This article presents the system architecture and the orbital demonstration results of the Int-Ball2, a free-flying camera robot developed by the Japan Aerospace Exploration Agency (JAXA). The purpose of the Int-Ball2 project is to assist astronauts and reduce their workload in the International Space Station (ISS). This robot is an upgrade from the first Int-Ball, enhancing … [Read more...] about Int-Ball2: On-Orbit Demonstration of Autonomous Intravehicular Flight and Docking for Image Capturing and Recharging
Torque
Reinforcement Learning for High-Speed Quadrupedal Locomotion With Motor Operating Region Constraints: Mitigating Motor Model Discrepancies through Torque Clipping in Realistic Motor Operating Region
This article presents a method for achieving high-speed running of a quadruped robot by considering the actuator torque–speed operating region in reinforcement learning. The physical properties and constraints of the actuator are included in the training process to reduce state transitions that are infeasible in the real world due to motor torque–speed limitations. The gait … [Read more...] about Reinforcement Learning for High-Speed Quadrupedal Locomotion With Motor Operating Region Constraints: Mitigating Motor Model Discrepancies through Torque Clipping in Realistic Motor Operating Region
Survey of Simulators for Aerial Robots: An Overview and In-Depth Systematic Comparisons [Survey]
Uncrewed Aerial Vehicle (UAV) research faces challenges with safety, scalability, costs, and ecological impact when conducting hardware testing. High-fidelity simulators offer a vital solution by replicating real-world conditions to enable the development and evaluation of novel perception and control algorithms. However, the large number of available simulators poses a … [Read more...] about Survey of Simulators for Aerial Robots: An Overview and In-Depth Systematic Comparisons [Survey]
Variable Transmission Mechanisms for Robotic Applications: A Review [Survey]
Actuators play a crucial role in robotics, determining the force and speed capabilities necessary for varied tasks, directly affecting the performance of the robotic system. With the growing reliance on robotics in both industrial applications and daily life, innovative actuator research has expanded significantly. Despite advances, traditional actuators encounter limitations … [Read more...] about Variable Transmission Mechanisms for Robotic Applications: A Review [Survey]
Design and Control of the Humanoid Robot COMAN+: Hardware Capabilities and Software Implementations
Despite the prevalence of robots operating within controlled environments, such as industries, recent advancements in both autonomy and human–robot interaction have expanded the potential for their use within a diverse range of scenarios. Research efforts in humanoid robotics aim to develop platforms possessing the requisite versatility and dexterity to mimic human motion. This … [Read more...] about Design and Control of the Humanoid Robot COMAN+: Hardware Capabilities and Software Implementations
