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Solving unit commitment problem using a novel version of harmony search algorithm

Roozbeh MORSALI,Tohid JAFARI,Amirhossein GHODS,Mohammad KARIMI

《能源前沿（英文）》 2014年第8卷第3期页码 297-304 doi: 10.1007/s11708-014-0309-7

摘要： In this context, a novel structure was proposed for improving harmony search (HS) algorithm to solve the unit comment (UC) problem. The HS algorithm obtained optimal solution for defined objective function by improvising, updating and checking operators. In the proposed improved self-adaptive HS (SGHS) algorithm, two important control parameters were adjusted to reach better solution from the simple HS algorithm. The objective function of this study consisted of operation, start-up and shut-down costs. To confirm the effectiveness, the SGHS algorithm was tested on systems with 10, 20, 40 and 60 generating units, and the obtained results were compared with those of the simple HS algorithm and other related works.

关键词： generation scheduling harmony search (HS) algorithm intelligent technique unit commitment

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Optimal operation of microgrid using hybrid differential evolution and harmony search algorithm

S. SURENDER REDDY,Jae Young PARK,Chan Mook JUNG

《能源前沿（英文）》 2016年第10卷第3期页码 355-362 doi: 10.1007/s11708-016-0414-x

摘要： This paper proposes the generation scheduling approach for a microgrid comprised of conventional generators, wind energy generators, solar photovoltaic (PV) systems, battery storage, and electric vehicles. The electrical vehicles (EVs) play two different roles: as load demands during charging, and as storage units to supply energy to remaining load demands in the MG when they are plugged into the microgrid (MG). Wind and solar PV powers are intermittent in nature; hence by including the battery storage and EVs, the MG becomes more stable. Here, the total cost objective is minimized considering the cost of conventional generators, wind generators, solar PV systems and EVs. The proposed optimal scheduling problem is solved using the hybrid differential evolution and harmony search (hybrid DE-HS) algorithm including the wind energy generators and solar PV system along with the battery storage and EVs. Moreover, it requires the least investment.

关键词： battery storage electric vehicles (EVs) microgrid (MG) optimal scheduling solar photovoltaic (PV) system wind energy conversion system

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Estimation of optimum design of structural systems via machine learning

《结构与土木工程前沿（英文）》 2021年第15卷第6期页码 1441-1452 doi: 10.1007/s11709-021-0774-0

摘要： Three different structural engineering designs were investigated to determine optimum design variables, and then to estimate design parameters and the main objective function of designs directly, speedily, and effectively. Two different optimization operations were carried out: One used the harmony search (HS) algorithm, combining different ranges of both HS parameters and iteration with population numbers. The other used an estimation application that was done via artificial neural networks (ANN) to find out the estimated values of parameters. To explore the estimation success of ANN models, different test cases were proposed for the three structural designs. Outcomes of the study suggest that ANN estimation for structures is an effective, successful, and speedy tool to forecast and determine the real optimum results for any design model.

关键词： optimization metaheuristic algorithms harmony search structural designs machine learning artificial neural networks

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一种改进的和声搜索算法及其在权重模糊产生式规则获取中的应用 Research Article

叶绍强1,周恺卿1,Azlan Mohd ZAIN2,王方岭1,Yusliza YUSOFF2

《信息与电子工程前沿（英文）》 2023年第24卷第11期页码 1574-1590 doi: 10.1631/FITEE.2200334

摘要：和声搜索算法(harmony search, HS)是一种随机元启发式算法，其灵感来自于音乐家的即兴创作过程。针对HS在求解中易陷入局部极值等不足，本文提出一种混合布谷鸟算子的改进的和声布谷鸟搜索算法(modified HS with a hybrid cuckoo search (CS) operator,

关键词：和声搜索算法；布谷鸟搜索算法；全局收敛；函数优化；权重模糊产生式规则抽取

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军事工程建设和谐管理的理论架构与实现模式

林茂光

《中国工程科学》 2012年第14卷第7期页码 24-33

摘要：

从军事工程建设区别于民用工程建设的特点出发，提出了军事工程建设和谐管理的背景。以组织行为学、军事工程经济学、现代项目管理学、系统协同进化理论为理论依据，并从军事工程建设和谐管理的本体论、认识论、方法论出发，描述了军事工程建设和谐管理的“人—事—物”逻辑关系及其系统架构，以及军事工程建设和谐管理的运行机理，从而建立了军事工程建设和谐管理的理论架构。从“领导—员工—团队”主体要素的人理和谐、“质量—工期—成本”客体要素的物理和谐、“知识—工具—方法”关系要素的事理和谐、“军事—技术—经济”系统环境和谐4个方面探讨了军事工程建设和谐管理的实现模式，并构建了军事工程建设和谐管理模式的评价模型。

关键词：军事工程建设人和物适事谐耦合进化和谐管理

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虚拟企业和谐机制研究

王硕,唐小我

《中国工程科学》 2004年第6卷第4期页码 82-85

摘要：

文章运用和谐理论与方法，探讨虚拟企业运作与发展要素划分、现状和谐性分析，研究其和谐机制，据此可随时分析虚拟企业系统的和谐状态，以针对性改进其运行，最后给出案例研究。

关键词：虚拟企业和谐机制协调要素

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Organizational dynamics in adaptive distributed search processes: effects on performance and the role

Friederike WALL

《信息与电子工程前沿（英文）》 2016年第17卷第4期页码 283-295 doi: 10.1631/FITEE.1500306

摘要： In this paper, the effects of altering the organizational setting of distributed adaptive search processes in the course of search are investigated. We put particular emphasis on the complexity of interactions between partial search problems assigned to search agents. Employing an agent-based simulation based on the framework of NK landscapes we analyze different temporal change modes of the organizational set-up. The organizational properties under change include, for example, the coordination mechanisms among search agents. Results suggest that inducing organizational dynamics has the potential to increase the effectiveness of distributed adaptive search processes with respect to various performance measures like the final performance achieved at the end of the search, the chance to find the optimal solution of the search problem, or the average performance per period achieved during the search process. However, results also indicate that the mode of temporal change in conjunction with the complexity of the search problem considerably affects the order of magnitude of these beneficial effects. In particular, results suggest that organizational dynamics induces a shift towards more exploration, i.e., discovery of new areas in the fitness landscape, and less exploitation, i.e., stepwise improvement.

关键词： Agent-based simulation Complexity Coordination Distributed search NK landscapes

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工程和谐与工程创新的互动关系研究

何继善,王进,喻珍

《中国工程科学》 2008年第10卷第12期页码 4-9

摘要：

工程作为人类生存和发展过程中重要而复杂的实践活动，其管理实效的提升是确保社会发展的关键环节。当前工程活动中出现了一系列创新不足及不和谐的现象，如集成化创新度较低、事故频发等。提升工程管理实效，其核心在于工程管理者在完善工程和谐与创新的基础上，实现和谐与创新的互动发展。界定工程和谐及工程创新之后，提出和谐是创新的出发点和归属；反过来，创新是维持和谐的原动力，又是实现更高层次和谐的内驱力。和谐与创新的互动关系研究，有利于人类改变传统的工程创新观，追求工程组织内部、工程和生态环境的和谐，以符合可持续发展的需要。

关键词：工程管理和谐创新和而不同

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Compressive strength prediction and optimization design of sustainable concrete based on squirrel search

《结构与土木工程前沿（英文）》页码 1310-1325 doi: 10.1007/s11709-023-0997-3

摘要： Concrete is the most commonly used construction material. However, its production leads to high carbon dioxide (CO₂) emissions and energy consumption. Therefore, developing waste-substitutable concrete components is necessary. Improving the sustainability and greenness of concrete is the focus of this research. In this regard, 899 data points were collected from existing studies where cement, slag, fly ash, superplasticizer, coarse aggregate, and fine aggregate were considered potential influential factors. The complex relationship between influential factors and concrete compressive strength makes the prediction and estimation of compressive strength difficult. Instead of the traditional compressive strength test, this study combines five novel metaheuristic algorithms with extreme gradient boosting (XGB) to predict the compressive strength of green concrete based on fly ash and blast furnace slag. The intelligent prediction models were assessed using the root mean square error (RMSE), coefficient of determination (R²), mean absolute error (MAE), and variance accounted for (VAF). The results indicated that the squirrel search algorithm-extreme gradient boosting (SSA-XGB) yielded the best overall prediction performance with R² values of 0.9930 and 0.9576, VAF values of 99.30 and 95.79, MAE values of 0.52 and 2.50, RMSE of 1.34 and 3.31 for the training and testing sets, respectively. The remaining five prediction methods yield promising results. Therefore, the developed hybrid XGB model can be introduced as an accurate and fast technique for the performance prediction of green concrete. Finally, the developed SSA-XGB considered the effects of all the input factors on the compressive strength. The ability of the model to predict the performance of concrete with unknown proportions can play a significant role in accelerating the development and application of sustainable concrete and furthering a sustainable economy.

关键词： sustainable concrete fly ash slay extreme gradient boosting technique squirrel search algorithm parametric analysis

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人与自然的和谐是人类社会进步的需要

苑菲,张跃东,李希平

《中国工程科学》 2004年第6卷第11期页码 80-83

摘要：

人类进入了高速发展阶段，但是人与自然的矛盾却越来越深。通过对人与自然关系的剖析，论述实现人与自然的和谐要从提高科学技术、树立科学的价值观念和用制度与机制创新三个方面做起，以实现人类社会的进步。

关键词：人与自然和谐价值观念社会进步

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On the Core Essence of Engineering Management Theory

Ji-shan He

《工程管理前沿（英文）》 2014年第1卷第3期页码 260-269 doi: 10.15302/J-FEM-2014035

摘要： At present, China’s economy is in rapid growth. The scale of engineering construction is significantly increasing and a number of major projects have been completed and put into use, bringing the engineering management practice new issues and challenges with each passing day. In the meantime, Chinese scholars are constantly summarizing what they have learnt in these activities and making great effort to gradually establish their own theoretical system of engineering management, of which the core essence of theoretical system of engineering management becomes a critically important topic. By studying our engineering management theory and practice, this paper preliminarily sums up the core essence of the engineering management theory in China as: “establishing a perfect harmony between human and nature through a people-oriented approach and dual innovation”, with a hope to help and enrich the research on the theoretical system of engineering management in China.

关键词： engineering management theoretical system people-oriented concept perfect harmony between human and nature

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Border-search and jump reduction method for size optimization of spatial truss structures

Babak DIZANGIAN, Mohammad Reza GHASEMI

《结构与土木工程前沿（英文）》 2019年第13卷第1期页码 123-134 doi: 10.1007/s11709-018-0478-2

摘要： This paper proposes a sensitivity-based border-search and jump reduction method for optimum design of spatial trusses. It is considered as a two-phase optimization approach, where at the first phase, the first local optimum is found by few analyses, after the whole searching space is limited employing an efficient random strategy, and the second phase involves finding a sequence of local optimum points using the variables sensitivity with respect to corresponding values of constraints violation. To reach the global solution at phase two, a sequence of two sensitivity-based operators of border-search operator and jump operator are introduced until convergence is occurred. Sensitivity analysis is performed using numerical finite difference method. To do structural analysis, a link between open source software of OpenSees and MATLAB was developed. Spatial truss problems were attempted for optimization in order to show the fastness and efficiency of proposed technique. Results were compared with those reported in the literature. It shows that the proposed method is competitive with the other optimization methods with a significant reduction in number of analyses carried.

关键词： optimum design sensitivity analysis reduction method spatial trusses OpenSees

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Current research, key performances and future development of search and rescue robots

LIU Jinguo, WANG Yuechao, LI Bin, MA Shugen

《机械工程前沿（英文）》 2007年第2卷第4期页码 404-416 doi: 10.1007/s11465-007-0070-2

摘要： Frequent natural disasters and man-made catastrophes have threatened the safety of citizens and have attracted much more attention. The rescue mission under disaster environment is very complicated and dangerous for a rescue team. Search and rescue (SAR) robots can not only improve the efficiency of rescue operations but also reduce the casualty of rescuers. Robots can help rescue teams and even replace rescuers to perform dangerous missions. Search and rescue robots will play a more and more important role in the rescue operations. A survey of the research status of search and rescue robots in Japan, USA, China and other countries has been provided. According to current research, experiences and the lessons learned from applications, the five key performances of a search and rescue robot are survivability, mobility, sensing, communicability and operability. Multi-technique fusion and multi-agent intelligent network are considered to be requirements for the future development of the search and rescue robot. Disaster prevention, disaster reduction and disaster rescue are the important parts of national public safety. They are also crucial for the safety of citizens and their estates. Search and rescue robotic technique is an urgent needed, strategic and core technique for national development. It will be important and strategic for national economy and safety.

关键词： national development communicability mobility national intelligent network

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Erratum to: Efficient keyword search over graph-structured data based on minimal covered Erratum

Asieh Ghanbarpour, Abbas Niknafs, Hassan Naderi,naderi@iust.ac.ir

《信息与电子工程前沿（英文）》 2020年第21卷第6期页码 809-962 doi: 10.1631/FITEE.18e0133

摘要： Unfortunately the second author’s name has been misspelt. It should be read: Abbas NIKNAFS.

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Search for a natural scientific measure of economy

John E COULTER

《环境科学与工程前沿（英文）》 2011年第5卷第1期页码 111-118 doi: 10.1007/s11783-011-0285-7

摘要： Through human history, wealth has been measured in grain, gold, and, now, dollars. Though counterfeiting of coins and notes goes back a long way, it is only with electronic financial accounting in a global economy tainted by toxic loans and imaginary funds that there is an urgency to search for a realistic objective way to monitor and regulate what we are doing to our Earth and ourselves. Various schemes using analysis of utility functions, oil equivalents, entropy, energy, and other units have been tried and, while helping to understand some basic processes and flows, have always been swamped by the machinations of financiers and the attention big sums of money attract. Now, the concept of exergy, pioneered in Eastern Europe in the 1950s, is being researched, developed, and applied, especially in China, driven by the desperation to measure the reality beyond the twin specters of global financial and environmental crises. A rough inventory of the matter in the biosphere at the coordinate details of an angstrom and an appreciation of how humans harness and manipulate electromagnetic forces can be enlightening as to what is and is not sustainable. Without that understanding, any financial estimate and proposed stimulus packages or IMF reform will be wildly wrong and may even be headed in the wrong direction.

关键词： climate change financial crisis energy exergy environment