The application principle and method of tolerant technique to wind tunnel experiment are introduced. It regards the subsonic wind tunnel as a monitored object.

以亚音速风洞为监测对象，介绍容错技术在风洞试验中的应用原理和方法。

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Regarding subsonic wind tunnel as a monitored object, we discussed and analysed the structure and feature of system, allocation of software and hardware and implementation of tolerant function.

同时对系统的结构特点、软件和硬件的配置、容错功能的实现等进行了分析和讨论。

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An ABB variable speed drive system is to power the giant fan that generates subsonic wind speeds at Boeing's flagship wind tunnel in Philadelphia.

ABB的一个变速驱动系统正在为波音公司在费城的旗舰风洞的大型风扇提供动力，以制造出次音速风速。

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