IoT Technologies and its support in Sofia2

p1

IoT technologies make it easy to connect all kinds of things to the network and develop applications to control and manage these “things”. All the complexities of enabling connectivity, services, and deployment for these devices is the task of the IoT platform.

An IoT platform ensures integration with different hardware devices supporting a wide range of communication protocols. Through the integration interfaces provided by the platform, you can also manage the IoT data collected to specific systems for data visualization, data storage, as well as transmitting data to connected devices (configuration, notifications) or between them (controls, events ).

IoT platforms are also known as IoT Middleware, which underlines its functional role as mediator between hardware and application layers.

Let’s see an IoT flow and the components involved:

p1.PNG

Sofia2 supports each and every one of the modules in the previous diagram as follows:

 Things

         Generic IoT Platform                                  Sofia2 IoT Platform

p2                 thingssofia2

We understand Things as any device that is capable of sending data, whether sensors, surveillance cameras, robotic arms, Smart watch … Some of the devices supported by Sofia2 are:

  • Devices:
    • Opening and closing doors sensor : CLIMAX, Leedarson, Nyce, Wulian, Centralite.
    • Environmental thermometer: Several manufactures
    • Pulsoximetros: several manufactures using IEEE protocol
  • Smart Home: presence sensor: CLIMAX, Leedarson, Nyce, Wulian, Centralite, DEVELCO.
  • Smart Building: Smart Plug: Meazon, 4-Noks
  • Smart Retail:
    • Thermostat: 4-Noks, Centralite
    • IP Camera: D-LINK, Panasonic
    • Temperature and humidity sensor: Wulian, Centralite, Leedarson
    • Smoke and gas sensor: CLIMAX, DEVELCO, Leedarson, Wulian
    • Flood sensor: Centralite, CLIMAX, DEVELCO, Wulian
    • Light sensor: Leedarson
    • Smoke Listener: Centralite
    • Siren: Metalligence, Wulian
    • LED illumination: LG, Leedarson
    • Switches: CLIMAX, Centralite
    • Thermostatic valve: CLIMAX
    • Weather station: Adafruit sensors
    • Beacon: Indra, Estimote
    • Panic button: CLIMAX, Centralite
    • Smart Meters: Several manufactures
  • Smart Cities: Environmental humidity sensor: several manufactures
  • Smart Traffic: Sensor power consumption: several manufactures
  • Smart Agro: Flowmeter: several manufactures
  • Smart Tourism:
    • Tensiometer: several manufactures
    • Potentiometer: several manufactures
    • Smart metering: several manufactures
    • Traffic ligth: Cross
    • Intelligent lighting: UVAX, LUIX
    • Libelium sensors
      • Air Quality
      • Atmospheric pressure
      • Temperature
      • Humidity
      • Luminosity
      • Waspmote internal temperature, batterty level, accelerometer
  • Smart Health: scales, several manufactures using IEEE protocol
  • Smart Insurance:
    • Tensiometers: several manufactures using IEEE protocol
    • Thermometer: Fora
    • Glucometer: Fora
    • Nociceptor: several manufactures
    • Anesthesia tower: Drager, General Electric
    • Pressure sensor in bed
    • Fall sensor
    • SmartBand: Withings
  • Otros:
    • Quadrirotor/Drone: Indra, 3DRobotics, Microsoft IPCam
    • Rover/Drone: Indra
    • Raspberry Pi: Indra
    • ARduino

In addition to supporting the data collection of all these devices, Sofia2 also allows the ingestion of data from other types of sources, such as RRSS, APIs and general files:

dispositivossofia2people

Conectivity

Generic IoT Platform        Sofia2 IoT Platform

p3.PNG    Comunicacion Sofia2

Sofia2 is agnostic of the communications, with implementations in multiple protocols of light communication (REST, OPC, MODBUS,  WebSockets, MQTT, WS, JMS, AMQP…)

In addition, among others, the gateways supported by Sofia2 are:

gatewayssofia21

Services and Cloud

 Generic IoT Platform                                   Sofia2 IoT Platform

p4.PNGServiciosycloudSofia2

In the platform Sofia2 the following elementary concepts are defined:

smart space sofia2

SmartSpace

It is the collaborative universe of systems and/or devices (ThinKPs) that exchange information between them. The core of a Smart Space is the SIB (Semantic Information Broker):

SIB: It is the core of the Smart Space, acts as an element of integration of the information exchanged by the devices. There may be several in a Smart Space.

ThinKP: Each of the systems and / or applications that interoperate in the Smart Space through the SIB must be defined as ThinKP in the same. The ThinKP is an element deployed in the Smart Space that can consume and/or produce information.

Ontology: Semantic atomic element with which to model the different information systems that interoperate in the Smart Space domain.

Ontologies are semantic descriptions of a set of classes. In this way, applications that share classes (usually called concepts) of the same ontology, can exchange information through concrete instances of these common classes.

In Sofia2, these ontologies are represented in JSON-Schema format that defines and validates them.

In terms of data storage in Sofia2 we distinguish between:

databases

For each ontology can be configured a time window from which the information is considered ‘historical’.

The information remains in this database until it is automatically migrated to the historical information repository.

The stored information will be available as data source for the different modules of the platform: Integration, Machine Learning, APIManager.

Sofia2 has an API Manager with the following capabilities:

Sofia2ApiManager

Apps and Analytics

Generic IoT Platform                             Sofia2 IoT Platform

p5   AppsyAnalyticsSofia2

In sofia2/console we will find the user interface and experimentation environment with all the capabilities of the platform. In it we can not only create Ontologies to model our data, ThinKPs or ingest data files or RRSS, but also we can create rules (SCRIPTS) to process all this information in the way we are most interested, to visualize this data in Gadgets and Dashboards Or publish ontologies via API. We also have Analytics modules that will allow us to create pipelines and notebooks, or create Machine Learning flows:

ML

To conclude, here we can see the architecture of the platform Sofia2:

ArquitecturaSofia2

As well as an overview of the Sofia2 components:

flujo general Sofia2

IoT Technologies and its support in Sofia2

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