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自动化研究所 [3]
长春光学精密机械与物... [2]
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期刊论文 [4]
会议论文 [3]
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Multistep Look-Ahead Policy Iteration for Optimal Control of Discrete-Time Nonlinear Systems With Isoperimetric Constraints
期刊论文
OAI收割
IEEE TRANSACTIONS ON SYSTEMS MAN CYBERNETICS-SYSTEMS, 2023, 页码: 13
作者:
Li, Tao
;
Wei, Qinglai
;
Wang, Fei-Yue
  |  
收藏
  |  
浏览/下载:15/0
  |  
提交时间:2024/02/22
Performance analysis
Optimal control
Dynamic programming
Iterative algorithms
Upper bound
Measurement
Convergence
Adaptive dynamic programming (ADP)
isoperimetric constraints
nonlinear systems
optimal control
policy iteration
Neuro-Optimal Trajectory Tracking With Value Iteration of Discrete-Time Nonlinear Dynamics
期刊论文
OAI收割
IEEE TRANSACTIONS ON NEURAL NETWORKS AND LEARNING SYSTEMS, 2021, 页码: 12
作者:
Wang, Ding
;
Ha, Mingming
;
Cheng, Long
  |  
收藏
  |  
浏览/下载:27/0
  |  
提交时间:2022/01/27
Trajectory
Heuristic algorithms
Convergence
Trajectory tracking
Stability criteria
Optimal control
Dynamic programming
Adaptive critic design
discrete-time nonlinear plants
neuro-optimal trajectory tracking
uniformly ultimately bounded stability
value iteration
Continuous-Time Time-Varying Policy Iteration
期刊论文
OAI收割
IEEE TRANSACTIONS ON CYBERNETICS, 2020, 卷号: 50, 期号: 12, 页码: 4958-4971
作者:
Wei, Qinglai
;
Liao, Zehua
;
Yang, Zhanyu
;
Li, Benkai
;
Liu, Derong
  |  
收藏
  |  
浏览/下载:41/0
  |  
提交时间:2021/03/02
Optimal control
Nonlinear systems
Time-varying systems
Mathematical model
Dynamic programming
Approximation algorithms
Iterative algorithms
Adaptive critic designs
adaptive dynamic programming (ADP)
neuro-dynamic programming
nonlinear systems
optimal control
policy iteration
A new algorithm for solving the best-fit sphere of optical aspherical surface (EI CONFERENCE)
会议论文
OAI收割
2nd International Conference on Advances in Materials and Manufacturing, ICAMMP 2011, December 16, 2011 - December 18, 2011, Guilin, China
作者:
Lin J.
;
Lu M.
收藏
  |  
浏览/下载:40/0
  |  
提交时间:2013/03/25
To solve the best-fit sphere (BFS) accurately is one of the technological keys for the generating and testing of optical aspherical surfaces. This paper presents a new algorithm for solving the BFS of aspherical surfaces to suppress some deficiencies in the existing BFS algorithms. In the proposed approach
it is not only suitable for the conic surface
a BFS is constructed
but also for higher order aspheres. The obtained asphericity and material removal function is more suitable for the machining and test. (2012) Trans Tech Publications
which passes through both sides of endpoints in the section o -?xy of the aspherical surfaces
Switzerland.
the center of the BFS is shifted along the x-axis
and its radius of curvature is automatically computed. The variable step size method is proposed to speed up the convergence of the iteration. Through numerically solving the BFS of conic and cubic surface
the advantages of the proposed approach are verified. The results show that the proposed approach is of rapid convergence
and high accuracy
A micromechanical model for deformation behavior of nanocrystalline copper
会议论文
OAI收割
2010 International Conference on Advances in Materials and Manufacturing Processes, ICAMMP 2010, Shenzhen, China, NOV 06-08, 2010
作者:
Lan JX(兰姣霞)
;
Wu YZ(吴永中)
;
Hong YS(洪友士)
;
Lan JX
收藏
  |  
浏览/下载:25/0
  |  
提交时间:2013/02/26
Algorithms
Copper
Deformation
Grain boundaries
Grain size and shape
Materials
Micromechanics
Molecular dynamics
Strain energy
Deformation behavior
Deformation mechanism
Developed model
Experimental values
Grain shapes
Grain size
Internal variable theory
Iteration algorithms
Micromechanical model
Molecular dynamics simulations
Nanocrystalline copper
Nanocrystallines
Pure copper
Statistical distribution
Stress strain relation
Uniaxial tensions
Super-resolution using adaptive blur parameter estimation (EI CONFERENCE)
会议论文
OAI收割
2010 6th International Conference on Wireless Communications, Networking and Mobile Computing, WiCOM 2010, September 23, 2010 - September 25, 2010, Chengdu, China
作者:
Wang H.
收藏
  |  
浏览/下载:16/0
  |  
提交时间:2013/03/25
Super-resolution is a term for a set of methods of increasing image or video resolution. All these methods are based on the same idea: using information from several images to create one upsized image. In most of the super-resolution algorithms
the blur parameter of a LR-image model is always manually set as a default value. In this paper
we propose a method to adaptively estimate the blur parameter. We get the initial image of iteration by fusing all low-resolution images. When it is used in MAP algorithm
three iterations are enough to get a stable solution. It is greatly reduce the computational power compared with other MAP algorithms. Experiments to real image sequences show that it well preserved the image detail and the reconstructed image is clear. 2010 IEEE.
Enlarging neighborhoods of interior-point algorithms for linear programming via least values of proximity measure functions
期刊论文
OAI收割
APPLIED NUMERICAL MATHEMATICS, 2007, 卷号: 57, 期号: 9, 页码: 1033-1049
作者:
Zhao, Y. B.
  |  
收藏
  |  
浏览/下载:25/0
  |  
提交时间:2018/07/30
linear programming
interior-point algorithms
iteration complexity
neighborhoods