Results 11 to 20 of about 142,389 (277)

Improving path planning for mobile robots in complex orchard environments: the continuous bidirectional Quick-RRT* algorithm

Frontiers in Plant Science
Efficient obstacle-avoidance path planning is critical for orchards with numerous irregular obstacles. This paper presents a continuous bidirectional Quick-RRT* (CBQ-RRT*) algorithm based on the bidirectional RRT (Bi-RRT) and Quick-RRT* algorithms and ...
Lei Ye, Jin Li, Pu Li
doaj   +2 more sources

Informed RRT*-Connect: An Asymptotically Optimal Single-Query Path Planning Method

IEEE Access, 2020
Rapidly-exploring Random Trees (RRTs) are successful in single-query motion planning problems. The standard version of RRT grows a tree from a start location and stops once it reached the goal configuration.
Reza Mashayekhi, Mohd Yamani Idna Idris, Mohammad Hossein Anisi, Ismail Ahmedy, Ihsan Ali   +4 more
doaj   +2 more sources

RJ-RRT: Improved RRT for Path Planning in Narrow Passages

Applied Sciences, 2022
As a representative of sampling-based planning algorithms, rapidly exploring random tree (RRT), is extensively welcomed in solving robot path planning problems due to its wide application range and easy addition of nonholonomic constraints. However, it is still challenging for RRT to plan the path for configuration space with narrow passages.
Qisen Chai, Yujun Wang
openaire   +3 more sources

Bi-AM-RRT*: A Fast and Efficient Sampling-Based Motion Planning Algorithm in Dynamic Environments [PDF]

IEEE Transactions on Intelligent Vehicles, 2023
The efficiency of sampling-based motion planning brings wide application in autonomous mobile robots. The conventional rapidly exploring random tree (RRT) algorithm and its variants have gained significant successes, but there are still challenges for ...
Ying Zhang, Heyong Wang, Maoliang Yin, Jiankun Wang, C. Hua   +4 more
semanticscholar   +1 more source

Improved Bidirectional RRT* Algorithm for Robot Path Planning

Italian National Conference on Sensors, 2023
In order to address the shortcomings of the traditional bidirectional RRT* algorithm, such as its high degree of randomness, low search efficiency, and the many inflection points in the planned path, we institute improvements in the following directions.
Peng Xin, Xiaomin Wang, Xiaoli Liu, Yanhui Wang, Zhibo Zhai, Xiqin Ma   +5 more
semanticscholar   +1 more source

UAV Trajectory Planning for Complex Open Storage Environments Based on an Improved RRT Algorithm

IEEE Access, 2023
Multi-rotor UAVs (Unmanned Aerial Vehicles) have been increasingly used for hazardous inspection tasks in complex open-air warehouse storage environments due to their high maneuverability and aerial perspective.
Jingcheng Zhang, Yuqiang An, Jianing Cao, Shibo Ouyang, Lei Wang   +4 more
semanticscholar   +1 more source

Diagnostic and prognostic performance of urinary neutrophil gelatinase‐associated lipocalin in patients with cirrhosis and acute kidney injury

Hepatology, EarlyView., 2022
Diagnostic and prognostic ability of urinary NGAL in patients with cirrhosis and AKI. Abstract Background and Aims Acute kidney injury (AKI) commonly occurs in patients with decompensated cirrhosis. Urinary neutrophil gelatinase–associated lipocalin (uNGAL) could help discriminate between different etiologies of AKI.
Carmine Gambino, Salvatore Piano, Matteo Stenico, Marta Tonon, Alessandra Brocca, Valeria Calvino, Simone Incicco, Nicola Zeni, Roberta Gagliardi, Chiara Cosma, Martina Zaninotto, Patrizia Burra, Umberto Cillo, Daniela Basso, Paolo Angeli   +14 more
wiley   +1 more source

Factors associated with cardiovascular events after simultaneous liver–kidney transplant from the US Multicenter Simultaneous Liver–Kidney Transplant Consortium

Hepatology Communications, EarlyView., 2022
Abstract Cardiovascular disease is a leading complication after both liver and kidney transplantation. Factors associated with and rates of cardiovascular events (CVEs) after simultaneous liver–kidney transplant (SLKT) are unknown. This was a retrospective cohort study of adult SLKT recipients between 2002 and 2017 at six centers in six United Network ...
Jennifer Jo, Gonzalo Crespo, Dyanna Gregory, Jasmine Sinha, Jiaheng Xie, Min Zhang, John Magee, Pranab Barman, Yuval A. Patel, Aaron Schluger, Kara Walters, Scott Biggins, Natalia Filipek, Giuseppe Cullaro, Randi Wong, Jennifer C. Lai, Gabriel J. Perreault, Elizabeth C. Verna, Pratima Sharma, Lisa B. VanWagner   +19 more
wiley   +1 more source

ST-RRT*: Asymptotically-Optimal Bidirectional Motion Planning through Space-Time [PDF]

IEEE International Conference on Robotics and Automation, 2022
We present a motion planner for planning through space-time with dynamic obstacles, velocity constraints, and unknown arrival time. Our algorithm, Space-Time RRT*(ST-RRT*), is a probabilistically complete, bidirectional motion planning algorithm, which ...
Francesco Grothe, Valentin N. Hartmann, A. Orthey, Marc Toussaint   +3 more
semanticscholar   +1 more source

Path Planning of a Mobile Robot Based on the Improved RRT Algorithm

Applied Sciences, 2023
RRT (rapidly exploring random tree) is a sampling-based planning algorithm that has been widely used due to its simple structure and fast speed. However, the RRT algorithm has several issues such as low planning efficiency, high randomness, and poor path
Xiangjie Li, Yala Tong
semanticscholar   +1 more source