-in technology, which applied the plug-in framework, dynamic link library to provide unified interface, and load the module through PELoader. Through these measures, It reduced the degree of coupling...
Running with single-phase earth fault improves reliability of power supply in neutral point non-effectively grounded system, but arc-grounding and intermittent fault caused over-voltage is most likely to damage insulating security. In view of developing line-selection techniques, the increasingly success ratio of that has met the requirement on site, a new method is proposed for adaptive earth fault...
This paper studies some issues to implement multi-agency in Mobile video grid, the load balance among the mobile agents used by one mobile synchronously; the discovery of multiple agents for one service and the requirement for network topology. After analyze in theory, a series of simulation experiments in NS-2 are carried out to verify the theoretic conclusions. The results show it can benefit by...
It is an undisputed fact that TCP fairness and stability is an important element of a well-designed medium access control (MAC) protocol for wireless ad hoc networks. There isn't a MAC protocol that can fulfil this acquirement although many mechanisms have been proposed in the past. This paper utilizes the collision detection mechanism of the IEEE 802.11 protocol ignored by all researchers to design...
As the development of the large-scale and complicated software, especially in embedded system, non-functional properties of system, such as timing, reliability, safety and security, have become more and more important on impacting and restricting the behaviors of software system. One of the emerging challenges is how to test these properties in the phase of model-based software design. This paper...
Aiming at the lack of adequate and flexible access control in 3D virtual environment when used in education, according to RBAC model, we present an authority control method which can manage manipulations to all objects, e.g. a variety of assets, avatars, scripts and network communication pipes in 3D virtual environment. The proposed technique overcomes the insufficiency on access control aspect in...
A food chain system with Bedding-type functional response is investigated. By employing Comparability Theorem and Mawhin's Continuation Theorem of Coincidence Degree Theory, a set of easily verifiable sufficient conditions are obtained to guarantee the permanence of the system and the existence of positive periodic solutions of the system. Some new results are obtained.
Real-time price drives residential customers to involve in peak load shifting. It requires home appliances intelligent controller. Firstly, according to the historical prices, the controller can provide real-time price forecasting based on neural network. Secondly, factors including predicted value of real-time price, type, running time, expecting running status and ambient temperature of home appliances...
A method to analyze the similarity between two quantum images of the same size is proposed based on a representation for the quantum images. The similarity value is estimated according to the probability distribution of the results from quantum measurements. The proposed method is fast because a single operation can transform the entire information encoded in two images simultaneously. Two simulation-based...
Characteristic of microscopy vascular data is that it contains many tiny vessels with branching and complex structure. The quantification of these vascular network is crucial in diagnose of vascular abnormalities, surgical planning, and monitoring disease progress or remission. Therefore, developing an image processing method to automatically and accurately quantify the vessel is important. We are...
Prognostics performance assessment technologies are necessary for building and qualifying a real and mature prognostics and health management (PHM) system. The further refinements in concepts and definitions for prognostics performance are made in this paper. The limitations for the application of offline prognostics performance evaluation are discussed. Two novel metrics: Relative Accuracy (RA) and...
The optical fiber spool is one of the key components of fiber-optic guidance technology. Hence, the storage life prediction of optical fiber spool is essential to the reliability estimation of the fiber-optic guidance system. The theory of the traditional optical fiber fatigue life prediction method which is recommended in the standards of FOTP-28 and IEC 793-1-3 is reviewed and concepts of scale...
With the development of cloud computing, it needs high performance, availability and scalability of storage service. In shared storage environment based on the opening storage architecture, due to the inadaptability of the cache management, cache located on access paths provides performance acceleration, but limits availability and scalability of cloud storage system. This paper studies previous cache...
In wireless sensor networks, utilizing data fusion techniques reduces overall traffic within the network. A data fusion node aggregates the results of a number of sensors into fusion data. Therefore, the security or assurance of the fusion data is essential. At the same time, increasing the security of a data fusion node increases other factors such as packet overhead and power consumption. A security...
An ultra-high speed adaptive element is used to provide simultaneous real-time imaging of multiple and selectable focal planes in a bulk specimen. This novel approach offers promising perspectives in several relevant areas including 3-D microfabrication, microfluidics and biomedical imaging.
Based on the linearly magneto-electro-elastic theory, the equations of coupling vibration are obtained for the plate with two electrodes of unequal thickness. An exact solution is obtained for thickness-extension vibrations. The solution can be reduced to a few known results as special cases. Some numerical results are figured and presented by means of Matlab. Results show the effect of magnetoelectric...
Streamline is a popular choice to visualize flow fields, but it not easy to determine the number and the distribution of streamlines. In this paper, a multiresolution streamline placement method is presented to visualize 2D flow fields at different levels of detail. Each level has different number of streamlines that are uniformly distributed in the field at different resolutions. This method is implemented...
The fully passive optical tracking systems using X-corners as markers are applied in Robotic Assisted Surgical System for reasons of their own advantages. The X-corner detection is noticeable since the traditional corner detectors pay attention to common corners not the particular X-corner. This paper present a kind of X-corner detector based on segment test which is performed on a small environment...
The purpose of the paper is to develop a novel simulation system for ship propulsion plant. The nonlinear mathematical model of main propulsion system of a large container ship is established, consisting of the large low speed two-stroke diesel engine, shaft, fixed pitch propeller and ship hull dynamics. What's more, a new full mission ship diesel main propulsion plant remote simulation system, including...
With the progress of science and technology and the development of the economic globalization, social is in an open system environment, in which government's image and executive force will be affected by internal and external factors and so on, so the crisis of public relations possible happens at any time, and the information communication of public crisis is an important link of the success of public...
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