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论文:2020,Vol:38,Issue(5):994-1000 |
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引用本文： |
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万琦, 刘更, 宋春雨, 马尚君, 佟瑞庭. 含多个间隙铰的舵机传动系统动力学特性研究[J]. 西北工业大学学报 |
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WAN Qi, LIU Geng, SONG Chunyu, MA Shangjun, TONG Ruiting. Research on Dynamic Characteristic of Rudder Transmission System with Multiple Clearance Joints[J]. Northwestern polytechnical university |
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| 含多个间隙铰的舵机传动系统动力学特性研究 |
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| 万琦1, 刘更1, 宋春雨2, 马尚君1, 佟瑞庭1 |
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1. 西北工业大学 陕西省机电传动与控制工程实验室, 陕西 西安 710072;
2 中国运载火箭技术研究院, 北京 100076 |
| 摘要: |
| 为了满足舵机传动系统中铰链小间隙、大力载和大接触区域的特点，建立了一种适用于大面积接触碰撞过程且考虑非线性变刚度系数和轴承轴向尺寸的法向接触力模型。通过在不同间隙尺寸、恢复因数、初始碰撞速度和轴承轴向尺寸等各种工况下的仿真分析，验证模型的适用范围。进一步通过ADAMS软件中用户自定义子程序接口，将该接触力模型通过编译、链接嵌入舵机传动系统的动力学模型中，仿真结果表明：多个间隙铰下的系统动态响应并非单个间隙下响应的简单叠加，其相互耦合作用加剧了系统的振荡及非线性特性。该研究为含间隙铰飞行器的结构优化及控制策略设计提供理论参考。 |
| 关键词:
舵机传动系统
间隙铰
非线性接触力模型
动力学相互作用
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| Research on Dynamic Characteristic of Rudder Transmission System with Multiple Clearance Joints |
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| WAN Qi1, LIU Geng1, SONG Chunyu2, MA Shangjun1, TONG Ruiting1 |
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1. Shaanxi Engineering Laboratory for Transmissions and Controls, Northwestern Polytechnical University, Xi'an 710072, China;
2. China Academy of Launch Vehicle Technology, Beijing 100076, China |
| Abstract: |
| In order to meet the characteristics including small clearance, heavy load and large contact area of joints existed in rudder transmission system, a new normal contact force model is established, which is suitable for the large-area contact process and considers the coefficient of nonlinear variable stiffness as well as the axial length of bearing. The applicability of this model is verified by simulations under some conditions with different clearance size, restitution coefficient, initial collision speed and bearing's axial length. Furthermore, through the user-defined subroutine interface in ADAMS software, this modified contact force model is compiled and linked into the dynamic model of the rudder transmission system. The simulation results show that the dynamic response of the system with multiple clearance joints is not a simple superposition of that with one single clearance, and the dynamic interaction between these joints intensifies the oscillation and nonlinear characteristics of the system. This study provides a theoretical reference for the structural optimization and control strategy design of aircraft with clearance joints. |
| Key words:
rudder transmission system
clearance joint
nonlinear contact force model
dynamic interaction
simulation
ADAMS
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| 收稿日期: 2019-12-16
修回日期:
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| DOI: 10.1051/jnwpu/20203850994 |
| 基金项目: 国家自然科学基金（51675429）、国家自然科学基金重点项目（51535009）与高等学校学科创新引智计划（B13044）资助 |
| 通讯作者:
Email： |
| 作者简介: 万琦(1991-),女,西北工业大学博士研究生,主要从事含间隙铰机构动力学研究。
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| 作者相关文章 |
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| 万琦 在本刊中的所有文章 |
| 刘更 在本刊中的所有文章 |
| 宋春雨 在本刊中的所有文章 |
| 马尚君 在本刊中的所有文章 |
| 佟瑞庭 在本刊中的所有文章 |
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相关文献: |
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1．李博, 王三民, 袁茹, 薛向珍.运动副间隙耦合作用下平面剪式线性阵列可展结构的动力学分析[J]. 西北工业大学学报, 2017,35(3): 455-461 |
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