System and Technique for Constructing Manufacturing Event Sequences and their Embeddings for Clustering Analysis
AssigneeRobert Bosch GmbH
InventorsHyeongSik Kim, Sarwan Ali, Andrew Le Clair
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Abstract
A system and methods for event analysis are disclosed. The system and methods can be employed analyze at least one event data stream from a monitored system. The system and methods advantageously leverage two novel embedding pipelines to enable event sequences extracted from the event data stream to be more effectively clustered and mined for patterns, thereby enabling a better understanding of the event sequences. As a result, the system and methods better assist operators and engineers in studying the cause-and-effect relationships between events so that they can prevent undesirable events from occurring in the monitored system.
Claims20
A method for analyzing events in a system, the method comprising:
- receiving, with a processor, event data from the system, the event data indicating events that occurred in the system and times at which the events occurred;
- determining, with the processor, a plurality of event sequences from the event data, the plurality of event sequences having variable lengths;
- determining, with the processor, a plurality fixed-length embeddings of the plurality of event sequences;
- and
- performing, with the processor, a cluster analysis of the fixed-length embeddings to determine a plurality of clusters of event sequences in the plurality of event sequences.
Dependencies are inferred from the claim text.