HYDRAULIC DRIVE POSITION CONTROLLER

To provide a hydraulic drive position controller capable of shortening a time from start of control for controlling a positioning target to start of actual movement.SOLUTION: A hydraulic actuator 11 generates a thrust for moving a positioning target. Hydraulic oil supply systems 21, 22 supply hydrau...

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Bibliographische Detailangaben
1. Verfasser:	ICHIHARA KOICHI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BLASTING DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	To provide a hydraulic drive position controller capable of shortening a time from start of control for controlling a positioning target to start of actual movement.SOLUTION: A hydraulic actuator 11 generates a thrust for moving a positioning target. Hydraulic oil supply systems 21, 22 supply hydraulic oil to the hydraulic actuator. A controller 50 supplies the hydraulic oil to the hydraulic actuator from the hydraulic oil supply systems for each control cycle. During the period from a stationary state to the start of movement of the positioning target, the controller makes a supply amount of hydraulic oil in a first control cycle larger than a supply amount of hydraulic oil in second and subsequent control cycles.SELECTED DRAWING: Figure 3 【課題】位置決め対象を移動させる制御を開始してから実際に移動し始めるまでの時間を短縮することが可能な油圧駆動位置制御装置を提供する。【解決手段】油圧アクチュエータ１１が、位置決め対象を移動させる推力を発生する。作動油供給系２１，２２が、油圧アクチュエータに作動油を供給する。制御装置５０が、制御周期ごとに作動油供給系から油圧アクチュエータに作動油を供給させる。位置決め対象が静止状態から動き始めるまでの期間、制御装置は、１回目の制御周期における作動油の供給量を、２回目以降の制御周期における作動油の供給量より多くする。【選択図】図３