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| Wireless piconet access to vehicle operational statistics |
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| Calendar timer mechanism and processing apparatus |
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| Display unit |
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| Work management method, management system and management apparatus suited to work sites |
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| Vehicular navigation system |
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| Extended brake switch software for vehicle stability enhancement system |
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| Vehicle-mounted information processing apparatus having magnetic disk device |
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Service-oriented community agent
| Details |
Inventors: Wewalaarachchi, Bandu J.; Gunasekera, M. V. Priyantha; Gunasingham, Haritharan; Liyanarachchi, Rohana;
Assignee: Eutech Cybernetics Pte Ltd. (Singapore, SG)
Primary Examiner: Gordon; Paul P.
Assistant Examiner:
Attorney, Agent or Firm: Glenn Patent Group, Glenn; Michael A.
A system and method provide the creation and operation of remote real-time data monitoring and control systems. Such applications include a communications gateway coupled to real-time devices. The communications gateway transforms the real time data collected from disparate and non-interoperable systems in a single common data format. The communications gateway provides an object server with a list of the real-time devices to which the communications gateway is connected, and their attributes. The object server publishes this list. Subscribers can access this list, and request subscriptions to specific attributes of certain devices. The object server creates a data object corresponding to the requested information. A subscriber includes a service agent which accesses the object server. In addition, a subscriber may also comprise presentation cells, which provide a representation and mapping of data objects and hence underlying devices and systems, to allow a user to manage and control such systems. Subscribers including presentation cells may be personalized to function as personal agents. Such personal agents can be programmed to monitor and control certain subsystems, and to alert certain people when specific events occur in these subsystems. |
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DETAILED DESCRIPTION The present invention overcomes the limitations of currently existing real-time data acquisition and control systems by providing a framework which facilitates dynamic building of the object model by allowing dynamic publication of data.
In addition, the present system permits a user to access the real time data through various mediums of the user's choice.
Further, the present system manages the QOS capabilities of publishers of real-time data as well as the QOS requirements of subscribers to the real time data.
The present invention uses complex data structures, instead of the above-described flat data structures used by some current systems, in order to create a dynamic object server.
"Object" structures containing attributes are now created.
Instead of allocating an address to each attribute, each object is allocated one address, and there are pointers to the various attributes within one object structure.
This facilitates dynamic object modeling.
A system in accordance with the present invention comprises of real time devices, a communications gateway, an object server, and a subscriber to the data.
The communications gateway is communicatively coupled to selected ones of the real time devices to receive real time data from the devices.
This real time data is received in a format according to a communications protocol associated with the devices; various different devices may have different, non-compatible, proprietary formats.
The communications gateway converts the real time data by reformatting it into standardized data format that is independent of the original format used by the devices.
The standardized data format specifies for each item of real time data a content and source of the real time data.
In this manner, data from many different devices, having different original source formats is converted into a single, standard data format.
The object server is communicatively coupled to the communications gateway and receives from it, a list of the real time devices to which the communications gateway is coupled, as well as their attributes
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