|Publication number||USH2176 H1|
|Application number||US 09/679,903|
|Publication date||Dec 5, 2006|
|Filing date||Oct 5, 2000|
|Priority date||Oct 5, 2000|
|Publication number||09679903, 679903, US H2176 H1, US H2176H1, US-H1-H2176, USH2176 H1, USH2176H1|
|Inventors||Sheri L Meyer, Darrell E Standish|
|Original Assignee||Johnson Controls Technology Company|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (11), Non-Patent Citations (1), Referenced by (41), Classifications (5), Legal Events (1)|
|External Links: USPTO, USPTO Assignment, Espacenet|
The present invention relates to facility management systems, such as those which control the environment within a building, and more particularly to systems by which building occupants can register complaints regarding operation of such systems.
Modern office buildings provide a sealed interior environment in that the windows can not be opened to allow outside air into the interior space. As a consequence, the air quality within the building is controlled solely by the heating, ventilation and air conditioning (HVAC) system. Unlike residential HVAC systems, the controls in commercial building are not directly accessible by the occupants, but rather only by facility management personnel.
As a consequence, if an occupant is uncomfortable, i.e. too cold, too hot or the air is stale, the individual must contact the building management in order to have the environmental control changed. In many office buildings a complaint by an individual occupant has to be relayed through several individuals before reaching a building engineer who has the authority and capability to adjust the HVAC system. Thus, it may take some period of time for the message to reach the building engineer and there is a potential for miscommunication.
Furthermore in a very large building the central contact person in the building management can receive complaints on a continuous basis at certain times, such as when there is a sudden change in outdoor air temperature. At those times the contact person may be fully occupied with answering telephone complaint calls and unable to perform other duties.
The present invention provides a mechanism by which building occupants can submit facility complaints via an Intranet or Internet communication link. This system eliminates the need to have a person available at all times to receive the complaints. The complaint messages can be screened automatically and building management personnel alerted when certain conditions occur.
The occupant complaints are handled by an Intracomfort system that is connected to a communication network which is accessible by the building occupants. For example, the communication network may be the Internet or may be part of an Intranet in the building. A message processing system is coupled to the communication network to receive the complaint messages generated by building occupants. The message processing system stores information about each complaint and the stored information is accessible by building management personnel.
In the preferred embodiment, the message processing system contains a predefined message filtering criterion which is applied to received complaint messages. A warning is generated when the received complaint messages satisfy the message filtering criterion. The warning is sent to the building management personnel. For example, the message filtering criterion may specify a number of complaint messages that must be received from a given area of the building within a specified interval of time before a warning is generated. In other situations the filtering criterion specifies a class of building occupants and any message from an occupant in that class generates a warning.
A display device, such as a computer workstation for example, is coupled to the server for presenting the warning and other complaint information to management of the building.
Personal comfort in any working environment is a key factor to productivity and quality work products. If employees are physically uncomfortable, they may become distracted by the discomfort, thus lowering their level of concentration. As a consequence, proper control of a workplace environment is very important.
Relatively large commercial buildings are divided into a plurality of control zones, referred to herein as “comfort areas”, with independently controllable environmental conditions. For example, each control zone may have a separate variable air volume (VAV) unit that recycles the interior air and heats or cools that air as needed to maintain the desired environment. The VAV unit also can replace some of the recycled air with air drawn in from outside the building thus preventing the interior air from becoming stale. The operation of the VAV unit and other components of the HVAC system are individually controlled by the building management.
The present invention provides an “IntraComfort System” which enables occupants of a building to indicate their level of comfort in their work area by means of an Intranet browser based interface. This provides automated collection and generation of building area comfort information for use by the building operators and managers in improving occupant comfort. Through this system, building occupants become active “users” of their work environment. Furthermore, the performance of building control systems can be determined more accurately through actual user feedback, rather than solely through sensing environmental parameters. This expanded insight into occupant comfort diminishes complaint telephone calls, thereby reducing the amount of time a building operator spends handling comfort complaints.
With reference to
The IntraComfort Web site 11 is a conventional Intranet web site that is configured to enable building occupants to view information about present environmental conditions and enter complaints via personal computers 26, which execute a standard Internet browser thereby acting as an Intranet client. If a single tenant occupies the entire building, the IntraComfort System can be implemented as an Intranet site on that tenant's local area network 14. In multi-tenant buildings, the IntraComfort System 10 can utilize the Internet, in place of the computer network 14. Thus the terms Internet and Intranet are used interchangeably with respect to the present invention.
The IntraComfort Web site 11 comprises a combination of HTML, ASP, and image files which present information about the building environment and which provide templates for occupants to enter complaints and comments. The clients of the IntraComfort Web site, i.e. the building occupants, use dynamic HTML enabled Internet browsers running on their personal computers 26 to view the site content via an Intranet connection provided by the ASP enabled Web server 18. The access is similar to the operation of a standard Internet site. Complaints and comments received by the IntraComfort Web site 11 are passed to the Complaint Agent 12. The Complaint Agent 12 acts as a mediator between the IntraComfort Web site 11 (the building occupant interface) and the Complaint Analyst 13 (the building operator interface). The primary responsibilities of the Complaint Agent 12 are handling all incoming occupant submissions received via the IntraComfort Web site 11 and generating comfort notices based on those submissions. Secondary responsibilities of the Complaint Agent 12 relate to handling operator-authored notices about the system or a given comfort area for posting to the IntraComfort Web site.
The Complaint Agent 12 is divided into two communication interfaces, a Response Handler 70 and a Notice Handler 72. The Response handler 70 logs all occupant generated comfort complaints along with appropriate building control system environmental data. A storage device 24, such as a hard drive, is provided in the system server 16 to store the complaints and comments gathered from building occupants. The Response handler 70 also logs requests from occupants to be added to the IntraComfort system. This software component also processes requests from the building operator (via the Complaint Analyst 13) to post web page notices for a specific comfort area or the building in general.
Upon receiving a complaint the Response Handler also determines whether the nature of a complaint warrants sending a notice to the building operator, in which case the Notice Handler 72 is advised of that event. The conditions for generating a notice are defined in the system configuration file. For example if the number of complaints received within a defined period of time exceeds a given amount, a warning message is sent to the Complaint Analyst 13 running on a building operator's workstation 28, which typically is a personal computer with a keyboard and display screen. The Complaint Analyst 13 software component, which runs on that workstation 28, handles the notices and produces reports and statistical summaries of the complaints for review by the building management, as will be described. All information logged by the Response handler 70 is able to be accessed by the building operator through the Complaint Analyst 13. Each log entry contains the date and time that the notice threshold was reached, where the condition occurred (Comfort Area or system in general), and an identification of the condition.
The system server 16 also includes another communication server 20 which interfaces to a communication bus of the HVAC building control system 22, such as a MetasysŪ Building Automation System produced by Johnson Controls, Inc. of Milwaukee, Wis., U.S.A. The interface with the building control system 22 enables the Intracomfort system 10 to gather current values for temperature, humidity and other environmental parameters throughout the building.
As noted previously, the operation of the Intracomfort system 10 is defined by configuration data entered by the building operators via workstation 28. The configuration data fall into several categories, for example building comfort areas and occupant profile. Each category of configuration data is stored in a separate table in the storage device 24. The building comfort area data specify, for each comfort area, the particular environmental conditions on which the building occupants are able to provide feedback. These conditions include environmental parameters such as temperature, humidity, and air quality. When an occupant accesses the Intracomfort system, only the conditions designated in the configuration data of the comfort area associated with that occupant will be logged. However, the occupant always is able to submit a written comment. The comfort area configuration also designates what environmental information will be displayed to the building occupants. This information can include the current values for temperature and humidity of the inquiring occupant's working area, and outdoor temperature and humidity values.
The Intracomfort system 10 also can enable a building occupant to turn-on the automatically controlled lighting in the respective work area and this function is enabled or disabled by the system configuration. Upon entry, the configuration information is tabulated by the complaint analyst 13 and sent to the storage device 24.
The configuration database also contains a profile of information about each building occupant who may access the Intracomfort system 10. That profile contains a unique occupant identifier which each person utilizes when accessing the system and can be the full name of the individual, a network user name or another designation created by the building operator. Each occupant profile contains a designation of a comfort area within the building in which the person works. As noted previously, a comfort area corresponds to one of the zones in the building for which the environment can be separately controlled. For example depending on the HVAC system, the comfort area may be an entire floor of the building or a designated section of a floor.
A priority level may be assigned to each occupant with that assignment being stored in the person's profile. As will be described, the processing of complaints can be based on the priority level of the occupant submitting the complaint. With complaints from higher priority level individuals receiving greater attention.
If the building control system 22 is able to operate the lights in the given comfort area, the ability for occupants to control the lights through the IntraComfort system 10 also may be enabled in the configuration data. For this function a designation of the bank of lights for the occupant's work area is specified. Note that the lighting bank may not be coextensive with the comfort area. As will be described, the occupants may only turn on comfort area lighting, but cannot turn it off. Only the building control system 22 program can deactivate building lights.
The occupant profile also includes information such as persons's phone number, mailing address, or email address to enable the building management to contact that occupant. The workstation executes software, referred to herein as the Complaint Analyst, which displays the occupant profile on the screen of the workstation in a number sort orders. For example, the profiles can be displayed in alphanumeric order by the operator identifier, in comfort area order, or by lighting area. The user profiles are stored by the workstation 28 on the storage device 24 of the IntraComfort system server 16. Once the Intracomfort system 10 has been configured, it can be placed into operation.
With reference to
At step 34 the Intracomfort web site 11 inspects the data to determine whether the occupant is requesting to be added as a new occupant. If so the procedure branches to step 35 at which the request and other form data is sent in a message to the building operator workstation via the complaint agent 12. The building operator responds to such requests from occupants seeking the be added as a system user by entering the supplied data into the occupant profile database in storage device 24.
If a request to add a new occupant was not received, the procedure branches to step 36 where web site 11 determines whether the occupant has submitted log-in information. If that is the case and the log-in information is authentic, the processing jumps to step 40. If an authentic log-in was not received, the web site 11 determines at step 37 whether the person accessing the web site seeks to locate an occupant identifier that was previously stored in a table in storage device 24. If so, the person is sent a web page requesting information that enables the system to find the log-in information at step 38. If that user submitted information does not allow the system to find the log-in information in the storage device 24, the process. return to step 38 to request more information.
Once the occupant has been properly identified to the Intracomfort web site 11, the associated occupant profile is read from the storage device 24 at step 40 and saved as a cookie on the person's personal computer 26 at step 41. The process then advances to step 42.
Thereafter when this person accesses the Intracomfort web site 11, a cookie containing the occupant profile will be read from the personal computer for that person. Therefore, the process will branch from step 32 immediately to step 42. That occupant profile from the cookie identifies the comfort area associated with the accessing occupant and enables the configuration data for that comfort area to be read from a database in storage device 24. The web site 11 then utilizes the building control system server 20 at step 44 to contact the building control system 22 and obtain information regarding the current conditions of the comfort area.
The gathered information then is used to fill in the IntraComfort web site homepage at step 45.
A web page frame 29 along the left side of the homepage provides a menu of items from which the occupant may select. The button labeled “Current Conditions” causes the display of the environmental data to be refreshed. Other menu items identify an environmental condition about which the occupant desires to provide feedback to the building operator. By clicking a button to the left of a particular menu item the occupant can select an item.
Depending upon which item is selected, the menu in web page frame 29 expands vertically to provide additional information related to that selection. For example,
When the IntraComfort Site 11. receives the response from the occupant, a determination is made which menu item was selected. With reference to
When the response information to the new menu frame 29 is sent back from the personal computer 26, the Intracomfort web site 11 determines at step 59 whether the occupant desires to update his profile. In that case the process branches to the update routine. Other wise at step 51 a determination is made whether the occupant has wishes to indicate a building move so that the proper comfort area and lighting bank will be listed in the occupant profile. This is done by the building operator, who now is informed of the move. Finally at step 52, a decision is made whether the accessing occupant desires to manually log-in. After an occupant moves to an different area in the building, the cookie information in the personal computer no longer may be valid and the occupant may have to override the automatic log-in via the cookie with a manual log-in. In another situation, an occupant may use the personal computer of another occupant to enter a complaint. In this case, the initial log-in uses the profile of that other occupant that was obtained from the cookie in the computer. Thus the occupant accessing the system has to log-in manually so that his profile information will be used in registering the complaint.
Back at step 48 if the Identification menu item was not selected the processing advances to step 53. If the occupant's response to the Home Page at step 44 designated that the lights in the work area should be turned on, that event is detected at step 53 where the process branches to step 54. At this juncture, the Intracomfort web site 11 executes a routine which formulates a message which is sent to the response handler 70 to turn on the lights and an indication of the lighting group to be activated. That message is sent to the building control system server 20 (
At step 56 a determination is made by the Intracomfort web site 11 whether the occupant selected the button. designated for entering a written comment. If so the user input web page for a comment is sent to the occupant's personal computer at step 58. Upon receipt, Intracomfort web site 11 forwards the comment to the response handler 58 which logs the information into a storage location of device 24. The building operator is able to access this log via the workstation 28 and read the comments stored therein.
If one of the complaint buttons associated with an environmental condition was selected as determined at step 60, the process advances to step 62 where the Web site interprets the complaint data and formulates a message containing the complaint. That message specifies the occupant's identifier, the associated comfort area and the complaint, for example that the temperature is too hot. Alternatively, the complaint could indicate that the humidity in the area was too dry or too humid, or that the air quality was stuffy, stale, drafty, dusty or there was an unusual odor. At step 64, this message is sent by the Intracomfort web site 11 to the Complaint Agent 12 and, specifically, to the response handler 70. An acknowledgment of the complaint receipt is sent back to the originating personal computer at step 66.
With reference to
If the user has not sent a complaint recently, the process implemented by the response handler 70 advances to step 90 at which the response handler 70 formulates a log entry for the complaint and stores that information in a complaint log contained on storage device 24. As will be described, the building operator via the workstation 28 is able to access this log and scroll through the complaints listed therein.
Then the response handler assesses whether the present complaint warrants sending a special notice to the building operator workstation 28. The determination of whether the complaint is significant is based on criteria specified during configuration of the IntraComfort System 10 and alterable thereafter by the building operator via workstation 28. In the preferred embodiment, there are three different criteria from which the building operator may select and any combination of one or more criteria may be active in a particular system.
The first criterion specifies either that all complaints or specifically designated types of complaints will generate a notice to the operator. For example, the operator may want to be notified immediately of all temperature and air quality complaints, but not for other complaints. The second criterion produces notices from complaints submitted by an occupant who has been assigned a priority level equal to or greater than a designated value. For example, department managers and higher supervisory personnel may be assigned priority levels of 50 or higher and complaints from those persons will generate a building operator notice. Complaints received from personnel with lower priority levels merely will be placed in the complaint log. This priority criterion also can be utilized to generate notices from facility management personnel and security officers. The third criterion generates notices when the number of specific types of complaints from a comfort area exceeds a given number within a moving window of time. For example, a notice will be sent to the building operator when the number of complaints that an area is too cold exceeds five within in a moving one hour period of time. Configuration data specifying which of the three criteria are active and the complaint filtering requirements for each criterion are stored within a data table utilized by complaint agent 12.
The assessment of whether receipt of the current complaint necessitates generation of an operator notice commences at step 92. Here, the complaint is examined to determine whether it fits within the first criterion, that is whether it is the designated complaint type. If all complaints are to generate a notice or the complaint fits within a specified category of complaints, the program execution branches to step 98. If the first criterion is not satisfied the program execution branches instead to step 94 for the second criterion. At this point, the occupant identifier in the complaint is utilized to access the occupant profile database in device 24 and read the priority level of the complainer. If the complainer meets the priority level threshold, the procedure branches to step 98, otherwise the process goes to step 96. The response handler 70 accesses the complaint log to count the complaints which satisfy the specified notice criteria, i.e. is the particular complaint type from the comfort area of the present complaint and received within the designated interval of time. Upon advancing to step 97 the new count value is compared to the respective operator defined threshold to ascertain whether the requisite number of complaints of that type have been received within the specified time interval. If that criterion is satisfied, a branch to step 98 occurs, otherwise the complaint handling process terminates.
At step 98, the response handler 70 formulates a message containing the type of notice to be presented to the building operator. This message is transmitted to the notice handler 72 within the complaint agent 12. The message contains all of the pertinent information which will allow the notice handler to prepare the proper notice to the building operator and log that information into a notice table in the database maintained in storage device 24. The Complaint Analyst 13 displays a table of notices to the building operator.
The building operator can acknowledge and delete specific notices on the workstation 28 by clicking on appropriate command buttons appearing in the complaint analyst. Acknowledging a complaint notice sends a reply message to the notice handler 72 which responds by setting an acknowledgment flag in the respective entry in the notice log. If the building operator deletes the complaint message, the corresponding entry in the notice log also is deleted by the notice handler 72.
With reference again to
Configuring the Intracomfort system server 16 and its constituents, such as the Intracomfort web site 11 and the complaint agent 12, is implemented using standard techniques. Specifically, a configuration screen is presented on the operator's workstation 28 for each element that needs to be configured. Such screens contain fields for the parameters which need to be defined and each field may have a pull down menu of entry choices. Alternatively, the operator is permitted to type in a particular entry. Control buttons are presented on the configuration screen to save, clear and perform other command functions which manipulate the configuration data.
The building operator also utilizes the complaint analyst 13 to view and maintain all occupant submitted complaints, comments and requests along with the notices that are produced by the notice handler 72. Principal to the complaint analyst 13 are interactive views of comfort complaints and notices in a grid-based format, in addition to reports of the comfort information in tabular and graphical formats. The interactive representations allow the operator to acknowledge complaints that have been serviced, enter service comments, delete complaints and notices from their respective logs, and look up occupant information relevant to a resubmitted complaint.
The comfort reports display a collective or a subset view of comfort complaints, notices or comments. The report generation is similar to that conventionally used in databases to allow the user the ability to formulate a query specifying value ranges for the data being sought and then utilize those specified ranges to select entries from the databases and logs contained in storage device 24. The culled information then is presented to the user in a predefined report format. The operator is able to design and store various formats to use in generating periodic reports from the Intracomfort System 10.
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|Oct 5, 2000||AS||Assignment|
Owner name: JOHNSON CONTROLS TECHNOLOGY COMPANY, MICHIGAN
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:MEYER, SHERI LEE;STANDISH, DARRELL EARL;REEL/FRAME:011256/0971
Effective date: 20000929