1. KeJia: towards an autonomous service robot with tolerance of unexpected environmental changes

   • Wei Shuai
   • Xiao-ping Chen

   OriginalPaper 19 April 2019 Pages: 307 - 317

2. Development of a novel autonomous lower extremity exoskeleton robot for walking assistance

   • Yong He
   • Nan Li
   • Xin-yu Wu

   OriginalPaper 19 April 2019 Pages: 318 - 329

3. Multi-AUV SOM task allocation algorithm considering initial orientation and ocean current environment

   • Da-qi Zhu
   • Yun Qu
   • Simon X. Yang

   OriginalPaper 19 April 2019 Pages: 330 - 341

4. Recognition of walking environments and gait period by surface electromyography

   • Seulki Kyeong
   • Wonseok Shin
   • Jung Kim

   OriginalPaper 19 April 2019 Pages: 342 - 352

5. A new hierarchical software architecture towards safety-critical aspects of a drone system

   • Xiao-rui Zhu
   • Chen Liang
   • Hao Chen

   OriginalPaper 19 April 2019 Pages: 353 - 362

6. Task planning in robotics: an empirical comparison of PDDL- and ASP-based systems

   • Yu-qian Jiang
   • Shi-qi Zhang
   • Peter Stone

   OriginalPaper 19 April 2019 Pages: 363 - 373

7. Attention shifting during child—robot interaction: a preliminary clinical study for children with autism spectrum disorder

   • Guo-bin Wan
   • Fu-hao Deng
   • Jia-ming Zhang

   OriginalPaper 19 April 2019 Pages: 374 - 387

8. FAAD: an unsupervised fast and accurate anomaly detection method for a multi-dimensional sequence over data stream

   • Bin Li
   • Yi-jie Wang
   • Xing-kong Ma

   OriginalPaper 19 April 2019 Pages: 388 - 404

9. A novel method based on convolutional neural networks for deriving standard 12-lead ECG from serial 3-lead ECG

   • Lu-di Wang
   • Wei Zhou
   • Xiao-guang Zhou

   OriginalPaper 19 April 2019 Pages: 405 - 413

10. Design of a PCB stator coreless axial flux permanent magnet synchronous motor based on a novel topology Halbach array

    • Xiao-yuan Wang
    • Xiang Li
    • Le-tao Ling

    OriginalPaper 19 April 2019 Pages: 414 - 424

11. Optimized deployment of a radar network based on an improved firefly algorithm

    • Xue-jun Zhang
    • Wei Jia
    • Yan-bo Zhu

    OriginalPaper 19 April 2019 Pages: 425 - 437

12. Erratum to: Past review, current progress, and challenges ahead on the cocktail party problem

    • Yan-min Qian
    • Chao Weng
    • Dong Yu

    Erratum 19 April 2019 Pages: 438 - 438