Search results for "Every 5 minutes"

showing 3 items of 3 documents

Experimental validation of the BAC factor method for lighting systems

2017

In the last few years, many buildings have been equipped with Building Automation and Control (BAC) systems. BAC systems can be used to achieve a significant reduction of the electrical consumption and to have all the well acknowledged benefits from the daylight (e.g. occupant comfort, health, well-being and productivity). For this reason, Standard EN 15232 "Energy performance of buildings — Impact of Building Automation, Controls and Building Management" puts into evidence the importance of the presence of BAC and Technical Building Management (TBM) systems, suggests a classification of these systems, explains their main functionalities and presents a simplified method to estimate their im…

Energy efficiency in buildingEngineeringArchitectural engineeringBAC factorEnvironmental EngineeringSettore ING-IND/11 - Fisica Tecnica Ambientalebusiness.industry020209 energyEnergy performanceEnergy Engineering and Power Technology02 engineering and technologyExperimental validationEnergy consumptionFactor methodIndustrial and Manufacturing EngineeringEvery 5 minutesSettore ING-IND/33 - Sistemi Elettrici Per L'Energia0202 electrical engineering electronic engineering information engineeringDaylightElectrical and Electronic EngineeringbusinessBuilding managementLightingBuilding automationBuildings control
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Supplementing sleep actigraphy with button pressing while awake

2020

Objective/backgroundWrist-worn sleep actigraphs are limited for evaluating sleep, especially in sleepers who lie awake in bed without moving for extended periods. Sleep logs depend on the accuracy of perceiving and remembering times of being awake. Here we evaluated pressing an event-marker button while lying awake under two conditions: self-initiated pressing every 5 to 10 minutes or pressing when signaled every 5 minutes by a vibration pulse from a wristband. We evaluated the two conditions for acceptability and their concordance with actigraphically scored sleep.Participants and methodsTwenty-nine adults wore actigraphs on six nights. On nights 1 and 4, they pressed the marker to a vibra…

MaleTime FactorsPhysiologyTest StatisticsWalkingAudiologyMathematical and Statistical Techniques0302 clinical medicineMedicine and Health SciencesMusculoskeletal SystemClinical NeurophysiologyCognitive ImpairmentBrain MappingMultidisciplinaryCognitive NeurologyPhysicsQStatisticsRClassical MechanicsElectroencephalographyMiddle AgedWristElectrophysiologyArmsBioassays and Physiological AnalysisBrain ElectrophysiologyNeurologyPhysical SciencesMedicineFemaleSleep (system call)AnatomyResearch ArticleAdultmedicine.medical_specialtyImaging TechniquesScienceCognitive NeuroscienceNeurophysiologyNeuroimagingResearch and Analysis MethodsVibrationButton pressingEvery 5 minutesYoung Adult03 medical and health sciencesmedicineHumansWakefulnessStatistical MethodsAgedBiological Locomotionbusiness.industryElectrophysiological TechniquesBiology and Life SciencesActigraphyActigraphySleep scoringEvery Morning030228 respiratory systemBody LimbsCognitive ScienceSleep onset latencyClinical MedicineSleepPhysiological ProcessesbusinessMathematics030217 neurology & neurosurgeryNeurosciencePLOS ONE
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Distributed optimal power flow for islanded microgrids: An application to the Smart Polygeneration Microgrid of the Genoa University

2016

In this work, the application of an original distributed optimal power flow method to test a microgrid in the Savona area, Italy is proposed. The microgrid shows different types of Distributed Energy Resources (DERs) and is connected to the main grid through a fixed power bus. Due to the high computational speed, the applied distributed Optimal Power Flow can be performed almost in real time, i.e. every 5 minutes or less. The operating solution found for generators, simply using local information, corresponds to a suboptimal condition with reduced losses, bus voltages and line currents within constrained intervals. The distributed optimization algorithm is iterative, but also fast. It is ba…

distributed optimization micro-grids optimal power flowbusiness.industryBusbarHeuristic (computer science)Computer science020209 energyComputer Science Applications1707 Computer Vision and Pattern Recognitionmicro-grids02 engineering and technologyMicro-gridGridDistributed optimizationEvery 5 minutesSettore ING-IND/33 - Sistemi Elettrici Per L'EnergiaPower flowComputer Networks and CommunicationControl theoryDistributed generationUrban Studie0202 electrical engineering electronic engineering information engineeringMicrogridbusinessOptimal power flowSimulationVoltage2016 IEEE International Smart Cities Conference (ISC2)
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