4,280 research outputs found
Smart Internet of Things Modular Micro Grow Room Architecture
This article proposes the Internet of Things-based self-sustaining modular grow room architecture for optimising the seed germination and seedling development process. The architecture is scalable and flexible as it can be adapted to particular environments, scopes, requirements and plant types; it is modular as the host room can contain one or more smaller-scale grow rooms, each of them controlling their own micro-environment independently. One of the main goals of the research was to develop such a system that could be deployed efficiently, with minimal costs and energy footprint, which would enable its practical usage primarily in private self-sustainable households. The usage of widely available and inexpensive components, open source code, and free cloud services all enabled us to reach such a goal. Besides simple automation mostly described by existing solutions, the architecture proposed within this article offers remote control and data processing and visualisation, data trend tracking, smart optimisation, and actuator control, and event notifications
A new wireless underground network system for continuous monitoring of soil water contents
A new stand-alone wireless embedded network system has been developed recently for continuous monitoring of soil water contents at multiple depths. This paper presents information on the technical aspects of the system, including the applied sensor technology, the wireless communication protocols, the gateway station for data collection, and data transfer to an end user Web page for disseminating results to targeted audiences. Results from the first test of the network system are presented and discussed, including lessons learned so far and actions to be undertaken in the near future to improve and enhance the operability of this innovative measurement approac
Study of the optimization of a miniaturized gas sensor for odor monitoring
Climate change and the crisis of non-renewable natural resources have fostered a change in people's mentality, pushing them towards a future of shared mobility. This study aims to offer a solution to one of the main drawbacks of this type of mobility, the discomfort generated by malodors and poor air quality in shared-use vehicles. To that end, the use of an odor monitoring module is proposed which, through gas sensors, allows to improve the air quality inside vehicles after its use. In this thesis we find a study of the technology for odor tracking, the design and manufacture of a prototype for the module and its subsequent implementation in vehicles. The study concludes with pilot tests on different vehicles which contribute to the parameterization of the system, laying the foundations for projects with real application
Sustainable modular IoT solution for smart cities applications supported by machine learning algorithms
The Internet of Things (IoT) and Smart Cities are nowadays a big trend, but with
the proliferation of these systems several challenges start to appear and put in jeopardy
the acceptance by the population, mainly in terms of sustainability and environmental
issues. This Thesis introduces a new system composed by a modular IoT smart node that
is self-configurable and sustainable with the support of machine learning techniques, as
well as the research and development to achieve a innovative solution considering data
analysis, wireless communications and hardware and software development. For all these,
concepts are introduced, research methodologies, tests and results are presented and discussed
as well as the development and implementation. The developed research and
methodology shows that Random Forest was the best choice for the data analysis in the
self-configuration of the hardware and communication systems and that Edge Computing
has an advantage in terms of energy efficiency and latency. The autonomous communication
system was able to create a 65% more sustainable node, in terms of energy
consumption, with only a 13% decrease in quality of service. The modular approach for
the smart node presented advantages in the integration, scalability and implementation
of smart cities projects when facing traditional implementations, reducing up to 45% the
energy consumption of the overall system and 60% of messages exchanged, without compromising
the system performance. The deployment of this new system will help Smart
Cities, in a worldwide fashion, to decrease their environmental issues and comply with
rules and regulations to reduce CO2 emission.A Internet das Coisas (IoT) e as Cidades Inteligentes são hoje uma grande tendência, mas com a rápida evolução destes sistemas são vários os desafios que põem em causa a sua aceitação por parte das populações, maioritariamente devido a problemas ambientais e de sustentabilidade. Esta Tese introduz um novo sistema composto por nós de IoT inteligentes que são auto-configuáveis e sustentáveis suportados por de aprendizagem automática, e o trabalho de investigação e desenvolvimento para se obter uma solução inovadora que considera a análise de dados, comunicações sem fios e o desenvolvimento do
hardware e software. Para todos estes, os conceitos chave são introduzidos, as metodologias de investigação, testes e resultados são apresentados e discutidos, bem como todo o desenvolvimento e implementação. Através do trabalho desenvolvido mostra-se que as Árvores Aleatórias são a melhor escolha para análise de dados em termos da autoconfiguração do hardware e sistema de comunicações e que a computação nos nós tem uma vantagem em termos de eficiência energética e latência. O sistema de configuração autónoma de comunicações foi capaz de criar um nós 65% mais sustentável, em termos en-
ergéticos, comprometendo apenas em 13% a qualidade do servi ̧co. A solução modular do nó inteligente apresentou vantagens na integração, escalabilidade e implementação de projectos para Cidades Inteligentes quando comparado com soluções tradicionais, reduzindo em 45% o consumo energético e 60% a troca de mensagens, sem comprometer a qualidade do sistema. A implementação deste novo sistema irá ajudar as cidades inteligentes, em todo o mundo, a diminuir os seus problemas ambientais e a cumprir com as normas e regulamentos para reduzir as emissões de CO2
Novel proposal for prediction of CO2 course and occupancy recognition in Intelligent Buildings within IoT
Many direct and indirect methods, processes, and sensors available on the market today are used to monitor the occupancy of selected Intelligent Building (IB) premises and the living activities of IB residents. By recognizing the occupancy of individual spaces in IB, IB can be optimally automated in conjunction with energy savings. This article proposes a novel method of indirect occupancy monitoring using CO2, temperature, and relative humidity measured by means of standard operating measurements using the KNX (Konnex (standard EN 50090, ISO/IEC 14543)) technology to monitor laboratory room occupancy in an intelligent building within the Internet of Things (IoT). The article further describes the design and creation of a Software (SW) tool for ensuring connectivity of the KNX technology and the IoT IBM Watson platform in real-time for storing and visualization of the values measured using a Message Queuing Telemetry Transport (MQTT) protocol and data storage into a CouchDB type database. As part of the proposed occupancy determination method, the prediction of the course of CO2 concentration from the measured temperature and relative humidity values were performed using mathematical methods of Linear Regression, Neural Networks, and Random Tree (using IBM SPSS Modeler) with an accuracy higher than 90%. To increase the accuracy of the prediction, the application of suppression of additive noise from the CO2 signal predicted by CO2 using the Least mean squares (LMS) algorithm in adaptive filtering (AF) method was used within the newly designed method. In selected experiments, the prediction accuracy with LMS adaptive filtration was better than 95%.Web of Science1223art. no. 454
A framework for IoT-enabled environment aware traffic management
Vehicular traffic has increased across all over the world especially in urban areas due to many reasons including the reduction in the cost of vehicles, degradation of the quality of public transport services and increased wealth of people. The traffic congestion created by these vehicles causes many problems. Increased environment pollution is one of the most serious negative effects of traffic congestion. Noxious gases and fine particles emitted by vehicles affect people in different ways depending on their age and present health conditions. Professionals and policy makers have devised schemes for better managing traffic in congested areas. These schemes suffer from many shortcomings including the inability to adapt to dynamic changes of traffic patterns. With the development of technology, new applications like Google maps help drivers to select less congested routes. But, the identification of the best route takes only the present traffic condition on different road segments presently. In this paper the authors propose a system that helps drivers select routes based on the present and expected environment pollution levels at critical points in a given area
Smart cities air pollution monitoring system - Developing a potential data collecting platform based on Raspberry Pi
>Magister Scientiae - MScAir pollution is becoming a challenging issue in our daily lives due to advanced industrialization.
This thesis presents a solution to collection and dissemination of pollution data. Most of the
devices that monitor air quality are costly and have limited features. The aim of this study is to
revisit the issue of pollution in cities with the aim of providing a cheaper and scalable solution
to the challenge of pollution data collection and dissemination. The solution proposed in this
paper uses Raspberry Pi and Arduino micro-controller boards as the foundation, combined with
specific sensors to facilitate the collection and transfer of pollution data reliably and effectively.
While most traditional air pollution monitoring equipment and similar projects use memory cards
as a medium for data storage, the system proposed in this research is built around a new network
selection model that transfers data to the server by using either Bluetooth, Wi-Fi, GSM, or the
LoRa protocol. The connectivity protocol is selected automatically and opportunistically by the
network selection algorithm defined in the micro-controller board. The final data will be
presented to the user through a mobile application and website interface effectively and
intuitively after being processed in the server. This data transfer system can effectively reduce
the cost and input of human resources. It is a viable solution. For other environmental research,
this system can provide an air quality data support for analysis and reference. Modularity and
cost-effectiveness are fully considered when designing the system. It is a viable solution. We can
generalize the system by slightly changing the data transmission modules. In other case, it can
be used as a platform for similar data transmission and offer help for other research directions
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