Results 81 to 90 of about 486,149 (332)
Lagrangian circle actions [PDF]
corrected some typos and some degree ...
openaire +3 more sources
Legged robots have advanced in environmental interaction through contact, but most works rely on fixed contact sequences. This work presents a new method based on an indirect optimization method for legged robots to automatically generate contact sequences for complex movements.
Yaowei Chen, Jie Zhang, Ming Lyu
wiley +1 more source
This study was carried out in Manokwari District to the determinants of the amount of beef which is needed by beef farmer household in order to get maximum profit. Data was collected from 89 farmer household.
Trisiwi Wahyu Widayati
doaj
Planning and Control Framework for a Quadruped Robot With Changeable Configuration
Multiconfiguration quadruped robots enhance adaptability by switching between mammal‐like and reptile‐like morphologies. This study presents a nonlinear constraint‐based motion planner integrated with a hierarchical whole‐body controller, enabling robust configuration switching and locomotion on complex terrains. Experiments on slopes, irregular bricks,
Guanglin Lu +5 more
wiley +1 more source
Given the anomalous magnetic moments of electrons and positrons in the one-loop approximation, we calculate the exact Lagrangian of an intense constant magnetic field that replaces the Heisenberg-Euler Lagrangian in traditional quantum electrodynamics ...
A. B. Migdal +21 more
core +2 more sources
Contact Force Estimation of Continuum Robots without Embedded Sensors: A Review
This review surveys methods for estimating contact forces in continuum robots without embedded sensors. It explains why contact force matters, classifies force patterns, and groups existing methods into three approaches based on actuation, deformation, and environment information.
An Hu, Yu Sun
wiley +1 more source
Topology Optimization for a Rigid‐Compliant Hybrid Constant Force Gripper
Constant‐force grippers deliver near‐constant output without sensors, cutting cost and complexity. This study proposes a topology‐optimization framework jointly designing rigid links and material distribution, modeled via link‐state and element‐density variables with constant force as the objective.
Shuhao Xia +5 more
wiley +1 more source
Continuous spin gauge field in (A)dS space
Totally symmetric continuous spin field propagating in (A)dS is studied. Lagrangian gauge invariant formulation for such field is developed. Lagrangian of continuous spin field is constructed in terms of double traceless tensor fields, while gauge ...
R.R. Metsaev
doaj +1 more source
Lagrangian versus quantization [PDF]
8 pages, no figures; small corrections, references ...
openaire +2 more sources
ABSTRACT In the pulverized coal boiler industry, reducing NOx emissions has become a critical objective. Although low‐NOx combustion technologies are effective, they may lead to localized high‐temperature corrosion. To address this issue, near‐wall air supply technology has been introduced, which involves injecting an appropriate amount of air near the
Wangyongjia Zhong +4 more
wiley +1 more source

