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Artificial intelligence

aedifion uses Artificial Intelligence (AI) in several ways to improve the user experience and building operation of our customers and as part of the .analytics product. This allows human engineers to work faster and smarter with their data.

Data point classification

This AI application uses the statistical properties of a data stream to identify what kind of data source is producing it. In doing so, it tries to answer the following five questions:

  • Is the datapoint an analog or a digital signal?
  • Is it a physical measurement, or a virtual data point?
  • Is the value an input, or an output?
  • What exactly is the type of the data (e.g., temperature, pressure ...)?
  • What is the physical unit of the data (e.g., bar, Pascal ...)

As an answer to each question, a label is assigned to each data point. Each label can have a certain amount of values, with all possible choices explained in the Available Classes subsection. The AI assigns a probability to each possible class and then chooses the most probable class as the value for the label.The information is then used to help you.

  • Identify the data point you are looking for
  • Identify mislabeled data points
  • Find installation errors, e.g., swapped values for inflow and return temperatures
  • Convert values for further use, e.g., when summing up energy consumption from sources with different units

Available Classes

These are the labels that the AI tries to identify, and all possible values it can choose from.

L1_analog_digital
  1. /analog
    The datapoint is providing analog values.
  2. /digital
    The datapoint is providing binary (0 and 1) values.
  3. /multi-state
    The datapoint is providing a set of different discrete values (e.g., 1,2,3,4). This is frequently done for status messages where each id represents a status message.
L2_virtual
  1. /physical
    The datapoint reflects a real physical measurement. Replicated datapoints of physical measurements are also physical.
  2. /virtual
    The datapoint represents a purely virtual time series.
L3_direction
  1. /input
    Datapoint is an input to a control instance.
  2. /output
    Datapoint is an output to a control instance.
L4_type
  1. /counter
    Accumulating counter. Monotonically increasing.
  2. /electric/current
    Measurand for the current
  3. /electric/frequency
    Measurand for the utility frequency.
  4. ./electric/power factor
    Measurand for the power factor (cos phi).
  5. /electric/resistor
    Measurand for electrical resistance.
  6. /electric/voltage
    Measurand for the voltage.
  7. /energy/chill energy
    Measurand for chill energy e.g., in an AC unit.
  8. /energy/electrical energy
    Measurand for electrical energy.
  9. /energy/heat energy
    Measurand for heat energy e.g., in a radiator.
  10. /gas concentration/CO2
    Measurand for the CO2 concentration.
  11. /gas concentration/VOC
    Measurand for the concentration of Volatile Organic Compounds.
  12. /global radiation
    Global ambient radiation.
  13. /illumination intensity
    Measures total luminous flux incident on a surface.
  14. /message/alarm
    The datapoint displays error states of a device.
  15. /message/available
    A message indicating that a device is ready to be enabled.
  16. /message/modus
    A notification on the current operation mode of a device.
  17. /message/operating
    The datapoint displays messages about a device's operation.
  18. /message/presence
    A binary notification of a presence sensor.
  19. /message/switch command
    A request to turn a device on or off.
  20. /operating time
    Datapoint displays the cumulative operation time of a device.
  21. /parameter/parameter
    System parameters e.g., maximum valve opening.
  22. /parameter/setpoint
    Set points, e.g., pressure set points.
  23. /position/damper position
    Position of air duct dampers.
  24. /position/misc
    Position of all other actuators.
  25. /position/valve position
    Position of a valve.
  26. /power/electric
    Electric consumption or production.
  27. /power/thermal
    Thermal power, i.e. enthalpy flux or power transferred over a heat exchanger.
  28. /pressure/gaseous/absolute
    Measurand of absolute pressure in a gas.
  29. /pressure/gaseous/differential
    Measurand of differential pressure in a gas.
  30. /pressure/liquid/absolute
    Measurand of absolute pressure in a liquid.
  31. /pressure/liquid/differential
    Measurand of differential pressure in a liquid.
  32. /relative humidity
    Measurand of relative humidity.
  33. /rotational speed
    The datapoint represents a rotational speed of rotating equipment (e.g., fans or pumps).
  34. /temperature/difference
    This datapoint represents a temperature difference between two locations.
  35. /temperature/gaseous/exhaust
    The temperature represents a temperature in a gas leaving the building.
  36. /temperature/gaseous/extract
    The temperature represents a temperature in a gas leaving a room.
  37. /temperature/gaseous/indoor
    The temperature represents a temperature in a gas inside the building.
  38. /temperature/gaseous/misc
    The temperature represents a temperature in a gas which does not fall into any other category.
  39. /temperature/gaseous/outdoor
    The temperature represents a temperature in a gas outside or gas coming directly from outside..
  40. /temperature/gaseous/recirculation
    The temperature represents a temperature in a gas which is the output of a system and being reintroduced into a system.
  41. /temperature/gaseous/supply
    The temperature represents a temperature in a gas flowing into a room or a system.
  42. /temperature/liquid/cold/input flow
    The datapoint represents a temperature of a cold input flow of a liquid.
  43. /temperature/liquid/cold/return flow
    The datapoint represents a temperature of a cold return flow of a liquid.
  44. /temperature/liquid/cold/storage tank
    The datapoint represents a temperature in a cold storage tank for liquid.
  45. /temperature/liquid/hot/input flow
    The datapoint represents a temperature of a hot input flow of a liquid.
  46. /temperature/liquid/hot/return flow
    The datapoint represents a temperature of a hot return flow of a liquid.
  47. /temperature/liquid/hot/storage tank
    The datapoint represents a temperature in a hot storage tank for liquid.
  48. /temperature/liquid/warm/input flow
    The datapoint represents a temperature of a warm input flow of a liquid.
  49. /temperature/liquid/warm/return flow
    The datapoint represents a temperature of a warm return flow of a liquid.
  50. /temperature/liquid/warm/storage tank
    The datapoint represents a temperature in a warm storage tank for liquid.
  51. /volume flow/gaseous
    Measurand of a volume flow inside a gas.
  52. /volume flow/liquid
    Measurand of a volume flow inside a liquid medium.
  53. /wind speed
    Measurand of the windspeed usually from a weather station.
L5_unit
  1. /electric/Ampere
    The datapoints observations are measured in Ampere.
  2. /electric/Ohm
    The datapoints observations are measured in Ohm.
  3. /electric/Volt
    The datapoints observations are measured in Volt.
  4. /energy/Joule
    The datapoints observations are measured in Joule.
  5. /energy/KiloBTU
    The datapoints observations are measured in 1000 British thermal units.
  6. /energy/KiloWattHours
    The datapoints observations are measured in Kilowatt hours.
  7. /energy/TonHours
    The datapoints observations are measured in Ton hours (of refrigeration).
  8. /energy/WattHours
    The datapoints observations are measured in Watt hours.
  9. /frequency/Hertz
    The datapoints observations are measured in Hertz.
  10. /frequency/rpm
    The datapoints observations are measured in revolutions per minute.
  11. /light/Candela
    The datapoints observations are measured in Candela.
  12. /light/Lumen
    The datapoints observations are measured in Lumen.
  13. /light/Lux
    The datapoints observations are measured in Lux.
  14. /power/KiloBTUsPerHour
    The datapoints observations are measured in 1000 British thermal units per hour.
  15. /power/Kilowatt
    The datapoints observations are measured in Kilowatt.
  16. /power/TonsRefrigeration
    The datapoints observations are measured in tons of refrigeration.
  17. /power/Watt
    The datapoints observations are measured in Watt.
  18. /pressure/Pascal
    The datapoints observations are measured in Pascal.
  19. /pressure/bar
    The datapoints observations are measured in bar.
  20. /scalar/degrees
    The datapoints observations are angle measured in degrees.
  21. /scalar/generic
    The datapoints observations are generic without unit (e.g., counts, status messages, ...).
  22. /scalar/percent
    The datapoints observations are percentage values.
  23. /scalar/ppm
    The datapoints observations are parts per million counts.
  24. /scalar/radiant
    The datapoints observations are angles measured in radians.
  25. /speed/kmPerHour
    The datapoints observations are measured in kilometers per hour.
  26. /speed/meterPerSecond
    The datapoints observations are measured in meters per second.
  27. /temperature/Celsius
    The datapoints observations are measured in degrees Celsius.
  28. /temperature/Fahrenheit
    The datapoints observations are measured in degrees Fahrenheit.
  29. /temperature/Kelvin
    The datapoints observations are measured in Kelvin.
  30. /time/hours
    The datapoints observations are measured in hours.
  31. /time/minutes
    The datapoints observations are measured in minutes.
  32. /time/seconds
    The datapoints observations are measured in seconds.
  33. /volume flow/cubicMetersPerHour
    The datapoints observations are measured in cubic meters per hour.
  34. /volume flow/gallonsPerMinute The datapoints observations are measured in cubic gallons per minute.
  35. /volume flow/litersPerMinute
    The datapoints observations are measured in cubic liters per minute.
  36. /volume flow/litersPerSecond
    The datapoints observations are measured in liters per second.

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