Method for dynamically controlling a manufacturing process using product over-delivery
US8805553B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 8, 2010 |
| Grant date | Aug 12, 2014 |
| Priority date | — |
| Expiry date | Oct 5, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05B13/0255
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A method for dynamically controlling the output of a computerized manufacturing process includes storing a product target parameter in a computer memory of a computer system associated with the manufacturing process equipment. Control limit values for a product delivery statistic are provided and a product delivery parameter is continually monitored and values are stored in the computer memory. A unit product over-delivery amount is determined from the difference between the product delivery parameter and the product target parameter. A cumulative over-delivery amount is determined by summing the difference up to the current sequence number between monitored value for the previously-produced unit products and the product target parameter. A net difference is then determined between the unit product over-delivery target parameter and the cumulative over-delivery amount. A predetermined modifier is provided and the net difference is adjusted by the predetermined modifier to obtain a control limit adjustment, and the control limits are adjusted by the control limit adjustment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.