1. A Review of Research on the Mechanical Design of Hoverable Flapping Wing Micro-Air Vehicles

   • Shengjie Xiao
   • Kai Hu
   • Xilun Ding

   Review Article Open access 29 November 2021 Pages: 1235 - 1254

   

2. A Brief Review on Aerodynamic Performance of Wingtip Slots and Research Prospect

   • Dan Liu
   • Bifeng Song
   • Xinyu Lang

   Review Article Open access 08 December 2021 Pages: 1255 - 1279

   

3. Biomimetic Quadruped Robot with a Spinal Joint and Optimal Spinal Motion via Reinforcement Learning

   • Young Kook Kim
   • Woojin Seol
   • Jihyuk Park

   Research Article 12 November 2021 Pages: 1280 - 1290

   

4. Development of a Bird-like Flapping-wing Aerial Vehicle with Autonomous Take-off and Landing Capabilities

   • Dongfu Ma
   • Bifeng Song
   • Dong Xue

   Research Article 29 November 2021 Pages: 1291 - 1303

   

5. Design and Experiment of a Deformable Bird-inspired UAV Perching Mechanism

   • Long Bai
   • Hao Wang
   • Yuanxi Sun

   Research Article Open access 11 November 2021 Pages: 1304 - 1316

   

6. Study on Decentralization of Spherical Amphibious Multi-robot Control System Based on Smart Contract and Blockchain

   • Shuxiang Guo
   • Sheng Cao
   • Jian Guo

   Research Paper 03 December 2021 Pages: 1317 - 1330

   

7. Quantitative Progress Evaluation of Post-stroke Patients Using a Novel Bimanual Cable-driven Robot

   • Thiago Alves
   • Rogério Sales Gonçalves
   • Giuseppe Carbone

   Research Article 01 December 2021 Pages: 1331 - 1343

   

8. Conceptual Method of Temperature Sensation in Bionic Hand by Extraordinary Perceptual Phenomenon

   • Saeed Bahrami Moqadam
   • Ahamd Saleh Asheghabadi
   • Jing Xu

   Research Article 29 November 2021 Pages: 1344 - 1357

   

9. Design, Characterization and Optimization of Multi-directional Bending Pneumatic Artificial Muscles

   • Wei Xiao
   • Dean Hu
   • Xu Han

   Research Paper 12 November 2021 Pages: 1358 - 1368

   

10. Application of Novel Design Bone Grafting for Treatment of Segmental Acetabular Rim Defects During Revision Total Hip Arthroplasty

    • Xin Zhao
    • Haowen Xue
    • Jincheng Wang

    Research Article 11 November 2021 Pages: 1369 - 1377

    

11. Electrospun Scaffold of Collagen and Polycaprolactone Containing ZnO Quantum Dots for Skin Wound Regeneration

    • Pengfei Li
    • Liming Ruan
    • Xiaoyan Liu

    Research Article 22 November 2021 Pages: 1378 - 1390

    

12. Modification of the Micro Arc-oxidized Ti Surface for Implant Applications

    • Eren Yılmaz

    Research Article 15 November 2021 Pages: 1391 - 1399

    

13. Silk Fibroin and κ-Carrageenan Composite Films Containing Zinc-doped Bioactive Glass for Wound Closure

    • Ruofan Wang
    • Liming Ruan
    • Guohua Jiang

    Research Article 18 November 2021 Pages: 1400 - 1412

    

14. Critical Role of Silicon in Directing the Bio-inspired Mineralization of Gelatin in the Presence of Hydroxyapatite

    • Ruijuan Yao
    • Yao Wang
    • Fang Wu

    Research Article 18 November 2021 Pages: 1413 - 1429

    

15. Flexural and Dynamic Mechanical Properties of Alkali-Treated Coir/Pineapple Leaf Fibres Reinforced Polylactic Acid Hybrid Biocomposites

    • Ramengmawii Siakeng
    • Mohammad Jawaid
    • Suchart Siengchin

    Research Article 22 November 2021 Pages: 1430 - 1438

    

16. Brain-like Intelligent Decision-making Based on Basal Ganglia and Its Application in Automatic Car-following

    • Tianjun Sun
    • Zhenhai Gao
    • Kehan Zhao

    Research Article 18 November 2021 Pages: 1439 - 1451

    

17. An Improved Pigeon-Inspired Optimization for Multi-focus Noisy Image Fusion

    • Yingda Lyu
    • Yunqi Zhang
    • Haipeng Chen

    Research Article 12 November 2021 Pages: 1452 - 1462

    

18. An Efficient Gait-generating Method for Electrical Quadruped Robot Based on Humanoid Power Planning Approach

    • Lelai Zhou
    • Tianfa Li
    • Yibin Li

    Research Paper 30 October 2021 Pages: 1463 - 1474