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Добірка наукової літератури з теми "Building Operating System"

Автор: Grafiati
Опубліковано: 25 травня 2023

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Статті в журналах з теми "Building Operating System"

1

Jones, Brad, Peter Dahl, and John Stokes. "Greening Existing Buildings with the LEED Rating System." Journal of Green Building 4, no. 1 (February 1, 2009): 41–57. http://dx.doi.org/10.3992/jgb.4.1.41.

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When considering the current situation of the built environment it becomes readily apparent that the LEED for Existing Buildings Operations and Maintenance (LEED-EBOM) Rating System is the most important of all the LEED Rating Systems. Historically its adoption in the industry has lagged behind the better known LEED for New Construction Rating System. In the effort to create more efficient, healthy, and financially sound buildings, LEED-EBOM accounts for two significant classes of buildings: buildings certified under the LEED Rating Systems geared toward design and construction, and buildings not previously certified. LEED-EBOM is a tool to measure the impact of a building's operations and provide a means to track performance over time. This information allows stakeholders to make informed decisions about operating policies that support energy efficiency, reduced environmental impact, and comfortable spaces for the occupants of the building. This article presents statistics about the existing building stock, provides an overview of the LEED-EBOM Rating System, and offers examples of successful implementation strategies drawn from over a dozen projects certified through the LEED-EB Rating Systems.
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2

Qu, Hong Mei, and Xiao San Tao. "Application of Internet of Things in Monitoring System of Intelligent Building." Applied Mechanics and Materials 423-426 (September 2013): 2832–36. http://dx.doi.org/10.4028/www.scientific.net/amm.423-426.2832.

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Анотація:
The intelligent controlling system of intelligent building can apply Internet of Things (IoT) technologies for creating various controlling operations. The aim of this paper is the development of an intelligent monitoring system of intelligent building based on IoT. We introduce the working principle of the monitoring system, the hardware platform as well as its software collectivity frame. In addition, some key technologies for implement the monitoring system are described. The system can carry out various functions, such as fault detection, data processing, storage and alarming of the operating status parameters, querying history data, tracing real time instances by means of acquiring the operating status data from various testing sensors and the like. It also can record various types of operating parameters and send them to control platform by network. The system could effectively solve the problem of the monitoring and management of the operation tasks. Consequently it could greatly improve the efficiency of the management and controlling of the intelligent building.
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3

Jo, Hyeonseong, Jaehyun Nam, and Seungwon Shin. "NOSArmor: Building a Secure Network Operating System." Security and Communication Networks 2018 (2018): 1–14. http://dx.doi.org/10.1155/2018/9178425.

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Анотація:
Software-Defined Networking (SDN), controlling underlying network devices (i.e., data plane) in a logically centralized manner, is now actively adopted in many real world networking environments. It is clear that a network administrator can easily understand and manage his networking environments with the help of SDN. In SDN, a network operating system (NOS), also known as an SDN controller, is the most critical component because it should be involved in all transactions for controlling network devices, and thus the security of NOS cannot be highly exaggerated. However, in spite of its importance, no previous works have thoroughly investigated the security of NOS. In this work, to address this problem, we present the NOSArmor, which integrates several security mechanisms, named as security building block (SBB), into a consolidated SDN controller. NOSArmor consists of eight SBBs and each of them addresses different security principles of network assets. For example, while role-based authorization focuses on securing confidentiality of internal storage from malicious applications, OpenFlow protocol verifier protects availability of core service in the controller from malformed control messages received from switches. In addition, NOSArmor shows competitive performance compared to existing other controllers (i.e., ONOS, Floodlight) with secureness of network assets.
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4

Novelli, N. E., J. Shultz, M. Aly Etman, K. Phillips, M. M. Derby, P. R. H. S. Stark, M. Jensen, and A. H. Dyson. "System-Scale Modeling of a Building-Integrated, Transparent Concentrating Photovoltaic and Thermal Collector." Journal of Physics: Conference Series 2069, no. 1 (November 1, 2021): 012117. http://dx.doi.org/10.1088/1742-6596/2069/1/012117.

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Abstract The buildings sector is a principal contributor to global greenhouse gas emissions, but consistently falls short of targets for harnessing on-site energy resources towards sustainable operation. Emerging integrated solar technologies could transform buildings and urban settings into resilient, self-sufficient, and healthy environments. But if effects of these technologies are not understood in the multiple contexts in which they operate (human-scale, building-scale, district-scale), their potential is difficult to project. To explore building-scale metabolization of solar energy, a previously-developed analytical model of a Building Envelope-Integrated, Transparent, Concentrating Photovoltaic and Thermal collector (BITCoPT) was run to project electrical and thermal energy and exergy production (cogeneration) in a range of orientations and operating temperatures. Simulated annual cogeneration efficiency was noted at 27% (exergy) at an operating temperature of 55°C, and up to 55% (energy) at 25°C. Exergetic efficiency remained nearly constant as operating temperatures increased through 75°C, indicating the thermal energy collected would be some heat-engine-based applications. Although the scope of this study excludes broader architectural benefits of daylighting (lighting load reduction), and reduction of solar gains (cooling loads), these results suggest BITCoPT merits further investigation for on-site net-zero and energy-positive commercial building design, and might contribute to expanding net-zero and energy-positive architecture opportunities.
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5

KARTASHOVA, Alinya O., Daria O. KORTYAEVA, Ksenia E. KULYASOVA, and Anna A. TSYNAEVA. "STUDY OF SPLIT-SYSTEM IN HEATING MODE." Urban construction and architecture 5, no. 1 (February 15, 2015): 90–99. http://dx.doi.org/10.17673/vestnik.2015.01.14.

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Анотація:
In this article there is a study of the heat pump for heating the premises of a public building (academic building of Samara State University of Architecture and Civil Engineering). The aim of the work was to determine the parameters of the heat pump and the impact of his work on the microclimate parameters of heated space. As the heat pump was activated split-system, operating in the heating mode; analysis was performed changing the state of the working fluid (Freon-R410A) used in this split-system. The studies revealed that the use of the heat pump (split system, operating in heating mode) allows you to maintain optimum parameters of the indoor environment. With the help of the tests revealed that the use of split-system as a heating system reduces the inertia of the system to ensure the indoor environment. This leads to maintain a comfortable environment for human habitation when the external operating conditions typical of the autumn-spring period, and demonstrates the effectiveness of the use of split systems, the use of which may in residential and public buildings. Furthermore, was prepared a graph of the room temperature before and after the operation of a split system.
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6

Balasanian, G., O. Klymchuk, A. Semenii, Ye Babaiev, and L. Sachenko. "SIMULATION OF INTERMITTENT HEATING MODE OF THE EDUCATIONAL BUILDING." Odes’kyi Politechnichnyi Universytet Pratsi 2, no. 64 (2021): 22–27. http://dx.doi.org/10.15276/opu.2.64.2021.03.

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Анотація:
. The algorithm of operation of the heat supply system in the mode of intermittent heating which considers features of operation of the building is offered. The purpose of the work is to assess the effectiveness of the use of intermittent heating for the educational building of the thermal laboratory of the Odessa Polytechnic State University. Currently, a project is being implemented to disconnect heat supply from the University boiler room and transfer the building of the University's heating laboratory to autonomous heat supply based on a condensing wall-mounted gas boiler. The combined heating system with the use of different heating devices (radiators, fan coils, climate panel, “underfloor heating” system) allows to study the dynamics of heating the laboratory premises with different thermal insulation and shielding of external and internal walls. The factors of reduction of energy consumption in the mode of program heat supply are analyzed in the work. Modeling of modes of operation of the heat generator of the heat supply system operating in the mode of intermittent heating is executed. The mathematical model of dynamics of heating of air in rooms taking into account features of operating modes and various types of heating devices as a part of system of heat supply is offered. For different climatic conditions the mathematical modeling of operating modes of the heating system is carried out and indicators of efficiency of work of system are received. The potential of energy saving for administrative, educational, office buildings depending on the heat-accumulating properties of external and internal wall structures has been studied. The expediency of using the Pontryagin maximum principle to increase the efficiency of morning flooding of buildings with different ones has been confirmed. accumulation time constants.
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7

Grimshaw, A. S., and A. Natrajan. "Legion: Lessons Learned Building a Grid Operating System." Proceedings of the IEEE 93, no. 3 (March 2005): 589–603. http://dx.doi.org/10.1109/jproc.2004.842764.

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8

Geddes, Linda. "Building the most basic operating system for life." New Scientist 220, no. 2940 (October 2013): 29. http://dx.doi.org/10.1016/s0262-4079(13)62531-2.

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9

Haryani, Ariska Desy, Yatnanta Padma Devia, and Eva Arifi. "Evaluation of Natural Lighting System of Lecture Building." Rekayasa Sipil 15, no. 3 (October 30, 2021): 185–91. http://dx.doi.org/10.21776/ub.rekayasasipil.2021.015.03.4.

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Анотація:
Visual comfort is one of the most important things that building need. A building with a proper passive design obtains fulfill the users visual comfort through natural lighting  on the other hand, a passive design that is less precise always requires energy to achieve the users visual comfort. Lecture building is one of the buildings that is effectively used 8 hours a day and 5 days on a week. The high operating hours cause visual comfort in the building becomes very important. The purpose of this study is to determine the performance of the building passive design in terms of lighting to comprehend various visual problems in the building. The method used in this research is quantitative comparative by comparing the value of  building lighting. Through the results of field measurements, building modeling simulations with Ecotect software, and SNI 03-6197-2000 parameter  several problems were found in the building's natural lighting system such as inadequacy of lighting on the facade with a southwest orientation, enormous lighting on the facade with a northeast orientation, uneven lighting causing various visual discomforts.
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10

Sobiech, Marian. "The safe use of building installations." Bulletin of the Military University of Technology 66, no. 2 (July 3, 2017): 55–65. http://dx.doi.org/10.5604/01.3001.0010.1889.

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Анотація:
The article describes the issues of technical solutions to contemporary installations used in modern buildings. Technical characteristics of installation systems refer to various sources of heat for building heating and domestic hot water. Description of the technical installation solutions also presents available materials, such as pipes, shutoff valves, regulatory, safety, control and measurement, as well as circulation pumps. In reference to the applicable installation materials there are presented potential threats in operation of the system in the case of the absence of professional service and maintenance during building exploitation. Keywords: construction, heating and ventilation installations, exploitation, operating and maintenance, use
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Більше джерел

Дисертації з теми "Building Operating System"

1

Wang, Xiaolong. "A Secure Computing Platform for Building Automation Using Microkernel-based Operating Systems." Scholar Commons, 2018. https://scholarcommons.usf.edu/etd/7589.

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Анотація:
Building Automation System (BAS) is a complex distributed control system that is widely deployed in commercial, residential, industrial buildings for monitoring and controlling mechanical/electrical equipment. Through increasing industrial and technological advances, the control components of BAS are becoming increasingly interconnected. Along with potential benefits, integration also introduces new attack vectors, which tremendous increases safety and security risks in the control system. Historically, BAS lacks security design and relies on physical isolation and "security through obscurity". These methods are unacceptable with the "smart building" technologies. The industry needs to reevaluate the safety and security of the current building automation system, and design a comprehensive solution to provide integrity, reliability, and confidentiality on both system and network levels. This dissertation focuses on the system level in the effort to provide a reliable computing foundation for the devices and controllers. Leveraged on the preferred security features such as, robust modular design, small privilege code, and formal verifiability of microkernel architecture, this work describes a security enhanced operating system with built-in mandatory access control and a proxy-based communication framework for building automation controllers. This solution ensures policy-enforced communication and isolation between critical applications and non-critical applications in a potentially hostile cyber environment.
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2

Taboada, Orozco Adrian. "Distributed Knowledge in the Building Management Systems Architecture for Smart Buildings." Electronic Thesis or Diss., Bourgogne Franche-Comté, 2022. http://www.theses.fr/2022UBFCK114.

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L'avenir des villes est en jeu. Au cours des dernières décennies, la répartition de la population s'est considérablement modifiée. Depuis 1980, les modes de cohabitation sont remis en cause par le passage de l'exode rural à l'exode urbain. Les villes abritent désormais 60 % de la population mondiale. Cette concentration massive de personnes, sans anticipation, a entraîné une mauvaise connectivité, des transports inadaptés, une concentration de la pollution, une sécurité inadéquate et un gaspillage énergétique. Par conséquent, assurer la croissance durable des villes nécessite des ruptures technologiques évolutives qui doivent apporter une meilleure qualité de vie sans appauvrir les ressources. La principale préoccupation des villes est la gestion de la question énergétique, notamment dans les bâtiments, qui représentent 40 % d'énergie dans la consommation totale des villes. Cette thèse aborde le domaine émergent du Smart Building. L'objectif principal est de travailler vers le concept de Building Operating Systems (BOS). BOS est un système piloté par les données qui facilite et permet le développement d'applications orientées Bâtiment. Nos études ont identifié que le principal obstacle au développement du BOS est l'intégration des données et le manque de contexte dans un système de gestion du bâtiment (BMS) naturellement et physiquement dispersé. Le BMS est le système sous-jacent qui prend en charge les services dans le bâtiment, et sa compréhension de ses caractéristiques est fondamentale pour atteindre l'objectif principal de cette thèse. Les résultats de cette recherche servent de base pour concevoir l'approche principale appelée WITTYM. Elle vise à créer et diffuser des connaissances sur les bâtiments en tirant parti du Building Information Modeling (BIM) et d'autres sources de données hétérogènes (IoT). L'approche WITTYM est une conjonction d'ontologies, de connaissances et de méthodes de distribution. L'approche WITTYM est évaluée à travers des hypothèses de recherche sur des cas d'utilisation métiers. Les résultats ont montré une optimisation du BMS pour l'intégration des données, les applications, la sécurité et la réponse décisionnelle. Notre travail pose les bases de recherches futures et d'applications de systèmes à plusieurs niveaux dans les bâtiments intelligents
The future of cities is at stake. Over the previous few decades, the population distribution has shifted substantially. Since 1980, people's ways of cohabiting have been challenged by the change from rural to urban migration. Cities now hold 60 % of the world's population. This massive concentration of people has resulted in poor connectivity, ineffective transportation, pollution, inadequate security, and energy waste. As a result, ensuring the sustainable growth of cities necessitates scalable technological breakthroughs that must give quality of life while maximizing resources. The main concern in cities is dealing with energy waste, especially in buildings, which represent 40 % of energy in the total consumption of cities.Therefore, this thesis addresses the emergent Smart Building field. The main goal is to work toward the concept of Building Operating Systems (BOS). BOS is a data-driven system that facilitates and enables the development of applications. Our studies have identified that the main barrier to BOS development is the integration of data and lack of context in a naturally and physically dispersed Building Management System (BMS). BMS is the underlying system that supports services in Building, and its understanding of its features is fundamental to achieving the main goal of this thesis. Therefore, this thesis first reviews the Smart Building field and then focuses on the BMS architecture. The results of the review serve as the basis for conceiving the main approach of this thesis, which is the WITTYM Approach. It aims to create and distribute buildings' knowledge by leveraging Building Information Modeling (BIM) and other heterogeneous data sources. WITTYM Approach is a conjunction of Ontologies, Knowledge, and Distribution Methods. The WITTYM Approach is evaluated through research hypotheses over use cases. Results have shown an optimization of BMS for data integration, applications, security, and decision-making response. Our work sets the basis for further research and applications on BMS
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3

Jacobs, Pierre Conrad. "Towards a framework for building security operation centers." Thesis, Rhodes University, 2015. http://hdl.handle.net/10962/d1017932.

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Анотація:
In this thesis a framework for Security Operation Centers (SOCs) is proposed. It was developed by utilising Systems Engineering best practices, combined with industry-accepted standards and frameworks, such as the TM Forum’s eTOM framework, CoBIT, ITIL, and ISO/IEC 27002:2005. This framework encompasses the design considerations, the operational considerations and the means to measure the effectiveness and efficiency of SOCs. The intent is to provide guidance to consumers on how to compare and measure the capabilities of SOCs provided by disparate service providers, and to provide service providers (internal and external) a framework to use when building and improving their offerings. The importance of providing a consistent, measureable and guaranteed service to customers is becoming more important, as there is an increased focus on holistic management of security. This has in turn resulted in an increased number of both internal and managed service provider solutions. While some frameworks exist for designing, building and operating specific security technologies used within SOCs, we did not find any comprehensive framework for designing, building and managing SOCs. Consequently, consumers of SOCs do not enjoy a constant experience from vendors, and may experience inconsistent services from geographically dispersed offerings provided by the same vendor.
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4

Xiong, Yunjie. "A BIM-based Interoperability Platform in Support of Building Operation and Energy Management." Diss., Virginia Tech, 2020. http://hdl.handle.net/10919/97364.

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Анотація:
Building energy efficiency is progressively becoming a crucial topic in the architecture, engineering, and construction (AEC) sector. Energy management tools have been developed to promise appropriate energy savings. Building energy simulation (BES) is a tool mainly used to analyze and compare the energy consumption of various design/operation scenarios, while building automation systems (BAS) works as another energy management tool to monitor, measure and collect operational data, all in an effort to optimize energy consumption. By integrating the energy simulated data and actual operational data, the accuracy of a building energy model can be increased while the calibrated energy model can be applied as a benchmark for guiding the operational strategies. This research predicted that building information modeling (BIM) would link BES and BAS by acting as a visual model and a database throughout the lifecycle of a building. The intent of the research was to use BIM to document energy-related information and to allow its exchange between BES and BAS. Thus, the energy-related data exchange process would be simplified, and the productive efficiency of facility management processes would increase. A systematic literature review has been conducted in investigating the most popular used data formats and data exchange methods for the integration of BIM/BES and BAS, the results showed the industry foundation classes (IFC) was the most common choice for BIM tools mainly and database is a key solution for managing huge actual operational datasets, which was a reference for the next step in research. Then a BIM-based framework was proposed to supporting the data exchange process among BIM/BES/BAS. 4 modules including BIM Module, Operational Data Module, Energy Simulation Module and Analysis and Visualization Module with an interface were designed in the framework to document energy-related information and to allow its exchange between BES and BAS. A prototype of the framework was developed as a platform and a case study of an entire office suite was conducted using the platform to validate this framework. The results showed that the proposed framework enables automated or semi-automated multiple-model development and data analytics processes. In addition, the research explored how BIM can enhance the application of energy modeling during building operation processes as a means to improve overall energy performance and facility management productivity.
Doctor of Philosophy
Building energy efficiency is progressively becoming a crucial topic in the architecture, engineering, and construction (AEC) sector, promising appropriate energy savings can be achieved over the life cycle of buildings through proper design, construction, and operation. Energy management tools have been developed towards this end. Building energy simulation (BES) is a tool mainly used to analyze and compare the energy consumption of various design/operation scenarios. These instances include the selection of both new and retrofit designs and for building codes, building commissioning, and real-time optimal control, among others. The main challenge surrounding BES is the discrepancy between quantitative results and actual performance data. Building automation systems (BAS), or a part of BAS which is often referred to as building energy management systems (BEMS), works as another energy management tool to monitor, measure and collect operational data, all in an effort to optimize energy consumption. The key disadvantage to the more general tool of BAS in energy management is that the data sets collected by BAS are typically too large to be analyzed effectively. One potential solution to the lack of effective energy management analysis may lie in the integration of BES and BAS. Actual operational data can be compared with simulation results in assessing the accuracy of an energy model while the energy model can be applied as a benchmark for evaluating the actual energy consumption and optimizing control strategies. The presented research predicted that building information modeling (BIM) would link BES and BAS by acting as a visual model and a database throughout the lifecycle of a building. The intent of the research was to use BIM to document energy-related information and to allow its exchange between BES and BAS. Thus, the energy-related data exchange process would be simplified, and the productive efficiency of facility management processes would increase. More specifically, this research posits the framework of integrating BIM, BES, and BAS to produce a seamless and real-time energy-related information exchange system. The proposed framework enables automated or semi-automated multiple-model development and data analytics processes. In addition, the research explored how BIM can enhance the application of energy modeling during building operation processes as a means to improve overall energy performance and facility management productivity.
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5

Eghbalian, Amirmohammad. "Data mining techniques for modeling the operating behaviors of smart building control valve systems." Thesis, Blekinge Tekniska Högskola, Institutionen för datavetenskap, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-20102.

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Анотація:
Background. One of the challenges about smart control valves system is processing and analyzing sensors data to extract useful information. These types of information can be used to detect the deviating behaviors which can be an indication of faults and issues in the system. Outlier detection is a process in which we try to find these deviating behaviors that occur in the system.Objectives. First, perform a literature review to get an insight about the machine learning (ML) and data mining (DM) techniques that can be applied to extract patternfrom time-series data. Next, model the operating behaviors of the control valve system using appropriate machine learning and data mining techniques. Finally,evaluate the proposed behavioral models on real world data.Methods. To have a better understanding of the different ML and DM techniques for extracting patterns from time-series data and fault detection and diagnosis of building systems, literature review is conducted. Later on, an unsupervised learning approach is proposed for modeling the typical operating behaviors and detecting the deviating operating behaviors of the control valve system. Additionally, the proposed method provides supplementary information for domain experts to help them in their analysis.Results. The outcome from modeling and monitoring the operating behaviors ofthe control valve system are analyzed. The evaluation of the results by the domain experts indicates that the method is capable of detecting deviating or unseen operating behaviors of the system. Moreover, the proposed method provides additional useful information to have a better understanding of the obtained results.Conclusions. The main goal in this study was achieved by proposing a method that can model the typical operating behaviors of the control valve system. The generated model can be used to monitor the newly arrived daily measurements and detect the deviating or unseen operating behaviors of the control valve system. Also, it provides supplementary information that can help domain experts to facilitate and reduce the time of analysis.
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6

Sakr, Wafa. "Impact of ventilation system operation and building products on perceived indoor air quality." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0005/MQ43651.pdf.

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7

Rhoads, William J. "Growth of Opportunistic Pathogens in Domestic Plumbing: Building Standards, System Operation, and Design." Diss., Virginia Tech, 2017. http://hdl.handle.net/10919/76653.

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Анотація:
Understanding and limiting public health threats resulting from exposure to opportunistic pathogens (OPs) in domestic water (i.e., hot/cold water for human use) will be one of the grand challenges for water safety in the 21st century. This dissertation anticipates some of the complexities in balancing stakeholder goals and developing building standards to limit OP growth, and advances scientific understanding of OP survival and proliferation in domestic plumbing systems. In a cross-sectional survey of water- and energy-efficient buildings, domestic water age ranged from 8 days to 6 months and resulted in pH and temperature fluctuations, rapid disinfectant residual decay up to 144 times faster than municipal water delivered to the buildings, and elevated levels of OP gene markers. This motivates future work to determine how to maintain high quality and safe water while preserving the sustainability goals of these cutting-edge buildings. Head-to-head pilot-scale experiments examining OP growth in recirculating hot water systems revealed that elevated temperature had an overarching inhibitory effect on L. pneumophila growth where temperatures were maintained. However, control was undermined in distal branches, especially when density-driven convective mixing gradients maintained ideal growth temperatures and delivered nutrients to the otherwise stagnant branches. These results resolve discrepancies reported in the literature regarding the effects of flow, and identify important system design and operational conditions that facilitate OP growth. Advancements were also made in understanding how corrosion can trigger OP growth. In Flint, MI, corrosive Flint River water damaged iron pipes, releasing iron nutrients, consuming chlorine residual, and supporting high levels of L. pneumophila in large building systems. This likely triggered two unprecedented clusters of Legionnaire's disease. In pilot-scale systems, copper released from copper pipes, but not dosed as soluble cupric, triggered release of >1,100 times more H2 into the water due to deposition corrosion. The organic carbon fixed by autotrophic hydrogen oxidation has the potential to facilitate OP growth, but more work is needed to understand the limits of this mechanism. Finally, well-controlled laboratory experiments confirmed past reports from field surveys that the use of chloramines trigger a trade-off between controlling Legionella and allowing non-tuberculous Mycobacteria to persist.
Ph. D.
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8

Halvarsson, Johan. "Occupancy Pattern in Office Buildings : Consequences for HVAC system design and operation." Doctoral thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for energi- og prosessteknikk, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-16458.

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The main objectives with the work presented in this thesis have been: (a) to contribute to an increased understanding of the consequences that the occupancy pattern can have on the indoor climate and for Heating, Ventilation and Air Conditioning (HVAC) system design and operation; and (b) to investigate how typical occupancy patterns can look like in office buildings. The occupancy pattern in an office is a function of the floor layout of the building, and the user organisation(s) occupying it and their way of working. The combination of these two, will decide how the users occupy the building, which in turn is an important design prerequisite/constraint for the HVAC system design process. There are many assessments related to indoor climate and HVAC that involve considerations of the occupancy pattern, reaching from estimates of internal heat and pollution loads to deciding on an appropriate control strategy of HVAC systems, or estimating the energy saving potential with demand controlled ventilation. A few numerical measures have been used to describe different aspects of the occupancy pattern. The zone based occupancy factor (OFz) expresses the ratio between the number of occupied sub-zones/rooms in a zone and the total number of sub-zones/rooms in the zone. OFz does not take the number of people into account, only whether a sub-zone/room is occupied or unoccupied. OFz can be used both to express instantaneous occupancy levels and averages over time. Superscript is used to specify the time, or time period, that the measure refers to. For instance, 06 18,wd OFz _ means the average OFz between 6 a.m. and 6 p.m. on working days, while the 95th percentile of OFz6_18,wd , means the 95th percentile of all instantaneous values (one or five minute averages in the case studies) of OFz that have occurred during the same time period. The utilisation rate (UR) expresses the fraction of time that a room is occupied, within a specific time period. It is important to distinguish between the actual occupancy state of a room (occupied or unoccupied) and the detected occupancy state, which is the one monitored in case buildings presented in this thesis. The detected occupancy state can differ from the actual occupancy state, because of false-detection and time-delay of the detector. The OFF-delay (TD-OFF) is the time from the last detected motion occurred until the detector changes the output signal, and the zone is recorded as unoccupied in connection with logging. It is however possible to make some corrections regarding TD-OFF to estimate the actual occupancy levels. Based on a literature study, it can be concluded that there is a need for more empirical basic data on occupancy in offices, with measurements from a wide spectre of organisations. In particular, detailed data describing variations between zones/rooms in one and the same building and short- and long-term fluctuations are very limited. In addition, there is a lack of data on peak, or close to peak, occupancy rates, relevant for HVAC system design. Occupancy has been monitored in room samples from eleven organisations in five Norwegian office buildings. The data set contained 247 office cells and 16 meeting rooms. The case studies indicated that 06 18,wd OFz _06 18,wd with 20 minutes TD-OFF and actual occupancy during working hours ( 8 17,wd OFz _8 17,wd) for one-person cellular offices is on average around 0.4, and somewhere between 0.2 and 0.6 for most Norwegian organisations. There is a large variation in utilisation rates for meeting rooms, with UR6_18,wd ranging from 0.1 to 0.7. Furthermore, the case studies indicate that in a zone with more than 10 office cells, we can expect roughly the following close to peak levels of OFz6_18,wd , with 20 minutes TD-OFF: between 0.5 and 1.0 for the 98th percentile and between 0.45 and 0.95 for the 95th percentile.
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Al-Hussein, Maria. "An information model to support maintenance and operation management of building mechanical systems." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ59293.pdf.

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Cho, Hee Jin. "DYNAMIC SIMULATION AND OPTIMAL REAL-TIME OPERATION OF CHP SYSTEMS FOR BUILDINGS." MSSTATE, 2009. http://sun.library.msstate.edu/ETD-db/theses/available/etd-03312009-144452/.

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Combined Cooling, Heating, and Power (CHP) systems have been widely recognized as a key alternative for electric and thermal energy generation because of their outstanding energy efficiency, reduced environmental emissions, and relative independence from centralized power grids. The systems provide simultaneous onsite or near-site electric and thermal energy generation in a single, integrated package. As CHP becomes increasingly popular worldwide and its total capacity increases rapidly, the research on the topics of CHP performance assessment, design, and operational strategy become increasingly important. Following this trend of research activities to improve energy efficiency, environmental emissions, and operational cost, this dissertation focuses on the following aspects: (a) performance evaluation of a CHP system using a transient simulation model; (b) development of a dynamic simulation model of a power generation unit that can be effectively used in transient simulations of CHP systems; (c) investigation of real-time operation of CHP systems based on optimization with respect to operational cost, primary energy consumption, and carbon dioxide emissions; and (d) development of optimal supervisory feed-forward control that can provide realistic real-time operation of CHP systems with electric and thermal energy storages using short-term weather forecasting. The results from a transient simulation of a CHP system show that technical and economical performance can be readily evaluated using the transient model and that the design, component selection, and control of a CHP system can be improved using this model. The results from the case studies using optimal real-time operation strategies demonstrate that CHP systems with an energy dispatch algorithm have the potential to yield savings in operational cost, primary energy consumption, and carbon dioxide emissions with respect to a conventional HVAC system. Finally, the results from the case study using a supervisory feed-forward control system illustrate that optimal realistic real-time operation of CHP systems with electric and thermal energy storages can be managed by this optimal control using weather forecasting information.
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Книги з теми "Building Operating System"

1

Building clustered Linux systems. Upper Saddle River, NJ: Prentice Hall PTR, 2005.

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Linux clustering: Building and maintaining Linux clusters. Indianapolis, Ind: New Riders, 2003.

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Live Linux CDs: Building and customizing bootables. Upper Saddle River, NJ: Prentice Hall, 2007.

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1964-, Kraft George, ed. Building applications with the Linux standard base. Upper Saddle River, NJ: IBM Press, 2005.

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Sonnenreich, Wes. Building Linux and OpenBSD firewalls. New York: Wiley, 2000.

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Silverberg, Israel. Building UNIX System V software. Englewood Cliffs, N.J: PTR Prentice Hall, 1994.

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Karim, Yaghmour, ed. Building embedded Linux systems. 2nd ed. Bejing: O'Reilly, 2008.

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Karim, Yaghmour, ed. Building Embedded Linux Systems. 2nd ed. Bejing: O'Reilly, 2008.

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Building embedded Linux systems. Beijing: O'Reilly, 2003.

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Yaghmour, Karim. Building embedded Linux systems. Beijing: O'Reilly, 2003.

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Частини книг з теми "Building Operating System"

1

Holt, Alan, and Chi-Yu Huang. "Building an Embedded System (First Pass)." In Embedded Operating Systems, 71–85. London: Springer London, 2014. http://dx.doi.org/10.1007/978-1-4471-6603-0_4.

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Holt, Alan, and Chi-Yu Huang. "Building an Embedded System (Second Pass)." In Embedded Operating Systems, 87–114. London: Springer London, 2014. http://dx.doi.org/10.1007/978-1-4471-6603-0_5.

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Holt, Alan, and Chi-Yu Huang. "Building an Embedded System (First Pass)." In Embedded Operating Systems, 101–13. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-72977-0_5.

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Holt, Alan, and Chi-Yu Huang. "Building an Embedded System (Second Pass)." In Embedded Operating Systems, 115–49. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-72977-0_6.

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Jaeger, Trent. "Case Study: Building a Secure Operating System for Linux." In Operating System Security, 121–40. Cham: Springer International Publishing, 2008. http://dx.doi.org/10.1007/978-3-031-02333-0_9.

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6

Rice, Chris, and Andre Fuetsch. "The Network Operating System: VNF Automation Platform." In Building the Network of the Future, 103–36. Boca Raton : Taylor & Francis, CRC Press, 2017.: Chapman and Hall/CRC, 2017. http://dx.doi.org/10.1201/9781315208787-7.

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7

Susheel, A., and S. Selvendran. "Building a Kernel Image of RTEMS on Host Operating System." In Advances in Intelligent Systems and Computing, 273–79. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-5029-4_22.

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Goscinski, Andrzej, and Michael Hobbs. "Experiences Gained from Building a Services-Based Distributed Operating System." In Algorithms and Architectures for Parallel Processing, 225–34. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-13136-3_23.

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Shen, Qiong, Yan-bo Ni, and Qi-hong Zhou. "Design of the man–machine interface for the operating system of two-for-one twister." In Green Building, Environment, Energy and Civil Engineering, 59–64. Taylor & Francis Group, 6000 Broken Sound Parkway NW, Suite 300, Boca Raton, FL 33487-2742: CRC Press, 2016. http://dx.doi.org/10.1201/9781315375106-14.

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Hjalmarsson, Dan. "Building Local Innovation Support Systems: Theory and Practice." In International Studies in Entrepreneurship, 95–109. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-94273-1_6.

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AbstractInterest in innovation as a way of meeting societal challenges is increasing. Interest in different types of public innovation support is therefore increasing as well. Umeå University has many years of experience in developing and operating a well-functioning innovation support system. A common theme is to offer project owners creative arenas as context for entrepreneurial judgments and assessments during the various steps of the innovation process. Improved program theories are needed to enable evaluations that provide feedback, learning, and accountability.
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Тези доповідей конференцій з теми "Building Operating System"

1

David, Francis M., and Roy H. Campbell. "Building a Self-Healing Operating System." In Third IEEE International Symposium on Dependable, Autonomic and Secure Computing (DASC 2007). IEEE, 2007. http://dx.doi.org/10.1109/dasc.2007.22.

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David, Francis M., and Roy H. Campbell. "Building a Self-Healing Operating System." In Third IEEE International Symposium on Dependable, Autonomic and Secure Computing (DASC 2007). IEEE, 2007. http://dx.doi.org/10.1109/isdasc.2007.4351383.

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Härtig, Hermann. "Building blocks for an exa-scale operating system." In the 4th International Workshop. New York, New York, USA: ACM Press, 2014. http://dx.doi.org/10.1145/2612262.2627355.

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4

Zhu, Dexuan, Peng Wang, Xiaoqing Han, and Wenping Qin. "Distributed lift operating control in building lift system." In 2015 IEEE International Conference on Information and Automation (ICIA). IEEE, 2015. http://dx.doi.org/10.1109/icinfa.2015.7279701.

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5

Heidemann, John, Fabio Silva, Chalermek Intanagonwiwat, Ramesh Govindan, Deborah Estrin, and Deepak Ganesan. "Building efficient wireless sensor networks with low-level naming." In SOSP01: 18th Symposium on Operating System Principles. New York, NY, USA: ACM, 2001. http://dx.doi.org/10.1145/502034.502049.

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6

Spalink, Tammo, Scott Karlin, Larry Peterson, and Yitzchak Gottlieb. "Building a robust software-based router using network processors." In SOSP01: 18th Symposium on Operating System Principles. New York, NY, USA: ACM, 2001. http://dx.doi.org/10.1145/502034.502056.

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7

Uno, Yoshitaka. "Operating Performance Simulation of Auto-tuning Feed-forward in Temperature Control of Hydronic Heating System in Residential Building." In 2017 Building Simulation Conference. IBPSA, 2017. http://dx.doi.org/10.26868/25222708.2017.057.

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8

Maatta, Kalle, Jari Rehu, Hannu Tanner, and Klaus Kansala. "Building intelligence — Home operating system for smart monitoring and control." In 2017 IEEE International Conference on Electro Information Technology (EIT). IEEE, 2017. http://dx.doi.org/10.1109/eit.2017.8053363.

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9

Mehanovic, Almir, Thomas Heine Rasmussen, and Mikkel Baun Kjargaard. "Brume - A Horizontally Scalable and Fault Tolerant Building Operating System." In 2018 IEEE/ACM Third International Conference on Internet-of-Things Design and Implementation (IoTDI). IEEE, 2018. http://dx.doi.org/10.1109/iotdi.2018.00018.

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10

Sun Weijun, Sun Weijun, Zhang Defen, Zhang Defen, Yan Yu-Qing, and Yan Yu-Qing. "Building Web-based e-learning application for operating system course." In 2nd International Symposium on Information Technologies and Applications in Education (ISITAE 2008). IEE, 2008. http://dx.doi.org/10.1049/ic:20080244.

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Звіти організацій з теми "Building Operating System"

1

Pachuta, Sean, Jesse Dean, Alicen Kandt, and Khanh Nguyen Cu. Field Validation of a Building Operating System Platform. Office of Scientific and Technical Information (OSTI), August 2022. http://dx.doi.org/10.2172/1885699.

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2

Garlick, J. E., and C. M. Dunlap. Building CHAOS: An Operating System for Livermore Linux Clusters. Office of Scientific and Technical Information (OSTI), February 2003. http://dx.doi.org/10.2172/15003391.

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3

Clausen, Jay, D. Moore, K. Miller, and L. Haines-Ecklund. VI preferential pathways of a large government building. Engineer Research and Development Center (U.S.), February 2022. http://dx.doi.org/10.21079/11681/43260.

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Trichloroethylene (TCE) releases from leaks and spills next to a large government building occurred over several decades with the most recent event occurring 20 years ago. In response to a perceived conventional vapor intrusion (VI) issue a sub-slab depressurization system (SSDS) was installed 6 years ago. The SSDS is operating within design limits and has achieved building TCE vapor concentration reductions. However, subsequent periodic TCE vapor spikes based on daily HAPSITE™ measurements indicate additional source(s). Two rounds of smoke tests conducted in 2017 and 2018 involved introduction of smoke into a sanitary sewer and storm drain manholes located on effluent lines coming from the building until smoke was observed exiting system vents on the roof. Smoke testing revealed many leaks in both the storm sewer and sanitary sewer systems within the building. Sleuthing of the VI source term using a portable HAPSITE™ indicate elevated vapor TCE levels correspond with observed smoke emanation from utility lines. Sleuthing activities also found building roof materials explain some of the elevated TCE levels on the 2nd floor. Installation of an external blower in the roof truss space has greatly reduced TCE levels. Preferential VI pathways and unexpected source terms may be overlooked mechanisms as compared to conventional VI.
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4

Bush, Joseph, Eileen Westervelt, Brian Clark, David Schwenk, Stephen Briggs, Daniel Shepard, Michael Cary Long, Tapan Patel, Melanie Johnson, and Eric Lynch. Installation utility monitoring and control system technical guide. Engineer Research and Development Center (U.S.), August 2022. http://dx.doi.org/10.21079/11681/45081.

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Army policy calls for each installation to install a building automation system (aka utility monitoring and control system [UMCS]) to provide for centralized monitoring of buildings and utilities to reduce energy and water commodity and maintenance costs. Typically, the UMCS, including building control systems (BCS), is installed and expanded in piecemeal fashion resulting in intersystem incompatibilities. The integration of multivendor BCSs into a single basewide UMCS, and subsequent UMCS operation, can present technical and administrative challenges due to its complexity and cybersecurity requirements. Open Control Systems technology and open communications protocols, including BACnet, LonWorks, and Niagara Framework, help overcome technical incompatibilities. Additional practical considerations include funding, control systems commissioning, staffing, training, and the need for a commitment to proper operation, use, and sustainment of the UMCS. This document provides guidance to Army installations to help achieve a successful basewide UMCS through its full life cycle based on DoD criteria and technical requirements for Open Control Systems and cybersecurity. It includes institutional knowledge on technical solutions and business processes amassed from decades of collaboration with Army installations and learned from and with their staff. Detailed activities spanning both implementation and sustainment include planning, procurement, installation, integration, cybersecurity authorization, and ongoing management.
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5

Clausen, Jay, D. Moore, L. Cain, and K. Malinowski. VI preferential pathways : rule or exception. Engineer Research and Development Center (U.S.), July 2021. http://dx.doi.org/10.21079/11681/41305.

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Trichloroethylene (TCE) releases from leaks and spills next to a large government building occurred over several decades with the most recent event occurring 20 years ago. In response to a perceived conventional vapor intrusion (VI) issue a sub-slab depressurization system (SSDS) was installed 6 years ago. The SSDS is operating within design limits and has achieved building TCE vapor concentration reductions. However, subsequent periodic TCE vapor spikes based on daily HAPSITE™ measurements indicate additional source(s). Two rounds of smoke tests conducted in 2017 and 2018 involved introduction of smoke into a sanitary sewer and storm drain manholes located on effluent lines coming from the building until smoke was observed exiting system vents on the roof. Smoke testing revealed many leaks in both the storm sewer and sanitary sewer systems within the building. Sleuthing of the VI source term using a portable HAPSITE™ indicate elevated vapor TCE levels correspond with observed smoke emanation from utility lines. In some instances, smoke odors were perceived but no leak or suspect pipe was identified suggesting the odor originates from an unidentified pipe located behind or enclosed in a wall. Sleuthing activities also found building roof materials explain some of the elevated TCE levels on the 2nd floor. A relationship was found between TCE concentrations in the roof truss area, plenum space above 2nd floor offices, and breathing zone of 2nd floor offices. Installation of an external blower in the roof truss space has greatly reduced TCE levels in the plenum and office spaces. Preferential VI pathways and unexpected source terms may be overlooked mechanisms as compared to conventional VI.
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6

Unzeta, Bruno Bueno, Jan de Boer, Ruben Delvaeye, Nikodem Derengowski, Bertrand Deroisy, Marc Fontoynont, Daniel Neves Pimenta, Per Reinhold, Sophie Stoffer, and Robert Weitlaner. Review of new systems and trends. IEA SHC Task 61, October 2021. http://dx.doi.org/10.18777/ieashc-task61-2021-0010.

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Innovative and integrative lighting solutions are a rapidly developing trend among BMS manufacturers. They are being implemented in various systems from industry-leading firms, however they are met with a challenge of finding the best possible compromise between occupant expectations and optimization of building operation.
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Andersen, Michael, David Culler, Hyung-Sin Kim, Raluca Popa, Gabe Fierro, Sam Kumar, Moustafa AbdelBaky, et al. Hamilton: Flexible, Open Source $10 Wireless Sensor System for Energy Efficient Building Operation. Office of Scientific and Technical Information (OSTI), June 2021. http://dx.doi.org/10.2172/1798959.

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8

Anderton, Gary, Ernest Berney, John Newman, Travis Mann, Chad Gartrell, and Daniel Miller. Joint Rapid Airfield Construction (JRAC) Program 2004 Demonstration Project--Fort Bragg, North Carolina. Engineer Research and Development Center (U.S.), March 2021. http://dx.doi.org/10.21079/11681/40139.

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This report describes the demonstration of technologies and procedures developed during April 2002 and May 2004 under the Joint Rapid Airfield Construction (JRAC) Program. The demonstration took place at Sicily Landing Zone (LZ) at Fort Bragg, NC, in July of 2004. The objective of the exercise was to demonstrate the procedures and technologies developed under the JRAC Program by rapidly building two parking aprons capable of supporting C-130 transport aircraft taxiing and parking operations. The exercise was conducted under continuous 24-hr operations to simulate a real-world rapid construction environment. Apron 1 (north apron) was constructed using two technologies, one-half being ACE™ Matting and the other half being a cement-polymer stabilized soil surface. Apron 2 (south apron) was constructed solely of a fiber-cement-stabilized soil system. Both aprons were treated with a polymer emulsion surface application to form a sealed surface against abrasion and water infiltration. The entire construction of both aprons required 76 hr, with Apron 1 finished in 48 hr. The construction of Apron 1 was validated by operation of a C-130 aircraft approximately 31 hr after completion with success and high praises from the aircraft flight crew on the stability and surface of the apron, as well as its dust-abating characteristics.
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9

Yue, Yunfeng. The Value of Unmanned Aerial Systems for Power Utilities in Developing Asia. Asian Development Bank, July 2021. http://dx.doi.org/10.22617/wps210213-2.

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Unmanned aerial systems (UAS) such as drones are increasingly being used to automate the planning, building, and maintenance of energy facilities around the world. The effectiveness of UAS and digital technologies are transforming energy sector operations to be faster, safer, and more cost-efficient. This working paper introduces UAS and discusses the latest technological developments as well as current applications. It also assesses the feasibility of UAS adoption in developing Asia’s power sector.
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10

Doo, Johnny. Unsettled Issues Concerning eVTOL for Rapid-response, On-demand Firefighting. SAE International, August 2021. http://dx.doi.org/10.4271/epr2021017.

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Recent advancements of electric vertical take-off and landing (eVTOL) aircraft have generated significant interest within and beyond the traditional aviation industry, and many novel applications have been identified and are in development. One promising application for these innovative systems is in firefighting, with eVTOL aircraft complementing current firefighting capabilities to help save lives and reduce fire-induced damages. With increased global occurrences and scales of wildfires—not to mention the issues firefighters face during urban and rural firefighting operations daily—eVTOL technology could offer timely, on-demand, and potentially cost-effective aerial mobility capabilities to counter these challenges. Early detection and suppression of wildfires could prevent many fires from becoming large-scale disasters. eVTOL aircraft may not have the capacity of larger aerial assets for firefighting, but targeted suppression, potentially in swarm operations, could be valuable. Most importantly, on-demand aerial extraction of firefighters can be a crucial benefit during wildfire control operations. Aerial firefighter dispatch from local fire stations or vertiports can result in more effective operations, and targeted aerial fire suppression and civilian extraction from high-rise buildings could enhance capabilities significantly. There are some challenges that need to be addressed before the identified capabilities and benefits are realized at scale, including the development of firefighting-specific eVTOL vehicles; sense and avoid capabilities in complex, smoke-inhibited environments; autonomous and remote operating capabilities; charging system compatibility and availability; operator and controller training; dynamic airspace management; and vehicle/fleet logistics and support. Acceptance from both the first-responder community and the general public is also critical for the successful implementation of these new capabilities. The purpose of this report is to identify the benefits and challenges of implementation, as well as some of the potential solutions. Based on the rapid development progress of eVTOL aircraft and infrastructures with proactive community engagement, it is envisioned that these challenges can be addressed soon. NOTE: SAE EDGE™ Research Reports are intended to identify and illuminate key issues in emerging, but still unsettled, technologies of interest to the mobility industry. The goal of SAE EDGE™ Research Reports is to stimulate discussion and work in the hope of promoting and speeding resolution of identified issues. These reports are not intended to resolve the challenges they identify or close any topic to further scrutiny.
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