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;复合地基;临界桩长;沉降分析Settlement analysis of cement-soil mixed column composite foundation under embankment loadLI Yong-gang1, 2, ZHAO Chun-feng1, 2, LIAO Qian-xu3, LOU Yun3, PAN Wei-hui4(1. Key Laboratory... kinds of calculation models, i.e. the pile length is shorter than and longer than critical length of pile were put forward to evaluate settlement of cement-soil mixed column composite foundation. Based......
J. Cent. South Univ. (2016) 23: 2063-2074 DOI: 10.1007/s11771-016-3262-2 Sliding mode control of solid state transformer using a three-level hysteresis function LIU Bao-long(刘宝龙)1, ZHA Ya-bing(査亚兵)1... as an energy router in energy internet. This work presents sliding mode control (SMC) to improve dynamic state and steady state performance of a three-stage (rectifier stage, isolated stage and inverter stage......
J. Cent. South Univ. (2018) 25: 2219-2244 DOI: https://doi.org/10.1007/s11771-018-3909-2 Dynamic analysis, simulation, and control of a 6-DOF IRB-120 robot manipulator using sliding mode control... with robust performance which can cope with these are recommended. The sliding mode control (SMC) is a robust state feedback control method for nonlinear systems that, in addition having a simple design......
strong disturbance was proposed. The signal with short-time strong disturbance was decomposed into a series of intrinsic mode functions (IMFs) and a residue by the empirical mode decomposition (EMD... strong disturbance verify the practicability of the method. Key words: short-time strong disturbance; Hilbert-Huang transform; empirical mode decomposition; instantaneous amplitude; instantaneous......
mode  ...]. These occurrences normally attribute to leakage of combustible mixture gas in the mining or industrial ducts. When mixed with air, such gases react violently. If ignited by some initiation sources......
Automatic target recognition of moving target based on empirical mode decomposition and genetic algorithm support vector machineZHANG Jun(张军), OU Jian-ping(欧建平), ZHAN Rong-hui(占荣辉) (College... recognition model of moving target signals was established based on empirical mode decomposition (EMD) and support vector machine (SVM). Automatic target recognition process on the nonlinear and non......
Structure and Catalytic Behavior of CuO-ZrO-CeO2 Mixed Oxides 陈诵英1,王恩过1 (1.Institute of Catalysis, Zhejiang University, Hangzhou 310028,China) Abstract:The effect of doping CuO on the structure and properties of zirconia-ceria mixed oxide was studied. The results show that addition of CuO decreases the reduction temperature of ceria, and stabilizes the cubic structure of mixed oxides......
J. Cent. South Univ. Technol. (2008) 15: 256-263 DOI: 10.1007/s11771-008-0048-1 Compensation for secondary uncertainty in electro-hydraulic servo system by gain adaptive sliding mode variable... of secondary uncertainty. At the same time, gain adaptive sliding mode variable structure control(GASMVSC) was employed to synthesize the control effort. The results show that the unrealization......
A rationale for the development of thermally stable nanostructured CeO2-ZrO2-containing mixed oxides Colin Norman1,Heather Bradshaw1,Roberta Di Monte2,Jan Ka3 (1.MEL Chemicals, P.O. Box 6, Clifton... not depend on the composition of the mixed oxides. Key words:CeO2-ZrO2 mixed oxides; CeO2-ZrO2 solid solution; CeO2-ZrO2 mixed oxides,thermal stability of; three-way catalysts; oxygen storage capacity......
Study on Roasting Decomposition of Mixed Rare Earth Concentrate in CaO-NaCl-CaCl2 Sun Shuchen1,Bian Xue1,Wu Wenyuan1,Tu Ganfeng1 (1.School of Materials & Metallurgy, Northeastern University, Shenyang 110004, China) Abstract:The decomposed process of bastnaesite, monazite and mixed rare earth concentrate in CaO-CaCl-CaCl2 was studied by means of TG-DTA method. The relationship among......