Saturday, April 17, 2021

    Libelium Smart World :Wireless Sensors for Smart Cities

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    Wireless sensor network (WSN) :

    Distributed autnomus sensors to monitor physical or environmental conditions, such as temprature, pressure, sound etc. and to cooperatively pass their data through the network to a main location.

    • The development of wireless sensor networks was motivated by military applications such as battlefield surveillance; today such networks are used in many industrial and consumer applications, such as industrial process monitoring and control, machine health monitoring, and so on.

    Smart Cities

    • Smart Parking Monitoring of parking spaces availability in the city.
    • Structural health Monitoring of vibrations and material conditions in buildings, bridges and historical monuments.
    • Noise Urban Maps Sound monitoring in bar areas and centric zones in real time.
    • Smartphone Detection Detect iPhone and Android devices and in general any device which works with WiFi or Bluetooth interfaces.
    • Eletromagnetic Field Levels Measurement of the energy radiated by cell stations and and WiFi routers.
    • Traffic Congestion Monitoring of vehicles and pedestrian levels to optimize driving and walking routes.
    • Smart Lighting Intelligent and weather adaptive lighting in street lights.
    • Waste Management Detection of rubbish levels in containers to optimize the trash collection routes.
    • Smart Roads Intelligent Highways with warning messages and diversions according to climate conditions and unexpected events like accidents or traffic jams.

    Smart Environment

    • Forest Fire Detection Monitoring of combustion gases and preemptive fire conditions to define alert zones.
    • Air Pollution Control of CO2 emissions of factories, pollution emitted by cars and toxic gases generated in farms.
    • Snow Level Monitoring Snow level measurement to know in real time the quality of ski tracks and allow security corps avalanche prevention.
    • Landslide and Avalanche Prevention Monitoring of soil moisture, vibrations and earth density to detect dangerous patterns in land conditions.
    • Earthquake Early Detection Distributed control in specific places of tremors.

    Smart Water

    • Potable water monitoring Monitor the quality of tap water in cities.
    • Chemical leakage detection in rivers Detect leakages and wastes of factories in rivers.
    • Swimming pool remote measurement Control remotely the swimming pool conditions.
    • Pollution levels in the sea Control realtime leakages and wastes in the sea.
    • Water Leakages Detection of liquid presence outside tanks and pressure variations along pipes.
    • River Floods Monitoring of water level variations in rivers, dams and reservoirs.

    Smart Metering

    • Smart Grid Energy consumption monitoring and management.
    • Tank level Monitoring of water, oil and gas levels in storage tanks and cisterns.
    • Photovoltaic Installations Monitoring and optimization of performance in solar energy plants.
    • Water Flow Measurement of water pressure in water transportation systems.
    • Silos Stock Calculation Measurement of emptiness level and weight of the goods.

    Security & Emergencies

    • Perimeter Access Control Access control to restricted areas and detection of people in non-authorized areas.
    • Liquid Presence Liquid detection in data centers, warehouses and sensitive building grounds to prevent break downs and corrosion.
    • Radiation Levels Distributed measurement of radiation levels in nuclear power stations surroundings to generate leakage alerts.
    • Explosive and Hazardous Gases Detection of gas levels and leakages in industrial environments, surroundings of chemical factories and inside mines.


    • Supply Chain Control Monitoring of storage conditions along the supply chain and product tracking for traceability purposes.
    • NFC Payment Payment processing based in location or activity duration for public transport, gyms, theme parks, etc.
    • Intelligent Shopping Applications Getting advices in the point of sale according to customer habits, preferences, presence of allergic components for them or expiring dates.
    • Smart Product Management Control of rotation of products in shelves and warehouses to automate restocking processes.


    • Quality of Shipment Conditions Monitoring of vibrations, strokes, container openings or cold chain maintenance for insurance purposes.
    • Item Location Search of individual items in big surfaces like warehouses or harbours.
    • Storage Incompatibility Detection Warning emission on containers storing inflammable goods closed to others containing explosive material.
    • Fleet Tracking Control of routes followed for delicate goods like medical drugs, jewels or dangerous merchandises.

    Industrial Control

    • M2M Applications Machine auto-diagnosis and assets control.
    • Indoor Air Quality Monitoring of toxic gas and oxygen levels inside chemical plants to ensure workers and goods safety.
    • Temperature Monitoring Control of temperature inside industrial and medical fridges with sensitive merchandise.
    • Ozone Presence Monitoring of ozone levels during the drying meat process in food factories.
    • Indoor Location Asset indoor location by using active (ZigBee) and passive tags (RFID/NFC).
    • Vehicle Auto-diagnosis Information collection from CanBus to send real time alarms to emergencies or provide advice to drivers.

    Smart Agriculture

    • Wine Quality Enhancing Monitoring soil moisture and trunk diameter in vineyards to control the amount of sugar in grapes and grapevine health.
    • Green Houses Control micro-climate conditions to maximize the production of fruits and vegetables and its quality.
    • Golf Courses Selective irrigation in dry zones to reduce the water resources required in the green.
    • Meteorological Station Network Study of weather conditions in fields to forecast ice formation, rain, drought, snow or wind changes.
    • Compost Control of humidity and temperature levels in alfalfa, hay, straw, etc. to prevent fungus and other microbial contaminants.

    Smart Animal Farming

    • Hydroponics Control the exact conditions of plants grown in water to get the highest efficiency crops.
    • Offspring Care Control of growing conditions of the offspring in animal farms to ensure its survival and health.
    • Animal Tracking Location and identification of animals grazing in open pastures or location in big stables.
    • Toxic Gas Levels Study of ventilation and air quality in farms and detection of harmful gases from excrements.

    Domotic & Home Automation

    • Energy and Water Use Energy and water supply consumption monitoring to obtain advice on how to save cost and resources.
    • Remote Control Appliances Switching on and off remotely appliances to avoid accidents and save energy.
    • Intrusion Detection Systems Detection of windows and doors openings and violations to prevent intruders.
    • Art and Goods Preservation Monitoring of conditions inside museums and art warehouses.


    • Fall Detection Assistance for elderly or disabled people living independent.
    • Medical Fridges Control of conditions inside freezers storing vaccines, medicines and organic elements.
    • Sportsmen Care Vital signs monitoring in high performance centers and fields.
    • Patients Surveillance Monitoring of conditions of patients inside hospitals and in old people’s home.
    • Ultraviolet Radiation Measurement of UV sun rays to warn people not to be exposed in certain hours.

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