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https://www.readbyqxmd.com/read/29772823/improving-the-energy-saving-process-with-high-resolution-data-a-case-study-in-a-university-building
#1
Jeongyun Han, Eunjung Lee, Hyunghun Cho, Yoonjin Yoon, Hyoseop Lee, Wonjong Rhee
In this paper, we provide findings from an energy saving experiment in a university building, where an IoT platform with 1 Hz sampling sensors was deployed to collect electric power consumption data. The experiment was a reward setup with daily feedback delivered by an energy delegate for one week, and energy saving of 25.4% was achieved during the experiment. Post-experiment sustainability, defined as 10% or more of energy saving, was also accomplished for 44 days without any further intervention efforts. The saving was possible mainly because of the data-driven intervention designs with high-resolution data in terms of sampling frequency and number of sensors, and the high-resolution data turned out to be pivotal for an effective waste behavior investigation...
May 17, 2018: Sensors
https://www.readbyqxmd.com/read/29772818/integrated-method-for-personal-thermal-comfort-assessment-and-optimization-through-users-feedback-iot-and-machine-learning-a-case-study-%C3%A2
#2
Francesco Salamone, Lorenzo Belussi, Cristian Currò, Ludovico Danza, Matteo Ghellere, Giulia Guazzi, Bruno Lenzi, Valentino Megale, Italo Meroni
Thermal comfort has become a topic issue in building performance assessment as well as energy efficiency. Three methods are mainly recognized for its assessment. Two of them based on standardized methodologies, face the problem by considering the indoor environment in steady-state conditions (PMV and PPD) and users as active subjects whose thermal perception is influenced by outdoor climatic conditions (adaptive approach). The latter method is the starting point to investigate thermal comfort from an overall perspective by considering endogenous variables besides the traditional physical and environmental ones...
May 17, 2018: Sensors
https://www.readbyqxmd.com/read/29772779/sober-mcs-sociability-oriented-and-battery-efficient-recruitment-for-mobile-crowd-sensing
#3
Fazel Anjomshoa, Burak Kantarci
The Internet of Things (IoT) concept is aiming at being an integral part of the next generation networking services by introducing pervasiveness and ubiquitous interconnectivity of uniquely-identifiable objects. The massive availability of personalized smart devices such as smartphones and wearables enable their penetration into the IoT ecosystem with their built-in sensors, particularly in Mobile Crowd-Sensing (MCS) campaigns. The MCS systems achieve the objectives of the large-scale non-dedicated sensing concept in the IoT if a sufficient number of participants are engaged to the collaborative data acquisition process...
May 17, 2018: Sensors
https://www.readbyqxmd.com/read/29772770/improving-uwb-based-localization-in-iot-scenarios-with-statistical-models-of-distance-error
#4
Stefania Monica, Gianluigi Ferrari
Interest in the Internet of Things (IoT) is rapidly increasing, as the number of connected devices is exponentially growing. One of the application scenarios envisaged for IoT technologies involves indoor localization and context awareness. In this paper, we focus on a localization approach that relies on a particular type of communication technology, namely Ultra Wide Band (UWB). UWB technology is an attractive choice for indoor localization, owing to its high accuracy. Since localization algorithms typically rely on estimated inter-node distances, the goal of this paper is to evaluate the improvement brought by a simple (linear) statistical model of the distance error...
May 17, 2018: Sensors
https://www.readbyqxmd.com/read/29757988/a-lightweight-protocol-for-secure-video-streaming
#5
Algimantas Venčkauskas, Nerijus Morkevicius, Kazimieras Bagdonas, Robertas Damaševičius, Rytis Maskeliūnas
The Internet of Things (IoT) introduces many new challenges which cannot be solved using traditional cloud and host computing models. A new architecture known as fog computing is emerging to address these technological and security gaps. Traditional security paradigms focused on providing perimeter-based protections and client/server point to point protocols (e.g., Transport Layer Security (TLS)) are no longer the best choices for addressing new security challenges in fog computing end devices, where energy and computational resources are limited...
May 14, 2018: Sensors
https://www.readbyqxmd.com/read/29757227/combining-fog-computing-with-sensor-mote-machine-learning-for-industrial-iot
#6
Mehrzad Lavassani, Stefan Forsström, Ulf Jennehag, Tingting Zhang
Digitalization is a global trend becoming ever more important to our connected and sustainable society. This trend also affects industry where the Industrial Internet of Things is an important part, and there is a need to conserve spectrum as well as energy when communicating data to a fog or cloud back-end system. In this paper we investigate the benefits of fog computing by proposing a novel distributed learning model on the sensor device and simulating the data stream in the fog, instead of transmitting all raw sensor values to the cloud back-end...
May 12, 2018: Sensors
https://www.readbyqxmd.com/read/29751662/data-gathering-and-energy-transfer-dilemma-in-uav-assisted-flying-access-network-for-iot
#7
Sara Arabi, Essaid Sabir, Halima Elbiaze, Mohamed Sadik
Recently, Unmanned Aerial Vehicles (UAVs) have emerged as an alternative solution to assist wireless networks, thanks to numerous advantages they offer in comparison to terrestrial fixed base stations. For instance, a UAV can be used to embed a flying base station providing an on-demand nomadic access to network services. A UAV can also be used to wirelessly recharge out-of-battery ground devices. In this paper, we aim to deal with both data collection and recharging depleted ground Internet-of-Things (IoT) devices through a UAV station used as a flying base station...
May 11, 2018: Sensors
https://www.readbyqxmd.com/read/29748521/self-tuning-method-for-increased-obstacle-detection-reliability-based-on-internet-of-things-lidar-sensor-models
#8
Fernando Castaño, Gerardo Beruvides, Alberto Villalonga, Rodolfo E Haber
On-chip LiDAR sensors for vehicle collision avoidance are a rapidly expanding area of research and development. The assessment of reliable obstacle detection using data collected by LiDAR sensors has become a key issue that the scientific community is actively exploring. The design of a self-tuning methodology and its implementation are presented in this paper, to maximize the reliability of LiDAR sensors network for obstacle detection in the 'Internet of Things' (IoT) mobility scenarios. The Webots Automobile 3D simulation tool for emulating sensor interaction in complex driving environments is selected in order to achieve that objective...
May 10, 2018: Sensors
https://www.readbyqxmd.com/read/29738488/a-hybrid-dv-hop-algorithm-using-rssi-for-localization-in-large-scale-wireless-sensor-networks
#9
Omar Cheikhrouhou, Ghulam M Bhatti, Roobaea Alroobaea
With the increasing realization of the Internet-of-Things (IoT) and rapid proliferation of wireless sensor networks (WSN), estimating the location of wireless sensor nodes is emerging as an important issue. Traditional ranging based localization algorithms use triangulation for estimating the physical location of only those wireless nodes that are within one-hop distance from the anchor nodes. Multi-hop localization algorithms, on the other hand, aim at localizing the wireless nodes that can physically be residing at multiple hops away from anchor nodes...
May 8, 2018: Sensors
https://www.readbyqxmd.com/read/29737193/technology-review-prototyping-platforms-for-monitoring-ambient-conditions
#10
Samuel Olaiya Afolaranmi, Borja Ramis Ferrer, Jose Luis Martinez Lastra
The monitoring of ambient conditions in indoor spaces is very essential owing to the amount of time spent indoors. Specifically, the monitoring of air quality is significant because contaminated air affects the health, comfort and productivity of occupants. This research work presents a technology review of prototyping platforms for monitoring ambient conditions in indoor spaces. It involves the research on sensors (for CO2 , air quality and ambient conditions), IoT platforms, and novel and commercial prototyping platforms...
May 8, 2018: International Journal of Environmental Health Research
https://www.readbyqxmd.com/read/29734699/implementation-of-cyber-physical-production-systems-for-quality-prediction-and-operation-control-in-metal-casting
#11
JuneHyuck Lee, Sang Do Noh, Hyun-Jung Kim, Yong-Shin Kang
The prediction of internal defects of metal casting immediately after the casting process saves unnecessary time and money by reducing the amount of inputs into the next stage, such as the machining process, and enables flexible scheduling. Cyber-physical production systems (CPPS) perfectly fulfill the aforementioned requirements. This study deals with the implementation of CPPS in a real factory to predict the quality of metal casting and operation control. First, a CPPS architecture framework for quality prediction and operation control in metal-casting production was designed...
May 4, 2018: Sensors
https://www.readbyqxmd.com/read/29725966/iot-in-radiology-using-raspberry-pi-to-automatically-log-telephone-calls-in-the-reading-room
#12
REVIEW
Po-Hao Chen, Nathan Cross
The work environment for medical imaging such as distractions, ergonomics, distance, temperature, humidity, and lighting conditions generates a paucity of data and is difficult to analyze. The emergence of Internet of Things (IoT) with decreasing cost of single-board computers like Raspberry Pi makes creating customized hardware to collect data from the clinical environment within the reach of a clinical imaging informaticist. This article will walk the reader through a series of basic project using a variety sensors and devices in conjunction with a Pi to gather data, culminating in a complex example designed to automatically detect and log telephone calls...
May 3, 2018: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://www.readbyqxmd.com/read/29724037/a-flexible-temperature-sensor-based-on-reduced-graphene-oxide-for-robot-skin-used-in-internet-of-things
#13
Guanyu Liu, Qiulin Tan, Hairong Kou, Lei Zhang, Jinqi Wang, Wen Lv, Helei Dong, Jijun Xiong
Flexible electronics, which can be distributed on any surface we need, are highly demanded in the development of Internet of Things (IoT), robot technology and electronic skins. Temperature is a fundamental physical parameter, and it is an important indicator in many applications. Therefore, a flexible temperature sensor is required. Here, we report a simple method to fabricate three lightweight, low-cost and flexible temperature sensors, whose sensitive materials are reduced graphene oxide (r-GO), single-walled carbon nanotubes (SWCNTs) and multi-wall carbon nanotubes (MWCNTs)...
May 2, 2018: Sensors
https://www.readbyqxmd.com/read/29723236/health-management-and-pattern-analysis-of-daily-living-activities-of-people-with-dementia-using-in-home-sensors-and-machine-learning-techniques
#14
Shirin Enshaeifar, Ahmed Zoha, Andreas Markides, Severin Skillman, Sahr Thomas Acton, Tarek Elsaleh, Masoud Hassanpour, Alireza Ahrabian, Mark Kenny, Stuart Klein, Helen Rostill, Ramin Nilforooshan, Payam Barnaghi
The number of people diagnosed with dementia is expected to rise in the coming years. Given that there is currently no definite cure for dementia and the cost of care for this condition soars dramatically, slowing the decline and maintaining independent living are important goals for supporting people with dementia. This paper discusses a study that is called Technology Integrated Health Management (TIHM). TIHM is a technology assisted monitoring system that uses Internet of Things (IoT) enabled solutions for continuous monitoring of people with dementia in their own homes...
2018: PloS One
https://www.readbyqxmd.com/read/29705947/provably-secure-heterogeneous-access-control-scheme-for-wireless-body-area-network
#15
Anyembe Andrew Omala, Angolo Shem Mbandu, Kamenyi Domenic Mutiria, Chunhua Jin, Fagen Li
Wireless body area network (WBAN) provides a medium through which physiological information could be harvested and transmitted to application provider (AP) in real time. Integrating WBAN in a heterogeneous Internet of Things (IoT) ecosystem would enable an AP to monitor patients from anywhere and at anytime. However, the IoT roadmap of interconnected 'Things' is still faced with many challenges. One of the challenges in healthcare is security and privacy of streamed medical data from heterogeneously networked devices...
April 28, 2018: Journal of Medical Systems
https://www.readbyqxmd.com/read/29702607/residential-consumer-centric-demand-side-management-based-on-energy-disaggregation-piloting-constrained-swarm-intelligence-towards-edge-computing
#16
Yu-Hsiu Lin, Yu-Chen Hu
The emergence of smart Internet of Things (IoT) devices has highly favored the realization of smart homes in a down-stream sector of a smart grid. The underlying objective of Demand Response (DR) schemes is to actively engage customers to modify their energy consumption on domestic appliances in response to pricing signals. Domestic appliance scheduling is widely accepted as an effective mechanism to manage domestic energy consumption intelligently. Besides, to residential customers for DR implementation, maintaining a balance between energy consumption cost and users’ comfort satisfaction is a challenge...
April 27, 2018: Sensors
https://www.readbyqxmd.com/read/29701698/appdaptivity-an-internet-of-things-device-decoupled-system-for-portable-applications-in-changing-contexts
#17
Cristian Martín, Jeroen Hoebeke, Jen Rossey, Manuel Díaz, Bartolomé Rubio, Floris Van den Abeele
Currently, applications in the Internet of Things (IoT) are tightly coupled to the underlying physical devices. As a consequence, upon adding a device, device replacement or user’s relocation to a different physical space, application developers have to re-perform installation and configuration processes to reconfigure applications, which bears costs in time and knowledge of low-level details. In the emerging IoT field, this issue is even more challenging due to its current unpredictable growth in term of applications and connected devices...
April 26, 2018: Sensors
https://www.readbyqxmd.com/read/29701679/artificial-intelligence-based-semantic-internet-of-things-in-a-user-centric-smart-city
#18
Kun Guo, Yueming Lu, Hui Gao, Ruohan Cao
Smart city (SC) technologies can provide appropriate services according to citizens’ demands. One of the key enablers in a SC is the Internet of Things (IoT) technology, which enables a massive number of devices to connect with each other. However, these devices usually come from different manufacturers with different product standards, which confront interactive control problems. Moreover, these devices will produce large amounts of data, and efficiently analyzing these data for intelligent services...
April 26, 2018: Sensors
https://www.readbyqxmd.com/read/29690552/a-low-power-iot-sensor-node-architecture-for-waste-management-within-smart-cities-context
#19
Matteo Cerchecci, Francesco Luti, Alessandro Mecocci, Stefano Parrino, Giacomo Peruzzi, Alessandro Pozzebon
This paper focuses on the realization of an Internet of Things (IoT) architecture to optimize waste management in the context of Smart Cities. In particular, a novel typology of sensor node based on the use of low cost and low power components is described. This node is provided with a single-chip microcontroller, a sensor able to measure the filling level of trash bins using ultrasounds and a data transmission module based on the LoRa LPWAN (Low Power Wide Area Network) technology. Together with the node, a minimal network architecture was designed, based on a LoRa gateway, with the purpose of testing the IoT node performances...
April 21, 2018: Sensors
https://www.readbyqxmd.com/read/29690534/a-system-based-on-the-internet-of-things-for-real-time-particle-monitoring-in-buildings
#20
Gonçalo Marques, Cristina Roque Ferreira, Rui Pitarma
Occupational health can be strongly influenced by the indoor environment as people spend 90% of their time indoors. Although indoor air quality (IAQ) is not typically monitored, IAQ parameters could be in many instances very different from those defined as healthy values. Particulate matter (PM), a complex mixture of solid and liquid particles of organic and inorganic substances suspended in the air, is considered the pollutant that affects more people. The most health-damaging particles are the ≤PM10 (diameter of 10 microns or less), which can penetrate and lodge deep inside the lungs, contributing to the risk of developing cardiovascular and respiratory diseases, as well as of lung cancer...
April 21, 2018: International Journal of Environmental Research and Public Health
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