Chaotic Grey Wolf Optimizer Steers Robot Boats and Underwater Vehicles Through Disturbances
A new simulation study shows that a disturbance-observer-based adaptive neuro-fuzzy sliding mode controller tuned by a chaotic grey wolf optimizer ...
Tag: obstacle avoidance
Simulated Robot Navigates Obstacles but Reveals the Cost of Purely Reactive Control
A simulation study found that a PID-and-reactive navigation scheme kept a mobile robot collision-free but slowed it to 0.17 m/s ...
Learning-guided path planner speeds recovery when maps change for autonomous vehicles
A modular path-planning framework called LKSD-PRRT* achieved a 100% static planning success rate and cut dynamic recovery time by 77.25% ...
Hybrid roadmap and bidirectional search trims robot path planning times
A hybrid of probabilistic roadmaps and bidirectional A* search produced shorter paths and faster planning times than Dijkstra-based and conventional ...
Simulated Robot Navigates Cluttered Space with Theta* Planning and LIDAR Mapping
A MATLAB simulation combining Theta* planning, potential field avoidance, Pure Pursuit tracking and LIDAR mapping reached the goal in nine ...
RISMO Steers Drone-Ground Robot Swarms Through Unknown Terrain in Simulation
Researchers report a simulation-only control framework, RISMO, that coordinates UAV-UGV swarms through unknown non-convex environments using a Fisher-information-shaped Riemannian metric, ...
Computational model shows how the brain dodges obstacles while reaching for goals
Researchers have built a computational model based on stochastic optimal control that reproduces how human movements bend around obstacles while ...
Reinforcement learning upgrade helps robots stay steady in chaotic environments
An enhanced asynchronous actor-critic framework trained in simulation and on a physical mobile robot showed faster convergence, higher throughput, and ...
FA-PPO Method Helps Drones Dodge Obstacles in Cluttered Skies
A new reinforcement learning method called FA-PPO was the only tested algorithm to complete simulated UAV obstacle-avoidance tasks across three ...
Sliding Mode Control Teaches Omnidirectional Robots to Dodge Obstacles
Researchers combined artificial potential field trajectory planning with a discrete integral terminal sliding mode controller to let a Mecanum-wheeled omnidirectional ...
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Mothers who receive childcare support from maternal grandparents show more parental warmth, finds NTU Singapore study
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University of Seville Breaks 120-Year-Old Mystery, Revises a Key Einstein Concept
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Bee body mass, pathogens and local climate influence heat tolerance
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Researchers record first-ever images and data of a shark experiencing a boat strike
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Groundbreaking Clinical Trial Reveals Lubiprostone Enhances Kidney Function
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