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| 1 | Quantum Control Strategy Based on State Distance显示文摘Based on Bures distance, a Lyapunov function that represents the distance between a desired state and the actual state of a quantum system is selected. Considering the cases that an initial state is and is not orthogonal to the desired state respectively, we propose a class of control strategies with state feedback that ensures the stability of the closed-loop control system. Especially, the asymptotic stability of the control system is analyzed, deduced and proved in detail. Finally, a simulation experiment on a spin-1/2 particle system is done and the relation between the system state evolution time and control value is analyzed with diffierent parameters . Research results have general theoretical meaning for control of quantum systems. | CONG Shuang KUANG Sen | 2007 | 自动化学报2007，33，1： | 10 |
| 2 | Divergent Projection Patterns Revealed by Reconstruction of Individual Neurons in Orbitofrontal Cortex显示文摘The orbitofrontal cortex(OFC)is involved in diverse brain functions via its extensive projections to multiple target regions.There is a growing understanding of the overall outputs of the OFC at the population level,but reports of the projection patterns of individual OFC neurons across different cortical layers remain rare.Here,by combining neuronal sparse and bright labeling with a whole-brain florescence imaging system(fMOST),we obtained an uninterrupted three-dimensional whole-brain dataset and achieved the full morphological reconstruction of 25 OFC pyramidal neurons.We compared the wholebrain projection targets of these individual OFC neurons in different cortical layers as well as in the same cortical layer.We found cortical layer-dependent projections characterized by divergent patterns for information delivery.Our study not only provides a structural basis for understanding the principles of laminar organizations in the OFC,but also provides clues for future functional and behavioral studies on OFC pyramidal neurons. | Junjun Wang Pei Sun Xiaohua Lv Sen Jin Anan Li Jianxia Kuang Ning Li Yadong Gang Rui Guo Shaoqun Zeng Fuqiang Xu Yu-Hui Zhang | 2021 | Neuroscience Bulletin2021，37，4： | 5 |
| 3 | Population Control of Equilibrium States of Quantum Systems via Lyapunov Method显示文摘 | KUANG Sen CONG Shuang | 2010 | 自动化学报2010，36，9： | 5 |
| 4 | Optimal Noise Suppression of Phase Damping Quantum Systems via Weak Measurement显示文摘One qubit subjected to the effect of phase damping in a two-level quantum system with arbitrary pure initial state is studied in this paper. The aim of this paper is to find the optimal control scheme to correct the qubit back as close as possible to its initial state. The strength-dependent measurements and control correction rotation in different bases are designed to protect the arbitrary pure state of qubit. The authors design the optimal weak measurement strength to achieve the best trade-off between gaining the information of the system and the disturbance through measurement.The authors study the suppression of phase damping in two cases: There is and isn’t the y component in initial state. The authors deduce the optimal parameters and performances of the control schemes for the various initial state situations. Simulation results demonstrate the effectiveness of the proposed control schemes. | HARRAZ Sajede CONG Shuang KUANG Sen | 2019 | Journal of Systems Science & Complexity2019，32，5： | 1 |
| 5 | Single - incision thoraeoscopie surgery for primary spontaneous pneumotho- rax显示文摘 | Pin - Ru Chen Chien - Kuang Chen Yu - Sen Lin | 2011 | J Cardiothoracic Surg2011，6，： | 1 |
| 6 | Bell State Preparation Based on Switching Between Quantum System Models显示文摘For the preparation of any target Bell state under continuous quantum measurement, this paper proposes a method which achieves the control objective by switching between two different models or by switching between two control channels under one model. Proper control Hamiltonians are selected for the two system models, a switching strategy between the two models is designed, and the stability of the whole switching system is proved in theory. For a given target Bell state, the effectiveness of the proposed switching control strategy between different models is illustrated through simulation experiments. | ZHOU Juan KUANG Sen CONG Shuang | 2017 | Journal of Systems Science & Complexity2017，30，2： | 1 |
| 7 | Sensing mechanism of a porous ceramic as humidity sensor显示文摘 | Kan - Sen Chou Tzy - Kuang Lee Feng - Jian Liu | 1999 | Sensors and Actuators B1999，56，： | 1 |
| 8 | Lyapunov control methods of dosed quantum systems 显示文摘 | Kuang Sen Gong Shuang | 2008 | Automatica2008，44，1： | 1 |
| 9 | Lyapunov control methods of closed quantum systems 显示文摘 | Sen Kuang Shuang Cong | 2008 | Automatica (S0005-1098)2008，44，1： | 1 |
| 10 | Feedback stabilization of N-dimensional stochastic quantum systems based on bang-bang control显示文摘为在连续测量的影响下面的一个 N 维的量系统,这份报纸论述控制法律枪战影片类型并且分别地完成一个非退化、退化的测量操作符的任意地给定的 eigenstate 的 asymptotic 准备的一个切换的控制计划。在切换的控制策略,我们把州的空间划分成二部分:包含一个目标状态的一个集合,和它的互补集合。由在考虑下面分析随机的系统模型的稳定性,我们设计一条经常的控制法律并且给控制 Hamiltonian 满足的一些条件以便在互补集合的系统轨道收敛到包含目标状态的集合。为一个非退化的测量操作员的盒子,进一步,我们证明在包含状态将自动地集成到目标的目标的集合的系统轨道经由量说连续测量理论;当时为一个退化测量操作符的盒子,相应系统轨道将也经由控制 Hamiltonians 的构造收敛到目标状态。在盒子下面的整个靠近环的系统的集中一非退化并且一个退化测量操作员严格地被证明。建议切换的控制计划的有效性被一个有限维的尖动量系统和一个 two-qubit 系统的模拟实验验证。 | Xiaqing SUN Sen KUANG Yanan LIU Juan ZHOU Shuang CONG | 2017 | Control Theory and Technology2017，15，3： | 1 |
| 11 | Real-Time Optimal State Estimation-Based Feedback Control for Stochastic Quantum Systems in the Non-Markovian Case显示文摘This paper studies the real-time optimal state estimation-based feedback control for twolevel stochastic quantum systems in the non-Markovian case.The system model is established by combining the time-convolutionless non-Markovian master equation and the stochastic master equation.A nonlinear filter based on the state-dependent Riccati equation is designed in order to achieve the realtime optimal estimation of quantum states.A quadratic function multiplied with an exponential term is selected as the Lyapunov function,and a continuous-time control law is deduced via the stochastic Lyapunov stability theorem to realize eigenstate feedback control based on real-time optimal state estimation.Numerical simulation results illustrate that the proposed control scheme is capable of steering the two-level quantum system from an arbitrary initial state to the desired eigenstate with a fidelity higher than 99%within a time of 3 a.u. | CONG Shuang ZHANG Jiaoyang KUANG Sen HARRAZ Sajede | 2023 | Journal of Systems Science & Complexity2023，36，6： | 0 |
| 12 | 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 |
| 13 | Global stabilization control of stochastic quantum systems显示文摘The global stabilization control of arbitrary eigenstates for finite dimensional stochastic quantum systems with non-diagonal free Hamiltonian and non-regular measurement operator is studied in this paper.We propose a switching feedback control law, in which a constant control is used to steer the system state to a convergence domain, and another control law designed based on Lyapunov stability theorem, is used to attract the states in the convergence domain to the desired target state. The convergence to an arbitrary target eigenstate from any initial state is strictly proved. Moreover, numerical simulation experiments on a three-dimensional stochastic quantum system are implemented to demonstrate the effectiveness of the proposed control. | Shuang CONG Jie WEN Sen KUANG Fangfang MENG | 2016 | Science China(Information Sciences)2016，59，11： | 0 |
| 14 | Generalized control of quantum systems in the frame of vector treatment显示文摘For the state control problem in finite-dimensional quantum systems with any initial state and a goal eigenstate, this paper studies the design method of control laws via the Lyapunov technology and in the vector frame, which ensures the convergence of any initial state toward the goal state. The stability of the closed-loop system in the goal eigenstate is analyzed and proven via the invariance principle. The simulation experiment on a spin-1/2 system shows the effectiveness of the designed control laws. | Sen KUANG Shuang CONG | 2009 | 控制理论与应用(英文版)2009，7，4： | 0 |
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