A new kind of hydraulic high-speed on-off valve with giant magnetostrictive actuator and cone valve structure is presented.

介绍了一种新型的液压高速开关阀，它采用了超磁致伸缩驱动器和锥体式阀芯结构。

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Presents the design principle and the implement of a pressure control system of numerical control fixture based on high-speed on-off valve.

介绍一种基于高速开关电磁阀的数控夹具压力控制系统的设计原理和实现方法。

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Design of a fuzzy controller, to achieve a precise control of the hydraulic cylinder position by the high-speed on-off valve was based on PWM.

设计了一种模糊控制器，实现了PWM高速开关阀控液压缸位置系统的精确控制。

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Among other response activities are on-water skimming, subsurface wellhead operations, continued efforts to see if they can get that shut-off valve to close, and significant booming efforts underway to protect vital shoreline.

WHITEHOUSE: Press Briefing on Oil Spill in Gulf of Mexico

The open approach that Valve decided on years ago is paying off big when it comes to the living room -- if only five percent of that installed base jump in on Steambox in 2013 (what we'd call a highly conservative guess), that's 2.5 million users.

ENGADGET: 2013: The year that Valve attacks HD