Profile selection for aerosol-generating device

Abstract

An aerosol-generating device is provided for generating an aerosol from an aerosol-generating article including an aerosol-forming substrate, the device being configured to generate the aerosol during a usage session including a usage session start and end, the device including: a heater assembly to heat the substrate; a power supply to supply power to the assembly; and control circuitry including a memory in which a plurality of predetermined heating profiles are stored, at least one profile having a first duration and another profile having a different second duration, the control circuitry being configured to detect a trigger condition and select a predetermined heating profile for use based on the detected condition, the selected profile having either the first or the second duration, and the trigger condition being dependent on at least one of a user interaction with the device or a property of the article.

1 .- 15 . (canceled) 
     
     
         16 . An aerosol-generating device for generating an aerosol from an aerosol-generating article comprising an aerosol-forming substrate, the aerosol-generating device being configured to generate the aerosol during a usage session comprising a usage session start and a usage session end, the aerosol-generating device comprising:
 a heater assembly configured to heat the aerosol-forming substrate;   a power supply configured to supply power to the heater assembly; and   control circuitry comprising a memory in which a plurality of predetermined heating profiles are stored, at least one of the plurality of predetermined heating profiles having a first duration and at least one of the predetermined heating profiles having a second duration different from the first duration,   wherein the control circuitry is configured to detect a trigger condition and select a predetermined heating profile for use during the usage session based on the detected trigger condition, in which the selected predetermined heating profile has either the first duration or the second duration, and in which the trigger condition is dependent on at least one of a user interaction with the aerosol-generating device or a property of the aerosol-generating article used with the aerosol-generating device,   wherein the usage session end corresponds to an end of the selected predetermined heating profile, and   wherein a length of the usage session depends on a length of selected predetermined heating profile.   
     
     
         17 . The aerosol-generating device according to  claim 16 , wherein the first duration is at least 30% longer than the second duration. 
     
     
         18 . The aerosol-generating device according to  claim 16 , wherein the first duration is longer than 5 minutes. 
     
     
         19 . The aerosol-generating device according to  claim 16 , wherein the first duration is longer than 8 minutes. 
     
     
         20 . The aerosol-generating device according to  claim 16 , further comprising a detection assembly configured to detect at least one of a user interaction with the aerosol-generating device, or a property of the aerosol-generating article used with the aerosol-generating device. 
     
     
         21 . The aerosol-generating device according to  claim 20 , wherein the detection assembly is further configured to detect an identifier of the aerosol-generating article received in a cavity and to distinguish between a first identifier and a second identifier that is different from the first identifier. 
     
     
         22 . The aerosol-generating device according to  claim 21 , wherein the control circuitry is further configured to select a predetermined heating profile having either the first duration or the second duration dependent on whether the first identifier or the second identifier is detected. 
     
     
         23 . The aerosol-generating device according to  claim 16 , wherein the control circuitry is further configured to determine a user puff behaviour during a first period of the usage session, to select a predetermined heating profile having either the first duration or the second duration dependent on the determined user puff behaviour, and to control the supply of power to the heater assembly according to the selected predetermined heating profile during a second period of the usage session. 
     
     
         24 . The aerosol-generating device according to  claim 16 , further comprising one or more user interface elements. 
     
     
         25 . The aerosol-generating device according to  claim 24 , wherein the one or more user interface elements are configured such that a first state or a second state is selectable using the one or more user interface elements by a user of the aerosol-generating device. 
     
     
         26 . The aerosol-generating device according to  claim 25 , wherein the control circuitry is further configured to select a predetermined heating profile having either the first duration or the second duration dependent on whether the first state or the second state of the user interface is selected. 
     
     
         27 . The aerosol-generating device according to  claim 16 ,
 wherein the aerosol-generating device is further configured to generate the aerosol from the aerosol-forming substrate in the aerosol-generating article, and   wherein the aerosol-generating article comprises a wrapper circumscribing the aerosol-forming substrate.   
     
     
         28 . An aerosol-generating system comprising the aerosol-generating device according to  claim 16  and one or more aerosol-generating articles comprising a rod of aerosol-forming substrate. 
     
     
         29 . The aerosol-generating system according to  claim 28 ,
 wherein a first aerosol-generating article of the one or more aerosol-generating articles comprises a first identifier, and   wherein a second aerosol-generating article of the one or more aerosol-generating articles comprises a second identifier that is different from the first identifier.   
     
     
         30 . The aerosol-generating system according to  claim 29 , wherein, other than the for the first identifier and the second identifier, the first aerosol-generating article and the second aerosol-generating article comprise substantially a same structure as one another. 
     
     
         31 . A method of controlling power supplied to a heater assembly of an aerosol-generating device for generating an aerosol from an aerosol-generating article comprising an aerosol-forming substrate during a usage session comprising a usage session start and a usage session end, the method comprising:
 detecting a trigger condition in which the trigger condition is dependent on at least one of a user interaction with the aerosol-generating device or a property of the aerosol-generating article used with the aerosol-generating device; and   selecting one of a plurality of predetermined heating profiles for use during the usage session based on the detected trigger condition, at least one of the plurality of predetermined heating profiles having a first duration and at least one of the predetermined heating profiles having a second duration different from the first duration,   wherein the selected predetermined heating profile has either the first duration or the second duration,   wherein the usage session end corresponds to an end of the selected predetermined heating profile, and   wherein a length of the usage session depends on a length of selected predetermined heating profile.