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| 1 | Hybrid MDP based integrated hierarchical Q-learning显示文摘As a widely used reinforcement learning method,Q-learning is bedeviled by the curse of dimensionality:The computational complexity grows dramatically with the size of state-action space.To combat this difficulty,an integrated hierarchical Q-learning framework is proposed based on the hybrid Markov decision process (MDP) using temporal abstraction instead of the simple MDP.The learning process is naturally organized into multiple levels of learning,e.g.,quantitative (lower) level and qualitative (upper) level,which are modeled as MDP and semi-MDP (SMDP),respectively.This hierarchical control architecture constitutes a hybrid MDP as the model of hierarchical Q-learning,which bridges the two levels of learning.The proposed hierarchical Q-learning can scale up very well and speed up learning with the upper level learning process.Hence this approach is an effective integral learning and control scheme for complex problems.Several experiments are carried out using a puzzle problem in a gridworld environment and a navigation control problem for a mobile robot.The experimental results demonstrate the effectiveness and efficiency of the proposed approach. | CHEN ChunLin DONG DaoYi LI Han-Xiong TARN Tzyh-Jong | 2011 | Science China(Information Sciences)2011，54，11： | 9 |
| 2 | Grey systems for intelligent sensors and information processing显示文摘In a measurement system,new representation methods are necessary to maintain the uncertainty and to supply more powerful ability for reasoning and transformation between numerical system and symbolic system.A grey measurement system is discussed from the point of view of intelligent sensors and incomplete information processing compared with a numerical and symbolized measurement system.The methods of grey representation and information processing are proposed for data collection and reasoning.As a case study,multi-ultrasonic sensor systems are demonstrated to verify the effectiveness of the proposed methods. | Chen Chunlin Dong Daoyi Chen Zonghai Wang Haibo | 2008 | Journal of Systems Engineering and Electronics2008，19，4： | 7 |
| 3 | Reconstruction of the western Pacific warm pool SST since 1644 AD and its relation to precipitation over East China显示文摘Based on coral proxies we reconstructed the western Pacific warm pool sea surface temperature (SST) since 1644 AD. High-frequency reconstructions are based on eight high-pass filtered coral series and raw reconstructions are derived from eight unfiltered coral series, respectively. Validation and comparison with other SST/temperature series show that the reconstructed warm pool SST is highly reliable. The leading periods of warm pool SST are ~2.1, ~2.3, ~2.9, ~3.6, ~3.8, and 80.7-year during the last ~360 years. The warm pool SST exhibits some obvious long-term trends: an upward trend of 0.04℃ per century for the period of 1644―1825, while a decreasing trend of 0.24℃ per century for the period of 1826―1885, and then a remarkable warming trend of 0.28℃ per century taking place between 1886 and 2006. Especially, the SST shows the strongest trend of 0.67℃ increase per century during the last 50 years, a warming unprecedented since 1644 AD. On interannual timescale, the connections between ENSO and the warm pool SST are robust during the reconstruction period. There are significant corre- lations between the warm pool SST and summer precipitation of the Yellow River basin and Huaihe River basin; the correlation coefficients are -0.44 in reconstruction period (1880―1949 AD) and -0.46 in instrumental period (1950―2005 AD) respectively. This relationship is also found between flooddrought index and the warm pool SST during the past 360 years, and their correlation coefficients are -0.20 in reconstruction period and-0.46 in instrumental period respectively, significant at the 0.01 level. On interdecadal timescale, this connection is more robust, and the correlation coefficient of the low-pass filtered components is -0.42 during the whole period (1644―2000 AD). When the warm pool is warmer than normal, the precipitation is usually below the normal in the Yellow River and Huaihe River basin. On the contrary, when the warm pool is colder than the normal, there may be more precipitation. The reconstructed warm pool SSTs provide useful information and reference for further research on climate change mechanism in East China. | ZHANG ZiYin GONG DaoYi HE XueZhao GUO Dong FENG ShengHui | 2009 | Science China Earth Sciences2009，52，9： | 3 |
| 4 | Weekend effect in diurnal temperature range in China: Opposite signals between winter and summer显示文摘 | Gong Daoyi Dong Guo and Chang-Hoi Ho | 2006 | Journal of Geophysical Research2006，，： | 1 |
| 5 | Weekend effect in diurnal temperature range in China:Opposite signals between winter and summer显示文摘 | Guo Dong and Hoi C H | 2006 | Journal of Geophysical Research2006，，： | 1 |
| 6 | Hybrid Con- trol for Robot Navigation:A Hierarchical Q-Learning Algo- rithm显示文摘 | CHEN Chunlin LI HanXiong DONG Daoyi | 2008 | IEEE Robotics & Automation Magazine2008，15，2： | 1 |
| 7 | Fidelitybased probabilistic Q-learning for control of quantum systems显示文摘 | CHEN Chunlin DONG Daoyi LI Hanxiong | 2014 | IEEE Transactions on Neural Networks and Learning Systems2014，25，5： | 1 |
| 8 | Coherent H^(∞)Control for Linear Quantum Systems With Uncertainties in the Interaction Hamiltonian显示文摘This work conducts robust H^(∞)analysis for a class of quantum systems subject to perturbations in the interaction Hamiltonian.A necessary and sufficient condition for the robustly strict bounded real property of this type of uncertain quantum system is proposed.This paper focuses on the study of coherent robust H^(∞)controller design for quantum systems with uncertainties in the interaction Hamiltonian.The desired controller is connected with the uncertain quantum system through direct and indirect couplings.A necessary and sufficient condition is provided to build a connection between the robust H^(∞)control problem and the scaled H^(∞)control problem.A numerical procedure is provided to obtain coefficients of a coherent controller.An example is presented to illustrate the controller design method. | Chengdi Xiang Shan Ma Sen Kuang Daoyi Dong | 2021 | IEEE/CAA Journal of Automatica Sinica2021，8，2： | 0 |
| 9 | Pattern recognition of quantum information based on patterndistance显示文摘Looking upon every encoding state of quantum information systems as a quantum information pattern, A kind of patterndistance between different patterns as a measurement of comparability of quantum information patterns is defined, and two kinds of recognition algorithms based on patterndistance for quantum information are proposed. They can respectively recognize quantum information with known objective pattern and unknown objective pattern. In the two algorithms, the phases and occurrence probabilities of different eigenpatterns of quantum information are sufficiently considered. Two examples demonstrate the feasibility and effectiveness of the two recognition methods. These algorithms point out a new and important path for applications of quantum information and pattern recognition. | Dong Daoyi Chen Zonghai Jiang Shengxiang | 2005 | Journal of Systems Engineering and Electronics2005，16，4： | 0 |
| 10 | Demand response management of smart grid based on Stackelberg-evolutionary joint game显示文摘We investigated the real-time pricing demand response management system of multiple microgrids and multiple power users.Accordingly,we have proposed a Stackelberg-evolutionary joint game framework to examine the real-time pricing scheme of multiple microgrids and multiple power users so as to establish equilibrium strategies.Both a non-cooperative game among multiple microgrids and a multipopulation evolutionary game among multiple power users were considered.Furthermore,we constructed a Stackelberg game between microgrids and power users to reflect their sequential interaction,wherein the microgrids are leaders,and the power users are followers.We also proved the existence and uniqueness of the Stackelberg equilibrium.Furthermore,we proposed an iterative algorithm to compute the equilibrium strategy and demonstrate the convergence and effectiveness through numerical simulations,which demonstrated that the algorithm could achieve a balance between power supply and demand balance. | Jun LI Tao LI Daoyi DONG | 2023 | Science China(Information Sciences)2023，66，8： | 0 |
| 11 | Multi-channel quantum parameter estimation显示文摘The aim of quantum metrology is to exploit quantum effects to improve the precision of parameter estimation beyond its classical limit.In this paper,we investigate the quantum parameter estimation problem with multiple channels.It is related but not limited to the following two important and practical quantum metrology problems:(i) Quantum enhanced metrology with control,whose aim is to improve the precision of quantum sensing by utilizing feedback or open-loop control;(ii) Practical quantum metrology where the underlying evolution of quantum probes may change from a unitary dynamics to an open system dynamics,owing to the inevitable decoherence during the quantum sensing operation.For various kinds of quantum multiple channels,the corresponding quantum channel Fisher information is derived.To demonstrate the results,some illustrative examples are given. | Liying BAO Bo QI Yabo WANG Daoyi DONG Rebing WU | 2022 | Science China(Information Sciences)2022，65，10： | 0 |
| 12 | The seasonal foot printing mechanism of spring Arctic sea ice in the Bergen climate models显示文摘The influence of spring Arctic sea ice variability on the Pacific Decadal Oscillation(PDO) like sea surface temperature(SST) variability is established and investigated using an Atmosphere Ocean General Circulation Model(AOGCM) of the Bergen Climate Model version 2(BCM2). The spring Arctic sea ice variability affects the mid-latitudes and tropics through the propagation of the anomalous Eliassen-Palm(E-P) flux from the polar region to mid- and low-latitudes during boreal spring. The pathway includes anomalous upward wave activity, which propagates to the high troposphere from near the surface of the polar region, turns southward between 500 h Pa and 200 h Pa and extends downward between 50°N and 70°N, influencing the near surface atmospheric circulation. The alteration of the near surface atmospheric circulation then causes anomalous surface ocean circulation. These circulation changes consequently leads to the SST anomalies in the North Pacific which may persist until the following summer, named seasonal 'foot printing' mechanism(SFPM). | GUO Dong GAO Yongqi GONG Daoyi | 2014 | Advances in Polar Science2014，25，4： | 0 |
| 13 | Special issue on quantum control Dedicated to the occasion of Prof. lan Petersen's 60th birthday显示文摘 | Daoyi Dong Shanon Vuglar Matthew R. James | 2017 | Control Theory and Technology2017，15，3： | 0 |
| 14 | Quantum learning control using differential evolution with equally-mixed strategies显示文摘学习控制在量信息技术作为一条强大的途径被认出了。在这份报纸,我们扩大微分进化(DE ) 的应用程序为各种各样的量系统设计最佳的控制。各种各样的 DE 方法被介绍并且分析,并且在同等地混合的策略展示的 EMSDE 为量控制被采用。量的二个类控制问题,包括四水平的开的量整体和量的控制超导的系统,被调查为听说控制量系统表明 EMSDE 的性能。数字结果为各种各样的量系统验证 EMSDE 方法的有效性并且为复杂的量控制问题显示出潜力。 | Hailan MA Daoyi DONG Chuan-Cun SHU Zhangqing ZHU Chunlin CHEN | 2017 | Control Theory and Technology2017，15，3： | 0 |
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