Systems and methods for auditing optimizers tracking lumber in a sawmill
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United States of America Patent
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Nov 29, 2016
Grant Date -
Aug 8, 2013
app pub date -
Feb 3, 2012
filing date -
Feb 3, 2012
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Abstract
An audit system and method audits operation of an optimizer system in a mill, for example auditing operation of a cant optimizer which optimizes sawing patterns. The audit system may be completely independent of the optimizer. For example, the audit system may acquire information (e.g., optically) indicative of a geometry of boards downstream from a piece of equipment such as a gangsaw. The audit system may computationally reconstruct a cant from which the boards were sawn, determine an outside dimension indicative of wane, and simulate alternative sawing patterns, determining a theoretical amount of recovery that would have resulted from each and comparing such to actual recovery from the log or cant. Alternative sawing patterns may take into account various wane rules and comparison may take into account current demand and/or prices for dimensional lumber.
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