Batch process control is improved by defining a step endpoint condition in an expert system knowledge base; using the expert system to monitor for the occurrence of the endpoint in the batch process; and triggering a change in a batch process condition when the endpoint is found. Preferably, the expert...http://www.google.co.uk/patents/US5058043?utm_source=gb-gplus-sharePatent US5058043 - Batch process control using expert systems
