Results 131 to 140 of about 23,597,316 (348)

Learning Highly Dynamic Skills Transition for Quadruped Jumping Through Constrained Space

Advanced Robotics Research, EarlyView.
A quadruped robot masters dynamic jumps through constrained spaces with animal‐inspired moves and intelligent vision control. This hierarchical learning approach combines imitation of biological agility with real‐time trajectory planning. Although legged animals are capable of performing explosive motions while traversing confined spaces, replicating ...
Zeren Luo, Jiahui Zhang, Yimin Han, Ji Ma, Minghao Lu, Ioannis Havoutis, Peng Lu   +6 more
wiley   +1 more source

Kinematic tolerance analysis

Computer-Aided Design, 1995
We present a general method for worst-case limit kinematic tolerance analysis: computing the range of variation in the kinematic function of a mechanism from its part tolerance specifications. The method covers fixed and multiple contact mechanisms with parametric or geometric part tolerances.
Joskowicz, Leo, Sacks, Elisha, Srinivasan, Vijay   +2 more
openaire   +2 more sources

Formal Kinematic Analysis of a General 6R Manipulator Using the Screw Theory

, 2015
Kinematic analysis is a significant method when planning the trajectory of robotic manipulators. The main idea behind kinematic analysis is to study the motion of the robot based on the geometrical relationship of the robotic links and their joints, such
Aixuan Wu, Zhiping Shi, Yongdong Li, Minhua Wu, Yong Guan, Jie Zhang, Hongxing Wei   +6 more
semanticscholar   +1 more source

Multiobjective Codesign Optimization of a Planar Pneumatic Artificial Muscle‐Based Snake‐Like Robot for Enhanced Agility and Energy Efficiency

Advanced Robotics Research, EarlyView.
A codesign multiobjective optimization framework was developed to enhance the morphology and controller of a snake‐like robot driven by artificial muscles. It improved planar locomotion, agility, and power efficiency. The approach optimized link geometry and controller gains, revealing that shorter muscles near joints and longer linkages maximize ...
Ayla Valles, Mahdi Haghshenas‐Jaryani
wiley   +1 more source

"Distance mapping" and the 3-D structure of BB +30 3639

, 2012
BD +30 3639 is a member of a group of uncommon planetary nebula with Wolf-Rayet central star and higher expansion velocities in [O III] than in [N II] lines.
Arnaud, Bachiller, Bachiller, Balick, Bryce, Bryce, Bryce, Cahn, Daub, García-Segura, García-Segura, García-Segura, Gesicki, Gesicki, Grosdidier, Guerrero, Guzmám, Hajian, Harrington, Kastner, Kawamura, Latter, Lau, Leuenhagen, Li, Maness, Masson, Matsumoto, Medina, Mellema, Miszalski, Neiner, Parker, Parker, Perinotto, Phillips, Phillips, Phillips, S. Akras, Sabbadin, Schönberner, Shupe, Sokoloski, Steffen, Steffen, Steffen, Steffen, Steffen, Turatto, van de Steene, W. Steffen, Wilson, Yu, Zhang, Zijlstra   +54 more
core   +1 more source

Stable Imitation of Multigait and Bipedal Motions for Quadrupedal Robots Over Uneven Terrains

Advanced Robotics Research, EarlyView.
How are quadrupedal robots empowered to execute complex navigation tasks, including multigait and bipedal motions? Challenges in stability and real‐world adaptation persist, especially with uneven terrains and disturbances. This article presents an imitation learning framework that enhances adaptability and robustness by incorporating long short‐term ...
Erdong Xiao, Yinzhao Dong, Ji Ma, Peng Lu   +3 more
wiley   +1 more source

Spiral bevel and circular arc helical gears: Tooth contact analysis and the effect of misalignment on circular arc helical gears [PDF]

A computer aided method for tooth contact analysis was developed and applied. Optimal machine-tool settings for spiral bevel gears are proposed and when applied indicated that kinematic errors can be minimized while maintaining a desirable bearing ...
Coy, J. J., Handschuh, R. F., Litvin, F. L., Tsay, C. B., Tsung, W. T.   +4 more
core   +1 more source

Do we understand the single-spin asymmetry for $pi^0$ inclusive production in pp collisions?

, 2004
The cross section data for $\pi^0$ inclusive production in $pp$ collisions is considered in a rather broad kinematic region in energy $\sqrt{s}$, Feynman variable $x_F$ and transverse momentum $p_T$. The analysis of these data is done in the perturbative
13, 327, 442, 45, 73, 91, Binnewies, Bourrely, Bourrely, C. Bourrely, Collaboration, Collaboration, Collaboration, Collaboration, Collaboration, Collins, Efremov, J. Soffer, Kanazawa, Kniehl, Koike, Qui, Sivers, Soffer, Soffer   +24 more
core   +2 more sources

Information Transmission Strategies for Self‐Organized Robotic Aggregation

Advanced Robotics Research, EarlyView.
In this review, we discuss how information transmission influences the neighbor‐based self‐organized aggregation of swarm robots. We focus specifically on local interactions regarding information transfer and categorize previous studies based on the functions of the information exchanged.
Shu Leng, Zihan Li, Yifeng Shao, Jinhao Liu, Li Yu, Shuguang Li   +5 more
wiley   +1 more source

Kinematic analysis, methods and experimental studies of robot navigator movements on mecanum wheels

Научно-технический вестник Брянского государственного университета
Machine learning and artificial intelligence, capable of making decisions on their own, have become indispensable tools for optimizing warehouse operations.
Sladkova L.A., Pshibiev A.M.
doaj   +1 more source