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$H_{\infty }$ Sampled-Data Fuzzy Observer Design for Nonlinear Parabolic PDE Systems

IEEE Transactions on Fuzzy Systems 2021年第5期29卷 1262-1272页

作者： Zi-Peng Wang Huai-Ning Wu Mohammed Chadli School of Electrical Engineering University of Jinan Jinan China Science and Technology on Aircraft Control Laboratory School of Automation Science and Electrical Engineering Beihang University Beijing China Laboratoire IBISC Université Evry Université Paris-Saclay Evry France

This article considers the H ∞ sampled-data fuzzy observer (SDFO) design problem for nonlinear parabolic partial differential equation (PDE) systems under spatially local averaged measurements (SLAMs). Initially, the nonlinear PDE system is accurately represented by the Takagi-Sugeno (T-S) fuzzy PDE model. Then, based on the T-S fuzzy PDE model, an SDFO under SLAMs is constructed for the state estimation. To attenuate the effect of the exogenous disturbance and the design disturbance, an H ∞ SDFO design under SLAMs is developed in terms of linear matrix inequalities by utilizing Lyapunov functional and inequality techniques, which can guarantee the exponential stability and satisfy an H ∞ performance for the estimation error fuzzy PDE system. Finally, simulation results on the state estimation of the FitzHugh-Nagumo equation are given to support the presented H ∞ SDFO design method.

关键词： Observers Design methodology Sensors Linear matrix inequalities Mathematical model Estimation error

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Unconventional dual-vacancies in nickel diselenide-graphene nanocomposite for high-efficiency oxygen evolution catalysis

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Nano Research 2020年第12期13卷 3292-3298页

作者： Pengkun Wei Zewei Hao Yang Yang Mingyang Liu Haijun Zhang Min-Rui Gao Shu-Hong Yu Tianjin Key Laboratory of Environmental Remediation and Pollution Control College of Environmental Science and EngineeringNankai UniversityTianjin300350China Department of Civil and Environmental Engineering Rice UniversityHoustonTexas77005USA Center for Aircraft Fire and Emergency Economics and Management CollegeCivil Aviation University of ChinaTianjin300300China Division of Nanomaterials&Chemistry Hefei National Laboratory for Physical Sciences at the MicroscaleCAS Center for Excellence in NanoscienceHefei Science Center of CASCollaborative Innovation Center of Suzhou Nano Science and TechnologyDepartment of ChemistryUniversity of Science and Technology of ChinaHefei230026China

Although nickel-based catalysts display good catalytic capability and excellent corrosion resistance under alkaline electrolytes for water splitting,it is still imperative to enhance their activity for real device ***,we decorated Ni0.85Se hollow nanospheres onto reduced graphene oxide(RGO)through a hydrothermal route,then annealed this composite at different temperatures(400℃,NiSe2-400 and 450℃,NiSe2-450)under argon atmosphere,yielding a kind of NiSe2/RGO composite *** annihilation spectra revealed two types of vacancies formed in this composite *** found that the NiSe2-400 catalyst with dual Ni-Se vacancies is able to catalyze the oxygen evolution reaction(OER)efficiently,needing a mere 241 mV overpotential at 10 mA·cm−*** addition,this catalyst exhibits outstanding *** studies show favorable energy barrier on NiSe2-400,enabling moderate OH−adsorption and O2 desorption,which leads to the enhanced energetics for OER.

关键词： hollow nanospheres NiSe2 oxygen evolution reaction dual-vacancies

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Penetration Trajectory Optimization of Hypersonic Gliding Vehicles with Multiple Constraints

Penetration Trajectory Optimization of Hypersonic Gliding Ve...

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第40届中国控制会议

作者： Zhipeng Shen Jianglong Yu Xiwang Dong Qingdong Li Zhang Ren School of Automation Science and Electrical Engineering Science and Technology on Aircraft Control Laboratory Beihang University Key Laboratory of Dependable Service Computing in Cyber Physical Society (Chongqing University) Ministry of Education of China Chongqing University

The penetration trajectory optimization problem of hypersonic gliding vehicles（HGV） with multiple constraints is investigated. Firstly, the attack-defense confrontation models are established, where the HGV is required to achieve effective penetration under interception missile using Proportional Navigation Guidance（PNG） method. Then the original penetration trajectory optimization problem under multiple constraints is converted into a second-order cone programming（SOCP） problem through linearization, discretization and convexification manipulation. The online sequential convex optimization algorithm is used to solve the SOCP problem. Finally, numerical simulations are given to demonstrate the effectiveness of the method and penetration effect.

关键词： Penetration Hypersonic gliding vehicles Trajectory optimization Convex optimization Multiple constraints

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Cooperative guidance strategy with a leader-follower structure

Cooperative guidance strategy with a leader-follower structu...

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第40届中国控制会议

作者： Zhexin Shi Jianglong Yu Jiahong Wei Xiwang Dong Qingdong Li Zhang Ren School of Automation Science and Electrical Engineering Science and Technology on Aircraft Control Laboratory Beihang University Key Laboratory of Dependable Service Computing in Cyber Physical Society (Chongqing University) Ministry of Education of ChinaChongqing University

The cooperative guidance design and analysis issues for multiple robots system are investigated. First, a cooperative guidance structure is constructed by leader layer robots and follower layer robots. Then, for the leader robot layer, the cooperative detection guidance law is designed to achieve the coordination of the detection field of view（FOV）, while providing the reference trajectories. Third, for the follower robot layer, the time-varying line of sight（LOS） angle formation tracking guidance law is proposed based on the leader robots’ LOS angle trajectories convex combination. In addition, the design process is given ***, a cooperative guidance platform consisting of two leaders, three followers, and a target is constructed. The theoretical results are verified by numerical simulation examples, and experimental results are presented on the platform.

关键词： Paper Instruction Chinese control Conference

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Finite-time adaptive cooperative guidance for multiple missiles

Finite-time adaptive cooperative guidance for multiple missi...

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第40届中国控制会议

作者： Pengfei Shi Jianglong Yu Ziyan Chen Xiwang Dong Zhang Ren School of Automation Science and Electrical Engineering Science and Technology on Aircraft Control Laboratory Beihang University Key Laboratory of Dependable Service Computing in Cyber Physical Society (Chongqing University) Ministry of Education of ChinaChongqing University

This paper studies the finite-time convergent cooperative guidance problem for multiple missiles to achieve the coordination of the flight time. The control variable is relaxed equivalently and an additional term utilizing the local state information is added such that the finite-time convergence being guaranteed. Furthermore, the time-varying coupling gains are introduced in the guidance law and an algorithm to depict the design process is proposed so that the cooperative guidance law for each follower missile is fully distributed. In addition, finite-time convergence of the guidance error is proved based on Lyapunov theory. Finally, a numerical example is displayed to validate the effectiveness of the proposed theoretical results.

关键词： Cooperative guidance finite-time convergence adaptive control

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Cooperative interception against highly maneuvering target with acceleration constraints for multiple heterogeneous missiles

Cooperative interception against highly maneuvering target w...

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第40届中国控制会议

作者： Wenlu Bai Ziyan Chen Jianglong Yu Xiwang Dong Hong Jiang School of Automation Science and Electrical Engineering Science and Technology on Aircraft Control Laboratory Beihang University Key Laboratory of Dependable Service Computing in Cyber Physical Society (Chongqing University) Ministry of Education of ChinaChongqing University

The cooperative interception problem of multiple heterogeneous missiles with low maneuverability against highly maneuvering target is studied in this paper. Firstly, the reachable area of the missiles and the escape area of the target are analyzed. The form of the guidance law based on the coverage-based cooperative interception strategy and the standard ballistic design method is given. Secondly, the algorithm for realizing the coverage distribution of multiple heterogeneous missiles is proposed. The parameter design of the cooperative guidance law and the conditions that the initial position of the missiles and target need to meet are derived. Thirdly, the number of heterogeneous missiles required to complete the coverage is calculated by numerical solution. The initial position and the guidance law parameters of each missile are given. Finally, it is verified by simulation examples that multiple heterogeneous missiles with low maneuverability can achieve cooperative interception against highly maneuvering target through the reasonable configuration of the initial interception position and the reasonable design of the cooperative interception guidance law.

关键词： Heterogeneous missiles cooperative interception highly maneuvering target acceleration constraints

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Sampled-Data Observer Design With Exponential Time-Varying Gains for Semilinear Parabolic PDE Systems

Sampled-Data Observer Design With Exponential Time-Varying G...

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2021 China Automation Congress, CAC 2021

作者： Wang, Zi-Peng Wu, Huai-Ning Li, Han-Xiong Huang, Tingwen Shen, Tao The School of Electrical Engineering University of Jinan Jinan250022 China The Science and Technology on Aircraft Control Laboratory School of Automation Science and Electrical Engineering Beihang University Beijing100191 China The Department of Systems Engineering and Engineering Management City University of Hong Kong Hong Kong The Science Program Texas A&M University at Qatar Doha Qatar The HIT Robot Group Co. Ltd China

ISBN: (纸本)9781665426473

For semilinear parabolic PDE systems, the sampled-data observer (SDO) design under spatially point measurements (SPMs) with exponential time-varying gains is concerned. On basis of a Lyapunov functional, a SDO with exponential time-varying gains under SPMs via linear matrix inequalities is presented to guarantee the exponential stability of estimation error PDE system. Lastly, two numerical examples are provided to support the proposed SDO design approach. © 2021 IEEE

关键词： Linear matrix inequalities

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Weapon target assignment strategy for multi-missile cooperative guidance with auction algorithm

Weapon target assignment strategy for multi-missile cooperat...

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第40届中国控制会议

作者： Qingze Li Xiwang Dong Qingdong Li Jianglong Yu Zhang Ren School of Automation Science and Electrical Engineering Science and Technology on Aircraft Control Laboratory Beihang University Key Laboratory of Dependable Service Computing in Cyber Physical Society (Chongqing University) Ministry of Education of ChinaChongqing University

This paper presents a weapon target assignment method to reduce maneuverability overload through redistribution for multi-missile cooperative attack. Firstly, a dynamic constrained model of multi-missile cooperative attack on multi-target is established. Secondly, in order to evaluate the missile’s cooperative attack performance better, a cooperative attack probability matrix considering the cooperative attack efficiency is constructed by taking the time-to-go and the line-of-sight rate as *** kinds of maneuvering overload results are compared to verify the effectiveness of redistribution, including unassigned process, primary target assignment and redistribution at the beginning of mid-to-terminal guidance handover. Then, an auction algorithm is used to solve the target assignment problem under multiple constraints. Finally, the simulation results show that the proposed algorithm is much less time-consuming than the existing intelligent optimization algorithms and meets the real-time requirement.

关键词： Weapon target assignment Multi-missile cooperative attack Redistribution Auction algorithm

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Multi-Objective Optimization of Integrated Lithium-Ion Battery Thermal Management System

SSRN

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SSRN 2022年

作者： Shi, Hong Liu, Meinan Li, Yonghao Wang, Shuheng Qiu, Chenghui Cheng, Mengmeng Yuan, Jie Yang, Kaijie Kang, Chuanzhi College of Energy & Power Engineering Jiangsu University of Science and Technology 2 Mengxi Jingkou Zhenjiang212003 China Key Laboratory of Aircraft Environment Control and Life Support MIIT Nanjing University of Aeronautics & Astronautics 29 Yudao Street Nanjing210016 China

The heat generation rate of lithium-ion battery increases dramatically with the increase in the charge/discharge rate of the battery. Battery thermal management system (BTMS) based on phase change materials (PCM) are demonstrating great performance in the field of high heat flux heat dissipation. However, traditional hybrid PCM modules focus too much on their thermal performance and ignore the weight issue, which greatly reduces their wide application. In this paper, a BTMS integrated air-cooling channels, fins and PCM is proposed to improve the thermal performance of the battery. Based on the entropy weight-TOPSIS method, the balance of battery cells temperature uniformity and lightweight of lithium batteries is studied and the parameters of the optimal BTMS are obtained. The results demonstrate that the thermal performance of the battery is enhanced as the increase of PCM volume, but the weight of the system also increases significantly. When the height of the fins increases, the reasonable utilization of PCM increases and the PCM melts more evenly. Entropy weight-TOPSIS can help us to find the optimal solution between thermal performance and lightweight design. After the TOPSIS algorithm search, the optimal structural solution corresponding to the PCM thickness ( d ) = 7.5 mm and the fin height ( h ) = 65 mm has the smallest Euclidean distance Si+ from the positive ideal solution, and the largest Euclidean distance Si- from the negative ideal solution, thus it obtains a higher Ci and the highest priority. The corresponding maximum temperature ( Tmax), temperature difference (∆T) and weight (W) are 319.29 K, 0.0135 K and 5.13 kg respectively. © 2022, The Authors. All rights reserved.

关键词： Multiobjective optimization

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Product Group technology Under Multiple Process Paths Based on Genetic Algorithm

Product Group Technology Under Multiple Process Paths Based ...

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IEEE International Conference on Industrial Engineering and Engineering Management

作者： Xuerong Luo Bo Li Minmin Liu Tao Hong School of Aeronautics and Astronautics University of Electronic Science and Technology of China Chengdu China Aircraft Swarm Intelligent Sensing and Cooperative Control Key Laboratory of Sichuan Province University of Electronic Science and Technology of China Chengdu China

ISBN: (纸本)9781665437721

Frequent setup activity during production affects the production efficiency which is caused by multi-variety and small-batch production mode, Group technology can effectively shorten the setup time. Different process paths are formulated for each workpiece to increase scheduling flexibility by considering the dynamic information of the workshop. In this paper, a method based on Genetic Algorithm (GA) is proposed for workpiece grouping under multiple process paths. Firstly, the representation method of the product process path is determined, and then a mathematical model is established with the workpiece similarity as the objective function. Moreover, the improved Genetic Algorithm is used to find the optimal process path scheme of the workpiece. The multi-part segmented coding method, the crossing, and the mutation operation of the process path are designed. Finally, the workpiece grouping scheme is solved by constructing the process-workpiece correlation matrix to obtain the workpiece similarity matrix and the similarity fuzzy equivalence matrix. Various process paths of 8 kinds of electronic products are used to prove that the proposed method is effective.

关键词： Group technology Job shop scheduling Conferences Industrial engineering Dynamic scheduling Linear programming Encoding

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