The display with LED video louver window mode consists of computer system, frame controller, receiving board, scanning board, LED displaying unit, supporting rack, power source and lines;

这种LED百叶窗式显示屏 由电子计算机系统，帧控制器，接收板，扫描板，LED显示单元，支撑架，电 源及连线组成；

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This paper proposes a cascaded nonlinear PI controller for three-phase voltage source PWM rectifier, which is based on its model in synchronous reference frame.

该文以同步旋转坐标系模型为基础，设计了三相电压型PWM整流器的级联式非线性PI控制器。

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This kind of video controller can accurately generate video control time sequence of two frame graphics data in the same time.

系统以单处理器、单视频控制器同时驱动两路画面不同的彩色显示器，完成复杂画面的实时生成。

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Designed to be lightweight and cheap to produce, the robotic bicep upgrade uses a (mostly) aluminum frame, battery-powered DC motor, cable drive system, racket braking and thumbstick controller for movement, with a BeagleBone board supervising the electronics that pull it all together.

ENGADGET: UPenn's TitanArm exoskeleton prototype makes light work of heavy lifting (video)