According to the special requires of bridge crane, it adopts the vector control theory, has functions of regulating speed smoothly, energy feed back, sequence brake etc.

本文介绍了一个控制桥式起重机的变频调速系统，它根据桥吊的特殊性能要求，采用矢量控制方式，具备平滑调速、能量回馈、顺序制动等功能。

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In an hour or so Spetter can get a 1, 000hp engine to set speed records and smoothly cruise through suburbia without overheating in traffic.

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Upon arrival in the Naples area, we touched down normally and rolled smoothly to a reduced speed and then taxied to the U. S. Customs and Immigration building at the Naples airport.

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There's an automatic mode to BMW's SMG, and it happens to be a very pleasing system, with adjustable shift speed so you can dial in how smoothly gears change.

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