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Non-local damage and fracture model of rock and concrete-like materials BI Zhong-wei(毕忠伟)1, 2, ZHANG Ming(张 明)1, JIN Feng(金 峰)1 1. State Key Laboratory of Hydroscience and Hydraulic... of the non-local phenomena appearing in the rock and concrete-like materials, the non-local damage and fracture model of rock and concrete-like materials was established through non-local method of Gaussian......
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. Key words: alumina; precipitation; dynamic process modeling; nonlinear model 晶种分解是拜耳法生产氧化铝的重要工序,其分解率和分解质量直接决定了氧化铝的产量和质量,而国内外众多的研究和实践[1-5]表明,分解温度是影响分解率和分解质量的关键工艺参数.在实际生产中,各个种分槽的分解温度可自动检测并传送到操控室,操作员根据经验调... First Normal University, Changsha 410205, China) Abstract: A dynamic model was proposed describing the energy transfer in continuous alumina trihydrate precipitation in the Bayer process. The accuracy......
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Optimal and suboptimal white noise smoothers for nonlinear stochastic systemsWANG Xiao-xu(王小旭), PAN Quan(潘泉), LIANG Yan(梁彦), CHENG Yong-mei(程咏梅)(College of Automation, Northwestern Polytechnical University, Xi’an 710072, China)Abstract:A new approach of smoothing the white noise for nonlinear stochastic system was proposed. Through presenting the Gaussian approximation about the white noise......
J. Cent. South Univ. Technol. (2008) 15(s1): 013-016 DOI: 10.1007/s11771-008-304-4 Viscoelastoplastic constitutive model for creep deformation behavior of asphalt sand YE Yong(叶 永)1, 2, YANG Xin... Engineering, Three Gorges University, Yichang 443002, China) Abstract: A uniaxial viscoelastoplastic model that can describe whole creep behaviors of asphalt sand at different temperatures was presented......
multivariable RBF-ARX model-based nonlinear model predictive control approach and application ZENG Xiaoyong1, 2, PENG Hui1, WU Jun1 (1. School of Information Science and Engineering, Central South University... the system’s global behavior, and an improved nonlinear model predictive control (NMPC) method with adaptive differential effect based on RBF-ARX model identified offline was presented. Difference from......
J. Cent. South Univ. Technol. (2011) 18: 866-873 DOI: 10.1007/s11771-011-0775-6 Elastoplastic model for discontinuous shear deformation of deep rock mass WANG Ming-yang(王明洋)1, FAN Peng-xian(范鹏贤)1... functions: the averaged distribution of the original deformation field, and the local discontinuities along the slip lines. Hence, an elasto-plastic model is established for the shear deformation......
was not analyzed. The aim of this work is to present a novel nonlinear controller for the electrode regulator system based on the approximate model approach and normalized radial basis function neural networks...) is derivable. For the nonlinear autoregressive moving average (NARMA) model Eq. (11), a Taylor expansion of the plant gives (12) where (m=a, b, c) In the actual EAF system, the output Im(k+1......