Integration of knob sensors in monitoring systems

1. A monitoring system comprising:

a position sensor that is configured to generate sensor information that indicates a position of a knob of an appliance located in a property;

a controller that is configured to:

receive, from the position sensor, the sensor information that indicates the position of the knob of the appliance;

based on the sensor information, identify a knob event that indicates the position of the knob;

analyze the knob event against one or more rules 1) related to usage of the appliance and ii) generated using knob interaction patterns that reflect usage patterns of the knob and were determined using data relating to knob events maintained in memory by:

determining that the knob is positioned to activate the appliance;

determining that the property is experiencing a power outage related to the appliance; and

based on the determination that the knob is positioned to activate the appliance and the determination that the property is experiencing the power outage related to the appliance, generating a notification indicating that the knob is positioned to activate the appliance and that the property is experiencing the power outage related to the appliance, and

determine whether to perform an action related to the monitoring system based on the analysis of the knob event against one or more rules i) related to usage of the appliance and ii) generated using knob interaction patterns that reflect usage patterns of the knob and were determined using data relating to knob events maintained in memory by providing, for output, the notification indicating that the knob is positioned to activate the appliance and that the property is experiencing the power outage related to the appliance.

2. The monitoring system of claim 1 , wherein:

the controller is configured to analyze the knob event against one or more rules related to usage of the appliance by:

determining that the knob has activated the appliance; and

based on determining that the knob has activated the appliance, generating a notification that requests setting a timer, and

the controller is configured to determine whether to perform an action related to the monitoring system by:

providing, for output, the notification that requests setting the timer.

3. The monitoring system of claim 2 , wherein the controller is configured to provide the notification that requests setting the timer by providing a notification that indicates a state of the appliance caused by the knob event.

4. The monitoring system of claim 1 , wherein:

the controller is configured to analyze the knob event against one or more rules related to usage of the appliance by:

determining that the knob event has activated the appliance;

determining that a person exited the property after identifying the knob event; and

based on determining that the knob event has activated the appliance and based on determining that a person has exited the property after identifying the knob event, generating a notification indicating that the appliance is in an activated state, and

the controller is configured to determine whether to perform an action related to the monitoring system by:

based on determining that the knob event has activated the appliance and

based on determining that a person has exited the property after identifying the knob event, providing, for output, the notification indicating that the appliance is in an activated state.

5. The monitoring system of claim 4 , wherein the controller is configured to determine that a person exited the property by:

analyzing motion sensor data received from a motion sensor located at the property; and

determining that the person exited the property based on analyzing the motion sensor data.

6. The monitoring system of claim 4 , wherein the controller is configured to determine that a person exited the property by:

analyzing location data that is received from a mobile device of the person and that indicates a location of the mobile device; and

determining that the person exited the property based on analyzing the location data.

7. The monitoring system of claim 1 , wherein the controller is configured to analyze the knob event against one or more rules related to usage of the appliance by analyzing the knob event against one or more user-defined rules related to usage of the appliance.

8. The monitoring system of claim 1 , wherein the controller is further configured to:

maintain data relating to the knob events;

using the data relating to the knob events, determine the knob interaction patterns that reflect the usage patterns of the knob; and

generate the one or more rules related to the usage of the appliance based on the knob interaction patterns.

9. The monitoring system of claim 1 , wherein:

the controller is configured to analyze the knob event against one or more rules related to usage of the appliance by:

determining that the knob event has activated the appliance;

determining that a motion detector in an area of the property with the appliance has not generated motion detector information that indicates movement in a particular period of time since the appliance has been activated;

determining that the particular period of time exceeds a threshold; and

based on determining that the particular period of time exceeds the threshold, generating a notification indicating that the appliance is in an activated state and detected as being unattended, and

the controller is configured to determine whether to perform an action related to the monitoring system by:

based on determining that the particular period of time exceeds the threshold, providing, for output, the notification indicating that the appliance is in an activated state and detected as being unattended.

10. The monitoring system of claim 1 , wherein the controller is configured to:

determine that power has been restored to the appliance and that the appliance remains activated; and

based on the determination that power has been restored to the appliance and that the appliance remains activated, provide, for output, a notification indicating that the power has been restored to the appliance and that the appliance remains activated.

11. A method comprising:

receiving, by a monitoring system and from a position sensor configured to generate sensor information that indicates a position of a knob of an appliance located in a property monitored by the monitoring system, the sensor information that indicates the position of the knob of the appliance;

based on the sensor information, identifying, by the monitoring system, a knob event that indicates the position of the knob;

analyzing, by the monitoring system, the knob event against one or more rules 1) related to usage of the appliance and ii) generated using knob interaction patterns that reflect usage patterns of the knob and were determined using data relating to knob events maintained in memory by:

determining that the knob is positioned to activate the appliance;

determining that the property is experiencing a power outage related to the appliance; and

based on the determination that the knob is positioned to activate the appliance and the determination that the property is experiencing the power outage related to the appliance, generating a notification indicating that the knob is positioned to activate the appliance and that the property is experiencing the power outage related to the appliance, and

determining, by the monitoring system, whether to perform an action related to the monitoring system based on the analysis of the knob event against one or more rules i) related to usage of the appliance and ii) generated using knob interaction patterns that reflect usage patterns of the knob and were determined using data relating to knob events maintained in memory by providing, for output, the notification indicating that the knob is positioned to activate the appliance and that the property is experiencing the power outage related to the appliance.

12. The method of claim 11 , wherein:

analyzing the knob event against one or more rules related to usage of the appliance comprises:

determining that the knob has activated the appliance; and

based on determining that the knob has activated the appliance, generating a notification that requests setting a timer, and

determining whether to perform an action related to the monitoring system comprises:

providing, for output, the notification that requests setting the timer.

13. The method of claim 12 , wherein providing the notification that requests setting the timer comprises providing a notification that indicates a state of the appliance caused by the knob event.

14. The method of claim 11 , wherein:

analyzing the knob event against one or more rules related to usage of the appliance comprises:

determining that the knob event has activated the appliance;

determining that a person exited the property after identifying the knob event; and

based on determining that the knob event has activated the appliance and based on determining that a person has exited the property after identifying the knob event, generating a notification indicating that the appliance is in an activated state, and

determining whether to perform an action related to the monitoring system comprises:

based on determining that the knob event has activated the appliance and based on determining that a person has exited the property after identifying the knob event, providing, for output, the notification indicating that the appliance is in an activated state.

15. The method of claim 14 , wherein determining that a person exited the property comprises:

analyzing motion sensor data received from a motion sensor located at the property; and

determining that the person exited the property based on analyzing the motion sensor data.

16. The method of claim 14 , wherein determining that a person exited the property comprises:

analyzing location data that is received from a mobile device of the person and that indicates a location of the mobile device; and

determining that the person exited the property based on analyzing the location data.

17. The method of claim 11 , wherein analyzing the knob event against one or more rules related to usage of the appliance comprises analyzing the knob event against one or more user-defined rules related to usage of the appliance.

18. The method of claim 11 , further comprising:

maintain data relating to the knob events;

using the data relating to the knob events, determining the knob interaction patterns that reflect the usage patterns of the knob; and

generating the one or more rules related to the usage of the appliance based on the knob interaction patterns.

19. The method of claim 11 , wherein:

analyzing the knob event against one or more rules related to usage of the appliance comprises:

determining that the knob event has activated the appliance;

determining that a motion detector in an area of the property with the appliance has not generated motion detector information that indicates movement in a particular period of time since the appliance has been activated;

determining that the particular period of time exceeds a threshold; and

based on determining that the particular period of time exceeds the threshold, generating a notification indicating that the appliance is in an activated state and detected as being unattended, and

determining whether to perform an action related to the monitoring system comprises:

based on determining that the particular period of time exceeds the threshold, based on determining that the particular period of time exceeds the threshold, providing, for output, the notification indicating that the appliance is in an activated state and detected as being unattended.

20. The method of claim 11 , further comprising:

determining that power has been restored to the appliance and that the appliance remains activated; and

based on the determination that power has been restored to the appliance and that the appliance remains activated, providing, for output, a notification indicating that the power has been restored to the appliance and that the appliance remains activated.