US20190390866A1 - Building management system with natural language interface - Google Patents

Building management system with natural language interface Download PDF

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Publication number
US20190390866A1
US20190390866A1 US16/443,828 US201916443828A US2019390866A1 US 20190390866 A1 US20190390866 A1 US 20190390866A1 US 201916443828 A US201916443828 A US 201916443828A US 2019390866 A1 US2019390866 A1 US 2019390866A1
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United States
Prior art keywords
building
hvac
building management
management system
controller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US16/443,828
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English (en)
Inventor
Patrick Brisbine
Kevin M. Callahan
John Geffe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honeywell International Inc
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Honeywell International Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Honeywell International Inc filed Critical Honeywell International Inc
Priority to US16/443,828 priority Critical patent/US20190390866A1/en
Assigned to HONEYWELL INTERNATIONAL INC. reassignment HONEYWELL INTERNATIONAL INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BRISBINE, PATRICK, CALLAHAN, KEVIN M., GEFFE, JOHN
Priority to EP19181562.0A priority patent/EP3588212B1/fr
Publication of US20190390866A1 publication Critical patent/US20190390866A1/en
Priority to US17/491,877 priority patent/US11841156B2/en
Abandoned legal-status Critical Current

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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B15/00—Systems controlled by a computer
    • G05B15/02—Systems controlled by a computer electric
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/56—Remote control
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00—Speech recognition
    • G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/25—Pc structure of the system
    • G05B2219/25011—Domotique, I-O bus, home automation, building automation
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/26—Pc applications
    • G05B2219/2614—HVAC, heating, ventillation, climate control
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/26—Pc applications
    • G05B2219/2642—Domotique, domestic, home control, automation, smart house

Definitions

  • the present disclosure pertains generally to systems for managing building systems and more particularly to systems for managing a HVAC system within a building.
  • Building control systems are often used to help control a building's environment, such as the temperature, humidity, air quality, lighting, security and other aspects of a building's environment.
  • An example building control system may include a Heating, Ventilation, and/or Air Conditioning (HVAC) system used to control the comfort level within a building.
  • HVAC Heating, Ventilation, and/or Air Conditioning
  • Another example building control system may include a lighting controller that controls the lighting in the building.
  • Another example building control system may include a security system controller that controls the security of the building.
  • Many building control systems have a master or central building controller. Such a building controller may have a user interface for allowing designated users to interact with the building controller. In some cases, some users may be restricted as to the kinds of changes that they can make to the operation of the building control system. For example, a tenant or occupant of a building may be more restricted as to the kinds of changes that can be made relative to, for example, a facility management staff member. What would be desirable is a system and method that allows occupants of a building to interact with a building control system in an easy and intuitive manner, and in some cases, get the facility management staff involved when necessary.
  • a building management system is configured to control the operation of one or more building system components of a building.
  • the building management system includes an I/O port for operative coupling to a remote user interface as well as a controller that is operatively coupled to the I/O port.
  • the controller is configured to provide a natural language interaction on the remote user interface via the I/O port and to receive one or more building management requests from one or more users as well as to ascertain whether the received one or more building management requests can be carried out by the building management system.
  • the controller is further configured to instruct the one or more building system components of the building to carry out the received one or more building management requests unless one or more building management requests cannot be carried out, whereby the controller provides one or more natural language messages on the remote user interface via the I/O port that informs the user that one or more of the building management requests cannot be carried out by the building management system.
  • an HVAC management system configured to control operation of one or more HVAC system components of a building.
  • the HVAC management system includes an I/O port for operative coupling to a remote user interface and a controller that is operatively coupled to the I/O port.
  • the controller is configured to provide a natural language interaction on the remote user interface via the I/O port and to receive one or more HVAC comfort requests from one or more users, to determine an HVAC operational parameter change in response to one or more of the HVAC comfort requests and to instruct the one or more HVAC system components to institute the determined HVAC operational parameter change for a period of time, and then to return to a previous setting for the HVAC operational parameter.
  • an HVAC management system is configured to control operation of one or more HVAC system components of a building.
  • the HVAC management system includes an I/O port for operative coupling to a remote user interface and a controller that is operatively coupled to the I/O port.
  • the controller is configured to provide a natural language interaction on the remote user interface via the I/O port and to receive one or more HVAC comfort requests from one or more users, to determine a location of the user within the building that is making one or more of the HVAC comfort requests, to determine an HVAC operational parameter change for a specific HVAC zone from a plurality of HVAC zones that corresponds to the determined location of the user that is making one or more of the HVAC comfort requests and to instruct the one or more HVAC system components to institute the determined HVAC operational parameter change in the specific HVAC zone.
  • FIG. 1 is a schematic block diagram of a building employing an illustrative building management system
  • FIG. 2 is a schematic block diagram of a portion of a building illustrating zones within the building
  • FIG. 3 is a schematic block diagram of an illustrative building management system
  • FIG. 4 is a schematic block diagram of an illustrative HVAC management system
  • FIG. 5 is a flow diagram showing an illustrative method that may be carried out by the illustrative HVAC management system of FIG. 4 ;
  • FIG. 6 is a flow diagram showing an illustrative method that may be carried out by the illustrative HVAC management system of FIG. 4 .
  • references in the specification to “an embodiment”, “some embodiments”, “other embodiments”, etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is contemplated that the feature, structure, or characteristic may be applied to other embodiments whether or not explicitly described unless clearly stated to the contrary.
  • FIG. 1 is a schematic block diagram of a building system 10 that may utilize an illustrative building management system 12 in controlling at least some operational features of a building 14 .
  • the building 14 includes a building component 16 a, a building component 16 b and a building component 16 c.
  • the building 14 may include any number of building components 16 , and that the three shown are merely illustrative.
  • the building components 16 may generally represent various HVAC components, security system components, lighting system components, and the like.
  • the building components 16 may be operably coupled via a wired or a wireless connection to corresponding sensors 18 .
  • the corresponding sensors 18 may be temperature sensors, occupancy sensors and the like.
  • a sensor 18 a is operably coupled to the building component 16 a and a sensor 18 b is operably coupled to the building component 16 b.
  • one or more sensors may be coupled directly to a building controller, such as building controller 20 a.
  • one or more building controllers 20 may control at least some functions and/or operation of the building components 16 .
  • a building controller 20 a may be operably coupled to the building component 16 a while a building controller 20 b may be operably coupled to the building component 16 b and to the building component 16 c.
  • the building controllers 20 may be operably coupled to a building network 22 , but this is not required in all instances.
  • a user 24 may be disposed within the building 14 . It will be appreciated that while one user 24 is shown, the building 14 may include any number of different users 24 .
  • the user 24 (or one or more of a plurality of users 24 ) may desire a change in operation of one or more of the building components 16 .
  • the user 24 may desire to alter operation of a security system, such as but not limited to turning the security system on or off, or perhaps canceling a false alarm.
  • the user 24 may desire to make changes in a global lighting scheme within the building 14 , or perhaps just change the lighting in their particular portion of the building 14 .
  • the user 24 may feel uncomfortable, expressing for example that they feel cold, or that they feel hot.
  • the user 24 may express that their particular portion of the building 14 is stuffy, and thus is in need of ventilation. Accordingly, the user 24 may express a desire for, for example, cool air, warm air, and/or fresh air, among other things.
  • the user 24 may indicate their desire for a change in operation of one or more of the building components 16 by using a remote user interface 26 .
  • “remote” indicates that the remote user interface 26 is remote, or at a different location, from a building management system 12 .
  • the building management system 12 may be at a particular location within the building or outside of the building such as in the cloud.
  • the building management system 12 may provide a centralized control function for the building system 10 .
  • the remote user interface 26 may be accessible to the user 24 from within the building 14 .
  • the remote user interface 26 may be manifested within an application running on a smartphone of the user 24 .
  • the remote user interface 26 may be a chat bot running on a computer that the user 24 is using (at the user's desk).
  • the remote user interface 26 may be a textual interface, or may utilize voice recognition. In some cases, the remote user interface 26 may receive voiced statements from the user 24 , and in response the remote user interface 26 may talk back to the user 24 in an interactive manner. These are just examples.
  • FIG. 2 is a schematic illustration of a portion of the building 14 , showing a ZONE A labeled as 28 , and a ZONE B labeled as 30 .
  • the ZONE A may for example include a total of three spaces, including a SPACE 1 labeled as 28 a, a SPACE 2 labeled as 28 b and a SPACE 3 , labeled as 28 c.
  • the ZONE B may for example include a total of four spaces, including a SPACE 4 labeled as 30 a, a SPACE 5 labeled as 30 b, a SPACE 6 labeled as 30 c and a SPACE 7 labeled as 30 d.
  • each zone 28 , 30 may include any number of spaces. In an office setting, the spaces may correspond to offices, conference rooms or other spaces, as desired.
  • a user 24 a is currently located in SPACE 1 labeled as 28 a, while another user 24 b is currently located in SPACE 6 labeled as 30 c.
  • the user 24 a has access to a remote user interface 26 a and the user 24 b has access to a remote user interface 26 b.
  • the remote user interface 26 a and the remote user interface 26 b may independently display a chat bot running on the respective user's computer, or perhaps an application running on the respective user's smartphone.
  • the building management system 12 ( FIG. 1 ) enables the user 24 a to send to the building management system 12 , via the remote user interface 26 a, a message that they are uncomfortable, perhaps saying “I am cold”, or “It's too cold in here”.
  • the user 24 b is able to send to the building management system 12 , via the remote user interface 26 b, a message that they are uncomfortable, perhaps saying “I am hot”, or “It's too warm in here”.
  • the building management system 12 may determine the location of the user 24 issuing a comfort request.
  • the SPACE 1 labeled as 28 a is actually the assigned office for the user 24 a
  • the SPACE 6 labeled as 30 c is a conference room, and is not the assigned office for the user 24 b.
  • the specific remote user interface 26 may have a network address, for example, which identifies its location.
  • beacons placed around the space may be used to identify the location of a user's smart phone or an RFID tag in a user's badge.
  • the building management system 12 may create a natural language interaction on the remote user interface 26 in order to ascertain the current location of the user. In some instances, the building management system 12 may instead ask one or more questions of the user via the remote user interface 26 , such as “Are you at your desk?”, or “What is your name?”, or perhaps “Are you in the conference room?”, or “Are you in the lunchroom?”. It will be appreciated that these examples are merely illustrative, and are not intended to be limiting in any manner.
  • FIG. 3 is a schematic block diagram of an illustrative building management system 12 that may be configured to control the operation of one or more building system components 44 a - 44 b of the building 14 .
  • the illustrative building management system 12 may include an I/O port 40 that is configured to be operatively coupled to the remote user interface 26 and a controller 42 that is operatively coupled to the I/O port 40 .
  • the controller 42 is configured to provide a natural language interaction on the remote user interface 26 via the I/O port 40 and to receive one or more building management requests from one or more users 24 .
  • building system component 44 a there may be only one building system component 44 a, or there may be three, four or more distinct building system components 44 a - 44 b.
  • the building system components 44 a - 44 b may represent lighting system components, security system components, and/or HVAC components.
  • the controller 42 may be configured to ascertain whether the one or more building management requests received from the users can actually be carried out by the building management system 12 . There are a variety of reasons that a particular building management request could not be carried out. For example, the controller 42 may determine that one or more of the building management requests cannot be carried out due to a building system component equipment fault. In other words, one or more of the building system components 44 a - 44 b may not be working properly. In some cases, if there is a building system component fault, the controller 42 may be configured to provide an alert via the I/O port to a building manager regarding the one or more building management requests that cannot be carried out due to the building system component equipment fault(s).
  • the controller 42 may determine that one or more of the received building management requests cannot be carried out due to a conflict with another one of the received building management requests. This might occur, for example, if one user 24 says “I am cold” while another user 24 , who is in the same zone, or even in the same office, says “I am hot”.
  • the controller 42 may determine that one or more of the received building management requests cannot be carried out because doing so would result in a building system parameter being outside of a predefined allowable range.
  • the building components 44 a - 44 b are HVAC components currently set in a heating mode, a user request that would require air conditioning may not be able to be carried out.
  • there is an allowable temperature range, in the heating mode of 65 to 78 degrees, and the current temperature is already 78 degrees, any further increase would violate the allowable temperature range.
  • the controller 42 may be further configured to instruct the building system components 44 a - 44 b of the building 14 to carry out the received one or more building management requests unless the one or more building management requests cannot be carried out, whereby the controller 42 provides one or more natural language messages on the remote user interface via the I/O port that informs the user that the one or more of the building management requests cannot be carried out by the building management system 12 .
  • the controller 42 may be configured to institute a temporary change in operation of the building system components 44 a - 44 b in response to one or more of the building management requests, and then to return the one or more building system components 44 a - 44 b after a predetermined period of time.
  • the controller 42 may be configured to institute a permanent change (e.g. until a user changes again) in operation of the building system components 44 a - 44 b in response to one or more of the building management requests.
  • the controller 42 may be configured to enable a user to create an event via the remote user interface 26 by specifying one or more comfort parameters for a zone within the building 14 and a date and time of the created event, and once created, the controller 42 may be configured to instruct the building system components 44 a - 44 b that correspond to the zone to operate in accordance with the one or more comfort parameters at the date and time of the created event.
  • a user at a school may create an event for the gym on the following Friday from 3:00-4:00 PM, and the controller 42 may instruct the building system components that correspond to the gym to operate in accordance with occupied comfort parameters on Friday from 3:00-4:00 PM.
  • the occupied comfort parameters may pre-defined and may be more comfortable but less energy efficient than un-occupied parameters.
  • the controller 42 may be configured to automatically learn one or more future operations of the building system components 44 a - 44 b based on one or more received building management requests from the user. For example, in some cases, the controller 42 may be configured to execute a learning algorithm that schedules a learned event in the future operation of one or more building system components based on one or more of the received building management requests from the user. For example, a particular user 24 may express “I am cold” every day after lunch. The controller 42 may learn this, and automatically increase a temperature set point each day at 1 pm in a particular zone corresponding to the location of the particular user 24 .
  • the controller 42 may learn that a large number of users congregate in the lunch room each day around 9 am for a coffee break, and the corresponding collective body heat causes one or more users 24 each day to express “I am hot” at that time. Accordingly, the controller 42 may learn to drop the temperature in the lunch room starting each day at 8:30 am. These are just examples.
  • FIG. 4 is a schematic block diagram of an illustrative HVAC management system 50 that is configured to control operations of one or more HVAC system components of a building.
  • the illustrative HVAC management system 50 includes an I/O port 52 for operative coupling to the remote user interface 26 as well as a controller 54 that is operatively coupled to the I/O port 52 .
  • the controller 54 may be configured to provide a natural language interaction on the remote user interface 26 via the I/O port 52 and to receive one or more HVAC comfort requests from one or more users.
  • HVAC comfort requests may include a request for cooler air, for warmer air and/or for fresh air. In some instances, HVAC comfort requests may simply include statements such as “I am cold”, “I am hot”, “I feel stuffy” and the like.
  • the controller 54 may be configured to determine an HVAC operational parameter change in response to one or more of the HVAC comfort requests and to instruct the one or more HVAC system components 56 to institute the determined HVAC operational parameter change. In some cases, the determined HVAC operational parameter change is instituted for a period of time, and then returned to the previous setting for the HVAC operational parameter. While an HVAC system component 56 a and an HVAC system component 56 b are illustrated, it will be appreciated that there may be a single HVAC system component 56 , or a plurality of HVAC system components 56 . In some cases, at least some of the HVAC system components 56 may be variable air volume (VAV) boxes.
  • VAV variable air volume
  • the controller 54 may be configured to communicate with the one or more HVAC system components 56 in order to confirm that the determined HVAC operational parameter change is being executed.
  • the period of time during which the determined HVAC operational parameter change is instituted and in effect may be an adjustable time period.
  • the period of time may default to a relatively short period of time, say ten minutes or twenty minutes.
  • the controller 54 may automatically lengthen the period of time in order to reduce the number of requests and/or to improve the comfort of that particular user, as long as accommodating that particular user isn't contrary to other user's comfort requests.
  • FIG. 5 is a flow diagram showing an illustrative method 60 that may be carried out by the illustrative HVAC management system 50 ( FIG. 4 ).
  • a statement that a user is uncomfortable is received and understood. This may be an indication that the user is cold, or that the user is too warm, for example.
  • decision block 64 there is a determination made as to whether the received request can be accommodated. In some cases, for example, this may include equipment readiness and/or the nature of the received request. If the request cannot be accommodated, a message to that effect may be sent to building management personnel, as indicated at block 66 . In some cases, the user may also be informed, as indicated at block 68 .
  • the relief (cooler air or warmer air) is implemented for a period of time. Once that period of time is up, control passes to block 74 and the system returns to its previous operation.
  • FIG. 6 is a flow diagram showing an illustrative method 80 that may be carried out by the illustrative HVAC management system 50 ( FIG. 4 ).
  • the illustrative method 80 may be considered as presenting some of the details considered within the decision block 64 ( FIG. 5 ).
  • decision block 84 a determination is made as to whether the HVAC equipment is capable of carrying out the request. This may involve checking for any equipment faults, for example. If not, control passes to block 86 where management is informed, and optionally to block 88 where the user is informed. If the determination is yes, however, control passes to decision block 90 , where a determination is made as to whether the requested change is within an allowable range. If not, control reverts to block 86 .

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • General Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Air Conditioning Control Device (AREA)
  • Selective Calling Equipment (AREA)
  • Alarm Systems (AREA)
US16/443,828 2018-06-22 2019-06-17 Building management system with natural language interface Abandoned US20190390866A1 (en)

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Application Number Priority Date Filing Date Title
US16/443,828 US20190390866A1 (en) 2018-06-22 2019-06-17 Building management system with natural language interface
EP19181562.0A EP3588212B1 (fr) 2018-06-22 2019-06-20 Système de gestion de construction comportant une interface de langage naturel
US17/491,877 US11841156B2 (en) 2018-06-22 2021-10-01 Building management system with natural language interface

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862688934P 2018-06-22 2018-06-22
US16/443,828 US20190390866A1 (en) 2018-06-22 2019-06-17 Building management system with natural language interface

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US17/491,877 Continuation US11841156B2 (en) 2018-06-22 2021-10-01 Building management system with natural language interface

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US16/443,828 Abandoned US20190390866A1 (en) 2018-06-22 2019-06-17 Building management system with natural language interface
US17/491,877 Active 2039-07-08 US11841156B2 (en) 2018-06-22 2021-10-01 Building management system with natural language interface

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