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  1. No Access

    Article

    Construction cost integrated control based on computer simulation

    Construction cost control is a complex system engineering. The traditional controlling method cannot dynamically control in advance the construction cost because of its hysteresis. This paper proposes a comput...

    Ruan Lian-fa, **ong Ying, Wang You-sheng in Journal of Zhejiang University-SCIENCE A (2001)

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    Article

    Effect of pretreatment with aspirin and ticlopidine on the change of platelet aggregability after radiofrequency catheter ablation

    Eighty-two patients with supraventricular tachycardia undergoing radiofrequency catheter ablation (RFCA) were studied to observe the inhibition effect of aspirin and ticlopidine on platelet aggregability (PAG)...

    Wang Li-hong, Chen Jun-zhu, Zheng Lian-rong in Journal of Zhejiang University-SCIENCE A (2002)

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    Article

    A novel voltage output integrated circuit temperature sensor

    The novel integrated circuit (IC) temperature sensor presented in this paper works similarly as a two-terminal Zener, has breakdown voltage directly proportional to Kelvin temperature at 10 mV/°C, with typical...

    Wu **ao-bo, Zhao Meng-lian, Fang Zhi-gang in Journal of Zhejiang University-SCIENCE A (2002)

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    Article

    Control uncertain continuous-time chaotic dynamical system

    The new chaos control method presented in this paper is useful for taking advantage of chaos. Based on sliding mode control theory, this paper provides a switching manifold controlling strategy of chaotic syst...

    Dong-lian Qi, Guang-zhou Zhao in Journal of Zhejiang University-SCIENCE A (2003)

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    Article

    Hybrid internal model control and proportional control of chaotic dynamical systems

    A new chaos control method is proposed to take advantage of chaos or avoid it. The hybrid Internal Model Control and Proportional Control learning scheme are introduced. In order to gain the desired robust per...

    Qi Dong-lian, Yao Liang-bin in Journal of Zhejiang University-SCIENCE A (2004)

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    Article

    Intrusion detection using rough set classification

    Recently machine learning-based intrusion detection approaches have been subjected to extensive researches because they can detect both misuse and anomaly. In this paper, rough set classification (RSC), a mode...

    Lian-hua Zhang, Guan-hua Zhang, Lang Yu in Journal of Zhejiang University-SCIENCE A (2004)

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    Article

    Solution of a rigid disk on saturated soil considering consolidation and rheology

    The problem of a rigid disk acting with normal force on saturated soil was studied using Biot consolidation theory and integral equation method and the Merchant model to describe the saturated soil rheology. U...

    Gao Shao-wu, Wang Jian-hua, Zhou **ang-lian in Journal of Zhejiang University-SCIENCE A (2005)

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    Article

    Passive control of Permanent Magnet Synchronous Motor chaotic systems

    Permanent Magnet Synchronous Motor model can exhibit a variety of chaotic phenomena under some choices of system parameters and external input. Based on the property of passive system, the essential conditions...

    Qi Dong-lian, Wang Jia-jun, Zhao Guang-zhou in Journal of Zhejiang University-SCIENCE A (2005)

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    Article

    Co-design for an SoC embedded network controller

    With the development of Ethernet systems and the growing capacity of modern silicon technology, embedded communication networks are playing an increasingly important role in embedded and safety critical system...

    Lian-ying Zou, Xue-cheng Zou in Journal of Zhejiang University-SCIENCE A (2006)

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    Article

    Electrochemical study on semiconductive properties of the passive film on rebar in concrete

    The electrochemical behavior of metallic passive film on rebar in concrete is characterized by its semiconductive nature. The charge distribution at the interface between a semiconductor and an electrolyte is ...

    Yun-lian Zhang, Qi-ling Li in Journal of Zhejiang University-SCIENCE A (2006)

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    Article

    Passive control of a class of chaotic dynamical systems with nonlinear observer

    A passive control strategy with nonlinear observer is proposed, which can be used to control a class of chaotic dynamical systems to stabilize at different equilibrium points. If the nonlinear function of chao...

    Dong-lian Qi, Yun-zhong Song in Journal of Zhejiang University-SCIENCE A (2006)

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    Article

    A retrospective event detection method in news video

    In this work we present a probabilistic learning approach to model video news story for retrospective event detection (RED). In this approach, both content and time information on a news video is utilized to t...

    Jian Ling, Yi-qun Lian, Yue-ting Zhuang in Journal of Zhejiang University-SCIENCE A (2006)

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    Article

    Fuzzy pattern recognition method for assessing groundwater vulnerability to pollution in the Zhangji area

    Based on the widely used DRASTIC method, a fuzzy pattern recognition and optimization method was proposed and applied to the fissured-karstic aquifer of Zhangji area for assessing groundwater vulnerability to ...

    Yuan-yuan Mao, Xue-gang Zhang, Lian-sheng Wang in Journal of Zhejiang University-SCIENCE A (2006)

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    Article

    Passive control of Permanent Magnet Synchronous Motor chaotic system based on state observer

    Passive system theory was applied to propose a new passive control method with nonlinear observer of the Permanent Magnet Synchronous Motor chaotic system. Through constructing a Lyapunov function, the subsyst...

    Dong-lian Qi, Qiao Wang in Journal of Zhejiang University-SCIENCE A (2006)

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    Article

    Two-parameters quasi-filled function algorithm for nonlinear integer programming

    A quasi-filled function for nonlinear integer programming problem is given in this paper. This function contains two parameters which are easily to be chosen. Theoretical properties of the proposed quasi-fille...

    Wei-xiang Wang, You-lin Shang, Lian-sheng Zhang in Journal of Zhejiang University-SCIENCE A (2006)

  16. No Access

    Article

    Shape memory behavior of SMPU knitted fabric

    A preliminary investigation of shape memory (SM) effects of SMPU (shape memory polyurethane) knitting fabric is presented in this paper. Three SMPU knitted fabrics series with different content of SMPU fibers:...

    Yan Liu, Aggie Chung, **Lian Hu, **g Lv in Journal of Zhejiang University-SCIENCE A (2007)

  17. No Access

    Article

    Lovastatin production by Aspergillus terreus in solid-state fermentation

    Lovastatin production by Aspergillus terreus ATCC 20542 in solid-state fermentation (SSF) was studied. Various substrates were used to evaluate the ability of A. terreus to produce lovastatin. The results showed ...

    Pei-lian Wei, Zhi-nan Xu, Pei-lin Cen in Journal of Zhejiang University-SCIENCE A (2007)

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    Article

    Study on source rock potential and source rocks spatial distribution in the Manghan Faulted Sag, Kailu Basin

    Manghan Faulted Sag is an exploratory target area in Kailu Basin. In order to determine its exploration prospect, the effectiveness of its source rocks is evaluated by organic geochemical behavior analysis of ...

    Zhi-jun Yin, Feng Zhang, Hua-yao Zou in Journal of Zhejiang University-SCIENCE A (2007)

  19. No Access

    Article

    Multi-mode controller IC for soft-switched flyback converter with high efficiency over the entire load range

    This paper presents a multi-mode control scheme for a soft-switched flyback converter to achieve high efficiency and excellent load regulation over the entire load range. At heavy load, critical conduction mod...

    Hai Chen, Meng-lian Zhao, **ao-bo Wu in Journal of Zhejiang University-SCIENCE A (2008)

  20. No Access

    Article

    Design and FPGA verification of a novel reliable real-time data transfer system

    Considering the increasing use of information technology with established standards, such as TCP/IP and XML in modern industrial automation, we present a high cost performance solution with FPGA (field program...

    Yu-** Lian, Yan Han, Ming-xu Huo in Journal of Zhejiang University-SCIENCE A (2008)

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