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Fault component protection possesses excellent performance, which widely used as fast protection in Smart Grid. However, the traditional extracting method of fault component causes obvious unbalanced outputs during power oscillation. As a result, fault component protection must be blocked during power oscillation, thus its application is restricted. In this paper, a method to improve the accuracy...
In the paper, we propose an effective long-term real-time tracking method to address the problem of robustness and tracking failure in visual tracking with UAVs. Most existing trackers only consider short-term tracking, therefore are unable to cope with partial and complete occlusion, which finally leads to object drifting or loss. Our method still follows the tracking-by-detection framework. However,...
An energy-efficient association control algorithm for wireless networks is proposed. Both the wake-sleep switch of each base station and the resource reservation overhead of its neighboring base stations are considered as factors to impact the base station on-off switch decision and the user association. The simulation results show that the overall system energy consumption can be reduced thanks to...
In collaborative editing environments, operations issued by a group of users may be duplicate and undesired. A selective undo mechanism allows collaborative users to undo any of mis-issued operations at any time and has become an indispensable facility for collaborative editing. However, supporting selective undo is a technical challenge. The traditional selective undo approach explicitly modifies...
Recently, Commutative Replicated Data Type(CRDT) algorithms have been proposed and proved by many references to outperform traditional algorithms in real-time collaborative editing. Replicated Growable Array(RGA) has the best average performance among CRDT algorithms. However, RGA only supports character-based primitive operations. This paper proposes an efficient collaborative editing approach supporting...
To get rid of the weaknesses of the traditional defect inspection of the bolts, such as low efficiency, high cost, and poor-feasibility, a novel inspection approach for bolt looseness inspection based on the image processing technology using the charge coupled device (CCD) as the image sensor and the support vector machine (SVM) was proposed. The digital image of the tested bolt was collected by a...
Conventional Wireless Power Transfer (WPT) has limitation due to the contradiction between the power transfer efficiency (PTE) and power transmission distance. A novel network called Wireless Power Transfer Network (WPTN) is proposed to help overcome the limitation, and power is efficiently transferred from a transfer node to a receive node via relay nodes over a relatively long transmission distance...
An effective voltage regulation circuit for inductive power transfer systems was proposed in this paper. The circuit takes the advantage of the secondary coil and a switch component and a capacitor was added. The relationship between output voltage and duty cycle of switches was analyzed and verified by simulation.
The Hot-line Working Robot is a kind of live working equipment developed for distribution live line work which is safe, reliable. A force feedback master-slave teleoperation system is designed, which consists of a force feedback master-hand, a slave-hand, and force-feedback control module of master-slave pattern. Design and control method of the force-feedback master-hand, slave-hand and motion control...
In order to improve the efficiency of software safety test, on the basis of studying the existing software safety test cases generation method. the dynamic test cases model is presented, then a method of software safety test based on the criticality is proposed, which can generate dynamic extensible test cases. According to the method, the total number of the test cases is sharply reduced, at the...
In inductive power transfer (IPT) system, system parameters dynamical identification is required in order to design system controller. This paper presents a simple and easily-realized method for identifying the location and resistance of load in current-fed IPT system. The method is based on the energy equilibrium equations in primary resonant tank. By further analyzing the characteristics of zero-voltage-switching...
Burst detection techniques over data streams has been attracting board and home scholars' more attention due to it's broad applications in financial, medical service, telecommunication and other critical important areas. In order to detect bursts of positive data streams, negative data streams, first, we propose a dynamic burst detection model over data stream. Based on the model, we embed a two-dimensional...
Since humic acid from water causes considerable serious health-risk factors, powerful methods for the removal of those have received increasing attention over the past decade. In this paper, the available technologies for removal of humic acid from water are briefly reviewed, and the recent advancements are summarized. Fundamentals and main applications of typical methods such as filtration, flocculation...
The dynamic performance of GAS OUTBURST is characterized by huge inertia, long time lag, nonlinear etc, adopting the support vector machines which is based on statistical theory and principle of minimizing structural risk, giving full play to its high-performance modeling ability and good fitting ability could effectively identify the gas outburst model so as to form the predictive model used for...
In this study, carbon nanofibers (CNFs) with the typical diameter ranging from 100~300 nm were prepared via polymer blended wet-spinning method and subsequent thermal treatment. The complex permittivity (epsiv'-jepsiv"), complex permeability (mu'-jmu") and microwave absorption properties of carbon nanofibers/epoxy composites have been studied in Xband frequency range (8.2-12.4 GHz) using...
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