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学者姓名:张薇
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Abstract :
本发明提出一种直线式航模舵机,所述舵机包括由矩形体永磁块互相吸引连接组成的永磁体、用于固定以及定位永磁体的磁架、连接磁架以及航模舵面作动机构的滑动轴;所述永磁体侧面N、S极交替分布,永磁体两旁侧对称分布两组驱动线圈;所述驱动线圈以N根供电引线与舵机控制模块相连;所述舵机控制模块与航模遥控接收机相连以接收其输出的PWM信号,并把PWM信号转译为可由N根供电引线通断电状态表示的舵面行程点编码,并按舵面行程点编码控制N根供电引线的通断电状态,使舵机按航模遥控接收机接收的遥控指令运动至所需的行程点处;本发明响应快、寿命长、结构简单、体积紧凑、可维护性高、更能适应机翼结构特点,能够运用于仿真类航模上。
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GB/T 7714 | 张薇 , 陈宇 , 姜思远 . 一种直线式航模舵机 : CN202210735500.4[P]. | 2022-06-27 00:00:00 . |
MLA | 张薇 等. "一种直线式航模舵机" : CN202210735500.4. | 2022-06-27 00:00:00 . |
APA | 张薇 , 陈宇 , 姜思远 . 一种直线式航模舵机 : CN202210735500.4. | 2022-06-27 00:00:00 . |
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Drived by the need to develop the key components with multifunctional performances such as lightweight, vibration-reduction and electrical conductivity for aviation aircraft, electric control box of vehicle, a copper-steel wire composite metal rubber with double-helix structure was designed and fabricated. The internal crosslinked meso-structure evolution of composite metal rubber was analysed by finite element simulation. In order to better understand the dynamic mechanical and the electrical properties of the copper-steel wire composite metal rubber, the experimental platforms for the dynamic loading test with variable excitation condition and the electrical resistance test were established. The damage factor was proposed to evaluate the fatigue failure of composite metal rubber. The effects of copper-steel mass ratio on the dynamic vibration reduction performance, fatigue damage and static/dynamic electrical resistance were investigated. The results show that the dynamic stiffness increases and the loss factor decreases with the increase of frequency and amplitude. The larger damage factor, the more sensitivity of dynamic stiffness fluctuation and loss factor fluctuation. The larger copper-steel mass ratio leads to the more serious dynamic wear of internal crosslinked wires. The electrical resistance decreases with the increase of static compression. With the increase of dynamic vibration cycle, the electrical resistance exhibits the increasing evolution, especially for the larger ratio of copper wire.
Keyword :
copper-steel wire composite metal rubber with double-helix structure copper-steel wire composite metal rubber with double-helix structure damage factor damage factor dynamic mechanical properties dynamic mechanical properties electrical resistance electrical resistance fatigue failure fatigue failure
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GB/T 7714 | Wu Fang , Zheng Chao , Ren Zilin et al. Dynamic Mechanical and Electrical Properties of Copper-Steel Wire Composite Metal Rubber with Double-Helix Structure [J]. | RARE METAL MATERIALS AND ENGINEERING , 2023 , 52 (3) : 1103-1112 . |
MLA | Wu Fang et al. "Dynamic Mechanical and Electrical Properties of Copper-Steel Wire Composite Metal Rubber with Double-Helix Structure" . | RARE METAL MATERIALS AND ENGINEERING 52 . 3 (2023) : 1103-1112 . |
APA | Wu Fang , Zheng Chao , Ren Zilin , Zhang Wei , Xue Xin . Dynamic Mechanical and Electrical Properties of Copper-Steel Wire Composite Metal Rubber with Double-Helix Structure . | RARE METAL MATERIALS AND ENGINEERING , 2023 , 52 (3) , 1103-1112 . |
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Abstract :
本实用新型涉及一种三自由度的汽车头枕,包括前端安装有头枕本体的头枕固定座和设于头枕固定座后侧的支撑座,所述支撑座的上、下两端均设有可朝向头枕固定座水平移动的移动件,所述移动件的旁侧设有用于固定住移动件的水平止动件,移动件的前端铰接有滑动件,所述滑动件与头枕固定座的后端沿竖向滑动连接,位于上端的滑动件内部设有用于固定住头枕固定座的竖向止动件。本实用新型结构设计合理,可实现汽车头枕高度调节、俯仰角度调节以及前后位置调节,提高使用舒适度,解决了目前汽车头枕难以调节多自由度的问题。
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GB/T 7714 | 张薇 , 姜思远 , 钟文显 . 一种三自由度的汽车头枕 : CN202121642290.1[P]. | 2021-07-20 . |
MLA | 张薇 et al. "一种三自由度的汽车头枕" : CN202121642290.1. | 2021-07-20 . |
APA | 张薇 , 姜思远 , 钟文显 . 一种三自由度的汽车头枕 : CN202121642290.1. | 2021-07-20 . |
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Keyword :
动力学 动力学 综合 综合 肌肉力学 肌肉力学 鱼类 鱼类 鳗鲡 鳗鲡
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GB/T 7714 | 张薇 . 基于综合游动力学的鳗鲡鱼类红肌的肌肉力学性能研究 [C] //2015中国力学大会论文集 . 2015 : 292-292 . |
MLA | 张薇 . "基于综合游动力学的鳗鲡鱼类红肌的肌肉力学性能研究" 2015中国力学大会论文集 . (2015) : 292-292 . |
APA | 张薇 . 基于综合游动力学的鳗鲡鱼类红肌的肌肉力学性能研究 2015中国力学大会论文集 . (2015) : 292-292 . |
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GB/T 7714 | 张薇 . 基于综合游动力学的鳗鲡鱼类红肌的肌肉力学性能研究 [C] //中国力学大会-2015论文摘要集 . 2015 . |
MLA | 张薇 . "基于综合游动力学的鳗鲡鱼类红肌的肌肉力学性能研究" 中国力学大会-2015论文摘要集 . (2015) . |
APA | 张薇 . 基于综合游动力学的鳗鲡鱼类红肌的肌肉力学性能研究 中国力学大会-2015论文摘要集 . (2015) . |
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