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2017 IEEE Conference on Technologies for Sustainability (SusTech)最新文献

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Evaluating the differences between direct and indirect interdependencies and their impact on reliability in cyber-power networks 评估直接和间接相互依赖之间的差异及其对网络电力网络可靠性的影响
Pub Date : 2017-11-01 DOI: 10.1109/SUSTECH.2017.8333481
B. Falahati, S. Kahrobaee, Omid Ziaee, P. Gharghabi
With the emergence of smart grids, cyber-power network applications have increased dramatically. A cyberpower system is a type of cyber-physical system where the physical network is the high-voltage power network. In these applications, the cyber network controls, protects and monitors the power system. Without the cyber network and communication system, the efficient and reliable operation of the power network is not possible. Previous studies have subdivided cyber-power dependencies into direct and indirect interdependencies. This paper discusses these two types of interdependencies and compares their impact on power network reliability. The paper also details applications of each interdependency. To better illustrate differences, a numerical case study is presented and results are compared.
随着智能电网的出现,网络电力网络的应用急剧增加。网络电力系统是一种信息物理系统,其中物理网络是高压电网。在这些应用中,网络控制、保护和监视电力系统。没有网络和通信系统,电网的高效、可靠运行是不可能的。以往的研究将网络权力依赖细分为直接依赖和间接依赖。本文讨论了这两种类型的相互依赖,并比较了它们对电网可靠性的影响。本文还详细介绍了每种相互依赖的应用。为了更好地说明差异,给出了一个数值案例研究并对结果进行了比较。
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引用次数: 6
A spatially explicit assessment of water use by the global semiconductor industry 全球半导体工业用水的空间明确评估
Pub Date : 2017-11-01 DOI: 10.1109/SUSTECH.2017.8333525
Kali Frost, I. Hua
The semiconductor industry utilizes vast freshwater resources for its high-tech manufacturing processes. This work will enumerate the impact of the global semiconductor manufacturing industry on water resources. A global inventory of semiconductor manufacturing capacity, in combination with an approximation of water use required to manufacture an individual semiconductor chip, will be used to estimate water consumption by each semiconductor fabrication facility and globally. A simplified water stress assessment will be conducted by multiplying facility water use data by a water scarcity factor. Maps of the scarcity weighted water use will be used to identify watersheds that may be disproportionately impacted by semiconductor manufacturing water use. This may be especially important for regions of growth in the semiconductor industry such as China and Southeast Asia. Once these areas have been identified a detailed water footprint for the facilities located in the subwatershed of interest can be conducted.
半导体产业利用大量的淡水资源来进行高科技的制造过程。这项工作将列举全球半导体制造业对水资源的影响。全球半导体制造能力清单,结合制造单个半导体芯片所需的近似用水量,将用于估计每个半导体制造工厂和全球的用水量。将通过将设施用水数据乘以缺水系数来进行简化的水资源压力评估。稀缺性加权水资源使用地图将用于确定可能受到半导体制造用水不成比例影响的流域。这对于中国和东南亚等半导体行业的增长地区可能尤其重要。一旦确定了这些区域,就可以对位于感兴趣的次流域内的设施进行详细的水足迹。
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引用次数: 7
Hierarchical droop controlled frequency optimization and energy management of a grid-connected microgrid 并网微电网分层下垂控制频率优化与能量管理
Pub Date : 2017-11-01 DOI: 10.1109/SUSTECH.2017.8333521
Sima Aznavi, P. Fajri, M. Benidris, B. Falahati
This paper proposes a frequency security based Energy Management System (EMS) for a hierarchically controlled grid-connected microgrid. The centralized hierarchical EMS is based on precise energy scheduling of droop controlled inverter interfaced Distributed Energy Resources (DERs). A Latin Hypercube Sampling based methodology is applied to model the uncertainties caused by Renewable Energy Sources (RESs), load deviations, and DERs. Simulations are performed on a microgrid in a grid-connected mode. The results verify the effectiveness of considering droop controlled inverter interfaced DERs in preserving the frequency in a hierarchical energy management system. Using this approach, unpredicted changes in the power output of RESs are controlled and microgrid frequency security is satisfied.
针对分层控制并网微电网,提出了一种基于频率安全的能量管理系统。集中式分层管理系统是基于垂控逆变器接口分布式能源的精确能量调度。采用拉丁超立方采样方法对可再生能源(RESs)、负荷偏差和DERs引起的不确定性进行建模。在微电网并网模式下进行了仿真。结果验证了在分层能量管理系统中考虑下垂控制逆变器接口DERs在保持频率方面的有效性。采用该方法可以有效地控制系统输出功率的不可预测变化,满足微电网的频率安全性。
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引用次数: 12
Interoperable toolchains in cyber-physical systems with a sustainability perspective 具有可持续性视角的网络物理系统中的可互操作工具链
Pub Date : 2017-11-01 DOI: 10.1109/SUSTECH.2017.8333471
Didem Gürdür, Katja Tasala Gradin
The development of cyber-physical systems (CPS) requires various engineering disciplines, artifacts, and areas of expertise to collaborate. Powerful software tools are used during this development process, but while successful in one individual discipline, it is often challenging to integrate with other tools. Several studies have been done on integration solutions for these toolchains. However, the possibility of including the sustainability concept to the interoperability strategies is rarely studied. This paper discusses an approach to include sustainability aspects while improving the interoperability of toolchains in CPS manufacturing. To this end, an automobile manufacturing process has been studied as a use case, and relevant sustainability metrics for each stage of the process are identified. Life cycle sustainability assessment methodology is used to identify the sustainability metrics, and the use case is employed to exemplify how some of these metrics can be integrated with interoperable toolchains to illustrate the applicability of the approach.
网络物理系统(CPS)的发展需要各种工程学科、工件和专业领域的协作。在这个开发过程中使用了强大的软件工具,但是,尽管在一个单独的规程中取得了成功,但与其他工具集成通常是具有挑战性的。已经对这些工具链的集成解决方案进行了一些研究。然而,将可持续性概念纳入互操作性策略的可能性很少被研究。本文讨论了一种包括可持续性方面的方法,同时提高了CPS制造中工具链的互操作性。为此,将汽车制造过程作为一个用例进行了研究,并确定了该过程每个阶段的相关可持续性指标。使用生命周期可持续性评估方法来确定可持续性指标,并使用用例来举例说明如何将这些指标与可互操作的工具链集成,以说明该方法的适用性。
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引用次数: 7
Applying innovations in circulator pump technology for commercial building applications 在商业建筑应用中应用循环泵技术的创新
Pub Date : 2017-11-01 DOI: 10.1109/sustech.2017.8333508
B. Vairamohan, M. Samotyj, Nick Pournaras, Brian Christopher Harrison
As government regulations push for higher efficiency in motors and motor driven systems, newer motor technologies, sensors and controls are being developed and introduced into the mainstream marketplace. However, the adoption of these new energy saving technologies is lower because of a lack of awareness of the benefits of emerging technologies. One of these "unknown" technologies is the circulator pumps that are used principally for central heating systems and more common in Europe. There are approximately 14 million circulator pumps sold in Europe annually, which is expected to grow to 17 million (at a growth rate of 1.4%) by 2020. The installed base could be approximately 140 million or more circulator pumps. The total energy consumed by all the circulator pumps in Europe alone in 2005 was approximately 50 TWh, and is expected to rise as high as 55 TWh in 2020. In the U.S., there are approximately 30 million installations of circulator pumps with annual sales of approximately 3 million units. EPRI conducted laboratory tests on the selected "new design" circular pump in 2013. Test results show that the selected pump (commercial name Magna 3) use at least 41% less power than an equivalent baseline pump. The permanent magnet motor along with the feedback loop control using a microprocessor-based controller helps reduce the overall power consumption of this circulator pump. The microprocessor constantly learns the system requirements and usage pattern and adjusts the speed of the pump by changing the pump performance curve. One of the shortcomings of the laboratory tests was that the full capabilities of the pump could not be evaluated due to limited laboratory test conditions. The field demonstration of this pump, therefore, focused on evaluating its additional features and capabilities in a real-life situation. This paper presents the results from the field demonstration of this circulator pump testing and the potential energy savings opportunities under various operating modes. Apart from the energy savings opportunities, the circulator pump also shows significant control system improvements and advanced smart sensors adaptations. This technology also exhibits the potential to reduce both water and energy use in commercial HVAC (centralized heating) as well as other hot water applications.
随着政府法规推动电机和电机驱动系统的更高效率,新的电机技术,传感器和控制正在开发并引入主流市场。然而,由于对新兴技术的好处缺乏认识,这些新节能技术的采用率较低。这些“未知”技术之一是循环泵,主要用于中央供暖系统,在欧洲更为常见。欧洲每年大约销售1400万台循环泵,预计到2020年将增长到1700万台(增长率为1.4%)。安装的基础可能是大约1.4亿个或更多的循环泵。2005年,欧洲所有循环泵消耗的总能量约为50太瓦时,预计到2020年将高达55太瓦时。在美国,大约安装了3000万台循环泵,年销售量约为300万台。2013年,EPRI对选定的“新设计”循环泵进行了实验室测试。测试结果表明,所选择的泵(商业名称麦格纳3)使用至少41%的功率比等效的基线泵。永磁体电机以及使用微处理器为基础的控制器的反馈回路控制有助于降低该循环泵的总体功耗。微处理器不断学习系统要求和使用模式,并通过改变泵的性能曲线来调整泵的速度。实验室测试的缺点之一是,由于实验室测试条件有限,无法对泵的全部能力进行评估。因此,该泵的现场演示主要集中在评估其在实际情况下的附加特性和能力。本文介绍了该循环泵现场试验的结果,以及在各种运行模式下潜在的节能机会。除了节能的机会,循环泵也显示出显著的控制系统改进和先进的智能传感器适应。该技术还显示出在商业HVAC(集中供暖)以及其他热水应用中减少水和能源使用的潜力。
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引用次数: 1
Examining the impact of PHEVs on GHG emissions based on various objectives 基于不同目标考察插电式混合动力车对温室气体排放的影响
Pub Date : 2017-11-01 DOI: 10.1109/SUSTECH.2017.8333480
B. Falahati, Masood Shahverdi, Saeed Mohajeryami, P. Fajri
Technological progress and industrial activities have affected air quality and increased greenhouse gas (GHG) emissions. GHGs are emitted from several sources, such as refineries, power plants and vehicles. The transportation sector contributes significantly to GHG emissions, primarily via vehicles powered by petroleum-based fuels and dispersed throughout residential territories. Plug-in hybrid electrical vehicles (PHEVs), which displace some portion of the petroleum with electricity, play a key role in reducing emissions. However, when power plants generate more electricity, they also produce more pollution. Therefore, utilizing PHEVs does not always guarantee a reduction in GHG emissions. This paper, which focuses on introducing and categorizing GHGs, explores the factors and conditions that make the impact of PHEVs on emissions complex and challenging. This paper also introduces various optimum charging strategies with different objectives. The paper's main objective is to examine the fluctuation of GHGs in response to these strategies. The result of this study depicts the behaviors of the different components of GHGs under different charging strategies.
技术进步和工业活动影响了空气质量,增加了温室气体(GHG)排放。温室气体有几个排放源,如炼油厂、发电厂和车辆。交通运输部门对温室气体排放的贡献很大,主要是通过石油燃料驱动的车辆,并分散在居民区。插电式混合动力汽车(phev)用电力取代了部分石油,在减少排放方面发挥了关键作用。然而,当发电厂产生更多的电力时,它们也会产生更多的污染。因此,使用插电式混合动力车并不一定能保证减少温室气体排放。本文通过对温室气体的介绍和分类,探讨了导致插电式混合动力汽车排放影响复杂且具有挑战性的因素和条件。本文还介绍了不同目标下的各种最优收费策略。本文的主要目的是研究温室气体的波动对这些策略的响应。本研究的结果描述了不同收费策略下不同组分温室气体的行为。
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引用次数: 2
Sustainable maximum power extraction from urban solid waste incineration 从城市固体垃圾焚烧中可持续提取最大电力
Pub Date : 2017-11-01 DOI: 10.1109/SUSTECH.2017.8333527
M. N. Muñoz, J. Vargas, W. Balmant, A. Arena, Juan C. Ordonez, A. Mariano
Urban solid waste production has drastically grown worldwide requiring creative, environmentally correct and sustainable solutions to be developed. This paper considers the basic thermodynamic optimization problem of extracting the most power from a stream of hot exhaust produced by urban solid waste incineration when the contact heat transfer area is fixed. For that, a mathematical model is introduced to evaluate the heat generation rate due to the waste incineration process, and the exergy rate (power) captured by a heat recovery heat exchanger. The numerical results show that when the receiving (cold) stream boils in the counterflow heat exchanger, the thermodynamic optimization consists of locating the optimal capacity rate of the cold stream. At the optimum, the cold side of the heat transfer surface divides itself into three sections: liquid preheating, boiling and vapor superheating. Microalgae cultivation photobioreactors are proposed to treat the produced emissions and increase the global system efficiency for cogeneration of high aggregated value coproducts.
世界范围内的城市固体废物生产急剧增长,需要开发创造性的、环保的和可持续的解决方案。本文研究了当接触传热面积固定时,从城市垃圾焚烧产生的热废气流中提取最大功率的基本热力学优化问题。为此,引入了一个数学模型来评估垃圾焚烧过程的产热率,以及热回收换热器捕获的火用率(功率)。数值计算结果表明,当接收(冷)流在逆流式换热器内沸腾时,热力优化包括冷流最优容率的确定。在最佳状态下,传热面冷侧分为液体预热、沸腾和蒸汽过热三段。提出了微藻培养光生物反应器来处理产生的排放物,并提高全球系统的效率,以热电联产高聚合价值的副产品。
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引用次数: 2
Automation of ultra-light vehicles 超轻型汽车自动化
Pub Date : 2017-11-01 DOI: 10.1109/SUSTECH.2017.8333514
T. Folsom, R. Cotter
Most urban trips can be handled by vehicles weighing less than the riders, using 30 times less energy than a car. Such vehicles are commercially available, but not widespread. Automation of bicycle-class vehicles could form the backbone of an urban transportation system. Such a system is competitive with commuter trains in terms of capacity, speed and cost, but uses much less energy since it is not moving the same vehicle weight. This paper presents an open-source system to automate ultra-light vehicles.
大多数城市旅行都可以由重量比乘客轻的交通工具来完成,使用的能源比汽车少30倍。这种车辆在商业上是可以买到的,但并不普遍。自行车类车辆的自动化可以成为城市交通系统的支柱。这样的系统在容量、速度和成本方面与通勤列车具有竞争力,但由于不移动相同的车辆重量,因此消耗的能源要少得多。本文提出了一种超轻型汽车自动化的开源系统。
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引用次数: 1
Performance evaluation of a DC-DC boost converter with wide bandgap power devices 带宽带隙功率器件的DC-DC升压变换器的性能评价
Pub Date : 2017-11-01 DOI: 10.1109/SUSTECH.2017.8333530
Saleh S. Alharbi, A. M. S. Al-bayati, Salah S. Alharbi, M. Matin
Photovoltaic (PV) energy conversion systems require fast-switching power devices that are highly efficient with low semiconductor loss under harsh environmental conditions. Silicon (Si) semiconductor devices are nearing their practical limits in meeting the ever-increasing requirements of power converters. However, wide bandgap (WBG) semiconductor devices made from silicon carbide (SiC) are exceeding these limits. SiC power devices enable more efficient and higher performance power converters. This paper presents a non-isolated dc-dc boost converter based on SiC power devices optimized for use in PV systems. The performance of two otherwise identical converters is compared, one with a new SiC MOSFET/SiC Schottky diode, and one with a conventional Si MOSFET/Si diode. A comparison of switching characteristics and energy loss of each semiconductor device is performed at different switch currents. Converter total loss and overall efficiency are evaluated at different switching frequencies, input voltages, and output power levels. The results indicate that the SiC MOSFET/SiC Schottky diode in the converter is more efficient, performs better, and has reduced power loss compared to the Si MOSFET/Si diode.
光伏(PV)能量转换系统需要在恶劣环境下高效、低半导体损耗的快速开关电源器件。硅(Si)半导体器件在满足不断增长的功率转换器要求方面接近其实际极限。然而,由碳化硅(SiC)制成的宽带隙(WBG)半导体器件超过了这些限制。SiC功率器件可实现更高效、更高性能的功率转换器。本文提出了一种基于SiC功率器件的非隔离dc-dc升压变换器,并对其进行了优化。比较了两种完全相同的变换器的性能,一种采用新型SiC MOSFET/SiC肖特基二极管,另一种采用传统的Si MOSFET/Si二极管。在不同的开关电流下,对每个半导体器件的开关特性和能量损耗进行了比较。在不同的开关频率、输入电压和输出功率水平下,对变换器的总损耗和总效率进行了评估。结果表明,与硅MOSFET/硅二极管相比,转换器中的SiC MOSFET/SiC肖特基二极管效率更高,性能更好,功耗更低。
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引用次数: 5
The TripleRM Global Health Management Model (GHMM): Strategic risk management of vector borne infectious diseases to build healthy, sustainable, adaptable and resilient communities: (Strategic global health security risk assessment, resilience planning and resource management in urban and rural envi TripleRM全球卫生管理模式(GHMM):媒介传播传染病的战略风险管理,以建立健康、可持续、适应性强和有复原力的社区:(战略全球卫生安全风险评估、复原力规划和城乡环境中的资源管理
Pub Date : 2017-11-01 DOI: 10.1109/SUSTECH.2017.8333516
Suraj Sheth
Over the last 30 years, rising global temperatures due to climate change have led to changes in, and proximal to, urban and rural ecosystems. These changes have caused the patterns of transmission of infectious diseases by vectors, such as mosquitoes, to vary considerably. Diseases such as Dengue Fever, Malaria and Zika (caused by the Zika Virus) have re-emerged where they had disappeared, have become more pervasive in the areas they already existed, and have now emerged in cities where they were previously not seen. In order to combat this dangerous trend while meeting the targets set by the United Nations Sustainable Development Goals, public health officials in charge of urban and rural environments constantly have sought ways to reduce the risk from a disease outbreak. The TripleRM Global Health Management Model (GHMM) can be used for Disease Outbreak and Response in Urban and Rural Environments. It is designed for risk assessment, resilience building and resource management, and can be utilized to research the effectiveness of processes implemented in disease detection and response. The TripleRM Global Health Management Model (GHMM) can be used for reduction or elimination of risk to populations by identifying situational and process vulnerabilities and their impending effects, evaluating current public health controls in place, identifying effective solutions and remedial measures, and recommending a methodology for optimal resource allocation. The TripleRM Global Health Management Model (GHMM) incorporates remedial measures, strategic initiatives designed to integrate adaptability and resiliency, implement policy changes and update emergency response protocols.
在过去的30年里,由于气候变化导致的全球气温上升导致了城市和农村生态系统的变化。这些变化导致诸如蚊子等病媒传播传染病的模式有很大不同。登革热、疟疾和寨卡病毒(由寨卡病毒引起)等疾病在它们消失的地方重新出现,在它们已经存在的地区变得更加普遍,现在在以前没有见过的城市出现。为了在实现联合国可持续发展目标的同时遏制这一危险趋势,负责城市和农村环境的公共卫生官员不断寻求减少疾病爆发风险的方法。TripleRM全球卫生管理模型(GHMM)可用于城市和农村环境中的疾病暴发和应对。它是为风险评估、复原力建设和资源管理而设计的,并可用于研究疾病检测和应对过程的有效性。TripleRM全球健康管理模型(GHMM)可用于通过识别情景和流程脆弱性及其即将产生的影响、评估现有公共卫生控制措施、确定有效的解决方案和补救措施以及建议最佳资源分配方法来减少或消除对人群的风险。TripleRM全球健康管理模式(GHMM)纳入了补救措施、旨在整合适应性和复原力的战略举措、实施政策变更和更新应急协议。
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引用次数: 3
期刊
2017 IEEE Conference on Technologies for Sustainability (SusTech)
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