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In this paper, the conceptual design with integrating motion control and considering the cross current was applied to establish a submarine motion simulator, where the path motion stability is evaluated. The methods used to construct the simulator include the standard navigation approach by applying the LOS algorithms and PD control Euler-Rodriguez quaternion for conversion between submarines motion...
Through a mount of simulations of power system emergency control, it is confirmed that action time of emergency control affects the transient stability of power system. This paper introduces control time component in the consideration of the existing emergency control model which is based on the dynamic security region(DSR). This paper quantifies the degree of system instability parameter after shedding...
Due to the increasing demand of an extra-low-power system, a great amount of research effort has been spent in the past to develop an effective and economic subthreshold SRAM design. However, the test methods regarding those newly developed subthreshold SRAM designs have not yet been fully discussed. In this paper, we first categorize the subthreshold SRAM designs into three types, study the faulty...
Due to the increasing demands of lower-power devices, a lot of research effort has been devoted to develop new SRAM cell designs that can be effectively and economically operated at the subthreshold region. However, each new SRAM cell design has its own cell structure and design techniques, which may result in different faulty behaviors than the conventional 6T SRAMs and require specialized test methods...
Due to the increasing demand of an extra-low-power system, a great amount of research effort has been spent in the past to develop an effective and economic subthreshold-SRAM design. However, the test methods regarding those newly developed subthreshold-SRAM designs have not yet been fully discussed. In this paper, we first categorize the subthreshold-SRAM designs into three types, study the faulty...
UV-TiO2 photocatalysis have the characteristics of non-toxic and broad-spectrum sterilizing ability, its application in drinking water disinfection has taken much emphasis. This research was conducted in S waterworks which located in Nanjing and take Yangtze river as its source water. UV-TiO2 photocatalytic disinfection experiments were conducted in a self made photocatalysis reactor. Result showed...
For a V/F controlled induction motor drive system, the instability problem of sustained oscillations has often been experienced in light load state. This paper analyzes the relationship between the oscillations and the fluctuation of reactive currents and then proposes a method to improve the stability of conventional V/F control algorithm. This paper contributes to the solution of this problem based...
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