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Theoretical research and application of petrochemical Cyber-physical Systems

Jiming WANG

《工程管理前沿（英文）》 2017年 第4卷 第3期   页码 242-255 doi: 10.15302/J-FEM-2017053

摘要： A petrochemical smart factory is a green, efficient, safe and sustainable modern factory that combines cutting-edge information and communication technology with petrochemical advanced technology and equipment. A Cyber-physical System (CPS) is the infrastructure of a petrochemical smart factory. Based on the future challenges of the petrochemical industry, this paper proposes the definition, connotation and framework of a petrochemical CPS and constructs a CPS system at the enterprise, unit and field levels, respectively. Furthermore, the paper provides theoretical support and implementation reference of a CPS in the petrochemical industry and other industries by investigating the construction practice of a multi-level CPS in the China Petrochemical Corporation (SINOPEC).

关键词： Cyber-physical System (CPS)     petrochemical industry     smart factory    

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Exploration of interconnected factory mode: Haier Jiaozhou Air Conditioner Interconnected Factory

Yunjie ZHOU

《工程管理前沿（英文）》 2017年 第4卷 第4期   页码 500-503 doi: 10.15302/J-FEM-2017105

关键词： interconnected factory mode     user-centered     mass customization     interconnection    

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China Launched the First Wastewater Resource Recovery Factory in Yixing

《环境科学与工程前沿（英文）》 2022年 第16卷 第1期 doi: 10.1007/s11783-021-1496-1

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network-based production process modeling and variable importance analysis approach in corn to sugar factory

《化学科学与工程前沿（英文）》 2023年 第17卷 第3期   页码 358-371 doi: 10.1007/s11705-022-2190-y

摘要： Corn to sugar process has long faced the risks of high energy consumption and thin profits. However, it’s hard to upgrade or optimize the process based on mechanism unit operation models due to the high complexity of the related processes. Big data technology provides a promising solution as its ability to turn huge amounts of data into insights for operational decisions. In this paper, a neural network-based production process modeling and variable importance analysis approach is proposed for corn to sugar processes, which contains data preprocessing, dimensionality reduction, multilayer perceptron/convolutional neural network/recurrent neural network based modeling and extended weights connection method. In the established model, dextrose equivalent value is selected as the output, and 654 sites from the DCS system are selected as the inputs. LASSO analysis is first applied to reduce the data dimension to 155, then the inputs are dimensionalized to 50 by means of genetic algorithm optimization. Ultimately, variable importance analysis is carried out by the extended weight connection method, and 20 of the most important sites are selected for each neural network. The results indicate that the multilayer perceptron and recurrent neural network models have a relative error of less than 0.1%, which have a better prediction result than other models, and the 20 most important sites selected have better explicable performance. The major contributions derived from this work are of significant aid in process simulation model with high accuracy and process optimization based on the selected most important sites to maintain high quality and stable production for corn to sugar processes.

关键词： big data     corn to sugar factory     neural network     variable importance analysis    

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Fermentative hydrogen production from beet sugar factory wastewater treatment in a continuous stirred

Gefu ZHU, Chaoxiang LIU, Jianzheng LI, Nanqi REN, Lin LIU, Xu HUANG

《环境科学与工程前沿（英文）》 2013年 第7卷 第1期   页码 143-150 doi: 10.1007/s11783-012-0456-1

摘要： A low pH, ethanol-type fermentation process was evaluated for wastewater treatment and bio-hydrogen production from acidic beet sugar factory wastewater in a continuous stirred tank reactor (CSTR) with an effective volume of 9.6 L by anaerobic mixed cultures in this present study. After inoculating with aerobic activated sludge and operating at organic loading rate (OLR) of 12 kgCOD?m ·d , HRT of 8h, and temperature of 35°C for 28 days, the CSTR achieved stable ethanol-type fermentation. When OLR was further increased to 18 kgCOD?m ·d on the 53rd day, ethanol-type fermentation dominant microflora was enhanced. The liquid fermentation products, including volatile fatty acids (VFAs) and ethanol, stabilized at 1493 mg·L in the bioreactor. Effluent pH, oxidation-reduction potential (ORP), and alkalinity ranged at 4.1–4.5, -250–(-290) mV, and 230–260 mgCaCO ?L . The specific hydrogen production rate of anaerobic activated sludge was 0.1 L?gMLVSS ·d and the COD removal efficiency was 45%. The experimental results showed that the CSTR system had good operation stability and microbial activity, which led to high substrate conversion rate and hydrogen production ability.

关键词： fermentative hydrogen production     continuous stirred tank reactor (CSTR)     specific hydrogen production rate     beet sugar factory wastewater     ethanol-type fermentation    

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离散型制造智能工厂发展战略

卢秉恒,邵新宇,张俊,王磊

《中国工程科学》 2018年 第20卷 第4期   页码 44-50 doi: 10.15302/J-SSCAE-2018.04.008

摘要：

当前，以新一代人工智能技术与先进制造业深度融合发展为主要特征的新一代智能制造正在全球范围内孕育兴起，成为新一轮工业革命的核心技术。中国制造业总体而言大而不强，发展智能制造可推进中国制造业提质增效、由大变强，是中国制造业转型升级的主要路径。智能生产是新一代智能制造系统的主线，而智能工厂是智能生产的主要载体。本文重点研究离散型制造智能工厂发展战略，首先探讨智能工厂的内涵，对智能工厂的基本架构、信息系统架构和基本特征进行描述，然后提出了智能工厂的重点突破方向和实施途径方案，最后给出了发展智能工厂的政策建议：①建议政府部门积极支持和引导智能制造产业发展和智能工厂示范，支持形成具有区域优势的智能制造生态链；②鼓励企业根据自己的实际情况建设智能工厂，构建技术竞争优势和提升企业经济效益是硬道理；③建立和落实协同创新机制；④突出核心技术、关键装备、工业软件的“中国制造”。

关键词： 智能制造     智能工厂     离散型制造    

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摩天大厦型作物工厂——保障城市食物快速增长需求的作物高效生产系统 Perspective

张丽, 黄兰, 李涛, 王涛, 杨晓, 杨其长

《工程（英文）》 2023年 第31卷 第12期   页码 70-75 doi: 10.1016/j.eng.2023.08.014

摘要：

“摩天大厦型作物工厂”是一种在多层建筑内进行作物高效生产的空间农业系统，单位土地产能可达露地的数百倍甚至上千倍。本文重点介绍了摩天大厦型作物工厂在作物高效生产方面的巨大潜力，系统阐述了用于这种农业形态的人工光植物工厂、节能与新能源利用、空间立体栽培、人工智能以及资源循环利用等新兴技术，并提出了这种方式在拓展耕地、增强城市食物弹性、减少温室气体排放以及可持续发展方面的积极意义。摩天大厦型作物工厂被认为是城市化快速发展的必然产物，是都市型现代农业的重要组成部分，在保障城市食物就近供给、满足居民参与农作需求、推动城市健康稳定发展等方面将发挥极为重要的作用。

关键词： 垂直农业系统     粮食作物生产     植物工厂技术     摩天大厦型作物工厂    

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工业互联网网络连接架构和发展趋势

余晓晖,张恒升,彭炎,李栋

《中国工程科学》 2018年 第20卷 第4期   页码 79-84 doi: 10.15302/J-SSCAE-2018.04.013

摘要：

网络作为工业互联网三大功能体系之一，为工业全要素的全面互联提供基础设施。现有的“两层三级”工业网络难以满足工业互联网新业务、新模式的发展需求，不断出现的新型网络技术推动网络架构演进。工厂内网络向着融合、开放、灵活的方向发展，工厂外网络的服务呈现普遍化、精细化、灵活化趋势。本文给出了工业互联网网络连接框架，并建议工业企业根据业务、实时性、传输方式等需求建设工厂内网络，根据不同业务发展的要求选择三种专线和一种上网连接方式构建工厂外网络。

关键词： 工厂内网络     工厂外网络     开放     融合    

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Blockchain-based smart contract for smart payment in construction: A focus on the payment freezing and

《工程管理前沿（英文）》 2022年 第9卷 第2期   页码 177-195 doi: 10.1007/s42524-021-0184-y

摘要： Late payment, and indeed no payment, is a rampant and chronic problem that has plagued the global construction industry for too long. Recent development in blockchain technology, particularly its smart contract, seems to provide a new opportunity to improve this old problem. However, this opportunity is largely unexploited. This study aims to develop a blockchain-based smart contract (BBSC) system for smart payment in the construction industry by focusing on the fundamental cycle of payment freezing (sometimes also synonymously called payment guarantees) and disbursement application. Firstly, a BBSC framework, containing three processes of (a) initiation and configuration, (b) payment freezing, and (c) disbursement application, is developed. Next, based on the framework, the system architecture of the BBSC system, containing three layers of (1) Infrastructure as a Service (IaaS), (2) Blockchain as a Service (BaaS), and (3) Software as a Service (SaaS) is proposed and elaborated. Finally, based on the system architecture, a BBSC prototype system is developed using a real-life modular construction project as a case study. It was found that the prototype system can improve the certainty and efficiency of the progress payment, thereby enabling smart payment in construction transactions. Without advocating radical changes (e.g., the contractual relationships or the intermediate role of banks in modern construction projects), the prototype can be developed into a real-life BBSC system that can work compatibly with current advancements in the field. Future works are recommended to fine-tune the findings and translate and implement them in real-life applications.

关键词： blockchain     construction project     smart contract     smart payment     payment dispute    

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A literature review of smart warehouse operations management

《工程管理前沿（英文）》 2022年 第9卷 第1期   页码 31-55 doi: 10.1007/s42524-021-0178-9

摘要： E-commerce, new retail, and other changes have highlighted the requirement of high efficiency and accuracy in the logistics service. As an important section in logistics and supply chain management, warehouses need to respond positively to the increasing requirement. The “smart warehouse” system, which is equipped with emerging warehousing technologies, is increasingly attracting the attention of industry and technology giants as an efficient solution for the future of warehouse development. This study provides a holistic view of operations management problems within the context of smart warehouses. We provide a framework to review smart warehouse operations management based on the characteristics of smart warehouses, including the perspectives of information interconnection, equipment automation, process integration, and environmental sustainability. A comprehensive review of relevant literature is then carried out based on the framework with four perspectives. This study could provide future research directions on smart warehouses for academia and industry practitioners.

关键词： smart warehouse     operations management     interconnection     automation     integration     sustainability    

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Potential advantages in combining smart and green infrastructure over silo approaches for future cities

Yamuna KALUARACHCHI

《工程管理前沿（英文）》 2021年 第8卷 第1期   页码 98-108 doi: 10.1007/s42524-020-0136-y

摘要： Cities are incorporating smart and green infrastructure components in their urban design policies, adapting existing and new infrastructure systems to integrate technological advances to mitigate extreme weather due to climate change. Research has illustrated that smart green infrastructure (SGI) provides not only climate change resilience but also many health and wellbeing benefits that improve the quality of life of citizens. With the growing demand for smart technology, a series of problems and challenges, including governance, privacy, and security, must be addressed. This paper explores the potential to transition from grey, green, or smart silos to work with nature-based solutions and smart technology to help change cities to achieve considerable environmental and socio-economic benefits. The concepts of grey, green, and smart infrastructure are presented, and the needs, benefits, and applications are investigated. Moreover, the advantages of using integrated smart, green nature-based solutions are discussed. A comprehensive literature review is undertaken with keyword searches, including journal papers, stakeholder and case study reports, and local authority action plans. The methodology adopts multimethod qualitative information review, including literature, case studies, expert interviews, and documentary analysis. Published data and information are analysed to capture the key concepts in implementing SGI systems, such as storm-water control, flood and coastal defense, urban waste management, transportation, recreation, and asset management. The paper investigates the elimination of silo approaches and the alleviation of the destructions caused by extreme weather events using these interdependent SGI systems supported by novel data-driven platforms to provide nature-based solutions to boost the health and wellbeing of the residents.

关键词： grey infrastructure     green infrastructure     smart infrastructure     smart and green combined infrastructure     smart cities     future cities    

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Smart contract applications in the built environment: How prepared are Nigerian construction stakeholders

《工程管理前沿（英文）》 doi: 10.1007/s42524-023-0275-z

摘要： Studies have demonstrated that advanced technology, such as smart contract applications, can enhance both pre- and post-contract administration within the built environment sector. Smart contract technology, exemplifying blockchain technologies, has the potential to improve transparency, trust, and the security of data transactions within this sector. However, there is a dearth of academic literature concerning smart contract applications within the construction industries of developing countries, with a specific focus on Nigeria. Consequently, this study seeks to explore the relevance of smart contract technology and address the challenges impeding its adoption, offering strategies to mitigate the obstacles faced by smart contract applications. To investigate the stakeholders, this research conducted 14 virtual interview sessions to achieve data saturation. The interviewees encompassed project management practitioners, senior management personnel from construction companies, experts in construction dispute resolution, professionals in construction software, and representatives from government construction agencies. The data obtained from these interviews underwent thorough analysis employing a thematic approach. The study duly recognizes the significance of smart contract applications within the sector. Among the 12 identified barriers, issues such as identity theft and data leakage, communication and synchronization challenges, high computational expenses, lack of driving impetus, excessive electricity consumption, intricate implementation processes, absence of a universally applicable legal framework, and the lack of a localized legal framework were recurrent impediments affecting the adoption of smart contract applications within the sector. The study also delves into comprehensive measures to mitigate these barriers. In conclusion, this study critically evaluates the relevance of smart contract applications within the built environment, with a specific focus on promoting their usage. It may serve as a pioneering effort, especially within the context of Nigeria.

关键词： built environment industry     digitalization     Nigeria     smart contract     technological revolution    

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Operations management of smart logistics: A literature review and future research

Bo FENG,Qiwen YE

《工程管理前沿（英文）》 2021年 第8卷 第3期   页码 344-355 doi: 10.1007/s42524-021-0156-2

摘要： The global collaboration and integration of online and offline channels have brought new challenges to the logistics industry. Thus, smart logistics has become a promising solution for handling the increasing complexity and volume of logistics operations. Technologies, such as the Internet of Things, information communication technology, and artificial intelligence, enable more efficient functions into logistics operations. However, they also change the narrative of logistics management. Scholars in the areas of engineering, logistics, transportation, and management are attracted by this revolution. Operations management research on smart logistics mainly concerns the application of underlying technologies, business logic, operation framework, related management system, and optimization problems under specific scenarios. To explore these studies, the related literature has been systematically reviewed in this work. On the basis of the research gaps and the needs of industrial practices, future research directions in this field are also proposed.

关键词： smart logistics     operations management     optimization     Internet of Things    

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DSM in an area consisting of residential, commercial and industrial load in smart grid

Balasubramaniyan SARAVANAN

《能源前沿（英文）》 2015年 第9卷 第2期   页码 211-216 doi: 10.1007/s11708-015-0351-0

摘要： With the latest introduction of the demand side management (DSM) in smart grids, the power distribution units are able to modify the load schedules of the consumers. This involves a co-operative interaction of the utility and the consumers so as to achieve customer load modifications in which the customer, utility and society all are benefited. The interaction is performed with the help of the devices known as the smart meter. This paper shows the use of game theory and logical mathematical expressions in order to achieve the objectives. The objectives are to minimize the peak to average ratio (PAR) and the energy cost. The outcome of the game between supplier and customers helps to shape the load profile. The design proposed in this paper is very user-friendly and is based on simple logarithmic programming computations. In this paper, residential, commercial and industrial types of loads are taken into account. A basic 24 h load schedule along with the fluctuating prices at each hour of the day is forecasted by the supplier of the various shiftable and non-shiftable loads and then that schedule is conveyed to the user. The users are encouraged to shift their high load devices to off-peak hours which will not only reduce their electricity costs but also substantially reduce the PAR in the load demand.

关键词： demand side management (DSM)     smart grids     peak to average ratio (PAR)     smart meters and logarithmic price function    

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The development trend and practical innovation of smart cities under the integration of new technologies

Xiaohong CHEN

《工程管理前沿（英文）》 2019年 第6卷 第4期   页码 485-502 doi: 10.1007/s42524-019-0057-9

摘要： Smart cities have rapidly developed in the context of the integration of new digital technologies such as big data, Internet of Things, artificial intelligence, blockchains, and virtual reality. These cities have conducted practical innovations and typical cases in many sectors, such as in government, transportation, environmental protection, energy, medical care, and logistics, and have produced many social, economic, and ecological benefits. However, there are still some problems that continue to hinder the construction of smart cities. This paper examines such problems in depth and proposes some relevant countermeasures and suggestions.

关键词： new technology integration     smart city     big data     practical innovation    

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标题 作者 时间 类型 操作

Theoretical research and application of petrochemical Cyber-physical Systems

Jiming WANG

期刊论文

Exploration of interconnected factory mode: Haier Jiaozhou Air Conditioner Interconnected Factory

Yunjie ZHOU

期刊论文

China Launched the First Wastewater Resource Recovery Factory in Yixing

期刊论文

network-based production process modeling and variable importance analysis approach in corn to sugar factory

期刊论文

Fermentative hydrogen production from beet sugar factory wastewater treatment in a continuous stirred

Gefu ZHU, Chaoxiang LIU, Jianzheng LI, Nanqi REN, Lin LIU, Xu HUANG

期刊论文

离散型制造智能工厂发展战略

卢秉恒,邵新宇,张俊,王磊

期刊论文

摩天大厦型作物工厂——保障城市食物快速增长需求的作物高效生产系统

张丽, 黄兰, 李涛, 王涛, 杨晓, 杨其长

期刊论文

工业互联网网络连接架构和发展趋势

余晓晖,张恒升,彭炎,李栋

期刊论文

Blockchain-based smart contract for smart payment in construction: A focus on the payment freezing and

期刊论文

A literature review of smart warehouse operations management

期刊论文

Potential advantages in combining smart and green infrastructure over silo approaches for future cities

Yamuna KALUARACHCHI

期刊论文

Smart contract applications in the built environment: How prepared are Nigerian construction stakeholders

期刊论文

Operations management of smart logistics: A literature review and future research

Bo FENG,Qiwen YE

期刊论文

DSM in an area consisting of residential, commercial and industrial load in smart grid

Balasubramaniyan SARAVANAN

期刊论文

The development trend and practical innovation of smart cities under the integration of new technologies

Xiaohong CHEN

期刊论文