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The Study of simulation Architecture in Meta-Synthetic Hall

Journal of Physics: Conference Series 2018年第1期1060卷

作者： X J Zhao L J Kong J Y Zhao Science and Technology on Complex Land Systems Simulation Laboratory Beijing China

The meta-synthetic methodology is the scientific and effective way to solve the problems of the complicated large system. Through the meta-synthetic Hall, we combined the expert, repository, and simulation test together, building an environment to realize the Meta-Synthesis methodology. In this article, we put forward simulation architecture for the Meta-Synthesis Hall. With the architecture, we can build the simulation system and do experiment for the Hall, supporting expert discussion and repository accumulation. We can solve the system experiment and data collection problems for complicated large system analysis, enforces system improve and perfect.

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Near-real-time monitoring of global CO2 emissions reveals the effects of the COVID-19 pandemic (vol 11, 5172, 2020)

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NATURE COMMUNICATIONS 2020年第1期11卷 5172页

作者： Liu, Zhu Ciais, Philippe Deng, Zhu Lei, Ruixue Davis, Steven J. Feng, Sha Zheng, Bo Cui, Duo Dou, Xinyu Zhu, Biqing Guo, Rui Ke, Piyu Sun, Taochun Lu, Chenxi He, Pan Wang, Yuan Yue, Xu Wang, Yilong Lei, Yadong Zhou, Hao Cai, Zhaonan Wu, Yuhui Guo, Runtao Han, Tingxuan Xue, Jinjun Boucher, Olivier Boucher, Eulalie Chevallier, Frederic Tanaka, Katsumasa Wei, Yiming Zhong, Haiwang Kang, Chongqing Zhang, Ning Chen, Bin Xi, Fengming Liu, Miaomiao Breon, Francois-Marie Lu, Yonglong Zhang, Qiang Guan, Dabo Gong, Peng Kammen, Daniel M. He, Kebin Schellnhuber, Hans Joachim Department of Earth System Science Tsinghua University Beijing China. zhuliu@***. Laboratoire des Sciences du Climat et de l'Environnement LSCE CEA CNRS UVSQ Centre d'Etudes Orme de Merisiers Gif-sur-Yvette France. Department of Earth System Science Tsinghua University Beijing China. Department of Meteorology and Atmospheric Science The Pennsylvania State University University Park PA USA. Department of Earth System Science University of California Irvine 3232 Croul Hall Irvine CA USA. Division of Geological and Planetary Sciences California Institute of Technology Pasadena CA USA. Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control Collaborative Innovation Center of Atmospheric Environment and Equipment Technology School of Environmental Science and Engineering Nanjing University of Information Science & Technology Nanjing China. Key Laboratory of Land Surface Pattern and Simulation Institute of Geographical Sciences and Natural Resources Research Chinese Academy of Sciences Beijing China. Climate Change Research Center Institute of Atmospheric Physics Chinese Academy of Sciences Beijing China. Key Laboratory of Middle Atmosphere and Global Environment Observation Institute of Atmospheric Physics Chinese Academy of Sciences Beijing China. School of Environment Tsinghua University Beijing China. School of Mathematical School Tsinghua University Beijing China. Department of Mathematical Sciences Tsinghua University Beijing China. Center of Hubei Cooperative Innovation for Emissions Trading System Wuhan China. Institut Pierre-Simon Laplace Sorbonne Université / CNRS Paris France. Université Paris Dauphine Place du Maréchal de Lattre de Tassigny 75016 Paris France. Center for Energy and Environmental Policy Research Beijing Institute of Technology Beijing China. Department of Electrical Engineering the State Key Lab of Control and Simulation of Power Systems and Generation Equipment Institute for National Governance and G

A Correction to this paper has been published: https://***/10.1038/s41467-020-20254-5

关键词： Climate sciences Atmospheric science Environmental sciences Environmental social sciences

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New self-calibration schemes for accelerometers in platform INS

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Journal of systems Engineering and Electronics 2015年第5期26卷 1032-1042页

作者： Hong Cai Anliang Li Yuan Cao College of Aerospace Science and Engineering National University of Defence Technology Science and Technology on Complex Land Systems Simulation Laboratory

To ensure success of precise navigation, it is necessary to carry out in-field calibration for the accelerometers in platform inertial navigation system(PINS) before a mission is *** continuous self-calibration methods are not fit for fast calibration of accelerometers because the platform misalignments have to be estimated precisely and the nonlinear coupling terms will affect accuracy. The multi-position methods with a "shape of motion" algorithm also have some existing disadvantages: High precision calibration results cannot be obtained when the accelerometer’s output data are used directly and it is difficult to optimize the calibration scheme. Focusing on this field, this paper proposes new fast self-calibration methods for the accelerometers of PINS. A data compression filter is employed to improve the accuracy of parameter estimation because it is impossible to obtain non-biased estimation for accelerometer parameters when using the "shape of motion" algorithm. Besides, continuous calibration schemes are designed and optimized by the genetic algorithm(GA) to improve the observability of parameters. simulations prove that the proposed methods can estimate the accelerometer parameter more precisely than traditional continuous methods and multi-position methods, and they are more practical to deal with urgent situations than multi-position methods.

关键词： self-calibration accelerometers data compression genetic algorithm

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Author Correction: Near-real-time monitoring of global CO2 emissions reveals the effects of the COVID-19 pandemic

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Nature communications 2020年第1期11卷 6292页

作者： Zhu Liu Philippe Ciais Zhu Deng Ruixue Lei Steven J Davis Sha Feng Bo Zheng Duo Cui Xinyu Dou Biqing Zhu Rui Guo Piyu Ke Taochun Sun Chenxi Lu Pan He Yuan Wang Xu Yue Yilong Wang Yadong Lei Hao Zhou Zhaonan Cai Yuhui Wu Runtao Guo Tingxuan Han Jinjun Xue Olivier Boucher Eulalie Boucher Frédéric Chevallier Katsumasa Tanaka Yiming Wei Haiwang Zhong Chongqing Kang Ning Zhang Bin Chen Fengming Xi Miaomiao Liu François-Marie Bréon Yonglong Lu Qiang Zhang Dabo Guan Peng Gong Daniel M Kammen Kebin He Hans Joachim Schellnhuber Department of Earth System Science Tsinghua University Beijing China. zhuliu@***. Laboratoire des Sciences du Climat et de l'Environnement LSCE CEA CNRS UVSQ Centre d'Etudes Orme de Merisiers Gif-sur-Yvette France. Department of Earth System Science Tsinghua University Beijing China. Department of Meteorology and Atmospheric Science The Pennsylvania State University University Park PA USA. Department of Earth System Science University of California Irvine 3232Croul Hall Irvine CA USA. Division of Geological and Planetary Sciences California Institute of Technology Pasadena CA USA. Jet Propulsion Laboratory California Institute of Technology Pasadena CA USA. Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control Collaborative Innovation Center of Atmospheric Environment and Equipment Technology School of Environmental Science and Engineering Nanjing University of Information Science and Technology Nanjing China. Key Laboratory of Land Surface Pattern and Simulation Institute of Geographical Sciences and Natural Resources Research Chinese Academy of Sciences Beijing China. Climate Change Research Center Institute of Atmospheric Physics Chinese Academy of Sciences Beijing China. Key Laboratory of Middle Atmosphere and Global Environment Observation Institute of Atmospheric Physics Chinese Academy of Sciences Beijing China. School of Environment Tsinghua University Beijing China. School of Mathematical School Tsinghua University Beijing China. Department of Mathematical Sciences Tsinghua University Beijing China. Center of Hubei Cooperative Innovation for Emissions Trading System Wuhan China. Faculty of Management and Economics Kunming University of Science and Technology 13 Kunming China. Economic Research Centre of Nagoya University Furo-cho Chikusa-ku Nagoya Japan. Institut Pierre-Simon Laplace Sorbonne Université/CNRS Paris France. Université Paris Dauphine Place du Maréchal de Lattre de Tassigny 75016 Paris France.

A Correction to this paper has been published: https://***/10.1038/s41467-020-20254-5.

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Study on the effectiveness equivalent of army weapons based on the sos simulation

Study on the effectiveness equivalent of army weapons based ...

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International Conference on Control Engineering and Information System, ICCEIS 2014

作者： Zhao, Z.Q. Zhang, X.Z. Science and Technology on Composite Land Systems Simulation Laboratory Beijing China College of Mechaeronics Engineering and Automation National University of Defense Technology Changsha Hunan China Science and Technology on Composite Land Systems Simulation Laboratory Beijing China

ISBN: (纸本)9781138026858

Under the background of the system of systems (Sos) confrontation of army weapon, owing to being enclosed in the sealed fighting subsystem, and the effectiveness matrix is degrading, so the effectiveness equivalent on the varieties of the weapon in the system of systems cannot be conducted for many years as a difficult problem in the field of assessment on the effectiveness of weapon systems. The principle of multiple effectiveness equivalent aiming at expanding the traditional effectiveness equivalent theory was presented, filling in gap existing in the original theory, and satisfactorily realized the effectiveness equivalent of varieties of main weapon systems in army’s weapon system of systems, which is an important breakthrough and innovation in the study on assessment of effectiveness of weapon systems, enjoying broad utilization prospect. © 2015 Taylor & Francis Group, London.

关键词： System of systems

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A study on formation configuration design for long rang anti-radiation loitering munitions 27

A study on formation configuration design for long rang anti...

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27th Chinese Control and Decision Conference, CCDC 2015

作者： Tang, Xue-Mei Yuan, Cao Bo, Pu Bin, Gan Science and Technology on Complex Land Systems Simulation Laboratory Beijing China

ISBN: (纸本)9781479970179

Aiming at improving the target positioning accuracy, the formation configuration of anti-radiation loitering munitions is optimized. Firstly the time difference measuring error and positioning error of the loitering munitions are analyzed and the error propagation model is developed. Then the formation configuration design model is established based on the proposed time difference localization algorithm and the formation flying boundary conditions. Finally, considering the nonlinear features of optimization function for configuration optimization design, the genetic algorithm is introduced to obtain the optimal configuration. The simulation results show that, compared with the traditional formation configurations, the optimization design of configuration can acquire higher estimation accuracy of target position. Besides, the designed configuration has strong robustness. High accuracy estimations of target position can be obtained under a wide range of target position changes. © 2015 IEEE.

关键词： formation configuration loitering munitions optimization design time difference localization

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A study on formation configuration design for long rang anti-radiation loitering munitions

A study on formation configuration design for long rang anti...

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第27届中国控制与决策会议

作者： Tang Xue-mei Cao Yuan Pu Bo Gan Bin Science and Technology on Complex Land Systems Simulation Laboratory

ISBN: (纸本)9781479970186

Aiming at improving the target positioning accuracy,the formation configuration of anti-radiation loitering munitions is *** the time difference measuring error and positioning error of the loitering munitions are analyzed and the error propagation model is *** the formation configuration design model is established based on the proposed time difference localization algorithm and the formation flying boundary ***,considering the nonlinear features of optimization function for configuration optimization design,the genetic algorithm is introduced to obtain the optimal *** simulation results show that,compared with the traditional formation configurations,the optimization design of configuration can acquire higher estimation accuracy of target ***,the designed configuration has strong *** accuracy estimations of target position can be obtained under a wide range of target position changes.

关键词： loitering munitions formation configuration time difference localization optimization design

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New self-calibration schemes for accelerometers in platform INS

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Journal of systems science & Complexity 2015年第5期28卷 1032-1042页

作者： Hong Cai Anliang Li Yuan Cao College of Aerospace Science and Engineering National University of Defence Technology Science and Technology on Complex Land Systems Simulation Laboratory

To ensure success of precise navigation, it is necessary to carry out in-field calibration for the accelerometers in platform inertial navigation system(PINS) before a mission is *** continuous self-calibration methods are not fit for fast calibration of accelerometers because the platform misalignments have to be estimated precisely and the nonlinear coupling terms will affect accuracy. The multi-position methods with a "shape of motion" algorithm also have some existing disadvantages: High precision calibration results cannot be obtained when the accelerometer's output data are used directly and it is difficult to optimize the calibration scheme. Focusing on this field, this paper proposes new fast self-calibration methods for the accelerometers of PINS. A data compression filter is employed to improve the accuracy of parameter estimation because it is impossible to obtain non-biased estimation for accelerometer parameters when using the "shape of motion" algorithm. Besides, continuous calibration schemes are designed and optimized by the genetic algorithm(GA) to improve the observability of parameters. simulations prove that the proposed methods can estimate the accelerometer parameter more precisely than traditional continuous methods and multi-position methods, and they are more practical to deal with urgent situations than multi-position methods.

关键词： self-calibration accelerometers data compression genetic algorithm

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The simulation of cluster bombs’ damage efficiency and analysis of damage factor

The simulation of cluster bombs’ damage efficiency and anal...

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International Conference on Future Communication technology and Engineering, FCTE 2014

作者： Liu, S. Zhao, X.J. Zhao, F. Wei, X. Li, W.F. Science and Technology on Complex Land Systems Simulation Laboratory Beijing China Chinese Defense Science and Technology Information Centre Beijing China

ISBN: (纸本)9781138027770

First, the paper emulated cluster bombs’random point of fall, the radius of damage of the bombs, drew the bombs’ damage range, and counted the damage effect. The final damage efficiency of cluster bombs was calculated and the influence from each damage factor of the cluster bombswas studied through many random experiences. The method solved the tough problem of the precise calculation of damage efficiency, which was caused by the overlapped damage size. © 2015 Taylor & Francis Group, London.

关键词： Efficiency

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A new multi-position calibration method for accelerometers of the inertial navigation system 27

A new multi-position calibration method for accelerometers o...

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27th Chinese Control and Decision Conference, CCDC 2015

作者： Chan, Li Yuan, Cao Zhang, Shi-Feng College of Aerospace Science and Engineering National University of Defense Technology Changsha China Science and Technology on Complex Land Systems Simulation Laboratory Beijing China

ISBN: (纸本)9781479970179

To guarantee success of precision navigation, it is necessary to carry out in-field calibration for the accelerometers of the inertial navigation system (INS) before a mission is launched. Traditional multi-position calibration method for accelerometers of the inertial measurement units (IMU) are carried out through a turntable (Strap-down INS) or the gimbals(platform INS). To achieve high precision calibration results, the position of the turntable (gimbals) need to be locked precisely. However, the high precision positions are difficult to be attained outside the laboratory. Focusing on this problem, a new calibration method is proposed which uses the gravity residual to reduce the effects caused by locking errors of the positions. simulations are conducted to analyze the performance and the sensitivity of the proposed methods. It is proved that the proposed methods can estimate the accelerometer parameter more precisely than traditional multi-position methods. © 2015 IEEE.

关键词： accelerometers gravity residual INS multi-position

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