4米×3米风洞变结构速压控制系统的研制

Design of the Dynamic Pressure Control System on Change Structurein 4 m×3 m Wind Tunnel

分析了风洞速压控制对象特性 ,阐述了变结构控制系统的设计原理、结构 ,介绍了系统硬件和软件结构的实现 ,给出了系统达到的技术指标。该控制系统在类似对象中具有较大的应用价值。

The object characteristic of the dynamic pressure control system of wind tunnel is analyzed.The design principle and construct of the change structure system are presented,the hardware and software of the press control system are also described.The technical indexes obtained during system adjusting are given.The system is valuable to engineering application.