IMR OpenIR
A Highly Reliable Embedded Optical Torque Sensor Based on Flexure Spring
Liu, Yuwang1; Tian, Tian2; Chen, Jibiao3; Wang, Fuhua1; Zhang, Defu3
Corresponding AuthorLiu, Yuwang(liuyuwang@sia.cn)
2018
Source PublicationAPPLIED BIONICS AND BIOMECHANICS
ISSN1176-2322
Pages14
AbstractWe propose a new highly reliable and lightweight embedded optical torque sensor for biomimetic robot arm enabling the torque measurement in joints, which can measure torque of the joint by detecting torsion of its elastic element (mechanical structure or flexure element). Flexure spring is introduced as the elastic element of the torque sensor in this paper. Because of its curve modeling, flexure spring is not inclined to be broken contrast to crossbeam structure, which is commonly used in torque sensor. Thanks to this structure, we can build a torque sensor as an extremely compact and highly reliable size. Six types of flexure spring are proposed to be used as the elastic element of the torque sensor in this paper, which have the potential for the requirements of measurement range and multidimensional detection. The optical electronic, less influenced by electromagnetic interferences, is selected to measure the torsion displacement of the flexure spring. The proposed design is analyzed, which can obtain the successful measurement of the torque with a load capacity of 1 Nm. One of the designed optical torque sensors is optimized by FEM. The calibration and experiment are conducted to ensure its feasibility and performance.
Funding OrganizationNational Natural Science Foundation of China ; Foundation of State Key Laboratory of Robotics ; Innovation Foundation for National Defense Science and Technology of Chinese Academy of Sciences
DOI10.1155/2018/4362749
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51605474] ; Foundation of State Key Laboratory of Robotics[2016-Z09] ; Innovation Foundation for National Defense Science and Technology of Chinese Academy of Sciences[CXJJ-17-M109]
WOS Research AreaEngineering ; Robotics
WOS SubjectEngineering, Biomedical ; Robotics
WOS IDWOS:000431268200001
PublisherHINDAWI LTD
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/127944
Collection中国科学院金属研究所
Corresponding AuthorLiu, Yuwang
Affiliation1.Chinese Acad Sci, Shenyang Inst Automat, State Key Lab Robot, Shenyang, Liaoning, Peoples R China
2.Shenyang Ligong Univ, Dept Mech Engn, Shenyang, Liaoning, Peoples R China
3.Northeastern Univ, Dept Mech Engn, Shenyang, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Liu, Yuwang,Tian, Tian,Chen, Jibiao,et al. A Highly Reliable Embedded Optical Torque Sensor Based on Flexure Spring[J]. APPLIED BIONICS AND BIOMECHANICS,2018:14.
APA Liu, Yuwang,Tian, Tian,Chen, Jibiao,Wang, Fuhua,&Zhang, Defu.(2018).A Highly Reliable Embedded Optical Torque Sensor Based on Flexure Spring.APPLIED BIONICS AND BIOMECHANICS,14.
MLA Liu, Yuwang,et al."A Highly Reliable Embedded Optical Torque Sensor Based on Flexure Spring".APPLIED BIONICS AND BIOMECHANICS (2018):14.
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