NF-6

This paper presents the selection and layout of a wind tunnel compressor for driving NF-6 wind tunnel.

介绍了NF-6风洞轴流压缩机的运转性能要求、在风洞回路中位置的选取；

FEM calculation and hydraulic test of NF-6 wind tunnel

NF-6风洞洞体有限元计算与水压试验

Research on the Mach number control system in NF-6 wind tunnel

NF-6风洞马赫数控制系统研制

A type of self-adjusted PID control method based on BP NN and its application in NF-6 wind tunnel control

一种BP网络自整定PID控制算法及其在NF-6风洞控制中的应用

In this paper, the Mach number control system in NF-6 wind tunnel is introduced, especially in detail for the compressor rotary speed control sub-system, the compressor stator vane control sub-system and the second throat control sub-system. angle.

笔者介绍了NF6风洞马赫数控制系统的组成、特点及运行方式，对转速控制子系统、压缩机静叶角控制子系统、二喉道栅指控制子系统等进行了较为详细的介绍。

NF-6 wind tunnel compressor and driving system

NF-6风洞压缩机及驱动系统研制

NF-6 Wind tunnel is a pressurizing, continuous, high-speed and return-flow aerofoil wind tunnel.

NF-6风洞是一座由轴流式压缩机驱动的增压、连续、高速回流式翼型风洞。

Aiming at the high control performance of the model attitude system in NF-6 wind tunnel, a type of self-adjusted PID control strategy based on BP NN is put forward, and there is farther analysis and improvement combining with improved PID algorithm.

针对NF-6风洞对模型姿态系统控制性能提出的高要求，提出了一种BP网络自整定PID控制策略，并结合现有的改进型PID控制思想对其进行了进一步的分析与改进。

In among, the control system of MACH number is a core system, which guarantee realizing performance for NF-6 wind tunnel.

其中马赫数控制系统是保证整个风洞性能指标的核心系统。