1. Volume 103 Issue 4, December 2021

   • Kimon P. Valavanis

   Editorial 30 November 2021 Article: 75

2. Embedded Fast Nonlinear Model Predictive Control for Micro Aerial Vehicles

   • Tiago Nascimento
   • Martin Saska

   Regular paper 30 November 2021 Article: 74

3. Control System Architecture for Automatic Recovery of Fixed-Wing Unmanned Aerial Vehicles in a Moving Arrest System

   • Kristoffer Gryte
   • Martin L. Sollie
   • Tor Arne Johansen

   Short paper Open access 29 November 2021 Article: 73

4. Gaussian Processes in Polar Coordinates for Mobile Robot Using SE(2)-3D Constraints

   • Wei Chen
   • Jian Sun
   • Qiang Zheng

   Regular paper 26 November 2021 Article: 72

5. A Guidance System for Tactical Autonomous Unmanned Aerial Vehicles

   • Julius A. Marshall
   • Robert B. Anderson
   • Andrea L’Afflitto

   Regular paper 25 November 2021 Article: 71

6. Leg Centroidal Dynamics Based New Locomotion Principle of a Quadruped Robot with On-line Legged Motion Generation

   • Wenqian Du
   • Mohamed Fnadi
   • Faïz Benamar

   Regular paper 24 November 2021 Article: 70

7. Defining the Tradespace for Passively Defending Against Rogue Drones

   • Mary L. Cummings
   • Hala Nassar
   • Vishwa Alaparthy

   Regular paper Open access 20 November 2021 Article: 69

8. Falling Prediction based on Machine Learning for Biped Robots

   • Tong Wu
   • Zhangguo Yu
   • Qiang Huang

   Regular paper 18 November 2021 Article: 68

9. A Marker-Free 2D Image-Guided Method for Robot-Assisted Fracture Reduction Surgery

   • Shijie Zhu
   • Zhe Zhao
   • Gangtie Zheng

   Regular Paper 16 November 2021 Article: 67

10. Optimum Dynamic Design of a Stewart Platform with Symmetric Weight Compensation System

    • Morteza Shariatee
    • Alireza Akbarzadeh

    Regular paper 15 November 2021 Article: 66

11. A Framework for Multi-UAV Persistent Search and Retrieval with Stochastic Target Appearance in a Continuous Space

    • Ryan Day
    • John Salmon

    Short Paper 13 November 2021 Article: 65

12. A CNN-Based Grasp Planning Method for Random Picking of Unknown Objects with a Vacuum Gripper

    • Hui Zhang
    • Jef Peeters
    • Karel Kellens

    Regular paper 12 November 2021 Article: 64

13. Modelling Robust Delivery Scenarios for a Fleet of Unmanned Aerial Vehicles in Disaster Relief Missions

    • G. Radzki
    • P. Golinska-Dawson
    • Z. Banaszak

    Regular paper Open access 10 November 2021 Article: 63

14. Quadrotor Path Following and Reactive Obstacle Avoidance with Deep Reinforcement Learning

    • Bartomeu Rubí
    • Bernardo Morcego
    • Ramon Pérez

    Short Paper Open access 10 November 2021 Article: 62

15. LiDAR-based Structure Tracking for Agricultural Robots: Application to Autonomous Navigation in Vineyards

    • Hassan Nehme
    • Clément Aubry
    • Rémi Boutteau

    Short paper 10 November 2021 Article: 61

16. Multi-Objective Optimization of a Maneuvering Small Aircraft Turbine Engine Rotor System

    • K Joseph Shibu
    • K Shankar
    • Girish K Degaonkar

    Short paper 09 November 2021 Article: 60

17. MP-RRT^#: a Model Predictive Sampling-based Motion Planning Algorithm for Unmanned Aircraft Systems

    • Stefano Primatesta
    • Abdalla Osman
    • Alessandro Rizzo

    Regular paper Open access 09 November 2021 Article: 59

18. Dynamic Bipedal Walking Using Real-Time Optimization of Center of Mass Motion and Capture Point-Based Stability Controller

    • Si-Hyun Kim
    • Young-Dae Hong

    Regular paper 06 November 2021 Article: 58