六分力测试静态性能标定方法

林涛; 彭澎; 司欣格; 李大海; 张永建; 狄长安

doi:10.13224/j.cnki.jasp.20230335

六分力测试静态性能标定方法

doi: 10.13224/j.cnki.jasp.20230335

南京理工大学机械工程学院，南京 210000

详细信息

作者简介:
林涛（1995-），男，博士生，主要从事仪器科学与技术方面的研究

中图分类号: V216
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- 文章访问数: 573
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- 被引次数: 0
出版历程
- 收稿日期: 2023-05-20
- 网络出版日期: 2024-07-23

Static performance calibration method for six-component force testing

School of Mechanical Engineering，Nanjing University of Science and Technology，Nanjing 210000，China

摘要

摘要:
为准确地获取某型发动机偏航、俯仰、主推力等工作性能，在前人研究的基础之上，研制出一种发动机四支点六分量测试台架，该台架集发动机推力测试和静态性能标定于一体，实现了对某型发动机的推力测量。介绍了测量系统和静态性能标定方法，并进行了测力单元静态标定试验。试验结果表明所设计的动态六分力测试台测量精度较高，总体相对误差为0.31%。
- 四支点六分量 /
- 发动机推力 /
- 测力方法 /
- 静态标定 /
- 六分力
Abstract:
In order to accurately obtain the yaw, pitch and main thrust performance of an engine, a four-fulcrum and six-component engine testing platform was developed on the basis of previous studies. This platform integrated thrust test and static performance calibration of an engine, and realized thrust measurement of a certain engine. The measuring system and static performance calibration method were introduced, and the static calibration test of force measuring unit was carried out. The test results showed that the designed dynamic six-component force tester had high measuring accuracy, with the overall relative error of 0.31%.
- four-fulcrum six-components /
- engine thrust /
- force measurement method /
- static calibration /
- six-component force

HTML

图 1 六分力测试台架结构图

Figure 1. Structural diagram of the six-component force testing platform

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图 2 四支点六分量测试平台力传感器布置示意图

Figure 2. Schematic diagram of force sensor arrangement on four-point six-component testing platform

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图 3 标定单元结构组成

Figure 3. Composition of calibration unit structure

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图 4 X向数据拟合图

Figure 4. Data fitting graph in the X-direction

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图 5 Y向数据拟合图

Figure 5. Data fitting graph in the Y-direction

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图 6 Z向数据拟合图

Figure 6. Data fitting graph in the Z-direction

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表 1 X轴正向标定测试

Table 1. X direction positive calibration test

输入载荷/N	电压输出/V	相对误差/%	线性度/%
0	0	0	0
805.52	0.40	−0.05	−0.01
1313.01	0.65	−0.20	−0.05
1769.19	0.88	−0.28	−0.10
2251.68	1.11	−1.01	−0.46
2826.10	1.39	−0.96	−0.55
3223.49	1.59	−0.38	−0.25
3753.18	1.85	−0.48	−0.37
4176.16	2.06	−0.42	−0.36
4654.24	2.30	−0.41	−0.39

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