Готові списки джерел за темами / Smart remote terminal unit

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Добірка наукової літератури з теми "Smart remote terminal unit"

Автор: Grafiati

Опубліковано: 10 січня 2023

Оновлено: 28 січня 2023

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Статті в журналах з теми "Smart remote terminal unit"

Jang, Sang-Bok, Ho-Hyun Lee, Sung-Taek Hong, and Myung-Geun Chun. "Development of Smart Remote Terminal Unit for Water Treatment SCADA System." Journal of the Korean Institute of Illuminating and Electrical Installation Engineers 28, no. 2 (February 28, 2014): 24–30. http://dx.doi.org/10.5207/jieie.2014.28.2.024.

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Patino, Diego Alejandro, and Andres Eduardo Nieto Vallejo. "Scale Prototype Ring Main Unit for the Measurement and Control of Nodes in a Smart Grid." Revista Politécnica 14, no. 26 (June 2018): 113–24. http://dx.doi.org/10.33571/rpolitec.v14n26a10.

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Smart grids are playing a key role in modern electric power grids, improving load control, assuring safer operations and collecting valuable information of the electrical conditions of the grid. In a smart grid, a RTU (Remote Terminal Unit) is a device that is able to measure the electric variables of the grid and sends all the information to a MTU (Master Terminal Unit), which is responsible of controlling the operations of the grid. RMU (Ring Main Unit) devices are used in electric power grids to protect loads and to disconnect them in case of failure to prevent damage. This article presents the design of a special RMU capable of measuring voltage, current and frequency, detecting electric faults, and making automatic self-healing in order to manage the flow of energy in the smart grid to guarantee energy supply to the critical loads (hospitals). The RMU devices were installed on a scaled smart grid in order to show its operation capabilities.

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Han, Guo Zheng. "Harmonization of Feeder Terminal Unit Information Model Based on IEC 61850 and IEC 61968/61970." Applied Mechanics and Materials 411-414 (September 2013): 1787–90. http://dx.doi.org/10.4028/www.scientific.net/amm.411-414.1787.

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The feeder terminal unit (FTU) is a kind of distribution remote terminal unit along distribution feeders and communication with master stations (MS) in control centre. IEC 61970/61968/61850 are three important standard for smart grid. IEC 61850 logical nodes are used for FTUs information model, and IEC 61970/61968 common information model (CIM) are using in MS. To realizing seamless access FTUs to MS, harmonization of IEC 61850 and IEC 61968/61970 are studied. The status information (such as position of switch) and measurement information (such as current, voltage) are realizing mapping from IEC 61850 to IEC 61968/61970. So, the seamless communication between the master station and FTU is realized.

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Chih, Hsin-Ching, Wei-Chen Lin, Wei-Tzer Huang, and Kai-Chao Yao. "Implementation of EDGE Computing Platform in Feeder Terminal Unit for Smart Applications in Distribution Networks with Distributed Renewable Energies." Sustainability 14, no. 20 (October 12, 2022): 13042. http://dx.doi.org/10.3390/su142013042.

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Under the plan of net-zero carbon emissions in 2050, the high penetration of distributed renewable energies in distribution networks will cause the operation of more complicated distribution networks. The development of edge computing platforms will help the operator to monitor and compute the system status timely and locally, and it can ensure the security operation of the system. In this paper, a novel EDGE computing platform that is implemented by a graphics processing unit in the existing feeder terminal unit (FTU) is proposed for smart applications in distribution networks with distributed renewable energies and loads. This platform makes timely forecasts of the feeder status for the next seven days in accordance with historical weather, sun, and loading data. The forecast solver uses the machine learning long short-term memory (LSTM) method. Thereafter, the power calculation analyzers transform feeder topology into the circuit model for transient-state, steady-state, and symmetrical component analyses. An important-factor explainer parses the LSTM model into the concise value of each historical datum. All information transports to remote devices via the internet for the real-time monitor feature. The software stack of the EDGE platform consists of the database archive file system, time-series forecast solver, power flow analyzers, important-factor explainer, and message queuing telemetry transport (MQTT) protocol communication. All open-source software packages, such as SQLite, LSTM, ngspyce, Shapley Additive Explanations, and Paho-MQTT, form the aforementioned function. The developed EDGE forecast and power flow computing platform are helpful for achieving FTU becoming an Internet of Things component for smart operation in active distribution networks.

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Raghavendra, P., Ramakrishna S. S. Nuvvula, Polamarasetty P. Kumar, Dattatraya N. Gaonkar, A. Sathoshakumar, and Baseem Khan. "Voltage Profile Analysis in Smart Grids Using Online Estimation Algorithm." Journal of Electrical and Computer Engineering 2022 (October 10, 2022): 1–9. http://dx.doi.org/10.1155/2022/9921724.

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Voltage rise is the main obstacle to prevent the increase of distributed generators (DGs) in low-voltage (LV) distribution grids. In order to maintain the power quality and voltage levels within the tolerance limit, new measurement techniques and intelligent devices along with digital communications should be used for better utilization of the distribution grid. This paper presents a real-time sensor-based online voltage profile estimation technique and coordinated Volt/VAR control in smart grids with distributed generator interconnection. An algorithm is developed for voltage profile estimation using real-time sensor remote terminal unit (RTU) which takes into account topological characteristics, such as radial structure and high R/X ratio, of the smart distribution grid with DG systems. A coordinated operation of multiple generators with on-load tap changing (OLTC) transformer for Volt/VAR control in smart grids has been presented. Direct voltage sensitivity analysis is used to select a single DG system for reactive power support in multi-DG environment. The on-load tap changing transformer is employed for voltage regulation when generators’ reactive power contributions are not enough to regulate the voltages. Simulation results show that the reported method is capable of maintaining voltage levels within the tolerance limit by coordinated operation of DG systems and on-load tap changing transformer.

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Ginocchi, Mirko, Amir Ahmadifar, Ferdinanda Ponci, and Antonello Monti. "Application of a Smart Grid Interoperability Testing Methodology in a Real-Time Hardware-In-The-Loop Testing Environment." Energies 13, no. 7 (April 2, 2020): 1648. http://dx.doi.org/10.3390/en13071648.

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Interoperability testing is widely recognized as a key to achieve seamless interoperability of smart grid applications, given the complex nature of modern power systems. In this work, the interoperability testing methodology proposed by the European Commission Joint Research Centre is applied to a specific use case in the context of smart grids. The selected use case examines a flexibility activation mechanism in a power grid system and includes DSO SCADA, Remote Terminal Unit and flexibility source, interacting to support a voltage regulation service. The adopted test bed consists of a real-time power grid simulator, a communication network emulator and use case actors’ models in a hardware-in-the-loop setup. The breakdown of the interoperability testing problem is accomplished by mapping the use case to the SGAM layers, specifying the Basic Application Profiles together with the Basic Application Interoperability Profiles (BAIOPs) and defining the design of experiments to carry out during the laboratory testing. Furthermore, the concepts of inter- and intra-BAIOP testing are formalized to reflect complementary interests of smart grid stakeholders. Experimental results prove the applicability of the methodology for testing the interoperability of large-scale and complex smart grid systems and reveal interesting features and possible pitfalls which should be considered when investigating the parameters responsible for the disruption of a system interoperability.

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Zhang, Tingting, Lingjie Xie, Junyan Li, Zheguan Huang, Hao Lei, Yina Liu, Zhen Wen, Yonglin Xie, and Xuhui Sun. "All-in-One Self-Powered Human–Machine Interaction System for Wireless Remote Telemetry and Control of Intelligent Cars." Nanomaterials 11, no. 10 (October 14, 2021): 2711. http://dx.doi.org/10.3390/nano11102711.

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The components in traditional human–machine interaction (HMI) systems are relatively independent, distributed and low-integrated, and the wearing experience is poor when the system adopts wearable electronics for intelligent control. The continuous and stable operation of every part always poses challenges for energy supply. In this work, a triboelectric technology-based all-in-one self-powered HMI system for wireless remote telemetry and the control of intelligent cars is proposed. The dual-network crosslinking hydrogel was synthesized and wrapped with functional layers to fabricate a stretchable fibrous triboelectric nanogenerator (SF-TENG) and a supercapacitor (SF-SC), respectively. A self-charging power unit containing woven SF-TENGs, SF-SCs, and a power management circuit was exploited to harvest mechanical energy from the human body and provided power for the whole system. A smart glove designed with five SF-TENGs on the dorsum of five fingers acts as a gesture sensor to generate signal permutations. The signals were processed by the microcontroller and then wirelessly transmitted to the intelligent car for remote telemetry and control. This work is of paramount potential for the application of various terminal devices in self-powered HMI systems with high integration for wearable electronics.

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Luo, Qian. "Exploration of Agricultural Economic Management Methods under Internet + Mode." Mobile Information Systems 2022 (September 22, 2022): 1–10. http://dx.doi.org/10.1155/2022/9014184.

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In order to solve the problems that the production management of agricultural greenhouses consumes large human resources, low management efficiency, and the limitations of environmental monitoring, a visualized smart agriculture based on ZigBee and WiFi dual-protocol fusion Wireless Sensor Networks (WSNs) technology is proposed. A management system is proposed. The system takes STM32 as the main control core and builds a visual cloud computing platform based on the ESP8266WiFi module. The environmental parameters of the greenhouse are sent to the ZigBee terminal device through the serial port, and the user can remotely monitor the environmental parameters of the greenhouse in real time through the computer and mobile client, and control the working status of each actuator. The test results show that: (Transmission Control Protocol/Internet Protocol, TCP/IP) communication is not abnormal; under the control of the visual management system, when the system sends out control commands, the response time of each output terminal is basically between 1 and 2 s. The response of the output control unit has high sensitivity. Affected by the network delay, the fourth group of test data is larger, and in the case of network delay, the response sensitivity of each output terminal of the system decreases accordingly. Conclusion. The system has high accuracy of data collection, strong work reliability, can realize precise remote control, and has low cost, high stability, easy operation, and has certain promotion value.

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Andi, Heri. "Remote Terminal Unit Alternatif." ENERGI & KELISTRIKAN 14, no. 1 (June 29, 2022): 45–51. http://dx.doi.org/10.33322/energi.v14i1.1545.

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Load Breaking Switch (LBS) is an asset that has an important role in the distribution system with the role of disconnecting and connecting the flow of electrical power from a 20 kV distribution system, LBS can also be used as a section when adding or reducing feeder loads and is often used as a maneuvering point between Feeder. To optimize the function and operation of the Motorized LBS, it is necessary to integrate the SCADA system so that it can be operated remotely. In this integration process, one of the important components needed is the Remote Terminal Unit (RTU) which functions as a device that provides information about the equipment and carries out orders (teleinformation), but to achieve this we are constrained by the very expensive price of the RTU. For this reason, an alternative remote terminal unit is needed as a substitute for the RTU which represents the function of the RTU on the scada system itself. By installing alternative RTUs, SAIDI decreased by 17.74 % and recovery time by 2.99 %.

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Peña‐Guerrero, Maximino, and J. J. Negrete‐Redondo. "A remote terminal unit multimedia." Journal of the Acoustical Society of America 128, no. 4 (October 2010): 2382. http://dx.doi.org/10.1121/1.3508472.

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Дисертації з теми "Smart remote terminal unit"

Good, Emma. "Security Analysis of a Siemens SICAM CMIC Remote Terminal Unit." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-284328.

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In the power industry, electrical grids are undergoing a modernization intosmart grids. The new smart grids integrate the electrical grid and informationand communication technologies, such as software, automation, and informationprocessing. While enabling remote communication with devices on thegrid, putting the grid online also introduces some major problems, such as therisk of being the target of cyber attacks.In this thesis, a security analysis of the Siemens SICAM CMIC CP-8000 remoteterminal unit, used for remote monitoring and automation of electricalgrids is done. Threat modeling was done to identify vulnerabilities in the system,followed by a penetration test of the web interface, used to configure thedevice, as well as a couple of network attacks. During the penetration test, twocross-site scripting vulnerabilities were discovered, one of which could allowan unauthorized attacker to execute Javascript code in the victim’s browser. Itwas also discovered that a user’s login credentials are leaked in the browserconsole in cleartext when logging in.
I kraftindustrin genomgår elnät en modernisering till smarta elnät. De nyasmarta elnäten integrerar elnät och informations- och kommunkationsteknologi,såsom mjukvara, automatisering, och informationsbehandling. Även omdet möjliggör fjärrkommunikation så introduceras även stora problem när elnätenblir uppkopplade, till exempel risken att bli utsatt för cyberattacker.I detta examensarbete utfördes en säkerhetsanalys av en SICAM CMIC CP-8000 fjärrterminal, tillverkad av Siemens, som används för fjärrstyrning ochautomatisering av elnät. En hotmodell för att identifiera sårbarheter i systemetgjordes, följt av penetrationstesting av hemsidan som används för att konfigureraenheten, samt några nätverksattacker. Under penetrationstestningen hittadestvå cross-site scripting-sårbarheter, där den ena kunde tillåta en oautentiseradangripare att exekvera Javascript-kod i offrets webbläsare. Det upptäcktesäven att en användares inloggningsuppgifter läcktes i webbläsarens konsol iklartext när användaren loggar in.

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Hamra, Sam. "Ethical hacking : Threat modeling and penetration testing a remote terminal unit." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-288887.

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Remote terminal units are microprocessor controlled electronic devices that acts as an interface between control systems and objects in the real world. They are used in a range of highly critical infrastructures, and thus their security is of high priority. This thesis will present a security analysis and testing of a remote terminal unit. A threat model was created to identify threats to the system and a few key threats were selected for further penetration testing. The testing lead to the identification of a denial of service vulnerability as well as code injection vulnerability in the SD card storage of the remote terminal unit. The conclusions is that the system is rather robust from a remote attackers perspective although more vulnerabilities arise as an attacker gains physical access to the device.
Fjärrkontrollsterminaler är elektroniska enheter som agerar som ett gränssnitt mellan kontrollsystem och objekt i den riktiga världen. De används i många kritiska infrastrukturer och därför är deras säkerhet högt prioriterad. I denna rapport presenteras säkerhetsanalys och testning av en fjärrkontrollsterminal. En hotmodell skapades för att identifiera hot mot systemet och ett antal hot valdes för vidare penetrationstestning. Testandet visade på svagheter mot denial of service attacker mot TCP/Ethernet gränssnittet samt kodinjicering mot SD-kortet som sitter i fjärrkontrollsterminalen. Slutsatsen är att systemet är relativt säkert mot fjärrattacker medan svagheterna mot attacker som kräver en fysisk tillgång till fjärrkontrollsterminalen är fler.

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Bartolomei, Lorenzo. "Progetto, realizzazione e caratterizzazione metrologica di una RMU per smart grids." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017.

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Анотація:

Il lavoro di tesi magistrale è stato incentrato sullo sviluppo, la realizzazione e la caratterizzazione metrologica di una Remote Measurement Unit (RMU) per Smart Grids basata su microcontrollore. Lo scopo della RMU è quello di acquisire le grandezze elettriche presenti in un nodo della rete di distribuzione, elaborarle e fornirle ad un’unità centrale adibita al controllo della rete, dove, sulla base delle informazioni provenienti da tutte le postazioni di misura, vengono prese le decisioni per la gestione ottimale del sistema elettrico. La RMU riceve in ingresso sei segnali, condizionati ed adattati da opportuni trasduttori di corrente e tensione, che vengono campionati e convertiti in forma digitale. Tali campioni sono poi elaborati per calcolare una serie di grandezze quali, ad esempio, i valori efficaci, gli sfasamenti, le potenze attive e reattive, pronte per essere inviate all’unità centrale suddetta. Nella prima parte della tesi ci si è concentrati principalmente sulla scelta dell’unità di calcolo, ricaduta quindi sul controllore Microchip dsPIC33EP, il quale integra un convertitore analogico digitale sufficientemente accurato e veloce ed ha funzioni di digital signal processing. Nella seconda parte della tesi si è sviluppato il software, scritto in linguaggio C, per la gestione dei segnali in ingresso e la loro elaborazione. In questa parte si sono dovuti affrontare e risolvere due problemi principali: il primo dovuto al fatto che la frequenza dei segnali di ingresso (quella di rete) non è costante; il secondo legato alla non simultaneità della acquisizione dei sei ingressi. Nella terza parte della tesi si è proceduto a caratterizzare metrologicamente l’RMU: utilizzando strumentazione di riferimento in conferma metrologica e banchi di misura automatici appositamente sviluppati, si sono determinate le prestazioni, in termini di accuratezza, dell’unità realizzata nella misura del valore efficace, dello sfasamento, della potenza attiva e reattiva.

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Albadri, Rand. "Jämförande analys av driftsäkerhet medRTU och PLC." Thesis, Högskolan Väst, Avdelningen för data-, elektro- och lantmäteriteknik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:hv:diva-8190.

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Examensarbetet kommer att göra en jämförande analys av driftsäkerhet med trådade signaler till en Remote Terminal Unit (RTU) och en Programmable Logic Controller (PLC) med busstyrning. Rapporten genomfördes som ett uppdrag av Skellefteå Kraft AB för att se om det möjligt att byta till PLC- med busstyrning. Rapporten redogör för grundläggande beskrivning för skillnaden mellan de här två system och kommer att undersöka vilken som är driftsäkrare och lönsammare med hänsyn till krav enligt Svenska Kraftföretagens riktlinjer för dammsäkerhet (Ridas).Med hjälp av kurslitteratur, ABB handboken, internet websidor samt intervjuar med Skellefteå Kraft AB:s personal har arbetets resultat visat att busstyrning med PLC kommer att fungera driftsäkert samt kommer att bli lönsamt jämfört med trådade signaler till RTU. Resultat visat även att det finns ingenting som hindrar att installera busstyrning enligt Ridas men vissa funktioner bör installeras. Rapporten är avgränsat genom att inte ta upp eventuella krav från miljöbalken.
This thesis will make a comparative analysis of the operation safety of the wire connection to Remote Terminal Unit (RTU) and Programmable Logic Controller (PLC) with bus-controller. The report describes the basic description of the difference between these two systems and will explore which is safer and more economic with consideration to qualification according to Swedish energy companies' guidelines for dam safety (Ridas).Through course literature, ABB Bok, internet web sits and interviews with Skellefteå Kraft AB staff the result of this report have been created.The report results prove that PLC with bus-controller will operate operationally safe and profitable compared to wire connection to RTU. Results also showed that there is nothing which prevents to install bus-controller according to RIDAS but certain features should be installed.

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Chiluvuri, Nayana Teja. "A Trusted Autonomic Architecture to Safeguard Cyber-Physical Control Leaf Nodes and Protect Process Integrity." Thesis, Virginia Tech, 2015. http://hdl.handle.net/10919/56572.

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Cyber-physical systems are networked through IT infrastructure and susceptible to malware. Threats targeting process control are much more safety-critical than traditional computing systems since they jeopardize the integrity of physical infrastructure. Existing defence mechanisms address security at the network nodes but do not protect the physical infrastructure if network integrity is compromised. An interface guardian architecture is implemented on cyber-physical control leaf nodes to maintain process integrity by enforcing high-level safety and stability policies. Preemptive detection schemes are implemented to monitor process behavior and anticipate malicious activity before process safety and stability are compromised. Autonomic properties are employed to automatically protect process integrity by initiating switch-over to a verified backup controller. Subsystems adhere to strict trust requirements safeguarding them from adversarial intrusion. The preemptive detection schemes, switch-over logic, backup controller, and process communication are all trusted components that are separated from the untrusted production controller. The proposed architecture is applied to a rotary inverted pendulum experiment and implemented on a Xilinx Zynq-7000 configurable SoC. The leaf node implementation is integrated into a cyber-physical control topology. Simulated attack scenarios show strengthened resilience to both network integrity and reconfiguration attacks. Threats attempting to disrupt process behavior are successfully thwarted by having a backup controller maintain process stability. The system ensures both safety and liveness properties even under adversarial conditions.
Master of Science

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Kakkar, Aditya. "Theoretical Investigation of a new OFDM Access-Network Topology (OTONES)." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-128712.

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Recent studies on growth of telecomm sector depict an ever rising demand for high bandwidth applications such as on-line gaming, high definition television and many more. This demand is coupled with increase in internet connected utilities per house hold - each requiring a portion of bandwidth. The fast development of broadband telecommunication services calls for an upgrade of access infrastructure. This challenge could be met by technologies such as Fiber-To-The-Home/Building (FTTH/B) point-to-multipoint (P2MP) optical access networking. Further, FTTH is also widely regarded as a future proof solution for broadband telecommunication services within scientific and industrial sectors. This has encouraged large amount of research and development throughout the globe to find optimal topologies for FTTH. OFDM based optical access network topology abbreviated as OTONES is an ongoing EU FP 7 project under the PIANO+ framework. The OTONES project addresses the next generation optical access networking on the basis of Orthogonal Frequency Division Multiplexing (OFDM) and Orthogonal Frequency Multiple Access (OFDMA), with special provision for reduced complexity and signal processing aspects of the subscriber side terminals (ONUs). This thesis focuses on the theoretical investigation of OFDM based optical access network topology OTONES. The thesis provides an in depth view of the salient aspects of the topology and formulates the key requirements of OTONES topology. The investigation primarily delves on two important aspects of the topology. First, finding the optimal analog circuitry for the optical network unit (ONU). Second, finding the optimal operation regime for the topology and hence optimizing the system level concept. In this thesis, we show that the requirement of an analog circuitry originates from the need of successive up-conversions in OTONES topology which also produces image spectrum. This image spectrum causes a 3 dB loss in power and spectral efficiency in absence of a proper image rejection circuitry. Thus, we discuss the generic SSB generation methods for efficient image rejection. Novel Bedrosian method based on Bedrosian Theorem is established as a promising method for image rejection. We show that this method is an analog implementation of Hilbert Transform Method and does not involve any approximation. Both generic methods for SSB along with the Novel Bedrosian method are evaluated based on the criterion established for OTONES topology. Finally, optical filtering from the set of generic SSB method is proposed for the downstream path and Novel Bedrosian method is proposed for the upstream path. The tolerance limits for Novel Bedrosian method, are also established for its physical implementation. We further discuss the realistic implementation of various components of the OTONES topology. We also establish the optimal operation regime of the full concurrent topology based on parameters such as input optical power, pilot tone separation and many more. Finally as a key feature of the thesis, we optimize the system level concept of the topology with the use of the proposed Novel Bedrosian Method as the optimal analog circuitry for OTONES topology and provide a region of optimal operation of the topology.

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Kazim, Muhammad Anser. "Designing Smart Electrical Panels for Existing Wastewater Treatment Plants to Achieve Optimised Biogas Production and Cogeneration with HV/LV and Communication Redundancy for Smart Grid." Thesis, 2018. https://vuir.vu.edu.au/37856/.

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Recognising the deep potential in wastewater treatment plant (WWTP) automation strategies, this research focuses on expanding the plant operations in order to optimally utilise the produced biogas during the wastewater treatment process to achieve electricity cogeneration and High Voltage/Low Voltage (HV/LV) redundancy. The research has resulted in a proposed design for a smart Remote Terminal Unit (RTU). The proposed design also enables a failsafe mechanism at different levels of the water treatment process and biogas production thus facilitating an automated WWTP electricity cogeneration. The proposed design also increases the life span of substations, reduces power demand load on the grids and enhances safety of WWTP equipment during various scenarios of electricity cogeneration, shut downs and maintenance operations. Monitoring, operating and controlling of WWTPs is a complex and challenging task. The power equipment in most of the existing or old WWTPs that generates electricity from the biogas produced in the water treatment process requires intensive supervision and control to enable failsafe and redundant electricity cogeneration process. This research focuses on setting up an effective communication system between power equipment at existing or older WWTP distribution substations and power company`s zone substations, without the need to upgrade expensive switchgear and power equipment in the network. The proposed philosophy achieves automated and failsafe communication network for SCADA link to enable WWTP electricity cogeneration, utilising exiting or old infrastructure. This critical multidirectional power and data flow requires proper compliant and semantic data models to guarantee smooth and safe operations. It also requires to be flexible and have the ability to develop and implement the telemetric mapping philosophy between the substations during various scenarios of electricity cogeneration and faults. This research has resulted in a proposal of smart Remote Terminal Units (RTUs) on existing or old infrastructure of WWTP to achieve electricity cogeneration with integrated renewable energy resource

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Wang, Shun-Sheng, and 王舜生. "A Study on the Simulator of Remote Terminal Unit for Substation." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/19274903831986460255.

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Анотація:

碩士
國立高雄應用科技大學
電機工程系博碩士班
101
Remote Terminal Unit (RTU) is the end station in a hierarchical power dispatch control system. It is connected to a core system through communication facilities, and the Supervisory Control And Data Acquisition (SCADA) of a local power device can be achieved. In this thesis the simulator is designed for testing RTU for Jianan power supply branch. We create a ladder program to show the possible weakness in maintenance and testing, and some strategies are taken to reduce the unnecessary misuse which may affect users right, power quality and even user’s loss. The simulation results validate that the improvement can increase the efficiency, and be applied for other RTU constructing in substation of power supply branch.

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Pereira, Cristina Maria Pinto Gama Castro. "Detecção Remota aplicada ao estudo da evolução morfossedimentar da parte terminal do estuário do Rio Mira." Master's thesis, 2020. http://hdl.handle.net/10362/111975.

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O presente estudo analisa imagens de Detecção Remota Sentinel-2 (Programa Copernicus) com o objectivo de caracterizar a evolução das unidades morfossedimentares (UMFS) da zona intertidal da parte terminal do estuário do Rio Mira. A análise da informação topográfica (MDT) e geológica da região de Vila Nova de Milfontes-Cercal-São Luís evidencia que o relevo é condicionado pela existência de diferentes tipos de rochas do subtrato que apresentam diferentes graus de resistência à erosão. A aplicação da ferramenta “hillshade” do ArcGIS indicou que o traçado do Rio Mira está controlado por sistemas de falhas com orientação NNW-SSE e WNW-ESE. A definição das UMFS com características distintas a jusante e a montante da ponte sobre o Rio Mira baseou-se na análise não supervisionada (“K-Means”) dos índices espectrais NDVI, NWI e NDWI de três imagens Sentinel-2 (2015, 2018 e 2019 adquiridas durante a Baixa-Mar, BM). As classes de raso de maré e de sapal ocupam ≈1.8 km2 da zona intertidal. A área da classe do raso de maré foi estimada em ≈0.50 km2 (montante) e ≈0.04 km2 (jusante). Variações na área de raso de maré que está coberta por “ervas marinhas” dificultaram a definição do limite que separa esta classe do sapal que ocupa ≈0.96 km2. A análise comparativa da extensão da zona intertidal inundada “Marés Vivas” versus “Marés Mortas” (coincidente com a Praia-Mar) permitiu estimar áreas da superfície intertidal total coberta de sapal: alto (0.36 km2), médio (0.26 km2) e baixo (0.34 km2). A área ocupada pelo baixo sapal torna-se progressivamente menor e irregular para jusante, adquirindo um padrão em “manchas”. A evolução morfológica da barra arenosa da Praia da Franquia foi analisada após a sua dragagem em Julho de 2017, usando o índice NDWI em 14 imagens Sentinel-2 adquiridas entre 2015 e 2020 com um espaçamento temporal mínimo de dois meses e coincidentes com a BM. Após nove meses da dragagem, surgiu uma nova barra com uma geometria linear que evoluiu para uma “meia-lua”, e que três anos depois apresenta configuração em “U” muito semelhante à que existia antes da dragagem. A estimativa da área emersa da barra arenosa é comparável à batimétrica 1m ZH (datum altimétrico). As praias estuarinas e a praia emersa oceânica apresentam variações que podem indicar trocas sedimentares entre a barra de vazante e a praia imersa. A evolução da área das classes de sapal e de raso de maré foi igualmente avaliada usando o “script” de Laengner e co-autores, usando imagens de satélite Landsat adquiridas entre 1986 e 2010 (“Google Earth Engine”). Esta metodologia apresenta algumas limitações se aplicadas ao estuário do Rio Mira, dificultando a tentativa de operacionalização de uma árvore de decisão, baseada na aplicação de limiares aos índices NDVI e NDWI. Apesar das imagens Landsat abrangerem um longo período de 24 anos, não foi possível encontrar imagens totalmente coincidentes com a BM, o que impossibilitou obter a estimativa real da evolução da área coberta por cada uma das classes da zona intertidal do estuário do Rio Mira.
This study analyzes Sentinel-2 Remote Sensing images (Copernicus Programme) to characterize the evolution of the morphosedimentary units (UMFS) in the intertidal zone of the terminal part of the River Mira estuary. The analysis of topographic (MDT) and geological information of the Vila Nova de Milfontes-Cercal-São Luís region show that the relief is conditioned by the existence of different types of rocks composing the basement, which have different degrees of resistance to erosion. The application of ArcGIS’s hillshade tool indicated that the Rio Mira configuration is controlled by fault systems with NNW-SSE and WNW-ESE orientation. The definition of UMFS with different characteristics downstream and upstream of the bridge over the Mira River was based on the unsupervised classification (K-Means) of the spectral indices NDVI, NWI, and NDWI of three Sentinel-2 images (2015, 2018, and 2019 acquired during Low-Tide, LT). The classes of tidal flat and salt marshes occupy ≈1.8 km2 of the intertidal zone. The area of the mud flat class was estimated at ≈0.50 km2 (upstream) and ≈0.04 km2 (downstream). Variations in the mud flat that is covered by “seagrass” made it difficult to define the limit that separates this class from the salt marshes that occupy ≈0.96 km2. The comparative analysis of the extension of the flooded intertidal zone “Spring Tides” versus “Neap Tides” (coinciding with High Tide) made it possible to estimate areas of the total intertidal surface covered with marshland: high (0.36 km2), medium (0.26 km2) and low (0.34 km2). The area occupied by the low salt marshes becomes progressively smaller and irregular downstream, acquiring a pattern in "patches". The morphological evolution of the sand bar at Praia da Franquia was analyzed after its dredging process in July 2017, using the NDWI index on 14 Sentinel-2 images acquired between 2015 and 2020 with a minimum time spacing of two months and coinciding with the LT. After nine months of dredging, a new bar appeared with a linear geometry that evolved into a “half-moon”, which three years later has a “U” configuration very similar to the one that existed before the dredging process. The estimated surface area of the sandy bar is comparable to the 1m ZH bathymetric (altimetric datum). The estuarine beaches, the oceanic emerged beach, and the adjacent dune field show variations that may indicate sedimentary exchanges between the ebb and the immersed beach. The evolution of the salt marsh and mud flat classes was also assessed using the “script” by Laengner and co-authors, using Landsat satellite images acquired between 1986 and 2010 (“Google Earth Engine”). This methodology has some limitations if applied to the Rio Mira estuary, making it difficult to attempt to operationalize a decision tree, based on the application of thresholds to the NDVI and NDWI indices. Although the Landsat images span a long period of 24 years, it was not possible to find images that coincided with the LT, which made it impossible to obtain a realistic estimate of the evolution of the area covered by each of the classes in the intertidal zone of the Rio Mira estuary.

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Частини книг з теми "Smart remote terminal unit"

Ram, Kalyan B., Panchaksharayya S. Hiremath, M. S. Prajval, B. Karthick, Prasanth Sai Meda, M. B. Vijayalakshmi, and Priyanka Paliwal. "Remote Labs for Electrical Power Transmission Lines Simulation Unit." In Smart Industry & Smart Education, 186–96. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-95678-7_21.

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Chiew, Vincent. "Industrial Experience: Object-Oriented Methodology approach to Remote Terminal Unit Programming." In OOIS 2001, 457–64. London: Springer London, 2001. http://dx.doi.org/10.1007/978-1-4471-0719-4_47.

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Zhou, Cheng, Hai Wu, Guo Hu, Ji Zhang, and Chenbin Zhang. "Development of Transformer Terminal Unit Based on Virtual Technology." In Proceedings of PURPLE MOUNTAIN FORUM 2019-International Forum on Smart Grid Protection and Control, 813–22. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-9779-0_66.

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Ashoka Raja, Y. M., Prashant K. Shah, and Anand D. Darji. "FPGA-Based Display Driver Design with Remote Terminal Unit (RTU) Support Using MODBUS." In Lecture Notes in Electrical Engineering, 511–24. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-2761-3_45.

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Xu, Dan, Daoliang Li, Biaoqing Fei, Yang Wang, and Fa Peng. "A GPRS-Based Low Energy Consumption Remote Terminal Unit for Aquaculture Water Quality Monitoring." In Computer and Computing Technologies in Agriculture VII, 492–503. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-54341-8_52.

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Guo, BenZhen, ShangFu Hao, Xiao Zhang, and XiaoJing Wang. "Design of a Variable Frequency Drive (VFD) controller based on the Memobus Remote Terminal Unit (RTU) protocol." In Frontiers in Computer Education, 225–28. CRC Press, 2015. http://dx.doi.org/10.1201/b18444-52.

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Nouira, Ibtihel, and Mohamed Hadj Said. "Smart ECG Monitoring Through IoT." In Advances in Healthcare Information Systems and Administration, 224–46. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-0261-7.ch010.

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The emergence of internet of things allows the integration of health systems by enabling real-time monitoring with a low cost. Therefore, one of the essential targets in this work is the realization of a new smart real-time electrocardiogram remote monitoring system based on cloud networks. This health wireless system allows the acquisition of electrocardiogram signal with the temperature and acceleration measurement of the patient's body using the inertial measurement unit module sensor. A strong access schemes is employed to transfer the data from sensors to cloud environment by keeping the protection of e-health information. The second objective in this chapter is designing a flexible and stretchable health circuit basing on design considerations, aiming the combination of flexible, elastic, and rigid materials around minimal constraints and maximum mechanical dependability in the structures. The flexible fabrication part was inspired from the biocompatible process technology.

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Malik, Indu, Arpit Bhardwaj, Harshit Bhardwaj, and Aditi Sakalle. "IoT-Enabled Smart Homes." In Revolutionizing Industrial Automation Through the Convergence of Artificial Intelligence and the Internet of Things, 160–76. IGI Global, 2022. http://dx.doi.org/10.4018/978-1-6684-4991-2.ch008.

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The smart home achieved commerciality in the previous decades because it has increased comfort and quality of human life. Using AI and IoT technology, humans get notifications about the unplaced (not having or assigned to a specific place) things or devices at home. In this chapter, the authors introduce the concept of a smart home with the integration of IoT (internet of things), cloud, and AI. A smart home can be controlled by smartphones, tablets, or PC. The smart home is a collection of smart devices; smart devices have sensors and actuators. All these devices are connected, and they are controlled by the central unit. The sensor is used to collect data. The smart home is a net of sensors, different types of sensors used to create a smart home. Particular sensors perform particular tasks like biometric sensors used for security. In this chapter, the authors discuss remote access of devices, increased computation power, and data storage. Home automation gives you access to an on and off home light, lock and unlock the door, and switch on and switch off the AC and TV.

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Sen, Sayani, Sathi Roy, Suparna Biswas, and Chandreyee Chowdhury. "Security- and Privacy-Aware Computing in Cloud With User Mobility." In Research Anthology on Privatizing and Securing Data, 879–97. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-8954-0.ch040.

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Today's computational model has been undergoing a huge paradigm shift from personalized, local processing using local processing unit (LPU) to remote processing at cloud servers located globally. Advances in sensor-based smart applications such as smart home, smart health, smart transport, smart environment monitoring, etc. are generating huge data which needs to stored, pre-processed, analyzed using machine learning and deep learning techniques, which are resource-hungry, to generate results to be saved for future reference, and all these need to be done in real time, with scalability support satisfying user data privacy and security that may vary from application to application. In smart application like remote health monitoring and support, patient data needs utmost privacy besides confidentiality, integrity, and availability.

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Sen, Sayani, Sathi Roy, Suparna Biswas, and Chandreyee Chowdhury. "Security- and Privacy-Aware Computing in Cloud With User Mobility." In Modern Principles, Practices, and Algorithms for Cloud Security, 1–20. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-1082-7.ch001.

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Тези доповідей конференцій з теми "Smart remote terminal unit"

Jusoh, W. N. S. E. Wan, M. R. Ab Ghani, M. A. Mat Hanafiah, and S. H. Raman. "Remote Terminal Unit (RTU) hardware design and development for distribution automation system." In 2014 IEEE Innovative Smart Grid Technologies - Asia (ISGT ASIA). IEEE, 2014. http://dx.doi.org/10.1109/isgt-asia.2014.6873855.

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Lekbich, Anass, Abdelaziz Belfqih, Chaimae Zedak, Jamal Boukherouaa, and Faissal El Mariami. "A secure wireless control of Remote Terminal Unit using the Internet of Things in smart grids." In 2018 6th International Conference on Wireless Networks and Mobile Communications (WINCOM). IEEE, 2018. http://dx.doi.org/10.1109/wincom.2018.8629620.

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Cazan, Rares Cosmin, Laurentiu Viorel Chirila, and Alexandra Marichescu. "Remote terminal unit’s Intelligence Evolution." In 2008 IEEE International Conference on Automation, Quality and Testing, Robotics. IEEE, 2008. http://dx.doi.org/10.1109/aqtr.2008.4588932.

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Guzman, David, Manuel Prieto, Daniel Garcia, Victor Ruiz, Javier Almena, Sebastián Sanchez, and Daniel Meziat. "High Reliable Remote Terminal Unit for Space Applications." In 2009 12th Euromicro Conference on Digital System Design, Architectures, Methods and Tools (DSD). IEEE, 2009. http://dx.doi.org/10.1109/dsd.2009.184.

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Srisuwan, Khomkrit, Vansan Sangmalee, Veera Thunyaphirak, and Apirak Skunpong. "Remote Terminal Air-conditioner Unit for Power Management." In 2006 SICE-ICASE International Joint Conference. IEEE, 2006. http://dx.doi.org/10.1109/sice.2006.314685.

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Fongjun, Theerapong, Jirayut Phontip, Arnan Jomtarax, and Kumpee Suksomboon. "Auto-Configurable Feature in Universal Remote Terminal Unit (uRTU)." In 2020 IEEE Conference on Technologies for Sustainability (SusTech). IEEE, 2020. http://dx.doi.org/10.1109/sustech47890.2020.9150509.

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Hu, Jian, Wenlu Ji, and Peifeng Shen. "Smart Terminal Unit for Distribution Network with Model Verification Ability." In 2019 IEEE Innovative Smart Grid Technologies - Asia (ISGT Asia). IEEE, 2019. http://dx.doi.org/10.1109/isgt-asia.2019.8881403.

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Nur Huda, M. A., A. G. Mohd Ruddin, and J. Zanariah. "Development of Alternative-Remote Terminal Unit (ARTU) for Data Control Management." In 4th IET Clean Energy and Technology Conference (CEAT 2016). Institution of Engineering and Technology, 2016. http://dx.doi.org/10.1049/cp.2016.1361.

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Ge, Xinyuan, Junpeng Zhu, Rui Xie, Zheng Sun, Liang Ge, Jia Zhang, Hong Tian, and Zhongqing Sang. "Research on Intelligent Terminal Unit for Power Distribution Automation and Maintenance." In 2019 4th International Conference on Intelligent Green Building and Smart Grid (IGBSG). IEEE, 2019. http://dx.doi.org/10.1109/igbsg.2019.8886203.

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Razi Kazemi, Ali Asghar, Payman Dehghanian, and Ghasem Karami. "A probabilistic approach for remote terminal unit placement in power distribution systems." In 2011 33rd International Telecommunications Energy Conference (INTELEC 2011). IEEE, 2011. http://dx.doi.org/10.1109/intlec.2011.6099781.

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