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Adaptive Cover

This Custom-Integration provides sensors for vertical and horizontal blinds based on the sun's position by calculating the position to filter out direct sunlight.

This integration builds upon the template sensor from this forum post Automatic Blinds

Features

  • Individual service devices for vertical, horizontal and tilted covers

  • Two mode approach with multiple strategies Modes(basic,climate)

  • Binary Sensor to track when the sun is in front of the window

  • Sensors for start and end time

  • Auto manual override detection

  • Climate Mode

    • Weather condition based operation
    • Presence based operation
    • Switch to toggle climate mode
    • Sensor for displaying the operation modus (winter,intermediate,summer)

  • Adaptive Control

    • Turn control on/off
    • Control multiple covers
    • Set start time to prevent opening blinds while you are asleep
    • Set minimum interval time between position changes
    • set minimum percentage change

Installation

HACS (Recommended)

Add https://github.com/basbruss/adaptive-cover as custom repository to HACS. Search and download Adaptive Cover within HACS.

Restart Home-Assistant and add the integration.

Manual

Download the adaptive_cover folder from this github. Add the folder to config/custom_components/.

Restart Home-Assistant and add the integration.

Setup

Adaptive Cover supports (for now) three types of covers/blinds; Vertical and Horizontal and Venetian (Tilted) blinds. Each type has its own specific parameters to setup a sensor. To setup the sensor you first need to find out the azimuth of the window(s). This can be done by finding your location on Open Street Map Compass.

Cover Types

Vertical Horizontal Tilted
alt text alt text alt text
Movement Up/Down In/Out Tilting
variables variables variables

Modes

This component supports two strategy modes: A basic mode and a climate comfort/energy saving mode that works with presence and temperature detection.

  graph TD

  A[("fa:fa-sun Sundata")]
  A --> B["Basic Mode"]
  A --> C["Climate Mode"]

  subgraph "Basic Mode"
      B --> BA("Sun within field of view")

      BA --> |No| BC{{Default}}
      BC --> BE("Time between sunset and sunrise?")
      BE --> |Yes| BF["Return default"]
      BE --> |No| BG["Return Sunset default"]

      BA --> |Yes| BD("Elevation above 0?")
      BD --> |Yes| BH{{"Calculated Position"}}
      BD --> |No| BC
  end

  subgraph "Climate Mode"
      C --> CA("Check Presence")
  end

  subgraph "Occupants"
      CA --> |True| CB("Temperature above maximum comfort (summer)?")

      CB --> |Yes| CD("Transparent blind?")
      CB --> |No| CE("Lux/Irradiance below threshold or Weather is not sunny?")

      CD --> |Yes| CF["Return fully closed (0%)"]
      CD --> |No| B

      CE --> |Yes| CG("Temperature below minimum comfort (winter) and sun infront of window and elevation > 0?")
      CE --> |No| B

      CG --> |Yes| CH["Return fully open (100%)"]
      CG --> |No| BC
  end

  subgraph "No Occupants"
      CA --> |False| CC("Sun infront of window and elevation > 0?")
      CC --> |No| BC
      CC --> |Yes| CI("Temperature above maximum comfort (summer)?")
      CI --> |Yes| CF
      CI --> |No| CJ("Temperature below minimum comfort (winter)")
      CJ --> |Yes| CH
      CJ --> |No| BC
  end
Loading

Basic mode

This mode uses the calculated position when the sun is within the specified azimuth range of the window. Else it defaults to the default value or after sunset value depending on the time of day.

Climate mode

This mode calculates the position based on extra parameters for presence, indoor temperature, minimal comfort temperature, maximum comfort temperature and weather (optional). This mode is split up in two types of strategies; Presence and No Presence.

Climate strategies

  • No Presence: Providing daylight to the room is no objective if there is no presence.

    • Below minimal comfort temperature: If the sun is above the horizon and the indoor temperature is below the minimal comfort temperature it opens the blind fully or tilt the slats to be parallel with the sun rays to allow for maximum solar radiation to heat up the room.

    • Above maximum comfort temperature: The objective is to not heat up the room any further by blocking out all possible radiation. All blinds close fully to block out light.

      If the indoor temperature is between both thresholds the position defaults to the set default value based on the time of day.

  • Presence (or no Presence Entity set): The objective is to reduce glare while providing daylight to the room. All calculation is done by the basic model for Horizontal and Vertical blinds.

    If you added a weather entity, it will only use the above calculations if the weather state corresponds with the existence of direct sun rays. These states are sunny,windy, partlycloudy, and cloudy by default, but you can change the list of states in the weather options. If not equal to these states the position will default to the default value to allow more sunlight entering the room with minimizing the glare due to the weather condition.

    Tilted blinds will only deviate from the above approach if the inside temperature is above the maximum comfort temperature. In that case, the slats will be positioned at 45 degrees as this is found optimal.

Variables

Common

Variables Default Range Description
Entities [] Denotes entities controllable by the integration
Window Azimuth 180 0-359 The compass direction of the window, discoverable via Open Street Map Compass
Default Position 60 0-100 Initial position of the cover in the absence of sunlight glare detection
Minimal Position 100 0-99 Minimal opening position for the cover, suitable for partially closing certain cover types
Maximum Position 100 1-100 Maximum opening position for the cover, suitable for partially opening certain cover types
Field of view Left 90 1-90 Unobstructed viewing angle from window center to the left, in degrees
Field of view Right 90 1-90 Unobstructed viewing angle from window center to the right, in degrees
Minimal Elevation None 0-90 Minimal elevation degree of the sun to be considered
Maximum Elevation None 1-90 Maximum elevation degree of the sun to be considered
Default position after Sunset 0 0-100 Cover's default position from sunset to sunrise
Offset Sunset time 0 Additional minutes before/after sunset
Offset Sunrise time 0 Additional minutes before/after sunrise
Inverse State False Calculates inverse state for covers fully closed at 100%

Vertical

Variables Default Range Description
Window Height 2.1 0.1-6 Length of fully extended cover/window
Workarea Distance 0.5 0.1-2 The distance to the workarea on equal height to the bottom of the cover when fully extended

Horizontal

Variables Default Range Description
Awning Height 2 0.1-6 Height from work area to awning mounting point
Awning Length (horizontal) 2.1 0.3-6 Length of the awning when fully extended
Awning Angle 0 0-45 Angle of the awning from the wall
Workarea Distance 0.5 0.1-2 Distance to the work area

Tilt

Variables Default Range Description
Slat Depth 3 0.1-15 Width of each slat
Slat Distance 2 0.1-15 Vertical distance between two slats in horizontal position
Tilt Mode Bi-directional

Automation

Variables Default Range Description
Minimum Delta Position 1 1-90 Minimum position change required before another change can occur
Minimum Delta Time 2 Minimum time gap between position change
Start Time "00:00:00" Earliest time a cover can be adjusted after midnight
Start Time Entity None The earliest moment a cover may be changed after midnight. Overrides the start_time value
Manual Override Duration 15 min Minimum duration for manual control status to remain active
Manual Override reset Timer False Resets duration timer each time the position changes while the manual control status is active
Manual Override Threshold None 1-99 Minimal position change to be recognized as manual change
Manual Override ignore intermediate states False Ignore StateChangedEvents that have state opening or closing
End Time "00:00:00" Latest time a cover can be adjusted each day
End Time Entity None The latest moment a cover may be changed . Overrides the end_time value
Adjust at end time False Make sure to always update the position to the default setting at the end time.

Climate

Variables Default Range Example Description
Indoor Temperature Entity None climate.living_room | sensor.indoor_temp
Minimum Comfort Temperature 21 0-86
Maximum Comfort Temperature 25 0-86
Outdoor Temperature Entity None sensor.outdoor_temp
Outdoor Temperature Threshold None If the minimum outside temperature for summer mode is set and the outside temperature falls below this threshold, summer mode will not be activated.
Presence Entity None
Weather Entity None weather.home Can also serve as outdoor temperature sensor
Lux Entity None sensor.lux Returns measured lux
Lux Threshold 1000 "In non-summer, above threshold, use optimal position. Otherwise, default position or fully open in winter."
Irradiance Entity None sensor.irradiance Returns measured irradiance
Irradiance Threshold 300 "In non-summer, above threshold, use optimal position. Otherwise, default position or fully open in winter."

Blindspot

Variables Default Range Example Description
Blind Spot Left None 0-max(fov_right, 180) Start point of the blind spot on the predefined field of view, where 0 is equal to the window azimuth - fov left.
Blind Spot Right None 1-max(fov_right, 180) End point of the blind spot on the predefined field of view, where 1 is equal to the window azimuth - fov left + 1 .
Blind Spot Elevation None 0-90 Minimal elevation of the sun for the blindspot area.

Entities

The integration dynamically adds multiple entities based on the used features.

These entities are always available:

Entities Default Description
sensor.{type}_cover_position_{name} Reflects the current state determined by predefined settings and factors such as sun position, weather, and temperature
sensor.{type}_control_method_{name} intermediate Indicates the active control strategy based on weather conditions. Options include winter, summer, and intermediate
sensor.{type}_start_sun_{name} Shows the starting time when the sun enters the window's view, with an interval of every 5 minutes.
sensor.{type}_end_sun_{name} Indicates the ending time when the sun exits the window's view, with an interval of every 5 minutes.
binary_sensor.{type}_manual_override_{name} off Indicates if manual override is engaged for any blinds.
binary_sensor.{type}_sun_infront_{name} off Indicates whether the sun is in front of the window within the designated field of view.
switch.{type}_toggle_control_{name} on Activates the adaptive control feature. When enabled, blinds adjust based on calculated position, unless manually overridden.
switch.{type}_manual_override_{name} on Enables detection of manual overrides. A cover is marked if its position differs from the calculated one, resetting to adaptive control after a set duration.
button.{type}_reset_manual_override_{name} on Resets manual override tags for all covers; if switch.{type}_toggle_control_{name} is on, it also restores blinds to their correct positions.

When climate mode is setup you will also get these entities:

Entities Default Description
switch.{type}_climate_mode_{name} on Enables climate mode strategy; otherwise, defaults to the standard strategy.
switch.{type}_outside_temperature_{name} on Switches between inside and outside temperatures as the basis for determining the climate control strategy.

entities

Features Planned

  • Manual override controls

    • Time to revert back to adaptive control
    • Reset button
    • Wait until next manual/none adaptive change

  • Algorithm to control radiation and/or illumination

Simulation

combined_simulation

Blueprint (deprecated since v1.0.0)

This integration provides the option to download a blueprint to control the covers automatically by the provide sensor. By selecting the option the blueprints will be added to your local blueprints folder.