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customized design for Ergonomic Products via Additive Manufacturing Considering Joint Biomechanics

Chinese Journal of Mechanical Engineering(Additive Manufacturing Frontiers) 2023年第3期2卷 84-94页

作者： Jinghua Xu Zhengxin Tu Shuyou Zhang Jianrong Tan Guanyun Wang State Key Laboratory of Fluid Power and Mechatronic Systems Zhejiang UniversityHangzhou310058China Zhejiang Key Lab of Advanced Manufacturing Technology Zhejiang UniversityHangzhou310058China Zhejiang-Singapore Innovation and AI Joint Research Lab Zhejiang UniversityHangzhou310058China Institute of design Engineering Zhejiang UniversityHangzhou310058China

This paper presents a customized design method for ergonomic products via additive manufacturing(AM)con-sidering joint *** ergonomic customized design model can be built based on kinesiology involving human joint *** of the human bone can be reconstructed from X-rays,computed tomog-raphy(CT),magnetic resonance imaging(MRI),and direct 3D *** conceptual and detailed design of customized products were implemented on ergonomic shoes and insoles.A lightweight lattice structure with vari-able porosity was generated via structural topology optimization for an ergonomic customized ***,the upper surface of the custom-made insole may adhere perfectly to the plantar surface of the patient,resulting in a lower peak plantar *** element analysis(FEA)can be employed to simulate the static or dynamic biomechanical *** conceptual ergonomic products were forwarded to the machine and fabricated via AM,driven by visual digital twin *** experiments proved that a customized design suitability method for wearable ergonomic products via 3D printing is specifically tailored to the rehabilitation needs of individual customers,while consuming the least cost,time,and materials.

关键词： customized design Wearable ergonomic products Additive manufacturing(AM) Human joint biomechanics Structural topology optimization

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customized design:from the Carbon Materials to the Start-stop System of Vehicles

Customized Design:from the Carbon Materials to the Start-sto...

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2018中国汽车工程学会年会

作者： CHEN Shuli RONG Changru HAN Jinlei HAN Yutao MI Xinyan ZHANG Kejin NI Zishan China FAW Group Co.Ltd

Ultracapacitors have been used in vehicles due to their advantageous features such as high specific power,long cycle life,and wide working temperature *** this paper,based on the performance requirements of the prototype vehicle,a customized design and development from the carbon materials to the start-stop system is completed,where the combined action of the ultracapacitor and the vehicle showed improved performance.

关键词： ultracapacitors start-stop system vehicles customized design

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customized High-speed EMU design Practice for Jakarta-Bandung HSR

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Chinese Railways 2024年第1期 52-61页

作者： TAO Guidong ZHANG Fangtao ZHENG Mingda(Translated) Technical Center CRRC Qingdao Sifang Co.Ltd. 不详

The high-speed EMUs for Jakarta-Bandung high-speed railway(HSR)represent an important image and symbol of the Jakarta-Bandung HSR *** relying on the technical platform of the model CR400 EMU,the EMU is upgraded for the customized design in terms of adaptability to geographical environment and track conditions,integration of Indonesian cultural characteristics,*** the course of development,in order to accurately grasp the boundary conditions and solve matching adaptation problems,studies are conducted on the exploration of design boundary and the related special *** the systematic analysis and design experience summary of the high-speed EMUs for Jakarta-Bandung HSR,the paper aims to provide reference for the O&M of high-speed EMUs for Jakarta-Bandung HSR and the other similar overseas HSR projects.

关键词： Jakarta-Bandung HSR EMU natural environment track conditions humanistic demand customized design

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customized bioceramic scaffolds and metal meshes for challenging large-size mandibular bone defect regeneration and repair

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Regenerative Biomaterials 2023年第1期10卷 1178-1191页

作者： Bin Zhang Xiaohong Yin Feng Zhang Yirong Hong Yuesheng Qiu Xianyan Yang Yifan Li Cheng Zhong Huayong Yang Zhongru Gou State Key Laboratory of Fluid Power&Mechatronic Systems Zhejiang UniversityHangzhou 310058China School of Mechanical Engineering Zhejiang UniversityHangzhou 310058China Department of Stomatology Children’s HospitalZhejiang University School of MedicineHangzhou 310003China Bio-Nanomaterials and Regenerative Medicine Research Division Zhejiang-California International Nanosystem InstituteZhejiang UniversityHangzhou 310058China Department of Orthopedics The First Affiliated HospitalZhejiang University School of MedicineHangzhou 310003China

Large-size mandible graft has huge needs in clinic caused by infection,tumor,congenital deformity,bone trauma and so ***,the reconstruction of large-size mandible defect is challenged due to its complex anatomical structure and large-range bone *** design and fabrication of porous implants with large segments and specific shapes matching the native mandible remain a considerable ***,the 6%Mg-doped calcium silicate(CSi-Mg6)andβ-andα-tricalcium phosphate(β-TCP,α-TCP)bioceramics were fabricated by digital light processing as the porous scaffolds of over 50%in porosity,while the titanium mesh was fabricated by selective laser *** mechanical tests showed that the initial flexible/compressive resistance of CSi-Mg6 scaffolds was markedly higher than that ofβ-TCP andα-TCP *** experiments showed that these materials all had good biocompatibility,while CSi-Mg6 significantly promoted cell *** the rabbit critically sized mandible bone defects(∼13 mm in length)filled with porous bioceramic scaffolds,the titanium meshes and titanium nails were acted as fixation and load *** results showed that the defects were kept during the observation period in the blank(control)group;in contrast,the osteogenic capability was significantly enhanced in the CSi-Mg6 andα-TCP groups in comparison with theβ-TCP group,and these two groups not only had significantly increased new bone formation but also had thicker trabecular and smaller trabecular ***,the CSi-Mg6 andα-TCP groups showed appreciable material biodegradation in the later stage(from 8 to 12 weeks)in comparison with theβ-TCP scaffolds while the CSi-Mg6 group showed much outstanding mechanical capacity in vivo in the early stage compared to theβ-TCP andα-TCP ***,these findings suggest that the combination of customized strength-strong bioactive CSi-Mg6 scaffolds together with titanium meshes is a promising way for repairing the large-size load-bearing

关键词： customized design bioceramic scaffolds titanium meshes mandibular bone reconstruction additive manufacturing

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