软体机械手遥操作系统的设计与分析

doi:10.3969/j.issn.1004-132X.2020.16.009

摘要/Abstract

摘要： 面向气动软体机械手在远程非结构化环境下作业的工作需求，搭建了软体机械手遥操作系统。基于“快速气动网络”及模块化可拆卸原则，设计制作了软体弯曲致动器，根据实验需要组装成仿人手形软体机械手。在Yeoh模型基础上建立了软体致动器的力学模型并借助仿真分析加以修正，为软体致动器的控制提供了理论依据。设计了遥操作系统的总体结构，提出了气动软体机械手的驱动模式与控制策略，在C#窗体应用程序中开发了客户端软件。基于蒙皮技术在3D Max软件中对软体致动器进行建模，在Unity3D中搭建了虚拟作业场景，通过脚本程序设计实现远地端反馈信息对软体末端的运动控制和对目标对象的碰撞与拾取。开展软体致动器弯曲角度与充气气压实验，验证分析力学模型的准确性；开展遥操作手势映射实验，分析与探讨软体机械手遥操作系统的可行性及其进一步研究与应用。

关键词: 软体机械手, 遥操作, 力学建模, 手势映射

Abstract: Aiming at the requirements of pneumatic soft manipulators working in remote unstructured environments, a teleoperation system of pneumatic soft manipulators was built. Based on the principle of “fast pneumatic network” and modular disassembly, a flexible bending actuator was designed and manufactured. A hand-like flexible manipulator was assembled according to the experimental requirements. The mechanics model of the soft actuator was established based on Yeoh model, and was revised by simulation analysis, which provided a theoretical basis for the control of the soft actuator. The architecture of the teleoperation system was designed, the driving mode and control strategy of the pneumatic soft manipulators were put forward. The client software interface was created in the C# windows application. Based on skinning technology, the soft actuator was modeled in 3D Max software, and a virtual working scene was built in Unity3D. The motion control of the soft manipulators and the collision and picking of the target objects were realized by remote feedback information through script programming. Experiments for finding the relationship between the bending angle of the soft actuator and pressure were carried out to verify the accuracy of the analytics mechanics model. And the teleoperation gesture mapping experiments were carried out to analyze the feasibility of the teleoperation systems, and the further research and applications were discussed.

Key words: soft manipulator, teleoperation, mechanics model, gesture mapping

中图分类号:

TP242

姚建涛;陈新博;陈俊涛;魏纯杰;张帅;李海利;赵永生. 软体机械手遥操作系统的设计与分析[J]. 中国机械工程, DOI: 10.3969/j.issn.1004-132X.2020.16.009.

YAO Jiantao;CHEN Xinbo;CHEN Juntao;WEI Chunjie;ZHANG Shuai;LI Haili;ZHAO Yongsheng. Design and Analysis of Soft Manipulator Teleoperation Systems[J]. China Mechanical Engineering, DOI: 10.3969/j.issn.1004-132X.2020.16.009.

参考文献

[1]RUS D L, TOLLEY M T. Design, Fabrication and Control of Soft Robots[J]. Nature, 2015, 521(7553):467-475.
[2]王田苗, 郝雨飞, 杨兴帮, 等. 软体机器人:结构、驱动、传感与控制[J]. 机械工程学报, 2017, 53(13):1-13.
WANG Tianmiao, HAO Yufei, YANG Xingbang, et al. Soft Robotics:Structure, Actuation, Sensing Andcontrol[J]. Journal of Mechanical Engineering, 2017, 53(13):1-13.
[3]POLYGERINOS P, WANG Z, GALLOWAY K, et al. Soft Robotic Glove for Combined Assistance and at-Home Rehabilitation[J]. Robotics & Autonomous Systems, 2014, 73:135-143.
[4]DEIMEL R, BROCK O. A Novel Type of Compliant and Underactuated Robotic Hand for Dexterous Grasping[J]. International Journal of Robotics Research, 2016, 35(1)：161-185.
[5]GUPTA A, EPPNER C, LEVINE S, et al. Learning Dexterous Manipulation for a Soft Robotic Hand from Human Demonstration[C]∥2016 IEEE/RSJ International Conference on Intelligent Robots and Systerms. Daejeon:IEEE , 2016:3786-3793.
[6]NAGASE J Y , WAKIMOTO S , SATOH T , et al. Design of a Variable-stiffness Robotic Hand Using Pneumatic Soft Rubber Actuators[J]. Smart Materials and Structures, 2011, 20(10):105015.
[7]GERBONI G, DIODATO A, CIUTI G, et al. Feedback Control of Soft Robot Actuators via Commercial Flex Bend Sensors[J]. IEEE/ASME Transactions on Mechatronics, 2017, 22(4):1881-1883.
[8]SHE Y, LI C, CLEARY J, et al. Design and Fabrication of a Soft Robotic Hand with Embedded Actuators and Sensors[J]. Journal of Mechanisms & Robotics, 2015, 7(2):1-9.
[9]MORROW J, SHIN H S, PHILLIPS-GRAFFLIN C, et al. Improving Soft Pneumatic Actuator Fingers through Integration of Soft Sensors, Position and Force Control, and Rigid Fingernails[C]∥2016 IEEE International Conference on Robotics & Automation. Stockholm:IEEE, 2016:5024-5031.
[10]YANG H, CHEN Y, SUN Y, et al. A Novel Pneumatic Soft Sensor for Measuring Contact Force and Curvature of a Soft Gripper[J]. Sensors and Actuators A:Physical, 2017, 266:318-327.
[11]HAO Y, GONG Z, XIE Z, et al. Universal Soft Pneumatic Robotic Gripper with Variable Effective Length[C]∥ 2016 35th Chinese Control Conference.Chengdu:IEEE, 2016:6109-6114.
[12]张立彬, 鲍官军, 杨庆华, 等. 气动柔性驱动器及其在灵巧手中的应用研究综述[J]. 中国机械工程, 2008, 19(23):2891-2897.
ZHANG Libin, BAO Guanjun, YANG Qinghua, et al. Review on Flexible Pneumatic Actuator and Its Application in Dexterous Hand[J]. China Mechanical Engineering, 2008, 19(23):2891-2897.
[13]张进华, 王韬, 洪军, 等. 软体机械手研究综述[J]. 机械工程学报, 2017, 53(13):19-28.
ZHANG Jinhua, WANG Tao, HONG Jun, et al. Review of Soft-bodied Manipulator[J]. Journal of Mechanical Engineering, 2017, 53(13):19-28.
[14]GUO J, GUO S, TAMIYA T, et al. A Virtual Reality-based Method of Decreasing Transmission Time of Visual Feedback for a Tele-operative Robotic Catheter Operating System[J]. Int. J. Med. Robot, 2016, 12(1):32-45.
[15]TACHI S, WATANABE K, TAKESHITA K, et al. Mutual Telexistence Surrogate System:TELESAR4-Telexistence in Real Environments Using Autostereoscopic Immersive Display[C]∥2011 IEEE/RSJ International Conference on Intelligent Robots & Systems. San Francisco:IEEE, 2011:157-162.
[16]FERNANDO C L, FURUKAWA M, KUROGI T, et al.TELESAR Ⅴ:TELExistence Surrogate Anthropomorphic Robot[C]∥ACM Siggraph 2012 Emerging Technologies. Los Angeles, 2012： 1-2.
[17]倪得晶, 宋爱国, 李会军. 基于虚拟现实的机器人遥操作关键技术研究[J]. 仪器仪表学报, 2017， 38(10):3-15.
NI Dejing, SONG Aiguo, LI Huijun. Survey on Robot Teleoperation Based on Virtual Reality[J]. Chinese Journal of Scientific Instrument, 2017, 38(10):3-15.
[18]宋爱国. 力觉临场感遥操作机器人技术研究进展[J]. 机械制造与自动化, 2012, 41(1):1-5.
SONG Aiguo. The Development of Force Telepresence Telerobot Technique[J]. Machine Building & Automation, 2012, 41(1):1-5.
[19]CHEN J B， HAN D， PENG Z. Active Grasping Control of Virtual-dexterous-robot Hand with Open Inventor[J]. Mathematical Problems in Engineering, 2014(24):1-7.
[20]胡晨, 张学聃, 马惠敏. 适应物体形状的虚拟手抓取[J]. 中国图象图形学报, 2017, 22(5):663-670.
HU Chen, ZHANG Xuedan, MA Huimin. Shape-adaptive Virtual Hand-grasping Method[J]. Journal of Image and Graphics, 2017, 22(5):663-670.
[21]MOSADEGH B, POLYGERINOS P, KEPLINGER C, et al. Soft Robotics:Pneumatic Networks for Soft Robotics that Actuate Rapidly[J]. Advanced Functional Materials, 2014, 24(15):2163-2170.
[22]姚建涛, 陈新博, 陈俊涛, 等. 轮足式仿生软体机器人设计与运动分析[J]. 机械工程学报, 2019, 55(5):27-35.
YAO Jiantao, CHEN Xinbo, CHEN Juntao, et al. Design and Motion Analysis of a Wheel-walking Bionic Soft Robot[J]. Journal of Mechanical Engineering, 2019, 55(5):27-35.
[23]黄建龙, 解广娟, 刘正伟. 基于Mooney-Rivlin模型和Yeoh模型的超弹性橡胶材料有限元分析[J]. 橡胶工业, 2008, 55(8):467-471.
HUANG Jianlong，XIE Guangjuan，LIU Zhengwei. The Finite Element Analysis of Super-elastic Rubber Material Based on Mooney-Rivlin Model and Yeoh Model[J]. China Rubber Industry，2008，55(8)：467-471.