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This lecture, published by Columbia Gorge Community College, provides a detailed overview of acceleration control of hydraulic actuators using proportional valves. The presenter discusses "controlling the ramp up and down rate of applied voltage influences the gradual opening and closure of the proportional valve and thereby the flow rate and acceleration and deceleration characteristics of the actuator and applied load." And "by perfectly timing the closure of the proportional valve the travel length can be maximized and pressure spike minimized." The recording runs 23:25 minutes in length and part two is available to view separately. 

Archived with ATE Central
Alternate Title Acceleration Control Using Proportional Valves (Part One of Two)
Url https://www.youtube.com/watch?v=USeQTke_Tc0
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Date Issued 2016-10-17
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