弹性元件参数优化对扑翼机构转速波动影响研究

张博利; 刘新杰; 王昊; 张威

doi:10.13433/j.cnki.1003-8728.20200311

弹性元件参数优化对扑翼机构转速波动影响研究

doi: 10.13433/j.cnki.1003-8728.20200311

张博利^{1, 2,},
刘新杰³,
王昊⁴,
张威^{2, 3, 5, ,}

1.
中国民航大学基础实验中心, 天津 300300
2.
民航航空公司人工智能重点实验室, 天津 300300
3.
中国民航大学航空工程学院, 天津 300300
4.
中国民航大学中欧工程师学院, 天津 300300
5.
中国民航地面特种设备研究基地, 天津 300300

基金项目:

国家自然科学基金民航联合基金项目 U2033208

详细信息

作者简介:
张博利(1980-), 实验师, 硕士, 研究方向机械电子工程, blzhang@cauc.edu.cn

通讯作者:
张威, 教授, 硕士生导师, weizhang@cauc.edu.cn

中图分类号: TG156
计量
- 文章访问数: 97
- HTML全文浏览量: 18
- PDF下载量: 16
- 被引次数: 0
出版历程
- 收稿日期: 2019-08-15
- 刊出日期: 2021-05-01

Influence of Elastic Element Parameters Optimization on Flapping Wing Transmission Mechanism

ZHANG Boli^{1, 2
,},
LIU Xinjie³,
WANG Hao⁴,
ZHANG Wei^{2, 3, 5
, ,}

1.
Basic Experiment Center, CAUC, Tianjin 300300, China
2.
Civil Aviation Key Laboratory of Artificial Intelligence for Airlines, Tianjin 300300, China
3.
College of Aeronautical Engineering, CAUC, Tianjin 300300, China
4.
Sino-European Institute of Aviation Engineering, CAUC, Tianjin 300300, China
5.
CAAC Aviation Special Ground Equipment Research Base, Tianjin 300300, China

摘要

摘要: 以特拉华大学机械系统实验室所研制的样机模型进行建模，该模型传动机构采用曲柄摇杆机构。传动机构在运转的过程中，翅翼会在气动力和惯性力作用下产生周期性波动，导致电机转速波动增大，影响机构的平稳运行，产生振动和噪声。在仿真试验中引入弹簧元件，可有效降低电机转速波动，利用正交试验设计方法对影响电机转速波动的影响因素进行极差分析，得出弹簧的连接点位置是主要因素，弹簧的刚度系数是次要因素，弹簧原长影响最小。搭建了物理实验平台，验证了仿真结果和正交试验设计方法的正确性。
- 曲柄摇杆机构 /
- 转速波动 /
- 弹簧元件 /
- 极差分析 /
- 扑翼
Abstract: This article uses prototype model developed by the mechanical systems laboratory of University of Delaware. This model uses crank rocker mechanism. The wings will produce periodic fluctuation under aerodynamic force and inertial force in operation, which will easily cause the increased speed fluctuation of motor. The factors affect the smooth operation of mechanism, which will generate vibration and noise. The spring elements can effectively reduce speed fluctuation in simulation, using orthogonal test design method to conduct range analysis of the factors. It is concluded that position of the spring connection is the main factor, the spring stiffness coefficient is second factor, the spring original length is third factor. The physical experiment platform was set up to verify correct simulation results and orthogonal experimental design method.
- crank rocker mechanism /
- speed fluctuation /
- spring element /
- range analysis /
- flapping wing

HTML全文

图 1 单曲柄双摇杆机构

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图 2 右侧曲柄摇杆机构

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图 3 电机转速变化曲线

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图 4 电机转速最优变化曲线

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图 5 电机转速变化预测曲线

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图 6 曲柄摇杆机构实验平台

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图 7 第1组电机转速变化曲线

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图 8 第2组电机转速变化曲线

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表 1 传动机构各杆件参数设置

参数	l₁	l₂	l₃	l₄	x_R	y_R
长度/mm	6	20	15	330	15	21
质量/g	0.25	0.5	0.25	2.5	-	-

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表 2 电机的相关参数

电源电压/V	电枢电阻/Ω	导体数量	单级磁通/Wb	比例系数
6	20	15	330	1

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表 3 电机转速峰值对照表

连接点位置r/mm	弹簧原长l/mm	弹簧刚度k/(N·mm^-1)	最小转速/(r·min^-1)	最大转速/(r·min^-1)	速度/(r·min^-1)
无弹簧	无弹簧	无弹簧	239.967 3	240.038 2	0.070 9
r₁=49	l₁=69	k₁=0.9	239.991 6	240.015 6	0.024
r₁=49	l₂=70	k₂=1.0	239.987 2	240.012 5	0.025 3
r₁=49	l₃=71	k₃=1.1	239.985 6	240.014 7	0.029 1
r₁=49	l₄=72	k₄=1.2	239.975 4	240.021 9	0.046 5
r₂=50	l₁=69	k₂=1.0	239.990 9	240.009 7	0.018 8
r₂=50	l₂=70	k₃=1.1	239.990 8	240.010 5	0.019 7
r₂=50	l₃=71	k₄=1.2	239.984 3	240.015	0.030 7
r₂=50	l₄=72	k₁=0.9	239.987 5	240.007 8	0.020 3
r₃=51	l₁=69	k₃=1.1	239.990 5	240.013 9	0.023 4
r₃=51	l₂=70	k₄=1.2	239.981 8	240.006 2	0.024 4
r₃=51	l₃=71	k₁=0.9	239.984 7	240.006 8	0.022 1
r₃=51	l₄=72	k₂=1.0	239.991 7	240.012 2	0.020 5
r₄=52	l₁=69	k₄=1.2	239.990 3	240.011 8	0.021 5
r₄=52	l₂=70	k₁=0.9	239.985	240.013 3	0.028 3
r₄=52	l₃=71	k₂=1.0	239.978 8	240.011 6	0.032 8
r₄=52	l₄=72	k₃=1.1	239.986 9	240.009	0.022 1

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表 4 电机转速峰值数据分析

名称	r/mm	l/mm	k/(N·mm^-1)
T₁	0.124 9	0.087 7	0.094 7
T₂	0.089 5	0.097 7	0.097 4
T₃	0.090 4	0.114 7	0.094 3
T₄	0.104 7	0.109 4	0.123 1
t₁	0.031 225	0.021 925	0.023 675
t₂	0.022 375	0.024 425	0.024 35
t₃	0.022 6	0.028 675	0.023 575
t₄	0.026 175	0.027 35	0.030 775
Y	0.008 85	0.006 75	0.007 1

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表 5 实验平台机构参数 mm

l₁	l₂	l₃	l₄	x_R	y_R
50.0	70.0	120.0	630.0	70.0	235.0

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表 6 5GN-3K电机参数

功率/W	电压/V	电流/A	转速/(r·min^-1)
120	220	1.2	90~1 350

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表 7 HCNJ-101扭矩传感器参数

电压/V	量程/(N·m)	转矩精度	绝缘电阻/MΩ
24	0±10	±25%	≥200

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表 8 第1组电机转速变化数据

连接点位置/mm	弹簧长度/mm	转速/(r·min^-1)
-	无弹簧	7
105	235	20
135	240	5
160	245	17
185	250	14

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表 9 第2组电机转速变化数据

连接点位置/mm	弹簧长度/mm	转速/(r·min^-1)
-	无弹簧	7
105	235	12
135	240	6
160	245	11
185	250	14

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