Fang Yong

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Because of no centralized administration or fixed network infrastructure, there are many difficulties to carry out key management in dynamic and self-organized adhoc network. A new feasible two-layered key management scheme in layered and grouped adhoc network structure is proposed in this paper, which can reduce the calculating overheads and improve(More)
The research of electric vehicles has attracted more and more attention. High voltage (Hv) power up/down control strategy which sometimes could be complicated yet confused, is very important part of pure electrical vehicle algorithm. This study gives an Hv power up/down control strategy which divides the high voltage power up/down control into five stages.(More)
With characteristics of high efficiency, low energy consumption and zero emission, pure electric vehicle is an effective solution for the recent energy crisis and environmental issues. This paper develops a pure electric vehicle control strategy that will be used on ENRANGER G3 - a compact SUV model by Wei Chai Motor. A hardware in the loop (HIL) test(More)
In this paper, a power-oriented sink node placement strategy with one-hop topology for wireless body area networks (WBANs) is proposed. With lower power consumption as constraint condition, the optimal position of the sink node is selected. As a result, the network topologies are designed. The measurement results confirmed the proposed strategy by two(More)
In this paper, the iterative learning control (ILC) problem is considered for a class of remote control system over wireless network communication channel. The control performance of remote iterative learning control (R-ILC) system is analyzed and an effective method is proposed to estimate the stable mean square error of the R-ILC system caused by Gauss(More)
This paper presents a fault diagnosis method for power transformer. Fault diagnosis plays an importance role in the efforts for transformer diagnosis to shift form “preventive maintenance” to “condition based maintenance” (CBM), and consequently to reduce the maintenance cost. Ever since its birth, numerous techniques have been(More)
The competition of international trade has gradually evolved into the competition of technical standards, and standardization strategy plays a role for a country’s development. The causes of three classical standardization strategies are analyzed firstly in this paper, the results show that the advantage of integration of research and development(More)
In frequency-domain blind source separation of convolutive mixtures, the DFT coefficients of mixture frame are employed to estimate the mixing matrix on each frequency bin. Based on the relation between partial convolution and circular convolution, we propose a multi-inconsecutive-frames moving average method to produce new frame for DFT to substitute the(More)
With the advent of digital sensor, the requirement for new Photogrammetric software is urgent to quick object information extraction from high-resolution stereo pairs. This paper describes an effective combined approach for digital surface reconstruction and thematic information extraction automatically. Digital surface reconstruction from stereo pairs is(More)