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What is Sensors

Handbook of Research on ICTs and Management Systems for Improving Efficiency in Healthcare and Social Care
Device that receives and responds to a signal or stimulus.
Published in Chapter:
Optical Fiber Technology for eHealthcare
Nélia Jordão Alberto (Instituto de Telecomunicações, Portugal), Lúcia Maria Botas Bilro (Instituto de Telecomunicações, Portugal), Paulo Fernando da Costa Antunes (Instituto de Telecomunicações, Portugal & Departamento de Física da Universidade de Aveiro, Portugal), Cátia Sofia Jorge Leitão (University de Aveiro, Portugal), Hugo Filipe Teixeira Lima (University de Aveiro, Portugal), Paulo Sérgio de Brito André (Instituto de Telecomunicações, Portugal & Departamento de Física da Universidade de Aveiro, Portugal), Rogério Nunes Nogueira (Instituto de Telecomunicações, Portugal), and João de Lemos Pinto (University de Aveiro, Portugal)
DOI: 10.4018/978-1-4666-3990-4.ch009
Abstract
In the last years, optical fiber based sensors and systems for ehealthcare attracted the attention of the scientific community. Over this chapter, optical fiber technology is presented, referring the different types of optical fibers, its main characteristics, and advantages over other sensing methodologies. In addition, optical fiber based sensors and sensing techniques are discussed and several works reported in the literature are reviewed showing that they are a valuable technique to improve healthcare service to the community and as a potential solution to answer different problems. The final section of the chapter consists of the description of three applications of optical sensors in healthcare, namely monitoring of human joint movement, measuring strain of biological tissues, and characterization of medical materials.
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Optical Fiber Technology for eHealthcare
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Human Factors Problems of Wearable Computers
Devices that produce digital output in response to some change in a measured parameter, for example dependent on environmental change or on user activity
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Sensor-Based Technology in the Hospitality Industry
Sensors are the modules, or devices, which helps to detect changes or events in its environment and accordingly responds and sends information to other electronics.
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Detecting Intrusions in Cyber-Physical Systems of Smart Cities: Challenges and Directions
These are responsible for collecting evidence regarding the events. It is one of the most critical components of the IDS. The input for a sensor may be any component of a network that could generate useful information regarding intrusions. Some kind of input for a sensor may be composed of the log files, network packets, traces of the system calls, etc. Sensors also send the intrusion-related data to the data analyzer of the IDS 5 .
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Providing Safety and Detecting Accidents in Bike Transport With Smart Helmets Using IoT
Sensors are devices that can measure a physical quantity like temperature, humidity, etc., and convert it into a signal, which can be read and interpreted by the microcontroller unit.
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Intelligent Software Agents with Applications in Focus
Software component and part of the agent used as a mean of acquiring information about current state of the agent environment (i.e., agent percepts).
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Industrial Automation Using Mobile Cyber Physical Systems
A sensor is a device that detects the changes in the environment and responds to the change in the form an output signal to another system or actuator.
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IoT Security: To Secure IoT Devices With Two-Factor Authentication by Using a Secure Protocol
A device that reacts to a physical boost, (for example, heat, light, stable, weight, attraction, or a specific movement) and transmits a subsequent impulse (with respect to estimation or working a control).
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Patient Health Monitoring Using IoT
A device which detects physical property and responds to it.
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Risk Management in the Oil and Gas Industry Related to the AI Tools
A device that detects and responds to some type of input from the physical environment.
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Context-Aware Computing for Persons with Disabilities
Sensors are complex devices that are used to detect and respond to signals. A Sensor converts the physical parameter (for example: temperature) into electrical or optical signals which can be measured electrically.
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Deep Learning Applications in Agriculture: The Role of Deep Learning in Smart Agriculture
It is a device or module, and its task is to identify the variations in its physical or electrical or other quantities and produces an output as a response to that change.
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Fog Computing in Industrial Internet of Things
A device that detects a physical property indicates and responds accordingly.
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Home Design Using Robotic Devices: 3D Bioclimatic Home Design Utilizing Arduino
A device which detects or measures a physical property and records, indicates, or otherwise responds to it.
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Management of Obese Pediatric Patients in the Digital Era
A sensor is a device which can detect input from its physical environment, in our case from the human body. The sensor output is an electronic signal which can be transmitted and displayed.
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Importance of Big Data
Devices that act as a transducer to transform energy in physical environment into electrical signals. They can “sense” a physical change in the surrounding environment or other characteristics that may change due to some excitation, such as heat or force, convert that into an electrical signal and convey the information to the controlling stations.
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An Application of Big Data Analytics in Road Transportation
A device that detects or measures a physical property and records, indicates, or otherwise responds to it.
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Safeguarding of ATM
A device which detects or measures a physical property and records indicates or otherwise responds to it.
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An IoE Architecture for the Preservation of the Cultural Heritage: The STORM Use Case
The devices that manage to observe and measure physical characteristics and provide a digital representation of the measurement.
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Applications of Wireless Sensor Networks
Devices that measure data from the environment and which they can pass on.
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Intelligent Software Agents and Multi-Agent Systems
Software component and part of the agent used as a mean of acquiring information about current state of the agent environment (i.e., agent percepts).
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Analysis of Bluetooth Versions (4.0, 4.2, 5, 5.1, and 5.2) for IoT Applications
It is a device such as probes, gauges, meters, etc. those sense the physical parameters like temperature, humidity, object presence, light, etc. from an environment and convert it into an equivalent electrical signal.
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Cooperative Approach for Intelligent and Smart Agriculture System
A sensor is a device that produces an output signal for the purpose of sensing of a physical phenomenon.
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Integration of Blockchain and IoT (BIoT): Applications, Security Issues, and Challenges
A sensor is a device that detects physical input from its surroundings and transforms this into facts that can be evaluated by humans or machines.
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Digitizing the Physical: Physicalizing the Digital
Digital interface devices that capture specific information or experiences, and transfer them to a computer through an interface board or microcontroller.
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Mobile Phone Sensing in Scientific Research
Electronic devices developed to detect events, changes in environment or behavior, and produce outputs in electrical or optical signals.
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Early Detection and Recovery Measures for Smart Grid Cyber-Resilience
These are responsible for collecting evidence regarding events. Especially, if the agents mentioned earlier are in the form of hardware, they are referred to as “sensors.”
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Safeguarding of ATM
A device which detects or measures a physical property and records indicates or otherwise responds to it.
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