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1. Van der Pol Oscillator Based on Memristor | |||
SUN Huajun,SHA Peng,YAN Peng,MIAO Xiangshui | |||
Electrics, Communication and Autocontrol Technology 02 December 2013 | |||
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Abstract:The memristor electrically characterized by quasi-static DC and AC sinusoidal methods. In all cases, it demonstrated excellent nonlinear-resistor behavior. So we proposed a new type of Van der Pol oscillator based on the memristor. Its mechanism and oscillate conditions have been analyzed systematically according to Hopf bifurcation theory. Furthermore, circuit experiment confirmed the Van der Pol oscillator based on memristor is feasible. | |||
TO cite this article:SUN Huajun,SHA Peng,YAN Peng, et al. Van der Pol Oscillator Based on Memristor[OL].[ 2 December 2013] http://en.paper.edu.cn/en_releasepaper/content/4571392 |
2. Research on Soft-switching Circuit of Contactless Power Transmission System in Autonomous Underwater Vehicle | |||
Wang Hongjian,Yu Le,Li Juan,Liu Xiangbo,Tang Zhaodong | |||
Electrics, Communication and Autocontrol Technology 15 September 2012 | |||
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Abstract:In order to improve autonomous underwater vehicle's activity and expand the scope of its navigation, contactless power transmission technology has been widely spread in recent years. The contactless power transmission system is loosely coupled coupler connection, making the transmission efficiency of the system is greatly reduced. In this paper, we use soft-switching circuit to improve the transmission efficiency of system. By investigating the passive lossless snubber circuit with non-minimum voltage stress, this paper designs a novel passive lossless snubber circuit based on Buck converter. The experiment results show that the designed circuit can reduce the switching losses effectively and return the energy stored in the buffering process to power supply. | |||
TO cite this article:Wang Hongjian,Yu Le,Li Juan, et al. Research on Soft-switching Circuit of Contactless Power Transmission System in Autonomous Underwater Vehicle[OL].[15 September 2012] http://en.paper.edu.cn/en_releasepaper/content/4489462 |
3. Design and Analysis of Intrinsic Safety Power of Wireless Sensor Network Node | |||
CHEN Guangzhu,Zhu Zhencai,LU qian,SHEN Chunfeng,Zhou Lijuan | |||
Electrics, Communication and Autocontrol Technology 22 January 2009 | |||
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Abstract:Wireless sensor networks may be used in the explosion environment, such as underground tunnel in coal mine. In order to assure that nodes work normally, the power of the node must be intrinsic safety. An intrinsic safety power of nodes of which consists of power supply and intrinsic safety protection is developed. The power supply mainly consists of current-mode controller chip LTC1871 which controls the output voltage, can attains a stable output voltage. The intrinsic safety protection consists of a dual-stage electric current monitor chip and a voltage regulator tube, which is combined with an over-voltage protection that was integrated in LTC1871 to make up intrinsic safety protection circuit of double over-voltage and over-current protection. The theory analysis and simulation tests on discharge process of intrinsic safety power are described. The results display that the discharge energy is the nonlinear proportion of the current, increases with the current increasing, and the maximum discharge energy is less than 0.02mJ; the discharge power is the linear proportion of current, increases with the current increasing, and the maximum discharge power is less than 60W, which is within the permissible intrinsic safety standard, therefore the power is the intrinsic safety. | |||
TO cite this article:CHEN Guangzhu,Zhu Zhencai,LU qian, et al. Design and Analysis of Intrinsic Safety Power of Wireless Sensor Network Node[OL].[22 January 2009] http://en.paper.edu.cn/en_releasepaper/content/28250 |
4. A TMS320DM6467 Davinci DSP Based Video Interface Hardware System Design | |||
Wang Jingyan,Liu Xin | |||
Electrics, Communication and Autocontrol Technology 27 June 2008 | |||
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Abstract:A TMS320DM6467 Davinci DSP based video interface hardware system was designed in this paper. Two on board standard video decoders, one high definition video decoder, one on board standard video and high definition video encoder are connected to the TMS320DM6467 processor. Dual TVP5147 decoders, one TVP7002 and an on board ADV7343 six-channel encoder are standard on the system .Also they are directly interfaced to on-chip video ports. Tests show that the system has good performance. | |||
TO cite this article:Wang Jingyan,Liu Xin. A TMS320DM6467 Davinci DSP Based Video Interface Hardware System Design[OL].[27 June 2008] http://en.paper.edu.cn/en_releasepaper/content/22528 |
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