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Research and practice on system engineering management of a mobile payment project

Yongkai ZHOU, Hongfeng CHAI

《工程管理前沿（英文）》 2017年第4卷第2期页码 127-137 doi: 10.15302/J-FEM-2017011

摘要： The popularization of the mobile internet has given rise to demand for flexible and convenient payment methods. For China, it is necessary to keep pace with or even lead the trend of innovation and development in the age of mobile payment. From the perspective of systems engineering, this paper introduces research and implementation of China UnionPay’s mobile payment project. The general requirements and core engineering problems of the mobile payment project are summarized based on analyses of the characteristics and engineering difficulties of this project. Integration of innovative technologies is introduced to resolve the contradiction between ease-of-use and security. A rapid iterative development process is adopted to improve the product release efficiency as well as the users' experience. The launch of the mobile payment project also opens the window to coordinating and upgrading the whole payment industry chains.

关键词： systems engineering mobile payment engineering management method Mobile QuickPass national information security rapid iteration process financial security coordination and cooperation

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秦巴山脉区域跨域性政府协同治理体系构建研究

袁晓军,温娜,张近乐

《中国工程科学》 2020年第22卷第1期页码 50-55 doi: 10.15302/J-SSCAE-2020.01.005

摘要：

区域性问题的解决依赖于同区域内各个地方政府之间的协同合作，而秦巴山脉区域内的多头治理以及政府间缺乏政策协调的现状，已经明显制约了区域经济建设、生态保护的可持续发展。针对秦巴山脉区域内各地方政府目前协同合作中表现出的缺乏系统规划和全局思路、合作程度较浅以及合作领域较窄等问题，本文阐述了组织间合作网络理论，分析了长江流域综合治理的成功经验，据此提出了构建秦巴山脉区域三级协同治理体系的总体思路。研究建议：进一步加强秦巴山脉区域的统筹规划、在国家层面设立专门机构来落实协同治理的“协调人”角色、发挥区域性重点建设工程对协同治理的引领和实践作用、推动区域内地方政府间的人员交流和换位思考。相关研究可为秦巴山脉区域建立区域政府协同治理机制、提高政府治理水平提供参考。

关键词：秦巴山脉区域政府治理协同合作组织间合作网络

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Managing Coordination Complexity in the Remanufacturing of Aircraft Engines

Qing Yang,Lu Zheng

《工程管理前沿（英文）》 2016年第3卷第2期页码 158-164 doi: 10.15302/J-FEM-2016022

摘要： The complexity of communication and coordination stemming from teams responsible for adjusting interdependent parameters of components is a fundamental feature in the aircraft engine remanufacturing engineering project. To manage coordination complexity, the features of the remanufacturing process of aircraft engine are analyzed and a systematic method is presented to measure and optimize the dependency between coupled components. Furthermore, quantitative models are built based on Design Structure Matrix (DSM) models to measure dependency strengths related to the parameter features of the components. Also, a two-stage DSM clustering criteria is used to reduce the complexity of an organization. An industrial example is provided to illustrate the proposed models. The results showed that the proposed approach can reduce total coordination complexity.

关键词： remanufacturing engineering project aircraft engine coordination complexity organization optimization design structure matrix (DSM)

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The cooperation effect of Ni and Pt in the hydrogenation of acetic acid

《化学科学与工程前沿（英文）》 2022年第16卷第3期页码 397-407 doi: 10.1007/s11705-021-2076-4

摘要： The catalytic hydrogenation of carboxylic acid to alcohols is one of the important strategies for the conversion of biomass. Herein, a series of Ni-doped PtSn catalysts were prepared, characterized and studied in the hydrogenation of acetic acid. The Ni dopant has a strong interaction with Pt, which promotes the hydrogen adsorption, providing an activated hydrogen-rich environment for the hydrogenation. Meanwhile, the presence of Ni also improves the Pt dispersion, giving more accessible active sites for hydrogen activation. The cooperation of Pt and Ni significantly promotes the catalytic activity of the hydrogenation of acetic acid to ethanol. As a result, the catalyst with 0.1% Ni exhibits the best reaction activity, and its space time yield is twice as that of the PtSn/SiO₂ catalyst. It provides a meaningful instruction on the catalyst design for the carboxylic acid hydrogenation.

关键词： acetic acid ethanol hydrogenation Pt Ni cooperation effect

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River Chief System (RCS): An experiment on cross-sectoral coordination of watershed governance

Longfei Wang, Jiaxin Tong, Yi Li

《环境科学与工程前沿（英文）》 2019年第13卷第4期 doi: 10.1007/s11783-019-1157-9

摘要：

The trans-regional characteristics of watershed governance produce more problems beyond the capacity of each individual water-related department, leading to the fragmentation of watershed management. The River Chief System (RCS) has experienced swift developments over the past decade in China by appointing the local government heads as river chiefs. RCS works efficiently in the short-term due to its superiority in the inclusion of clear responsibility, authority, and multi-sectoral collaboration. However, the characteristics of the authority-based vertical coordination of the hierarchical system remain unchanged, and therefore the problems of organizational logic and the responsibility dilemma still exist. Tasks including perfecting of laws, integrated watershed management, and public participation still need to be completed. RCS reflects the routine and characteristics of the migration of national governance, and as such provides new insights for other developing countries in the design of river management systems.

关键词： River Chief System Watershed governance Cross-sectoral coordination Environmental protection

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Distributed coordination inmulti-agent systems: a graph Laplacian perspective

Zhi-min HAN,Zhi-yun LIN,Min-yue FU,Zhi-yong CHEN

《信息与电子工程前沿（英文）》 2015年第16卷第6期页码 429-448 doi: 10.1631/FITEE.1500118

摘要： This paper reviews some main results and progress in distributed multi-agent coordination from a graph Laplacian perspective. Distributed multi-agent coordination has been a very active subject studied extensively by the systems and control community in last decades, including distributed consensus, formation control, sensor localization, distributed optimization, etc. The aim of this paper is to provide both a comprehensive survey of existing literature in distributed multi-agent coordination and a new perspective in terms of graph Laplacian to categorize the fundamental mechanisms for distributed coordination. For different types of graph Laplacians, we summarize their inherent coordination features and specific research issues. This paper also highlights several promising research directions along with some open problems that are deemed important for future study.

关键词： Multi-agent systems Distributed coordination Graph Laplacian

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The Research of Business Process Management-based on The Changqing Oil Field Cooperation Project

Ning Hui,Xiao-wei Zhou,Qing-qing Chang

《工程管理前沿（英文）》 2015年第2卷第2期页码 182-187 doi: 10.15302/J-FEM-2015027

摘要： This paper elaborates on defects in the PetrolChina Changqing?Oilfield Cooperation Management Project in an attempt to improve future cooperative efforts. The paper focuses on the drawbacks in the existing management process and analyzes the process by using current information management methods. This effort is made in hopes of arriving at the most efficient and effective method to redesign the existing processes.

关键词： cooperation project process optimization management improvement

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New Challenges, New Opportunities and New Measures for Oil and Gas Cooperation in the Belt and Road

Yu-pu Wang,He Liu

《工程管理前沿（英文）》 2016年第3卷第4期页码 301-313 doi: 10.15302/J-FEM-2016055

摘要： First-mover advantage and solid foundation of oil and gas cooperation is very important to the Belt and Road Initiative. Deeply studied opportunities and challenges of oil and gas cooperation have far-reaching significance to the cooperation in other industries in the Belt and Road. In this article, based on the systematic analysis of the oil and gas supply security, investment environment, regional win-win situation in oil and gas cooperation, new opportunities and challenges about upstream, pipeline, refining, trade, warehousing, engineering technology and equipment are studied. Enhancing capacities in four areas and implementing the 16 measures are given for deepening oil and gas cooperation in the future. Meanwhile, this article also gives suggestions and cooperation directions for countries and companies.

关键词： the Belt and Road oil & gas cooperation new challenges new opportunities new measures

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Review of human–robot coordination control for rehabilitation based on motor function evaluation

《机械工程前沿（英文）》 2022年第17卷第2期 doi: 10.1007/s11465-022-0684-4

摘要： As a wearable and intelligent system, a lower limb exoskeleton rehabilitation robot can provide auxiliary rehabilitation training for patients with lower limb walking impairment/loss and address the existing problem of insufficient medical resources. One of the main elements of such a human–robot coupling system is a control system to ensure human–robot coordination. This review aims to summarise the development of human–robot coordination control and the associated research achievements and provide insight into the research challenges in promoting innovative design in such control systems. The patients’ functional disorders and clinical rehabilitation needs regarding lower limbs are analysed in detail, forming the basis for the human–robot coordination of lower limb rehabilitation robots. Then, human–robot coordination is discussed in terms of three aspects: modelling, perception and control. Based on the reviewed research, the demand for robotic rehabilitation, modelling for human–robot coupling systems with new structures and assessment methods with different etiologies based on multi-mode sensors are discussed in detail, suggesting development directions of human–robot coordination and providing a reference for relevant research.

关键词： human–robot coupling lower limb rehabilitation exoskeleton robot motor assessment dynamical model perception

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我国汽车与环境协同发展进程中主要矛盾与发展方向研究

吴潇萌, 吴烨, 郝吉明

《中国工程科学》 2018年第20卷第1期页码 74-83 doi: 10.15302/J-SSCAE-2018.01.011

摘要：

本文对我国目前汽车的污染物排放特征进行了研究，对各类汽车污染物排放的历史数据进行了分析、总结与建模，对未来排放趋势进行了预测，并对我国未来汽车与环境协同发展进程中的瓶颈与主要矛盾进行了总结与梳理，提出了适用于我国的汽车与环境协同发展路线与重点发展方向，给出了相应的发展建议与控制对策。

关键词：汽车强国协同发展汽车排放控制

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能源国际合作保障我国能源安全探讨

王珺,曹阳,王玉生,饶建业

《中国工程科学》 2021年第23卷第1期页码 118-123 doi: 10.15302/J-SSCAE-2021.01.019

摘要：

能源安全是关系国家经济社会发展的全局性、战略性问题，对国家繁荣发展、人民生活改善、社会长治久安至关重要。能源国际合作在保障我国能源安全方面始终发挥着重要作用，近年来随着能源安全的内涵向多维度转化，能源国际合作的定位和主要任务也面临更新和演变。本文基于国内外能源领域的最新形势，兼顾能源安全观的新内涵，对新时期我国能源国际合作的定位进行了全面阐述，着重探讨和分析近期能源国际合作中值得关注的重点方向。研究提出，新能源安全观对我国能源国际合作提出了新的更高要求，近期应重点推动建立多元化的油气进口和贸易格局，加强与周边国家的电力互联互通，深化先进能源技术方面的合作，积极参与并引领全球能源治理，为保障开放条件下的能源安全奠定坚实基础。

关键词：能源国际合作能源安全油气进口电力互联互通能源技术合作全球能源治理

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Interference coordination in full-duplex HetNet with large-scale antenna arrays Article

Zhao-yang ZHANG, Wei LYU

《信息与电子工程前沿（英文）》 2017年第18卷第6期页码 830-840 doi: 10.1631/FITEE.1700047

摘要：对于未来的第五代通信系统，干扰协调已经成为最具挑战性的问题，而大规模多输入多输出、小蜂窝和全双工技术均是在此背景下充满前景的技术。提出一个针对两层异构网络的干扰协调框架，该异构网络包含了一个装备大规模天线阵列的宏蜂窝基站和大量使用全双工技术的小蜂窝基站。因为带内全双工和带外全双工会产生不同的干扰模式，为了抑制干扰和最大化网络吞吐量，每个小蜂窝基站在无线回程链路的全双工模式都应慎重选择。为解决此模式选择问题，提出两种集中式算法，分别是遗传算法和贪心算法。此外，为了更充分降低宏蜂窝基站的计算开销，进一步提出一种基于代价的分布式图染色算法。仿真结果表明：提出的算法显著提高了系统吞吐量。

关键词：大规模多输入多输出；全双工；小蜂窝；无线回程链路；分布式算法

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工程项目多目标协同优化研究

刘晓峰,陈通,吴绍艳

《中国工程科学》 2010年第12卷第3期页码 90-94

摘要：

将微粒群算法(particle swarm optimization，PSO)引入工程项目多目标协同优化领域，研究工程项目的质量、费用、资源和工期的协同优化问题。文章首先系统介绍微粒群算法原理、流程以及算法的改进发展，然后研究了工程项目质量、费用、工期和资源的协调功效系数，并建立了质量、费用、工期和资源的多目标协同优化模型，接下来介绍了应用微粒群算法编码解决工程项目多目标优化的方法步骤。最后，通过一个应用实例，计算表明微粒群算法可以准确快速地解决工程项目多目标协同优化问题。

关键词：微粒群算法工程项目管理协同功效系数多目标协同规划模型算例

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Robust cooperation of connected vehicle systems with eigenvalue-bounded interaction topologies in the

Keqiang LI, Feng GAO, Shengbo Eben LI, Yang ZHENG, Hongbo GAO

《机械工程前沿（英文）》 2018年第13卷第3期页码 354-367 doi: 10.1007/s11465-018-0486-x

摘要：

This study presents a distributed H-infinity control method for uncertain platoons with dimensionally and structurally unknown interaction topologies provided that the associated topological eigenvalues are bounded by a predesigned range. With an inverse model to compensate for nonlinear powertrain dynamics, vehicles in a platoon are modeled by third-order uncertain systems with bounded disturbances. On the basis of the eigenvalue decomposition of topological matrices, we convert the platoon system to a norm-bounded uncertain part and a diagonally structured certain part by applying linear transformation. We then use a common Lyapunov method to design a distributed H-infinity controller. Numerically, two linear matrix inequalities corresponding to the minimum and maximum eigenvalues should be solved. The resulting controller can tolerate interaction topologies with eigenvalues located in a certain range. The proposed method can also ensure robustness performance and disturbance attenuation ability for the closed-loop platoon system. Hardware-in-the-loop tests are performed to validate the effectiveness of our method.

关键词： automated vehicles platoon distributed control robustness

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Limit span of self-anchored cable-stayed suspension cooperation system bridge based on strength

Zhe ZHANG , Huili WANG , Xiaomeng GE , Sifeng QIN ,

《结构与土木工程前沿（英文）》 2009年第3卷第3期页码 286-291 doi: 10.1007/s11709-009-0045-y

摘要： The limit span of self-anchored cable-stayed suspension bridge is deduced. The relations among the geometrical parameters, loads and material characteristics are also analyzed. Based on the material strength and commonly used materials, the limit spans of self-anchored cable-stayed suspension bridges with concrete girder or steel girder under vertical static load are discussed in detail. The corresponding upper limit spans and the effect of the factors on the span are given. The results indicate that increasing rise-span ratio, height-span ratio and cable-stayed segment length or reducing the second dead load could increase the cooperation system span.

关键词： cable-stayed suspension self-anchored limit span