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Matching Traffic Lights to Routes for Real-World Deployments of Mobile GLOSA Apps 将交通灯与实际部署的移动GLOSA应用程序的路线相匹配
Pub Date : 2022-09-26 DOI: 10.1109/ISC255366.2022.9922560
Philipp Matthes, T. Springer
Green Light Optimized Speed Advisory (GLOSA) apps provide speed recommendations for drivers to pass traffic lights during their green phases. In this way, the comfort and efficiency of traveling can be significantly improved. Thus, GLOSA apps are a valuable contribution to smart mobility. Mobile GLOSA apps provide an attractive alternative to static info signs, but they need to anticipate upcoming traffic lights that the vehicle will pass. While this imposes no challenge for predominating research within simulation or test track environments, real-world deployments need to correctly match a few from thousands of traffic lights to a route. In this paper, we discuss in a novel approach that MAP topologies, an international ETSI standard for turn geometries of traffic lights, can be used to perform this matching. However, routing is usually performed on public map data, which is not aligned with the MAP topologies. We explore two computational methods, specifically map-matching as preprocessing for adjacency lookup and topologic feature matching, that account for discrepancies between the MAP topologies and the route. We show that the core problem can be addressed using these algorithms to enable large-area deployments of real-world mobile GLOSA apps. In a comparative evaluation, the topologic feature matching technique achieved an F1 score of 89.5%, while the map-matched adjacency lookup method only achieved an F1 score of 48.3%. We analyze this performance gap and conclude further research directions.
绿灯优化速度咨询(GLOSA)应用程序为驾驶员在绿灯阶段通过交通灯提供速度建议。这样,出行的舒适度和效率就能得到显著提高。因此,GLOSA应用程序是对智能移动的宝贵贡献。移动GLOSA应用程序提供了一个有吸引力的替代静态信息标志,但他们需要预测即将到来的交通信号灯,车辆将通过。虽然这对模拟或测试轨道环境中的主导研究没有任何挑战,但实际部署需要将数千个交通灯中的几个正确匹配到一条路线上。在本文中,我们讨论了一种新的方法,即MAP拓扑,一种用于交通信号灯转弯几何形状的国际ETSI标准,可以用来执行这种匹配。然而,路由通常是在公共地图数据上执行的,这与map拓扑不一致。我们探索了两种计算方法,特别是地图匹配作为邻接查找和拓扑特征匹配的预处理,这解释了MAP拓扑和路由之间的差异。我们表明,使用这些算法可以解决核心问题,从而实现实际移动GLOSA应用程序的大面积部署。在对比评价中,拓扑特征匹配技术的F1得分为89.5%,而地图匹配邻接查找方法的F1得分仅为48.3%。本文分析了这一性能差距,并总结了进一步的研究方向。
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引用次数: 0
Towards a Methodology for the Characterization of IoT Data Sets of the Smart Building Sector 智能建筑领域物联网数据集表征方法研究
Pub Date : 2022-09-26 DOI: 10.1109/ISC255366.2022.9921984
Louis Closson, C. Cérin, D. Donsez, D. Trystram
The long-term objective of the paper aims to provide decision aid support to a technical smart buildings manager to potentially reduce the emission of data produced by sensors inside a building and, more generally, to acquire knowledge on the data produced in the facility. As the first step, the paper proposes to characterize the smart-building ecosystem's Internet-of-things (IoT) data sets. The description and the construction of learning models over data sets are crucial in engineering studies to advance critical analysis and serve diverse researchers' communities, such as architects or data scientists. We examine two data sets deployed in one location in the Grenoble area in France. We assume that the building is an autonomic computing system. Thus, the underlying model we deal with is the well-known MAPE-K methodology introduced by IBM. The paper mainly addresses the analysis component and the adjacent connector component of the MAPE-K model. The content of this layer, and its organization, constitutes the methodological point we put forward. Consequently, we automatically provide a complete set of practices and methods to pass to the planning component of the MAPE-K model. We also sketch a semi-automatic way of reducing the number of measures done by sensors. In the background of our study, we aim to reduce the operational cost of making measures with a much more sober approach than the current one. We also discuss in profound the main findings of our work. Finally, we provide insights and open questions for future outcomes based on our experience.
本文的长期目标是为技术智能建筑管理人员提供决策辅助支持,以潜在地减少建筑物内传感器产生的数据的排放,更一般地说,获取有关设施中产生的数据的知识。作为第一步,本文提出表征智能建筑生态系统的物联网(IoT)数据集。数据集学习模型的描述和构建在工程研究中至关重要,可以推进批判性分析,并服务于不同的研究人员群体,如架构师或数据科学家。我们检查部署在法国格勒诺布尔地区一个地点的两个数据集。我们假设这个建筑是一个自主计算系统。因此,我们处理的底层模型是IBM引入的著名的MAPE-K方法。本文主要研究了MAPE-K模型的分析组件和相邻连接器组件。这一层的内容及其组织构成了我们提出的方法论要点。因此,我们自动提供一套完整的实践和方法来传递给MAPE-K模型的计划组件。我们还提出了一种半自动的减少传感器测量次数的方法。在我们研究的背景下,我们的目标是用比现在更清醒的方法来降低制定措施的运营成本。我们还深入讨论了我们工作的主要发现。最后,我们根据我们的经验为未来的结果提供见解和开放性问题。
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引用次数: 0
Reduction of the Cost Needed for Converting a Conventional Building to a Nearly Zero Energy Building 降低将传统建筑转换为几乎零能耗建筑所需的成本
Pub Date : 2022-09-26 DOI: 10.1109/ISC255366.2022.9922223
C. Mademlis, N. Jabbour, E. Tsioumas, Markos Kosseoglou, D. Papagiannis
This paper investigates the challenging problem of reducing the cost needed for converting a conventional building to a nearly-zero energy building (nZEB). This can be at-tained by properly selecting the sizing of the domestic renewable energy sources (DRES) and battery storage system (BSS), and improving the performance of the building electric microgrid. Thus, on the one side, a new methodology based on the genetic algorithm (GA) is proposed to properly determine the correct size of the DRES and BSS. On the other side, an integrated control method based on the GA technique too for the energy man-agement in the home microgrid is suggested that is accomplished through a correct balance between the maximum exploitation of the DRES and BSS, comfort of the building residents, and en-ergy saving. Therefore, the problem of reducing the cost for de-veloping an nZEB is addressed by reducing the two cost components, i.e. installation and operating cost. Moreover, the influ-ence of the one cost on the other is considered, and therefore an integrated calculation method is developed that provides a ho-listic solution for the nZEB's cost problem. The proposed calcu-lation strategy has been experimentally validated in a pilot building and several experimental results are presented in this paper to demonstrate the effectiveness, practicality, and functionality of the suggested methodology.
本文研究了降低将传统建筑转换为近零能耗建筑(nZEB)所需的成本的具有挑战性的问题。这可以通过适当选择国内可再生能源(DRES)和电池存储系统(BSS)的规模,以及改善建筑微电网的性能来实现。因此,一方面,提出了一种基于遗传算法(GA)的新方法来正确确定DRES和BSS的正确大小。另一方面,提出了一种基于遗传算法的家庭微电网能源管理的综合控制方法,该方法通过最大限度地利用DRES和BSS、建筑居民的舒适度和节能之间的正确平衡来实现。因此,通过降低安装和运行成本这两个成本组成部分来解决降低nZEB开发成本的问题。此外,考虑了一种成本对另一种成本的影响,从而提出了一种综合计算方法,为nZEB成本问题提供了一个整体的解决方案。所提出的计算策略已在一个试点建筑中进行了实验验证,本文给出了几个实验结果,以证明所建议方法的有效性、实用性和功能性。
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引用次数: 0
Edge-based Situ-aware Reinforcement Learning for Traffic Congestion Mitigation 基于边缘的态势感知强化学习缓解交通拥堵
Pub Date : 2022-09-26 DOI: 10.1109/ISC255366.2022.9922461
Chen-Yeou Yu, Wensheng Zhang, Carl K. Chang
Traffic congestion may cause elongated travel time, increased fuel consumption and extra pollution. To mitigate congestion, we propose a new approach based on multi-agent reinforcement learning (RL) to learn policies dictating path selections for vehicles. The algorithm utilizes the interactions between RL agents with Q-Learning and edge servers in monitoring traffic at road intersections. As an important difference between this work and existing approaches, we take human desire and realistic rewards into account. Extensive simulation experiments show that the resulting mechanism is promising and more RL agents can be incentive to follow rerouting directions when congestion is detected. Also, this algorithm has comparable performance as the Dynamic Dijkstra Algorithm.
交通拥堵可能会延长旅行时间,增加燃料消耗和额外的污染。为了缓解拥堵,我们提出了一种基于多智能体强化学习(RL)的新方法来学习指示车辆路径选择的策略。该算法利用具有Q-Learning功能的强化学习代理和边缘服务器之间的交互来监控十字路口的交通。这项工作与现有方法的一个重要区别是,我们考虑了人类的欲望和现实的回报。大量的仿真实验表明,所得到的机制是有希望的,当检测到拥塞时,可以激励更多的RL代理遵循重路由方向。该算法具有与动态Dijkstra算法相当的性能。
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引用次数: 0
An Experiment Orchestration Platform to Support Smart City Experiential Learning 支持智慧城市体验式学习的实验编排平台
Pub Date : 2022-09-26 DOI: 10.1109/ISC255366.2022.9922559
Nathan Puryear, Patrick J. Martin, M. Kuzlu, Özgür Güler, V. Jovanovic, S. Abdelwahed
This paper presents an experiment orchestration platform, called VirtualLab@OpenCyberCity, that supports the research and education of smart city technologies. This platform will allow researchers and students to provision distributed experiments across the cyber-physical agents within OpenCyberCity. These new capabilities will support building a cyber-physical systems workforce with hands-on-experience using technologies that will be incorporated into smart city solutions. Virtual-Lab@OpenCyberCity will (a) provide a learning ecosystem of advanced CPS technologies, (b) inform the employment of advanced technologies and intelligent management systems for smart city planners, and (c) foster fruitful collaboration among academia, industry, and government stakeholders to build a smart city innovation workforce.
本文提出了一个名为VirtualLab@OpenCyberCity的实验编排平台,用于支持智慧城市技术的研究和教育。该平台将允许研究人员和学生在OpenCyberCity的网络物理代理中提供分布式实验。这些新功能将支持构建具有实践经验的网络物理系统工作人员,这些技术将被纳入智慧城市解决方案。Virtual-Lab@OpenCyberCity将(a)提供先进CPS技术的学习生态系统,(b)为智慧城市规划者提供先进技术和智能管理系统的使用信息,以及(c)促进学术界、工业界和政府利益相关者之间富有成效的合作,以建立一支智慧城市创新劳动力队伍。
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引用次数: 2
Estimated Time of Arrival in Autonomous Vehicles Using Gradient Boosting: Real-life case study in public transportation 使用梯度提升的自动驾驶车辆估计到达时间:公共交通的现实案例研究
Pub Date : 2022-09-26 DOI: 10.1109/ISC255366.2022.9921853
Evangelos Antypas, Georgios Spanos, Antonios Lalas, K. Votis, D. Tzovaras
Autonomous Vehicles (AVs) are expected to revolutionise the methods of transportation. Research and innovation in this field is making huge leaps in the last few years, whether it considers vehicles used for private or public transport. Predicting the Estimated Time of Arrival (ETA) is a very important attribute associated with Public Transport (PT). Especially with the rise of AVs' adoption, PT is expected to follow this trend. Therefore, ETA prediction is deemed to be a service that interests the majority of PT stakeholders. PT is a field that automation benefits both stakeholders and commuters, and this research aims to provide a benchmark considering AVs in PT. Within this work, Gradient Boosting (GB) techniques for ETA prediction were employed, namely eXtreme Gradient Boosting (XGBoost), Categorical Boosting (CatBoost) and Light Gradient Boosting Machines (LightGBM). This study proposes competitive ETA prediction methods in Autonomous Buses, while the results of this research are very encouraging and aim to contribute to the overall investigations in the field of autonomous and automated PT.
自动驾驶汽车(AVs)有望彻底改变交通方式。这一领域的研究和创新在过去几年里取得了巨大的飞跃,无论是用于私人还是公共交通的车辆。预计到达时间(ETA)是公共交通(PT)的一个重要属性。特别是随着自动驾驶汽车的普及,预计PT也将追随这一趋势。因此,ETA预测被认为是大多数PT利益相关者感兴趣的服务。PT是一个自动化对利益相关者和通勤者都有利的领域,本研究旨在为PT中的自动驾驶汽车提供一个基准。在这项工作中,采用梯度增强(GB)技术进行ETA预测,即极限梯度增强(XGBoost),分类增强(CatBoost)和光梯度增强机(LightGBM)。本研究提出了自动驾驶客车中具有竞争力的ETA预测方法,而本研究的结果非常令人鼓舞,旨在为自动驾驶和自动化PT领域的整体研究做出贡献。
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引用次数: 0
Investigation of Shared-Bike Demand Using Data Analytics 基于数据分析的共享单车需求调查
Pub Date : 2022-09-26 DOI: 10.1109/ISC255366.2022.9921867
Madiha Bencekri, Adnane Founoun, A. Haqiq, A. Hayar
Sustainable development commitments are of concern to the city's decision-makers as well as significantly impacting the existing transportation systems. The concept of the smart city and precisely the component of smart mobility centered on the user and soft transport comes to support this approach of transformation which aims at the low carbon city. Similarly, reducing carbon emissions is one of the main objectives of a smart city, thereby comes the focus on enhancing eco-friendly and active transportation means, for instance, the shared-bike system. The mode benefits from the technology implemented within the smart city concept. Seoul Government has implemented a shared-bike program “Ttareungyi” in 2015, within the big vision of “low carbon green growth”. However, the program struggles to achieve the targeted demand. Therefore, this study is using data analytics to help enlighten decision-makers about the shared-bike system and provide insights for future development. The research was conducted to investigate the influence of the built environment, including slope, land use mix, and centrality parameters, the influence of transport infrastructure, including bike and transit infrastructure, and the influence of the socio-economic characteristics, including population, retail number, car ownership, and job offers on bike demand. And to predict bike demand based on the mentioned variables using the ridge regression method. Results revealed that dock number, population density, and car ownership have a significant positive impact on biking demand, while slope has a significant negative impact. In contradiction to the research hypothesis, land use mix revealed a weak impact on biking demand using random forest, and a negative influence using ridge regression.
可持续发展承诺是城市决策者关注的问题,同时也对现有的交通系统产生了重大影响。智慧城市的概念以及以用户和软交通为中心的智能交通的组成部分支持了这种以低碳城市为目标的转型方式。同样,减少碳排放是智慧城市的主要目标之一,因此重点是加强环保和积极的交通方式,例如共享自行车系统。该模式受益于智慧城市概念中实施的技术。首尔市在“低碳绿色增长”的大愿景下,于2015年实施了共享单车项目“ttareunyi”。然而,该计划难以实现目标需求。因此,本研究是通过数据分析来帮助决策者了解共享单车系统,并为未来的发展提供见解。研究考察了建筑环境(包括坡度、土地利用组合和中心性参数)、交通基础设施(包括自行车和公交基础设施)的影响,以及社会经济特征(包括人口、零售数量、汽车保有量和就业机会)对自行车需求的影响。并基于上述变量,采用岭回归方法对自行车需求量进行预测。结果表明,码头数量、人口密度和汽车保有量对骑行需求有显著的正向影响,坡度对骑行需求有显著的负向影响。与研究假设相矛盾的是,土地利用组合对随机森林模式下的自行车需求的影响较弱,而岭回归模式下的影响为负。
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引用次数: 0
Data Cleaning to fine-tune a Transfer Learning approach for Air Quality Prediction 数据清洗微调空气质量预测的迁移学习方法
Pub Date : 2022-09-26 DOI: 10.1109/ISC255366.2022.9921836
Marie Njaime, Fahed Abdallah Olivier, H. Snoussi, Judy Akl, C. Chahla, H. Omrani
Air pollution is a serious environmental danger to people, specifically those who live in urbanised regions. Air pollution is also responsible for the climate crisis. Latest researches have shown the efficiency of early alert procedures that permits citizens to decrease their exposure to air pollution. Hence, monitoring air quality has turned into an essential need in most cities. Circulation, electricity, combustible uses, and various factors contribute to air pollution. Air quality ground stations are placed across most countries to record diverse air pollutants (including NO2), but they have a limited number, constraining therefore the accuracy of ground-level NO2 at high temporal and spatial resolutions. Conversely, satellite remote sensing data measures NO2 densities at a global scale. This paper presents a Data Cleaning technique for satellite images so Transfer Learning could be applied in a further step to estimate NO2 concentrations at Luxembourg with high spatial resolutions based on a pretrained Residual Network 50 (ResNet-50).
空气污染对人们,特别是那些生活在城市化地区的人来说,是一个严重的环境危害。空气污染也是造成气候危机的原因。最新的研究表明,早期预警程序的有效性,使市民减少暴露在空气污染中。因此,监测空气质量已成为大多数城市的基本需求。流通、电力、可燃物使用和各种因素造成空气污染。大多数国家都设置了空气质量地面站,以记录各种空气污染物(包括二氧化氮),但它们的数量有限,因此限制了在高时空分辨率下地面二氧化氮的准确性。相反,卫星遥感数据测量的是全球范围内的二氧化氮密度。本文提出了一种卫星图像的数据清洗技术,因此迁移学习可以应用于下一步,以基于预训练残差网络50 (ResNet-50)的高空间分辨率估计卢森堡的二氧化氮浓度。
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引用次数: 1
Collectively Sharing Human Eyes and Ears as Smart City Digital Platforms 共享人的眼睛和耳朵作为智慧城市数字平台
Pub Date : 2022-09-26 DOI: 10.1109/ISC255366.2022.9922038
Risa Kimura, Tatsuoki Nakajima
This paper summarizes our ongoing project to develop two smart city platforms based on the sharing economy concept for collectively sharing human eyes and ears. After presenting an overview of our platforms, we describe diverse smart city services developed on the platforms and discuss some promising opportunities of the platforms. Finally, we show two suggestions for developing future innovative smart city services.
本文总结了我们正在进行的基于共享经济理念开发两个智慧城市平台的项目,以集体共享人类的眼睛和耳朵。在概述了我们的平台之后,我们描述了在平台上开发的各种智慧城市服务,并讨论了平台的一些有前景的机会。最后,提出了发展未来创新型智慧城市服务的两条建议。
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引用次数: 1
Divide and Survey: Observability Through Multi-Drone City Roadway Coverage 分测:多无人机城市道路覆盖的可观测性
Pub Date : 2022-09-26 DOI: 10.1109/ISC255366.2022.9922207
Huzeyfe Kocabas, Christopher Allred, Mario Harper
Deploying autonomous drone systems in smart cities to identify unexpected events and adapt rapidly to crises has a great potential for optimizing city operations and increasing city-wide situational awareness. This work presents an algorithmic technique, Postman Moving Voronoi Coverage (PMVC), which effectively distributes and plans coverage routes for each drone agent. PMVC divides city roadways into similarly sized subregions based on system limitations for many types of unmanned aerial vehicle (UAV). The findings describe trade-offs a city must make between drone types, number of systems, and the desired speed of city-wide road network traversal. Often, employing more low capacity drones are more cost and time effective for city coverage.
在智慧城市中部署自主无人机系统,以识别意外事件并快速适应危机,这对于优化城市运营和提高城市范围内的态势感知具有巨大潜力。这项工作提出了一种算法技术,邮递员移动Voronoi覆盖(PMVC),它有效地分配和规划了每个无人机代理的覆盖路线。PMVC基于多种类型无人机(UAV)的系统限制,将城市道路划分为大小相似的子区域。研究结果描述了一个城市必须在无人机类型、系统数量和城市范围内道路网络穿越的预期速度之间做出权衡。通常,使用更多的低容量无人机对城市覆盖更具成本和时间效益。
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引用次数: 1
期刊
2022 IEEE International Smart Cities Conference (ISC2)
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