Actuating device and method with adjustable pre-tightening force and controllable output force based on contact resistor

Actuating device and method with adjustable pre-tightening force and controllable output force based on contact resistor

The invention discloses an actuating device and method with adjustable pre-tightening force and controllable output force based on contact resistance, and the method comprises the steps: driving piezoelectric ceramics to drive a diamond ring to stretch and retract, and enabling a steel ball to gener...

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Hauptverfasser: LI YANYU, ZHAI CHONGPIAO, XU MINGLONG, FENG BO
Format: Patent
Sprache:chi ; eng
Schlagworte:
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
GENERATION
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creator LI YANYU
ZHAI CHONGPIAO
XU MINGLONG
FENG BO
description The invention discloses an actuating device and method with adjustable pre-tightening force and controllable output force based on contact resistance, and the method comprises the steps: driving piezoelectric ceramics to drive a diamond ring to stretch and retract, and enabling a steel ball to generate pressure with a steel ball push plate in the direction of driving the piezoelectric ceramics to move; the pressure pushes the steel ball push plate and the push rod to do linear actuation in the axial direction, when the steel ball and the steel ball push plate make contact with each other and generate pressure, non-linear contact resistance can be generated between two contacted objects, the resistance value between the steel ball and the steel ball push plate is monitored in real time through the measuring circuit, and through the resistance value, the non-linear contact resistance can be measured. The magnitude of the contact force is measured in real time by using the contact resistance value as a feedback
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subjects CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
GENERATION
title Actuating device and method with adjustable pre-tightening force and controllable output force based on contact resistor
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