Hydraulic System Design and Simulation of the Forging Manipulator

Fu, Xin

doi:10.3901/jme.2010.11.049

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Requirements On Driving Power Design1

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Cited by 7 publications

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“…Since the elongation of GMM is related to the strength of magnetic field [6], in order to get continuous and stable control of the actuator in its linear extent, the driving power needs to meet the following requirements [7,8]:…”

Section: Requirements On Driving Power Designmentioning

confidence: 99%

Design and Study on Power Supply for Giant Magnetostrictive Accurate-Motion Actuator

Zhu

2008

KEM

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The architecture and operation theory of Giant Magnetostrictive Accurate-motion Actuator have been introduced. After analysing the driving characteristic of giant magnetostrictive material and requirement of driving power, a design method of wide range and high precision NC constant-current source has been put out. The output circuit is composed of serial 12-bit DACs Max531, low-noise high-speed precision operational amplifiers OP27 and driving circuit. It provides current from 0 to 2.048A with 0.5mA step value. Two fully differential input channels 16-bit, sigma-delta ADCs AD7705 collects output current in feedback loop. Current ripple is controlled under 0.25mA through using homemade high-performance linear power. The result shows that the driving power with characteristic of high stability and fast response meets the needs of driving of Giant Magnetostrictive Accurate-motion.

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Section: Requirements On Driving Power Designmentioning

confidence: 99%