| 1 | -- | 0 | Kimon P. Valavanis. From the Editor-in-Chief |
| 3 | -- | 5 | Maciej Marcin Michalek, Andrea L'Afflitto, Takateru Urakubo. Special Issue on Motion Strategies for Underactuated Robotic Vehicles in the Presence of Constraints |
| 7 | -- | 25 | Pawel Ladosz, Hyondong Oh, Wen-Hua Chen. Trajectory Planning for Communication Relay Unmanned Aerial Vehicles in Urban Dynamic Environments |
| 27 | -- | 49 | Phuong D. H. Nguyen, Carmine Tommaso Recchiuto, Antonio Sgorbissa. Real-Time Path Generation and Obstacle Avoidance for Multirotors: A Novel Approach |
| 51 | -- | 67 | Andrea L'Afflitto, Wassim M. Haddad. Abnormal Optimal Trajectory Planning of Multi-Body Systems in the Presence of Holonomic and Nonholonomic Constraints |
| 69 | -- | 85 | Armando Alves Neto, Douglas Guimarães Macharet, Mario F. M. Campos. Multi-agent Rapidly-exploring Pseudo-random Tree |
| 87 | -- | 106 | David W. Casbeer, Eloy García, Meir Pachter. The Target Differential Game with Two Defenders |
| 107 | -- | 119 | Shulong Zhao, Xiangke Wang, Daibing Zhang, Lincheng Shen. Curved Path Following Control for Fixed-wing Unmanned Aerial Vehicles with Control Constraint |
| 121 | -- | 137 | Takateru Urakubo. Stability Analysis and Control of Nonholonomic Systems with Potential Fields |
| 139 | -- | 153 | Venanzio Cichella, Thiago Marinho, Dusan M. Stipanovic, Naira Hovakimyan, Isaac Kaminer, Anna Trujillo. Collision Avoidance Based on Line-of-Sight Angle - Guaranteed Safety Using Limited Information About the Obstacle |
| 155 | -- | 173 | Avinash Siravuru, Sasi Prabhakaran Viswanathan, Koushil Sreenath, Amit K. Sanyal. The Reaction Mass Biped: Geometric Mechanics and Control |
| 175 | -- | 189 | Saeedeh Ziaeefard, Brian R. Page, Anthony J. Pinar, Nina Mahmoudian. Effective Turning Motion Control of Internally Actuated Autonomous Underwater Vehicles |
| 191 | -- | 210 | Maciej Marcin Michalek, Tomasz Gawron. VFO Path following Control with Guarantees of Positionally Constrained Transients for Unicycle-Like Robots with Constrained Control Input |
| 211 | -- | 250 | Rigoberto Lopez-Padilla, Rafael Murrieta-Cid, Israel Becerra, Guillermo Laguna, Steven M. LaValle. Optimal Navigation for a Differential Drive Disc Robot: A Game Against the Polygonal Environment |
| 251 | -- | 263 | Sasi Prabhakaran Viswanathan, Amit K. Sanyal, Ehsan Samiei. Integrated Guidance and Feedback Control of Underactuated Robotics System in SE(3) |
| 265 | -- | 297 | Tomasz Gawron, Maciej Marcin Michalek. The VFO-Driven Motion Planning and Feedback Control in Polygonal Worlds for a Unicycle with Bounded Curvature of Motion |