METHOD AND APPARATUS FOR ROUTING DATA IN AUTOMATIC IDENTIFICATION SYSTEM
First Claim
1. A distributed control system comprising a hierarchy of control systems;
- said hierarchy comprising;
a. a first level of control systems comprising a plurality of edge control systems that receive information through an event management system (EMS), said EMS being configured to provide a system structured to receive information events from data readers wherein said readers are capable of receiving information from at least one data source; and
b. a second level comprising at least one second-level control system;
said second-level control system being configured to receive information from at least two edge control systems, but not directly from a data reader.
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Abstract
A system for routing data in an automatic identification system includes an event management system (EMS), a real-time in-memory data structure (RIED) coupled to the EMS, the RIED for storing event information gathered by the EMS and a task management system (TMS) for ensuring that the RIED is updated by one transaction at a time. With this particular arrangement, a system for managing a large number of real-time events is provided. In one embodiment, the control system can be provided in a distributed hierarchical arrangement. The EMS of each control system can include filters which limit the amount of information provided to the next level in the hierarchy. In this manner the hierarchical control system network acts as a high volume data collector and processor. In some embodiments a level of the hierarchy can be removed spatially and/or temporally from an adjacent level in the hierarchy. This approach results in an intelligent network and also lends itself to scalability. By including optional filters and queues in the EMS, the EMS can be configured as desired.
4 Citations
13 Claims
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1. A distributed control system comprising a hierarchy of control systems;
- said hierarchy comprising;
a. a first level of control systems comprising a plurality of edge control systems that receive information through an event management system (EMS), said EMS being configured to provide a system structured to receive information events from data readers wherein said readers are capable of receiving information from at least one data source; and
b. a second level comprising at least one second-level control system;
said second-level control system being configured to receive information from at least two edge control systems, but not directly from a data reader. - View Dependent Claims (2, 3, 4, 5, 6, 7)
- said hierarchy comprising;
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8. A method of processing and storing data in a distributed control system comprising the steps of:
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a. Maintaining a first persistent datum;
b. Forwarding data received from a data reader to an edge control system;
c. Processing the data at the edge control system;
d. Forwarding the data from the edge control system to at least one second-level control system;
e. Forwarding data from a second edge control system to at least one second-level control system; and
f. Processing data at the at least one second-level control system that was received from at least two edge control systems. - View Dependent Claims (9, 10, 11, 12, 13)
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Specification