Patent ID: 8549012
Filing Date: 2013-10-01
Classification: G05B,G06F

Abstract:
1. A method for exception handling, the method comprising: accessing an exception type for an exception occurring for a manufacturing process, the exception interrupting a control flow of a process control system of the manufacturing process; filtering historical data of the manufacturing process, the filtering further comprising determining which of a plurality of filters to perform the filtering based upon the exception type, the filtering being based on at least one defined criterion to provide a data train comprising data sets, wherein the data sets each comprise a historical condition of the manufacturing process and a historical control parameter of the manufacturing process; assigning a weight to each data set based on each historical condition, the assigning the weight comprising determining which of a plurality of weighting calculators to perform the assigning the weight; and using a processor, providing a current control parameter for the manufacturing process, the current control parameter corresponding to the historical control parameter in type, the providing the current control parameter using the weight and the historical control parameter for each data set, the current control parameter to be used by a manufacturing tool to control an operation of the manufacturing process.