Electromechanical actuator strain gauge temperature compensation device

The EMA (100) may comprise an EMA housing (102), a strain gauge (202;400) coupled to the EMA housing (102), the strain gauge (202;400) comprising a Wheatstone bridge (300), the Wheatstone bridge (300) comprising a first group of resistors (302,304) coupled in parallel with a second group of resistor...

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Bibliographische Detailangaben
Hauptverfasser:	Drennen, David B, Keller, Steven
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING BRAKES CLUTCHES CONVERSION OR DISTRIBUTION OF ELECTRIC POWER COUPLINGS FOR TRANSMITTING ROTATION DYNAMO-ELECTRIC MACHINES ELECTRICITY ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERATION HEATING LIGHTING MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE MECHANICAL ENGINEERING PHYSICS TESTING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The EMA (100) may comprise an EMA housing (102), a strain gauge (202;400) coupled to the EMA housing (102), the strain gauge (202;400) comprising a Wheatstone bridge (300), the Wheatstone bridge (300) comprising a first group of resistors (302,304) coupled in parallel with a second group of resistors (306,308), a controller (502) coupled to the strain gauge (202;400), a variable resistance resistor (308,402) coupled to the Wheatstone bridge (300), the variable resistance resistor (308,402) configured to derive a temperature of the EMA housing (102) based upon a temperature of the variable resistance resistor (308,402) and configured to provide feedback to the controller (502), the controller (502) adjusting a force applied by the EMA (100) based upon the temperature of the EMA housing (102).