EFFORT MODULATION FOR PROCESS CONTROL OF FRICTION STIR OPERATIONS
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United States of America Patent
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Issued Date -
Nov 16, 2017
app pub date -
Jul 31, 2017
filing date -
Mar 30, 2012
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Abstract
A system and method for making adjustments to output effort from a spindle driver using a multi-stage nested control loop of an active controller to provide constant power to a friction stir zone during a friction stir operation. Providing constant power facilitates temperature control within the friction stir zone and thereby improves the result of the operation
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