The invention discloses a solar tracking device which comprises a power unit, a supporting board and an adjustment unit, wherein the power unit is provided with a lifting piece;

本发明公开一种太阳跟踪装置，该太阳跟踪装置包括有动力单元， 其具有升降件；

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The article describes composition of hydraulic control system of lifting device, and adoption of moment-location feedback control to perform displacement and positioning of work piece in correct way.

简要阐述提升装置液压系统组成及采用力-位置反馈控制思想实现工件的移动和定位。

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Our HAL was energized as soon as we tensed our arm muscles, so lifting up the tray of four 1.5kg water bottles was a piece of cake consistently throughout the demo -- we even managed it with just our pinky (see video above)!

ENGADGET: Cyberdyne HAL robotic arm hands-on (video) Hands-on