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清华大学 [4]
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期刊论文 [24]
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浏览/检索结果:
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Affine nonlinear control for an ultra-supercritical coal fired once-through boiler-turbine unit
期刊论文
ENERGY, 2018, 卷号: 153
作者:
Zhou, Hong
;
Chen, Cheng
;
Lai, Jingang
;
Lu, Xiaoqing
;
Deng, Qijun
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2019/12/05
Ultra-supercritical once-through boiler
Affine nonlinear systems
Nonlinear optimal control
Decoupling
State feedback exact liberalization
Exactly decoupled robust passivity-based control of PMSM based on Luenberger observer
会议论文
作者:
Gong Deqiang
;
Huang Yanwei
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  |  
浏览/下载:2/0
  |  
提交时间:2019/11/21
feedforward control
Luenberger observer
PMSM
PBC
exact decoupling
An exact elasticity model for rib-stiffened plates covered by decoupling acoustic coating layers
期刊论文
COMPOSITE STRUCTURES, 2015, 卷号: 119, 期号: [db:dc_citation_issue], 页码: 559-567
作者:
Xin, F. X.
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  |  
浏览/下载:2/0
  |  
提交时间:2019/12/02
Analytical modeling
Plates
Acoustic emission
Vibration
Divergence of above- and belowground C and N pool within predominant plant species along two precipitation gradients in North China
期刊论文
BIOGEOSCIENCES, 2015, 卷号: 12, 期号: 2, 页码: 457-465
作者:
Ye, X. H.
;
Pan, X.
;
Cornwell, W. K.
;
Gao, S. Q.
;
Dong, M.
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  |  
浏览/下载:3/0
  |  
提交时间:2022/09/13
Late Pliocene–Pleistocene expansion of C4 vegetation in semiarid East Asia linked to increased burning
期刊论文
Geological Society of America, 2014, 卷号: 42, 期号: 12, 页码: 1067-1070
作者:
Sun,WD(Sun,Weidong)[3]
;
Zheng,HB(Zheng,Hongbo)[9]
;
Yi,WX(Yi,Weixi)[2]
;
Peterse,F(Peterse,Francien)[8]
;
Liu,WG(Liu,Weiguo)[7]
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  |  
浏览/下载:19/0
  |  
提交时间:2018/12/04
On the spin separation of algebraic two-component relativistic Hamiltonians: Molecular properties
期刊论文
journal of chemical physics, 2014
Li, Zhendong
;
Xiao, Yunlong
;
Liu, Wenjian
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  |  
浏览/下载:9/0
  |  
提交时间:2015/11/11
DOUGLAS-KROLL TRANSFORMATION
QUANTUM-CHEMISTRY
MAGNETIC-PROPERTIES
ORDER
OPERATORS
EXPANSION
FORMALISM
COMPONENT
EQUATION
Exact two-component relativistic theory for NMR parameters: General formulation and pilot application
期刊论文
JOURNAL OF CHEMICAL PHYSICS, 2012, 卷号: 137, 期号: 17
作者:
Sun, Qiming
;
Xiao, Yunlong
;
Liu, Wenjian
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  |  
浏览/下载:15/0
  |  
提交时间:2019/04/09
Diamagnetism
Magnetisation
Nuclear Magnetic Resonance
Paramagnetism
Perturbation Theory
Relativistic Corrections
On the spin separation of algebraic two-component relativistic Hamiltonians
期刊论文
JOURNAL OF CHEMICAL PHYSICS, 2012, 卷号: 137, 期号: 15
作者:
Li, Zhendong
;
Xiao, Yunlong
;
Liu, Wenjian
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  |  
浏览/下载:14/0
  |  
提交时间:2019/04/09
Dirac Equation
Matrix Algebra
Quantum Chemistry
Relativistic Corrections
Renormalisation
Modeling and variable structure control of a vehicle flexible manipulator (EI CONFERENCE)
会议论文
10th World Congress on Intelligent Control and Automation, WCICA 2012, July 6, 2012 - July 8, 2012, Beijing, China
Sxu Y.
;
Qiao Y.
;
Wang Z.
;
Liu K.
;
Li Y.
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  |  
浏览/下载:18/0
  |  
提交时间:2013/03/25
In this paper
the mathematical modeling and the application of a new trajectory tracking control technique for hydraulic-driven rigid-flexible manipulator are concerned. To get a closer dynamic behavior of the real system
both the flexible manipulator linkage and the actuator dynamics are considered. The exact dynamic model of flexible manipulator is derived using Lagrange principle and assumed modes method. The partial decoupled dynamic equation is derived using nonlinear decoupling feedback control method. The whole dynamic model is established by a driven Jacobin matrix
which represents the coupling between hydraulic servo system and mechanical system. A variable structure controller with inverse dynamics is designed for trajectory tracking. To weaken the chattering of control signal
saturation function is used to instead of sign function. The experimental results investigate the effectiveness of the proposed approaches. 2012 IEEE.
Exact two-component relativistic theory for NMR parameters: General formulation and pilot application
期刊论文
journal of chemical physics, 2012
Sun, Qiming
;
Xiao, Yunlong
;
Liu, Wenjian
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2015/11/12
diamagnetism
magnetisation
nuclear magnetic resonance
paramagnetism
perturbation theory
relativistic corrections
NUCLEAR MAGNETIC SHIELDINGS
DENSITY-FUNCTIONAL CALCULATIONS
NO-PAIR EQUATION
REGULAR APPROXIMATION
QUANTUM-CHEMISTRY
PROJECTION OPERATORS
PROGRAM PACKAGE
BASIS-SETS
ORDER
ENERGY
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