波登管力反馈型2D压力伺服阀特性

中国机械工程

波登管力反馈型2D压力伺服阀特性

左希庆1;张守丽1;刘国文1;孟彬2;阮健2

1.湖州职业技术学院机电与汽车工程学院，湖州，313000
2.浙江工业大学特种装备制造与先进加工技术教育部重点实验室，杭州，310014

出版日期:2018-06-25 发布日期:2018-06-26
基金资助:
国家自然科学基金资助项目(51405443)；
浙江省科技厅公益技术项目（2016C31056）
National Natural Science Foundation of China （No. 51405443）

Characteristics of 2D Pressure Servo Valves with Bourdon Tube Pressure Feedbacks

ZUO Xiqing1;ZHANG Shouli1;LIU Guowen1;MENG Bin2;RUAN Jian2

1.Department of Mechanical and Electrical Engineering，Huzhou Vocational & Technical College，Huzhou，Zhejiang，313000
2.Key Laboratory of Special Purpose Equipment and Advanced Processing Technology，Ministry of Education，Zhejiang University of Technology，Hangzhou，310014

Online:2018-06-25 Published:2018-06-26
Supported by:
National Natural Science Foundation of China （No. 51405443）

摘要/Abstract

摘要： 设计了主要用于飞机刹车系统的2D压力伺服阀，其阀芯具有移动自由度和旋转自由度。将波登管作为压力反馈单元输出反馈力矩,与拨杆拨叉联动，实现与主阀的闭环力反馈，从而保持其压力输出恒定；分析了波登管力反馈机构的传力方式，建立了2D压力伺服阀的数学模型，仿真分析了主阀的静动态特性；设计了样机实验方案并搭建实验平台，实验结果表明：2D压力伺服阀输出压力与旋转电磁铁输入电流基本成线性关系，输出压力的阶跃响应时间约为18 ms。实验结果与仿真分析结果基本一致。

关键词: 波登管, 旋转电磁铁, 压力伺服, 力反馈

Abstract: 2D pressure servo valves mainly applied to aircraft brake systems were designed，whose spools had linear movements and rotary movements.Bourdon tube was used as pressure feedback unit，and the output feedback torques were linked with shift lever forks to realize the closed loop force feedback with the main valves.Pressure outputs were kept constant.Force transfer method of Bourdon tube force feedback mechanism was analyzed，mathematical model of the 2D pressure servo valves was established，static and dynamic characteristics of the main valves were simulated and analyzed.A prototype experimental program was designed，and an experimental platform was built.The experimentalal results show that the output pressures of the 2D pressure servo valves are basically linear with the input current of the rotating electromagnets，and the step response time of the output pressures is about 18ms.The experimental results are basically consistent with the simulation ones.

Key words: Bourdon tube, rotary electromagnet；pressure servo；pressure feedback

中图分类号:

TP271

左希庆1;张守丽1;刘国文1;孟彬2;阮健2. 波登管力反馈型2D压力伺服阀特性[J]. 中国机械工程.

ZUO Xiqing1;ZHANG Shouli1;LIU Guowen1;MENG Bin2;RUAN Jian2. Characteristics of 2D Pressure Servo Valves with Bourdon Tube Pressure Feedbacks[J]. China Mechanical Engineering.

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