机构

• 力学研究所 [1]
• 长春光学精密机械与物... [1]
• 自动化研究所 [1]
• 武汉岩土力学研究所 [1]

采集方式

• OAI收割 [4]

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浏览/检索结果: 共4条，第1-4条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Time Integration Schemes Based on Neutral Networks for solving Partial Differential Equations on Coarse Grids 期刊论文  OAI收割 COMMUNICATIONS IN COMPUTATIONAL PHYSICS, 2024, 卷号: 36, 期号: 5, 页码: 1262-1306 作者:  Yan XX(阎信辛);  Zhou ZD(周志登);  Cheng, Xiaohan;  Yang XL(杨晓雷)   |  收藏  |  浏览/下载：1/0  |  提交时间：2025/05/19 Time integration scheme  partial differnrtial equation  numerical simulation on coarse grids  neural networks  mathematical constraints   Explicit Discontinuous Deformation Analysis Method with Lumped Mass Matrix for Highly Discrete Block System 期刊论文  OAI收割 INTERNATIONAL JOURNAL OF GEOMECHANICS, 2018, 卷号: 18, 期号: 9, 页码: - 作者:  Yang, Yongtao;  Xu, Dongdong;  Zheng, Hong   |  收藏  |  浏览/下载：35/0  |  提交时间：2020/04/08 Discontinuous deformation analysis (DDA) method  Explicit discontinuous deformation analysis (EDDA) method  Lumped mass matrix  Implicit time integration scheme  Explicit time integration scheme  Numerical manifold method (NMM)   Adaptive dynamic programming for robust neural control of unknown continuous-time non-linear systems 期刊论文  OAI收割 IET CONTROL THEORY AND APPLICATIONS, 2017, 卷号: 11, 期号: 14, 页码: 2307-2316 作者:  Yang, Xiong;  He, Haibo;  Liu, Derong;  Zhu, Yuanheng   |  收藏  |  浏览/下载：38/0  |  提交时间：2017/09/13 Dynamic Programming  Robust Control  Neurocontrollers  Continuous Time Systems  Control System Synthesis  Nonlinear Control Systems  Optimal Control  Function Approximation  Monte Carlo Methods  Closed Loop Systems  Asymptotic Stability  Adaptive Dynamic Programming  Robust Neural Control Design  Unknown Continuous-time Nonlinear Systems  Ct Nonlinear Systems  Adp-based Robust Neural Control Scheme  Robust Nonlinear Control Problem  Nonlinear Optimal Control Problem  Nominal System  Adp Algorithm  Actor-critic Dual Networks  Control Policy Approximation  Value Function Approximation  Actor Neural Network Weights  Critic Nn Weights  Monte Carlo Integration Method  Closed-loop System  Asymptotically Stability   Design of high speed and parallel compression system used in the big area CCD of high frame frequency (EI CONFERENCE) 会议论文  OAI收割 2011 International Conference on Precision Engineering and Non-Traditional Machining, PENTM 2011, December 9, 2011 - December 11, 2011, Xi'an, China 作者:  Li G.-N.;  Jin L.-X.;  Zhang R.-F.;  Wang W.-H.;  Li G.-N. 收藏  |  浏览/下载：53/0  |  提交时间：2013/03/25 According to the area CCD camera of characteristics  such as high resolution capacity and high frame frequency  this paper puts forward a high speed and parallel image compression system of high integration degree. Firstly  according to the work principle of the area CCD  FPGA is adopted to realize the timing driving and multichannel and parallel analog signal handling to raise the export frame frequency of the area CCD. Secondly  with an image compression scheme based on FPGA embedded processor MicroBlaze and ADV212 compression chip  real time image compression and the high speed area CCD are realized. Finally  by detecting the analog signal of the area CCD output  the real time compression of the big area CCD image is carried out in different compression ratios and the compression performance is analyzed. Experiment result shows that this scheme can realize real time image compression with the biggest data rate of 520Mbps. When compression bit ratio is 0.15  the signal-to-noise ratio of peak value can reach 36 dB. Image collection and image compression are integrated  which reduces the data transmission between them and improves systematic integration degree.