一种连续式跨声速风洞总压控制方法设计

陈旦; 张永双; 李刚; 郭守春; 沈牟

doi:10.11729/syltlx20180094

一种连续式跨声速风洞总压控制方法设计

doi: 10.11729/syltlx20180094

陈旦^1, ,,
张永双^{2, 3},
李刚¹,
郭守春¹,
沈牟¹

1.
中国空气动力研究与发展中心, 四川绵阳 621000
2.
西南交通大学风工程四川省重点实验室, 成都 610031
3.
电子科技大学自动化工程学院, 成都 611731

基金项目:

国家自然科学基金项目 11602292

国防基础科研项目 3506077

详细信息

作者简介:
陈旦(1986-), 男, 四川邻水人, 工程师。研究方向:风洞控制系统设计与研究。通信地址:绵阳市二环路南段6号(621000)。E-mail:cd0606@163.com。

通讯作者:
陈旦, E-mail:cd0606@163.com

中图分类号: V211.74
计量
- 文章访问数: 456
- HTML全文浏览量: 216
- PDF下载量: 12
- 被引次数: 0
出版历程
- 收稿日期: 2018-07-31
- 修回日期: 2018-11-06
- 刊出日期: 2019-12-25

A design of total pressure control method for continuous transonic wind tunnel

1.
China Aerodynamics Research and Development Center, Mianyang Sichuan 621000, China
2.
Key Laboratory for Wind Engineering of Sichuan Province, Southwest Jiaotong University, Chengdu 610031, China
3.
School of Automation Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China

摘要

摘要: 总压是连续式跨声速风洞关键流场参数，高总压控制精度能提高试验数据的准确性，加快调节速度对缩短马赫数极曲线时间具有重要意义。针对连续式跨声速风洞试验工况多、调节手段多等特点，对连续式跨声速风洞压力调节系统及多种流场调节手段下的压力耦合特性进行分析研究，建立了连续式跨声速风洞总压控制精度和调节阀特性的对应关系，并以此设计出不同工况的阀门组合控制策略，采用分段变参数加模糊PID控制算法实现总压的闭环控制。风洞试验结果表明：在保证每条马赫数极曲线时间的同时，总压控制精度达到0.1%，控制方法能够有效满足连续式跨声速风洞总压控制要求。
- 连续式跨声速风洞 /
- 总压控制 /
- 调节阀特性 /
- 控制策略 /
- 模糊PID
Abstract: The total pressure is the key indicator of the continuous transonic wind tunnel. The high control precision of the total pressure can improve the accuracy of the test data, and the fast adjustment speed is of great significance for shortening the time of the Mach polar curve. According to the main characteristics of the continuous transonic wind tunnel, such as the presence of various test conditions and many adjusting means of the flow field, the characteristics of the pressure regulating system and the coupling characteristics of different adjusting means for the continuous transonic wind tunnel have been analyzed firstly. Then the control precision of the total pressure and the characteristics of the regulating valve have been obtained for the continuous transonic wind tunnel. The valves combination strategy is designed according to different test conditions. Lastly the control algorithm of the segmented variable parameter combined with the fuzzy PID is used to adjust the total pressure accurately. The result of the wind tunnel test shows that while guaranteeing the time of each Mach pole curve, the total pressure control accuracy reaches 0.1% and the control strategy can adapt to the control requirement of the total pressure control for the continuous transonic wind tunnel.
- continuous transonic wind tunnel /
- total pressure control /
- characteristics of regulating valve /
- control strategy /
- fuzzy PID

HTML全文

图 1 压力调节系统结构

Figure 1. The structure of the pressure regulating system

下载: 全尺寸图片幻灯片

图 2 总压、马赫数各调节手段的耦合关系

Figure 2. The coupling relation of adjusting means for total pressure and Mach number

下载: 全尺寸图片幻灯片

图 3 调节阀特性和总压精度关系曲线

Figure 3. The relation between total pressure precision and regulating valve properties

下载: 全尺寸图片幻灯片

图 4 总压控制框图

Figure 4. Block diagram of total pressure control

下载: 全尺寸图片幻灯片

图 5 常压增压下变马赫数调试结果

Figure 5. Debugging result of changing Mach number under normal pressure and pressurization condition

下载: 全尺寸图片幻灯片

图 6 20 kPa变马赫数调试结果

Figure 6. Debugging result of changing Mach number at 20 kPa

下载: 全尺寸图片幻灯片

图 7 常压下变转速调节马赫数的调试结果

Figure 7. The result of changing compressor speed to adjust Mach number under normal pressure condition

下载: 全尺寸图片幻灯片

图 8 常压下变中心体调节马赫数的调试结果

Figure 8. The result of changing center body to adjust Mach number under normal pressure condition

下载: 全尺寸图片幻灯片

表 1 模糊PID规则表

Table 1. Fuzzy PID rule table

E	EC
E	NM	NS	0	PS	PM
NB	PB/NB	PB/NM	PB/NM	PB/NS	PS/0
NM	PB/NB	PB/NM	PB/NS	PB/NS	0/0
NS	PM/NM	PM/NS	PS/NS	0/0	NS/PS
0P	PS/NS	PS/NS	0/0	NS/PS	NM/PM
0N	NP/PS	PS/NS	0/0	NS/PS	PM/PS
PS	NS/NS	0/0	NS/PS	NS/PS	PM/PS
PM	0/0	NS/PS	NM/PS	NM/PM	PB/NB
PB	PS/0	NM/PS	NM/PM	NM/PM	PB/NB

下载: 导出CSV

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