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多自由度分段式柔性夹爪设计

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针对柔性夹爪抓取模式较为单一而难以适应复杂工况的问题,课题组提出一种具有多自由度的分段式柔性夹爪.该夹爪由3个具有多个独立气室的柔性手指组成,每个柔性手指采用前端单气室与后端双气室结合的分段式结构;基于2阶Yeoh模型建立数学模型并进行仿真;利用3D打印技术制作了夹爪实物,并基于所设计的多通路控制系统完成了抓取及外界交互实验.结果表明:该夹爪能够实现适应性抓取以及旋拧、捏取等较为复杂的人手动作,具有多功能性和较强的适应性.
M-DOF Segmented Flexible Gripper Design
Aiming at the problem that flexible gripper grasping mode is relatively single and difficult to adapt to complex working conditions,the research group proposed a segmented flexible gripper with multiple degrees of freedom.The gripper was composed of three flexible fingers equipped with multiple independent air chambers.Each flexible finger adopted a segmented structure consisting of a front single air chamber and rear double air chambers.The mathematical model based on second-order Yeoh model was established and simulated.Subsequently,3D printing technology was used to produce the gripper object,followed by comprehensive grasping and external interaction experiments conducted using the designed multi-path control system.The results demonstrate that the gripper can effectively execute adaptive grasping as well as intricate hand movements such as screwing and pinching,underscoring its versatility and strong adaptability.

flexible gripperflexible fingerM-DOF(Multi-Degrees of Freedom)3D printing technologyYeoh model

王欣豪、陈永当、郭正阳、马叶、李晨毓、毛勃越

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西安工程大学机电工程学院,陕西西安 710699

柔性夹爪 柔性手指 多自由度 3D打印技术 Yeoh模型

2024

轻工机械
中国轻工机械协会,中国轻工业机械总公司,轻工业杭州机电设计研究院

轻工机械

CSTPCD
影响因子:0.465
ISSN:1005-2895
年,卷(期):2024.42(6)