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Sensor networks

Sensor networks

Wireless sensor networks are autonomous devices which work collaboratively in order to gather information about the surroundings or a specific environment. Each element of the network is relatively cheap and normally communicates by wireless technology, providing a system that is flexible and easy to install in large quantities.

The Wireless Sensor Networks (WSN) are made up of autonomous devices, distributed throughout an area of interest and the goal of which is to monitor physical or environmental parameters such as temperature, sound, vibrations, pressure, movement or contaminant agents. It is deemed to be one of the key technologies for implementing the Internet of Things (IoT).

The devices work collaboratively in order to gather data and send it to a central collection centre, choosing the optimum communications route (device to device) through the network until reaching its destination. The networks of sensors are usually bidirectional, thus enabling the devices, sending commands or acting on the environment. In this latter case, it is known as WSAN (Wireless Sensors and Actuator Networks).

One of the most interesting characteristics of the Sensor Networks is its low consumption given that it provides devices that are autonomous (typically between 5 and 10 years). This enables the sensors to be deployed at poorly accessible locations or even to be integrated within the structures. If, moreover, we add energy harvesting technologies, the range for the device could be infinite.

However, one of the greatest barriers to the networks of sensors is that they are difficult to deploy and manage. At IK4-TEKNIKER, we have defined the Plug&Play&Forget philosophy that has enabled the management of sensor networks by non-expert users.

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    Wireless sensor networks are autonomous devices which work collaboratively in order to gather information about the surroundings or a specific environment. Each element of the network is relatively cheap and normally communicates by wireless technology, providing a system that is flexible and easy to install in large quantities.

    [fase_1] => [fase_2] => [fase_3] => [fase_4] => [texto_2] =>

    The Wireless Sensor Networks (WSN) are made up of autonomous devices, distributed throughout an area of interest and the goal of which is to monitor physical or environmental parameters such as temperature, sound, vibrations, pressure, movement or contaminant agents. It is deemed to be one of the key technologies for implementing the Internet of Things (IoT).

    The devices work collaboratively in order to gather data and send it to a central collection centre, choosing the optimum communications route (device to device) through the network until reaching its destination. The networks of sensors are usually bidirectional, thus enabling the devices, sending commands or acting on the environment. In this latter case, it is known as WSAN (Wireless Sensors and Actuator Networks).

    One of the most interesting characteristics of the Sensor Networks is its low consumption given that it provides devices that are autonomous (typically between 5 and 10 years). This enables the sensors to be deployed at poorly accessible locations or even to be integrated within the structures. If, moreover, we add energy harvesting technologies, the range for the device could be infinite.

    However, one of the greatest barriers to the networks of sensors is that they are difficult to deploy and manage. At IK4-TEKNIKER, we have defined the Plug&Play&Forget philosophy that has enabled the management of sensor networks by non-expert users.

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    CHARACTERISTICS OF THE EQUIPMENT
    • Simulation of conditions of temperature (-70-180ºC) and humidity (10%-98% RH)

    EXPERTISE

    • Development of validation protocols for equipment and products under different conditions of temperature and humidity.
    ) [1] => Array ( [id] => 44 [titulo] => Test equipment for electromagnetic compatibility (EMC) [imagen] => Equipamiento_Ensayos_Compativilidad_Electromagnetica2.jpg [texto] =>
    CHARACTERISTICS OF THE EQUIPMENT
    • ETS-Lindgren GTEM 5407 Test Cell
      • External dimensions: 4.0m length, 2.2m width, 2.1m (including base) height
      • maximum recommendable dimensions for the EUT (Equipment Under Test), in the central zone of the cell: 40cm (width) x 40cm (height)
    • E4404B series spectrum analyser, frequency range: 9kHz – 6.7GHz
    • Agilent N9304A portable spectrum analyser, frequency range: 100kHz - 3GHz
    • RadiGen RF RGN6000A signal generator, frequency range: 9KHz – 6GHz, CW, AM (1Hz-100kHz) and pulse modulation: (200ns – 10s pulse on/off time)
    • 30W1000B RF research amplifier (30 Watt CW, 1-1000MHz)
    • RadiSense RSS1006A E-field probe, range: 10MHz-6GHz.
    • RadiMation RMR2002A software for tests
    • LISN PMM L2-16
    • Schaffner Interference Simulator, made up of the following elements:
      • NSG 200E
      • NSG 223A
      • NSG 225A
      • NSG433
    • Close-Field Probes and amplifier:
      • HP 8447F OPTH64: amplifier
      • HP 11940A, 30MHz – 1GHz probe
      • HP 11941A, 9kHz – 30MHz probe

    EXPERTISE

    • Internal pre-certification tests for radiation emission prototypes, conducted immunity, radiated immunity
    • Non-approved tests in compliance with general EMC EN 61000-6-3 norm for residential environments, or EN 61000-6-4 norm for industrial environments
      • emission measurements, in compliance with EN 61000-6-3 and/or EN55022 norms
      • Radiated immunity tests, in compliance EN 61000-4-3 norm
      • Conducted immunity tests EN 61000-4-6
      • Electrostatic discharges EN 61000-4-2 norm
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