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)={D1(X), , Dn(X)},称D(X)为一个n维混合型状态变权向量,如果对, In={1, 2, , n},,且,并满足以下条件: 1) 均衡函数在区间为单调递减,在区间为常数,在区间为单调递增,且. 2) 当xk为a,b和c时,连续; 3) 对于任何常权向量,均有 (1) 4) 变权向量满足归一性,连续性,单调性.当关于所有变量均连续时,称为惩罚-激励状态变权向量[17-18......
with structural reliability methods: application [J]. Journal of Engineering Mechanics, 2010, 136(10): 1259-1270. DOI: 10.1061/(ASCE)EM.1943-7889. 0000170. [24] WEBER P, MEDINA-OLIVA G, SIMON C, IUNG B......
, LI Nan, PORWAL A, EUN-JUNG H, LEON B, LU Yong-jun. GIS-based 3D prospectivity mapping: A case study of Jiama copper-polymetallic deposit in Tibet, China [J]. Ore Geology Reviews, 2015, 71: 611-632......
Metals, 2019, 38(11): 1051-1061. [51] CAO H L, LI X W, LI Y N, YAN H W, LI Z H, ZHANG Y A, HUANG S H, XIONG B Q. Numerical simulation of quenching and pre-stretching residual stress in 7085 aluminum......
Ⅰ 由图7(a)可见隧底出现了一定程度的竖直向上结构变形,根据实测结果及经验,当结构下部处在硬土地层中时,隧底的竖向位移很小,接近0,因此,采用传统梁弹簧荷载体系所得管片环在隧底处的变形与实际管片环在上软下硬地层中的变形不完全相等.从图7(b)可看出隧道拱顶的变形量较大,拱腰至拱底处变形量保持在较小范围内,这更符合实际工程在该类断面修筑盾构隧道时的管片变形.提取2种荷载体系下各节点处内力,其中工况......
}, respectively. In addition, and denote the linear velocity and angular velocity under the body-fixed frame {B}, respectively. In this paper, we consider a classical model of underactuated AUV subjected......
. Conflict of interest FAN Ying, GUO Yu-qian, TANG Zhao-hui, LUO Jin and ZHANG Guo-yong declare that they have no conflict of interest. References [1] ALDRICH C, MARAIS C, SHEAN B J, CILLIERS J J......
[32] NG E J, EL-SHATSHAT R A. Multi-microgrid control systems (MMCS) [C]//IEEE PES General Meeting. Providence, RI, USA: IEEE, 2010: 1-6. [33] SWAMY S M, RAJAKUMAR B R, VALARMATHI I R. Design of hybrid......
deformed by differential speed rolling [J]. Materials Letters, 2015, 160: 213-217. [28] BINTO A, VINCZE G, PICU R C, LOPES A B. Effect of symmetric and asymmetric rolling on the mechanical properties......
table rise with canal seepage and recharge [J]. Journal of Hydrology, 1994, 163(3, 4): 197-202. DOI: https://doi.org/ 10.1016/0022-1694 (94)90139-2. [16] SWAMEE P K, MISHRA G C, CHAHAR B R. Design......