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Percolation-based health management of complex traffic systems

Frontiers of Engineering Management 2021, Volume 8, Issue 4, Pages 557-571 doi: 10.1007/s42524-021-0174-0

Abstract: System health management, which aims to ensure the safe and efficient operation of systems by reducinguncertain risks and cascading failures during their lifetime, is proposed for complex transportationsystems and other critical infrastructures, especially under the background of the New InfrastructureThis new approach may offer innovative insights for systems science and engineering in future intelligent

Keywords： traffic health health management critical infrastructure systems science and engineering

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Science-based Engineering R & D of Complex Systems

Xu Zhilei

Strategic Study of CAE 2002, Volume 4, Issue 10, Pages 26-30

Abstract:

Nuclear weapons are complex systems with special requirements on effectiveness, safety and reliabilityTo further study mechanics and material science for environmental adaptability of the complex systemsUnfortunately, appropriate theories and models for complex system have not been formed yet so far.science development in the 21st century, applications of computer simulations will be speed up for complexsystems investigations in various disciplines.

Keywords： complex systems nuclear weapons computer simulation modeling of functional systems

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Systems Engineering in Large Complex Technical Projects

Guo Baozhu

Strategic Study of CAE 2008, Volume 10, Issue 3, Pages 25-30

Abstract:

Large complex technical programs/projects mainly involve the engineeringsystems to be developed and the organization systems in which the projects are carried out.It has been a common knowledge that systems engineering is an interdisciplinary approach to enable thesystem is an open complex giant system.The systems perspective and approach are essential to organization management.

Keywords： large complex technical projects systems engineering open complex giant system organizational creativity

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Redox reactions of iron and manganese oxides in complex systems

Jianzhi Huang, Huichun Zhang

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 5, doi: 10.1007/s11783-020-1255-8

Abstract: . • Oxidative reactions of Mn- and Fe-oxides in complex systems were reviewed. • Reductive reaction ofFe(II)/iron oxides in complex systems was examined. • Future research on examining the redox reactivityin complex systems was suggested.Due to experimental and analytical challenges associated with complex environments, there has been aTo bridge the gap between simple model systems and complex environmental systems, it is necessary to

Keywords： Iron oxides manganese oxides reduction oxidation complex systems reaction kinetics and mechanisms

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Exploring self-organization and self-adaption for smart manufacturing complex networks

Frontiers of Engineering Management 2023, Volume 10, Issue 2, Pages 206-222 doi: 10.1007/s42524-022-0225-1

Abstract: sensors in factories enable collecting real-time manufacturing status data and building cyber–physical systemsfor smart, flexible, and resilient manufacturing systems.Specifically, a general model of smart manufacturing complex networks is constructed using scale-free

Keywords： cyber–physical systems Industrial Internet of Things smart manufacturing complex networks self-organization

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Discussion on the Complex Nature of Modem Engineering Systems Development

Zhao Shaokui

Strategic Study of CAE 2005, Volume 7, Issue 2, Pages 1-8

Abstract:

The paper discussed the complex nature of development research on modern complex weaponry systems,scientific research engineering and specific complex environment engineering, and put forward generalthinking to use method of systematicism (systematics) to research and deal with problems of complex

Keywords： engineering system complex nature reductionism systematicism (systematics)

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hybrid augmented intelligence: mechanisms and applications of cognition, management, and control for complexsystems Research Article

Fei-Yue WANG, Jianbo GUO, Guangquan BU, Jun Jason ZHANG,jun.zhang.ee@whu.edu.cn

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 8, Pages 1142-1157 doi: 10.1631/FITEE.2100418

Abstract: mutually trustworthy (HM-KA) as the technical mechanism of hybrid augmented intelligence (HAI) based complexWe describe the historical development of complex system science and analyze the limitations of humantrustworthy HM-KA concept can provide a novel and canonical mechanism and benefit real-world practices of complex

Keywords： Complex systems Human-machine knowledge automation Parallel systems Bulk power grid dispatch Artificialintelligence

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Complex systems and networks with their applications Editorial

Jin-de CAO, Yang LIU, Jian-quan LU, Leszek RUTKOWSKI

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 2, Pages 195-198 doi: 10.1631/FITEE.2020000

Abstract: 复杂系统与网络能刻画现有大量系统的特征，并在过去几十年中得到国内外学者广泛关注。由于通信、计算机和信息技术飞速发展，人们能够应对传统方法无法处理的大规模数据，近年来，有关复杂系统与网络的研究已扩展至网络化控制系统、信息物理系统、逻辑网络、神经网络和其它相关领域。更重要的是，诸如无线传感网络、分散式控制和深度学习等新兴技术亟需分布式控制策略，以确保系统鲁棒性、灵活性、可扩展性、低成本或便于配置和易于维护。自上世纪末以来，有关复杂系统与网络的研究已取得巨大发展和进步，得到许多有见地的结果和富有成效的方法。复杂系统与网络已广泛应用于民用和军事领域，典型示例包括运输系统、国家电网、健康和医疗领域、航空航天和工业系统等专业领域。随着对清洁能源、低成本、高安全性、健康等的要求，复杂系统与网络的研究越来越受到学术界和工业界关注。在此背景下，中国工程院院刊《信息与电子工程前沿（英文）》（FITEE）组织了本期“复杂系统与网络及其应用”专刊，旨在促进复杂系统与网络的研究，概述理论、应用两方面最新进展。经严格评审，共遴选12篇论文，其中2篇综述，10篇研究论文。李晓迪等对基于复杂网络的脉冲控制给出全面综述。侧重于脉冲控制和脉冲摄动，涉及具有脉冲效应的复杂动态网络几个方面：同步和异步脉冲、自适应—脉冲同步、牵制脉冲同步以及具有随机和脉冲效应的复杂动态网络。同时，指出一些未来研究方向。李海涛等详细综述逻辑控制网络控制器设计的最新研究进展，具体包括可达集方法、牵制控制设计、控制李雅普诺夫函数方法和采样控制方法等。曹进德等讨论了具有脉冲特性的分数阶四元数神经网络的多重Mittag-Leffler稳定性问题。作者证实：当利普希茨条件得到保证时，可用由激活函数几何特性导出的工具证明平衡点的存在性。此外，借助李雅普诺夫稳定性理论，进一步研究了带脉冲的分数阶四元数值神经网络多个平衡点的全局Miattag-Leffler稳定性问题，通过数值实例验证了所提方法的有效性。逻辑网络作为基因调控网络建模的典型形式之一，一直是人们关注的热点，在系统生物学、电网、内燃机、博弈论、加密和机器人等领域有着广泛应用。代数状态空间方法的发展，极大促进了有关逻辑控制网络的结构和动力学研究，以及逻辑控制网络的分析与综合，甚至扩展至布尔和多值逻辑网络等。桂卫华等基于网络结构提出布尔网络的输出反馈稳定器设计方法。不同于传统牵制控制设计方法，给出的设计策略与布尔网络的状态转换矩阵无关，且可有效确定牵制控制节点并降低计算复杂度。利用信号转导网络和果蝇分割极性基因网络仿真和实验，验证该方法具有良好性能和适应性。卢剑权等讨论了基于切换的非周期采样布尔控制网络的稳定性问题。解决了网络各子系统不稳定时非周期采样数据控制下的布尔控制网络全局稳定性问题。与其它不稳定子系统的切换布尔网络的全局稳定性研究相比，其考虑的非周期采样控制问题更为困难与复杂。近年来，同步和一致性现象引起人们对网络系统中集群行为产生机制的关注。Kurths等提出一种基于双仿真的状态反馈控制的概率布尔控制网络稳定新方法，可用于降低计算复杂度。在强大矩阵运算基础上，给出一个充要条件，并考虑双仿概率布尔控制网络之间概率为1的镇定问题。李露露等研究了耦合时滞布尔网络的完全同步问题，其中状态时滞和输出时滞可能不相等，并且每个布尔网络中的状态时滞可能不同，提出完全同步的一个充要条件，并给出相应算法。潘金凤和孟敏基于级联聚集的布尔网络，考虑了最优单比特扰动，使得期望吸引子吸引域最大，而非期望吸引子吸引域最小。基于聚集方法，给出单比特扰动后所需吸引子不变的一个充分必要条件。在T细胞受体网络上的实验证实了该方法的可行性和有效性。级联分解作为布尔控制网络分解的一种基本形式，在理论上是一个有趣而实用的概念。李一峰和朱建栋利用图论方法研究布尔控制网络的两类级联分解问题，提出“嵌套完全等顶点划分”概念，并得到图解的充分必要条件。此外，通过构造坐标变换，给出相应级联分解形式，通过实验数据验证了该方法的可行性和有效性。由于涉及DNA转录和RNA翻译的耗时过程，时滞在基因调控过程中不可避免，并且在生物体发育中起关键作用。最近，时滞逻辑控制网络领域的研究者得到一些有趣结果。郑雅婷和冯俊娥基于集合稳定性理论，研究具有状态和控制约束的时滞逻辑控制网络的输出跟踪问题。基于状态转换矩阵的变形，推导出几个充要条件，并提出容许状态反馈控制器设计方案。实验证明了该方法的可行性和有效性。神经网络在医学图像边缘检测、医学事件检测、模式识别和机器人技术等领域的潜在应用价值，使得神经网络快速发展。曹阳等研究了混合时滞和脉冲效应的惯性双向联想记忆神经网络，借助微分不等式技术，给出反周期解的存在性、唯一性和全局指数稳定性判据。最后给出一个算例，验证了结果的有效性。交通信息的可获取性对汽车动力系统控制具有巨大潜力。康明新和高金武描述了一种换档控制方案，其中控制设计换档策略可在逻辑系统框架内制定。为实现这一控制方案，车辆动力学模型采用马尔可夫过程。在逻辑系统框架下，通过滚动时域最优控制求解燃料优化问题。利用动态规划工具求解最优问题。仿真结果验证了设计方案的有效性。本期专刊涵盖了当前大量有关复杂系统、逻辑网络和神经网络的研究内容及其最新进展，包括逻辑网络的稳定、跟踪和解偶、神经网络的分析和综合、基于脉冲控制的复杂网络同步问题策略，以及车辆燃油效率优化等实际工程问题。我们希望本期专刊对这些领域的研究人员有所帮助，促进复杂系统和逻辑网络、神经网络及相关领域研究的开展。本期专刊的顺利出版，得益于作者和匿名审稿人在内众多学者的支持和无私帮助。此外，我们感谢期刊编辑大力协助，感谢主编潘云鹤和卢锡城教授提供的宝贵机会。

Keywords： None

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Learning from Academician Qian Xuesen

Song Jian

Strategic Study of CAE 2001, Volume 3, Issue 12, Pages 1-7

Abstract: article devotes a lot of space to describing Qiao´s contributions to engineering cybernetics and systemsBesides,Qian summed up the conept and method of systems engineering based on his working environment

Keywords： Qian Xuesen Marxist philosophy science and technology engineering cybernetics systems science complex

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GID complex regulates the differentiation of neural stem cells by destabilizing TET2

Frontiers of Medicine 2023, Volume 17, Issue 6, Pages 1204-1218 doi: 10.1007/s11684-023-1007-9

Abstract: interacts with the core subunits of the glucose-induced degradation-deficient (GID) ubiquitin ligase complex, an evolutionarily conserved ubiquitin ligase complex and is ubiquitinated by itself.The protein levels of GID complex subunits increased reciprocally with TET2 level upon NSC differentiationThe silencing of the core subunits of the GID complex, including WDR26 and ARMC8, attenuated the ubiquitinationOur results illustrated that the GID complex negatively regulates TET2 protein stability, further modulates

Keywords： TET2 GID complex neural stem cells differentiation of neurons

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Research on Simulating Optimization of Long-distance Complex Water Conveyance Systems

Zhong Denghua,Liu Jianmin,Xiong Kaizhi

Strategic Study of CAE 2005, Volume 7, Issue 10, Pages 60-63

Abstract:

Operating optimization of long-distance water conveyance systems is always intractable for their complexityhas been achieved, which gives a new way for the research of operating optimization of long-distance complexwater conveyance systems.

Keywords： water conveyance system simulating optimization self-optimization response surface method

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Systems perspective and approach in space engineering management

Guo Baozhu

Strategic Study of CAE 2011, Volume 13, Issue 4, Pages 43-47

Abstract: justify;">Space engineering management is complexity management, and the perspective and approach of systemsThis paper discusses the application of systems perspective and approach from technical management, largecomplex technical projects and organizational management which are the three basic aspects of space

Keywords： space engineering management system engineering approach technical management large complex technical

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Unraveling the complex roles of macrophages in obese adipose tissue: an overview

Frontiers of Medicine 2024, Volume 18, Issue 2, Pages 205-236 doi: 10.1007/s11684-023-1033-7

Abstract: Unraveling the complex roles of macrophages in obese adipose tissue: an overview

Keywords： roles macrophages adipose

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Design and Research of Computer Simulation for Complex System

Jin Shiyao,Li Hongliang,Dang gang,Wang Zhaofu,Liu Xiaojian

Strategic Study of CAE 2002, Volume 4, Issue 4, Pages 52-57

Abstract:

The complex systems and complexity is the kernel scientific problem of the 21st century.Due to the complexity and indetermination of complex systems, it is difficult to study the complex systems

Keywords： complex systems computer simulation agent HLA/RTI

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Footholds optimization for legged robots walking on complex terrain

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 2, doi: 10.1007/s11465-022-0742-y

Abstract: novel continuous footholds optimization method for legged robots to expand their walking ability on complexslipping or tripping on the edge of obstacles, and to improve its stability and safety when walking on compleximplemented the algorithm on a hexapod robot, and verified its feasibility in a walking experiment on a complex

Keywords： footholds optimization legged robot complex terrain adapting hexapod robot locomotion control